[INFO] fetching crate sized-vec 0.3.0...
[INFO] building sized-vec-0.3.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate sized-vec 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate sized-vec 0.3.0
[INFO] finished tweaking crates.io crate sized-vec 0.3.0
[INFO] tweaked toml for crates.io crate sized-vec 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sized-vec 0.3.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.12.4 (available: v1.2.0)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] [stderr]       Adding proptest v0.9.6 (available: v1.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded proptest v0.9.6
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d69b6987d329a52837c0f809998846f237690acce661566de957e9bb4fe87b5
[INFO] running `Command { std: "docker" "start" "-a" "9d69b6987d329a52837c0f809998846f237690acce661566de957e9bb4fe87b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d69b6987d329a52837c0f809998846f237690acce661566de957e9bb4fe87b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d69b6987d329a52837c0f809998846f237690acce661566de957e9bb4fe87b5", kill_on_drop: false }`
[INFO] [stdout] 9d69b6987d329a52837c0f809998846f237690acce661566de957e9bb4fe87b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a5dcb86fa2c5773b0f3d99d29d818a23d0709f752e68e4cc4a7c6dec24a90f1
[INFO] running `Command { std: "docker" "start" "-a" "3a5dcb86fa2c5773b0f3d99d29d818a23d0709f752e68e4cc4a7c6dec24a90f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling sized-vec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:953:5
[INFO] [stdout]     |
[INFO] [stdout] 953 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:990:5
[INFO] [stdout]     |
[INFO] [stdout] 990 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1026:5
[INFO] [stdout]      |
[INFO] [stdout] 1026 |     #[must_use]
[INFO] [stdout]      |     ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1046 | declare_from_array!(0, U0);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1047 | declare_from_array!(1, U1);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1048 | declare_from_array!(2, U2);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1049 | declare_from_array!(3, U3);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1050 | declare_from_array!(4, U4);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1051 | declare_from_array!(5, U5);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1052 | declare_from_array!(6, U6);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1053 | declare_from_array!(7, U7);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1054 | declare_from_array!(8, U8);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1055 | declare_from_array!(9, U9);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1056 | declare_from_array!(10, U10);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1057 | declare_from_array!(11, U11);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1058 | declare_from_array!(12, U12);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1059 | declare_from_array!(13, U13);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1060 | declare_from_array!(14, U14);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1061 | declare_from_array!(15, U15);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1062 | declare_from_array!(16, U16);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1063 | declare_from_array!(17, U17);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1064 | declare_from_array!(18, U18);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1065 | declare_from_array!(19, U19);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1066 | declare_from_array!(20, U20);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1067 | declare_from_array!(21, U21);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1068 | declare_from_array!(22, U22);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1069 | declare_from_array!(23, U23);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1070 | declare_from_array!(24, U24);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1071 | declare_from_array!(25, U25);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1072 | declare_from_array!(26, U26);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1073 | declare_from_array!(27, U27);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1074 | declare_from_array!(28, U28);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1075 | declare_from_array!(29, U29);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1076 | declare_from_array!(30, U30);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1077 | declare_from_array!(31, U31);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:462:17
[INFO] [stdout]     |
[INFO] [stdout] 462 |     pub fn iter(&self) -> Iter<A> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 462 |     pub fn iter(&self) -> Iter<'_, A> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:469:21
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter_mut(&mut self) -> IterMut<A> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter_mut(&mut self) -> IterMut<'_, A> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "3a5dcb86fa2c5773b0f3d99d29d818a23d0709f752e68e4cc4a7c6dec24a90f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5dcb86fa2c5773b0f3d99d29d818a23d0709f752e68e4cc4a7c6dec24a90f1", kill_on_drop: false }`
[INFO] [stdout] 3a5dcb86fa2c5773b0f3d99d29d818a23d0709f752e68e4cc4a7c6dec24a90f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd78a381b547d0008e6a2c96fabe7337cc4f0dff667d36b9c836260a1f0f91e
[INFO] running `Command { std: "docker" "start" "-a" "ddd78a381b547d0008e6a2c96fabe7337cc4f0dff667d36b9c836260a1f0f91e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:953:5
[INFO] [stdout]     |
[INFO] [stdout] 953 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:990:5
[INFO] [stdout]     |
[INFO] [stdout] 990 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1026:5
[INFO] [stdout]      |
[INFO] [stdout] 1026 |     #[must_use]
[INFO] [stdout]      |     ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1046 | declare_from_array!(0, U0);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1047 | declare_from_array!(1, U1);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1048 | declare_from_array!(2, U2);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1049 | declare_from_array!(3, U3);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1050 | declare_from_array!(4, U4);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1051 | declare_from_array!(5, U5);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1052 | declare_from_array!(6, U6);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1053 | declare_from_array!(7, U7);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1054 | declare_from_array!(8, U8);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1055 | declare_from_array!(9, U9);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1056 | declare_from_array!(10, U10);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1057 | declare_from_array!(11, U11);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1058 | declare_from_array!(12, U12);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1059 | declare_from_array!(13, U13);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1060 | declare_from_array!(14, U14);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1061 | declare_from_array!(15, U15);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1062 | declare_from_array!(16, U16);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1063 | declare_from_array!(17, U17);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1064 | declare_from_array!(18, U18);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1065 | declare_from_array!(19, U19);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1066 | declare_from_array!(20, U20);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1067 | declare_from_array!(21, U21);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1068 | declare_from_array!(22, U22);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1069 | declare_from_array!(23, U23);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1070 | declare_from_array!(24, U24);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1071 | declare_from_array!(25, U25);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1072 | declare_from_array!(26, U26);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1073 | declare_from_array!(27, U27);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1074 | declare_from_array!(28, U28);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1075 | declare_from_array!(29, U29);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1076 | declare_from_array!(30, U30);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1077 | declare_from_array!(31, U31);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:462:17
[INFO] [stdout]     |
[INFO] [stdout] 462 |     pub fn iter(&self) -> Iter<A> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 462 |     pub fn iter(&self) -> Iter<'_, A> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:469:21
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter_mut(&mut self) -> IterMut<A> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter_mut(&mut self) -> IterMut<'_, A> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling sized-vec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:953:5
[INFO] [stdout]     |
[INFO] [stdout] 953 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/lib.rs:990:5
[INFO] [stdout]     |
[INFO] [stdout] 990 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1026:5
[INFO] [stdout]      |
[INFO] [stdout] 1026 |     #[must_use]
[INFO] [stdout]      |     ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1046 | declare_from_array!(0, U0);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1047 | declare_from_array!(1, U1);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1048 | declare_from_array!(2, U2);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1049 | declare_from_array!(3, U3);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1050 | declare_from_array!(4, U4);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1051 | declare_from_array!(5, U5);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1052 | declare_from_array!(6, U6);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1053 | declare_from_array!(7, U7);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1054 | declare_from_array!(8, U8);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1055 | declare_from_array!(9, U9);
[INFO] [stdout]      | -------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1056 | declare_from_array!(10, U10);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1057 | declare_from_array!(11, U11);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1058 | declare_from_array!(12, U12);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1059 | declare_from_array!(13, U13);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1060 | declare_from_array!(14, U14);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1061 | declare_from_array!(15, U15);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1062 | declare_from_array!(16, U16);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1063 | declare_from_array!(17, U17);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1064 | declare_from_array!(18, U18);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1065 | declare_from_array!(19, U19);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1066 | declare_from_array!(20, U20);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1067 | declare_from_array!(21, U21);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1068 | declare_from_array!(22, U22);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1069 | declare_from_array!(23, U23);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1070 | declare_from_array!(24, U24);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1071 | declare_from_array!(25, U25);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1072 | declare_from_array!(26, U26);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1073 | declare_from_array!(27, U27);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1074 | declare_from_array!(28, U28);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1075 | declare_from_array!(29, U29);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1076 | declare_from_array!(30, U30);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1035:13
[INFO] [stdout]      |
[INFO] [stdout] 1035 |             #[must_use]
[INFO] [stdout]      |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1077 | declare_from_array!(31, U31);
[INFO] [stdout]      | ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]      = note: this warning originates in the macro `declare_from_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]     --> src/lib.rs:1111:5
[INFO] [stdout]      |
[INFO] [stdout] 1111 |     #[must_use]
[INFO] [stdout]      |     ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:462:17
[INFO] [stdout]     |
[INFO] [stdout] 462 |     pub fn iter(&self) -> Iter<A> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 462 |     pub fn iter(&self) -> Iter<'_, A> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:469:21
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter_mut(&mut self) -> IterMut<A> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter_mut(&mut self) -> IterMut<'_, A> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.64s
[INFO] running `Command { std: "docker" "inspect" "ddd78a381b547d0008e6a2c96fabe7337cc4f0dff667d36b9c836260a1f0f91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd78a381b547d0008e6a2c96fabe7337cc4f0dff667d36b9c836260a1f0f91e", kill_on_drop: false }`
[INFO] [stdout] ddd78a381b547d0008e6a2c96fabe7337cc4f0dff667d36b9c836260a1f0f91e