[INFO] fetching crate nightly-quirks 0.1.5...
[INFO] testing nightly-quirks-0.1.5 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nightly-quirks 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nightly-quirks 0.1.5
[INFO] finished tweaking crates.io crate nightly-quirks 0.1.5
[INFO] tweaked toml for crates.io crate nightly-quirks 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nightly-quirks 0.1.5 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75d1a5aea86e62f501fc52c04eb1aedb5db510bb5a6428af241966d8c6ae7f3a
[INFO] running `Command { std: "docker" "start" "-a" "75d1a5aea86e62f501fc52c04eb1aedb5db510bb5a6428af241966d8c6ae7f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75d1a5aea86e62f501fc52c04eb1aedb5db510bb5a6428af241966d8c6ae7f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d1a5aea86e62f501fc52c04eb1aedb5db510bb5a6428af241966d8c6ae7f3a", kill_on_drop: false }`
[INFO] [stdout] 75d1a5aea86e62f501fc52c04eb1aedb5db510bb5a6428af241966d8c6ae7f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2a49cd09ad03c5bb7fc313702876d23081f4c1f8a2ee38f565a8a63465ef4b7
[INFO] running `Command { std: "docker" "start" "-a" "f2a49cd09ad03c5bb7fc313702876d23081f4c1f8a2ee38f565a8a63465ef4b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling nightly-quirks v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 24 |   int_roundings!(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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:36
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![cfg_attr(debug_assertions, deny(warnings))]
[INFO] [stdout]    |                                    ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` implied by `#[warn(warnings)]`
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 25 |   int_roundings!(i8);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 26 |   int_roundings!(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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 27 |   int_roundings!(i16);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 28 |   int_roundings!(u32);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 29 |   int_roundings!(i32);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 30 |   int_roundings!(u64);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 31 |   int_roundings!(i64);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 32 |   int_roundings!(u128);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 33 |   int_roundings!(i128);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "f2a49cd09ad03c5bb7fc313702876d23081f4c1f8a2ee38f565a8a63465ef4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a49cd09ad03c5bb7fc313702876d23081f4c1f8a2ee38f565a8a63465ef4b7", kill_on_drop: false }`
[INFO] [stdout] f2a49cd09ad03c5bb7fc313702876d23081f4c1f8a2ee38f565a8a63465ef4b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dacfeb39fd0185bbf3e29bb1d35e8240d664b36adabd258d413e7858c6668ddd
[INFO] running `Command { std: "docker" "start" "-a" "dacfeb39fd0185bbf3e29bb1d35e8240d664b36adabd258d413e7858c6668ddd", kill_on_drop: false }`
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 24 |   int_roundings!(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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:36
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![cfg_attr(debug_assertions, deny(warnings))]
[INFO] [stdout]    |                                    ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` implied by `#[warn(warnings)]`
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 25 |   int_roundings!(i8);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 26 |   int_roundings!(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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 27 |   int_roundings!(i16);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 28 |   int_roundings!(u32);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 29 |   int_roundings!(i32);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 30 |   int_roundings!(u64);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 31 |   int_roundings!(i64);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 32 |   int_roundings!(u128);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 33 |   int_roundings!(i128);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nightly-quirks v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 24 |   int_roundings!(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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:36
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![cfg_attr(debug_assertions, deny(warnings))]
[INFO] [stdout]    |                                    ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` implied by `#[warn(warnings)]`
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 25 |   int_roundings!(i8);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 26 |   int_roundings!(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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 27 |   int_roundings!(i16);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 28 |   int_roundings!(u32);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 29 |   int_roundings!(i32);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 30 |   int_roundings!(u64);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 31 |   int_roundings!(i64);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 32 |   int_roundings!(u128);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (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/int_roundings.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stdout]  9 | |             without modifying the original"]
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] ...
[INFO] [stdout] 33 |   int_roundings!(i128);
[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "dacfeb39fd0185bbf3e29bb1d35e8240d664b36adabd258d413e7858c6668ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dacfeb39fd0185bbf3e29bb1d35e8240d664b36adabd258d413e7858c6668ddd", kill_on_drop: false }`
[INFO] [stdout] dacfeb39fd0185bbf3e29bb1d35e8240d664b36adabd258d413e7858c6668ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62ab1055d0f803d0928420877e7976c55fc9ed387478fe6e5089c2318f22df0e
[INFO] running `Command { std: "docker" "start" "-a" "62ab1055d0f803d0928420877e7976c55fc9ed387478fe6e5089c2318f22df0e", kill_on_drop: false }`
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/int_roundings.rs:8:13
[INFO] [stderr]    |
[INFO] [stderr]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stderr]  9 | |             without modifying the original"]
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr] ...
[INFO] [stderr] 24 |   int_roundings!(u8);
[INFO] [stderr]    |   ------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:36
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![cfg_attr(debug_assertions, deny(warnings))]
[INFO] [stderr]    |                                    ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` implied by `#[warn(warnings)]`
[INFO] [stderr]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/int_roundings.rs:8:13
[INFO] [stderr]    |
[INFO] [stderr]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stderr]  9 | |             without modifying the original"]
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr] ...
[INFO] [stderr] 25 |   int_roundings!(i8);
[INFO] [stderr]    |   ------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/int_roundings.rs:8:13
[INFO] [stderr]    |
[INFO] [stderr]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stderr]  9 | |             without modifying the original"]
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr] ...
[INFO] [stderr] 26 |   int_roundings!(u16);
[INFO] [stderr]    |   ------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/int_roundings.rs:8:13
[INFO] [stderr]    |
[INFO] [stderr]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stderr]  9 | |             without modifying the original"]
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr] ...
[INFO] [stderr] 27 |   int_roundings!(i16);
[INFO] [stderr]    |   ------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/int_roundings.rs:8:13
[INFO] [stderr]    |
[INFO] [stderr]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stderr]  9 | |             without modifying the original"]
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr] ...
[INFO] [stderr] 28 |   int_roundings!(u32);
[INFO] [stderr]    |   ------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/int_roundings.rs:8:13
[INFO] [stderr]    |
[INFO] [stderr]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stderr]  9 | |             without modifying the original"]
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr] ...
[INFO] [stderr] 29 |   int_roundings!(i32);
[INFO] [stderr]    |   ------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/int_roundings.rs:8:13
[INFO] [stderr]    |
[INFO] [stderr]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stderr]  9 | |             without modifying the original"]
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr] ...
[INFO] [stderr] 30 |   int_roundings!(u64);
[INFO] [stderr]    |   ------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/int_roundings.rs:8:13
[INFO] [stderr]    |
[INFO] [stderr]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stderr]  9 | |             without modifying the original"]
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr] ...
[INFO] [stderr] 31 |   int_roundings!(i64);
[INFO] [stderr]    |   ------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/int_roundings.rs:8:13
[INFO] [stderr]    |
[INFO] [stderr]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stderr]  9 | |             without modifying the original"]
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr] ...
[INFO] [stderr] 32 |   int_roundings!(u128);
[INFO] [stderr]    |   -------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/int_roundings.rs:8:13
[INFO] [stderr]    |
[INFO] [stderr]  8 | /             #[must_use = "this returns the result of the operation, \
[INFO] [stderr]  9 | |             without modifying the original"]
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr] ...
[INFO] [stderr] 33 |   int_roundings!(i128);
[INFO] [stderr]    |   -------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]    = note: this warning originates in the macro `int_roundings` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `nightly-quirks` (lib) generated 10 warnings (run `cargo fix --lib -p nightly-quirks` to apply 10 suggestions)
[INFO] [stderr] warning: `nightly-quirks` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nightly_quirks-1e8d7e4ad21f96ed)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nightly_quirks
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "62ab1055d0f803d0928420877e7976c55fc9ed387478fe6e5089c2318f22df0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ab1055d0f803d0928420877e7976c55fc9ed387478fe6e5089c2318f22df0e", kill_on_drop: false }`
[INFO] [stdout] 62ab1055d0f803d0928420877e7976c55fc9ed387478fe6e5089c2318f22df0e
