[INFO] fetching crate qmat 0.5.1...
[INFO] testing qmat-0.5.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate qmat 0.5.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate qmat 0.5.1
[INFO] finished tweaking crates.io crate qmat 0.5.1
[INFO] tweaked toml for crates.io crate qmat 0.5.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qmat 0.5.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded csv-core v0.1.13
[INFO] [stderr]   Downloaded plotters-backend v0.3.7
[INFO] [stderr]   Downloaded rayon v1.12.0
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded oorandom v11.1.5
[INFO] [stderr]   Downloaded plotters-svg v0.3.7
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded plotters v0.3.7
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded csv v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7666f36957605cb2b311b54b065a63e9a999e57fd79ea5db5deb637572514284
[INFO] running `Command { std: "docker" "start" "-a" "7666f36957605cb2b311b54b065a63e9a999e57fd79ea5db5deb637572514284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7666f36957605cb2b311b54b065a63e9a999e57fd79ea5db5deb637572514284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7666f36957605cb2b311b54b065a63e9a999e57fd79ea5db5deb637572514284", kill_on_drop: false }`
[INFO] [stdout] 7666f36957605cb2b311b54b065a63e9a999e57fd79ea5db5deb637572514284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e8d196377ff52d33ec186f75412af86fd19f98cd8c91d1cb6b9f975d6a7820
[INFO] running `Command { std: "docker" "start" "-a" "b2e8d196377ff52d33ec186f75412af86fd19f98cd8c91d1cb6b9f975d6a7820", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling qmat v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/identities.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, 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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | intid!(isize);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | intid!(usize);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 | id!(f32, 1.0);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 | id!(f64, 1.0);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` (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/mat.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn iter(&self) -> Iter<T, M, N, LEN> {
[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] 74 |     pub fn iter(&self) -> Iter<'_, T, M, N, LEN> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `Command { std: "docker" "inspect" "b2e8d196377ff52d33ec186f75412af86fd19f98cd8c91d1cb6b9f975d6a7820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e8d196377ff52d33ec186f75412af86fd19f98cd8c91d1cb6b9f975d6a7820", kill_on_drop: false }`
[INFO] [stdout] b2e8d196377ff52d33ec186f75412af86fd19f98cd8c91d1cb6b9f975d6a7820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82b85fbcb1862126dd4074cccbf11edc422c2651a3b863ddd8e08dc4890886fa
[INFO] running `Command { std: "docker" "start" "-a" "82b85fbcb1862126dd4074cccbf11edc422c2651a3b863ddd8e08dc4890886fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling qmat v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/identities.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, 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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | intid!(isize);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | intid!(usize);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 | id!(f32, 1.0);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 | id!(f64, 1.0);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` (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/mat.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn iter(&self) -> Iter<T, M, N, LEN> {
[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] 74 |     pub fn iter(&self) -> Iter<'_, T, M, N, LEN> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/identities.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[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, foreign functions, functions, inherent methods, provided trait methods, required trait methods, 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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | intid!(isize);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 | intid!(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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | intid!(usize);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 | id!(f32, 1.0);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` (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/identities.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             #[must_use]
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 | id!(f64, 1.0);
[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, and traits
[INFO] [stdout]    = note: this warning originates in the macro `id` (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/mat.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn iter(&self) -> Iter<T, M, N, LEN> {
[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] 74 |     pub fn iter(&self) -> Iter<'_, T, M, N, LEN> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 29.21s
[INFO] running `Command { std: "docker" "inspect" "82b85fbcb1862126dd4074cccbf11edc422c2651a3b863ddd8e08dc4890886fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b85fbcb1862126dd4074cccbf11edc422c2651a3b863ddd8e08dc4890886fa", kill_on_drop: false }`
[INFO] [stdout] 82b85fbcb1862126dd4074cccbf11edc422c2651a3b863ddd8e08dc4890886fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d90aaea8a2b4f19ef9c38126e7d4a9b055223974e44548f0bc271b0cacde6b3e
[INFO] running `Command { std: "docker" "start" "-a" "d90aaea8a2b4f19ef9c38126e7d4a9b055223974e44548f0bc271b0cacde6b3e", kill_on_drop: false }`
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/identities.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     #[must_use]
[INFO] [stderr]    |     ^^^^^^^^^^^
[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, and traits
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 | intid!(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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 | intid!(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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 | intid!(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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 | intid!(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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 | intid!(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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 | intid!(isize);
[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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 | intid!(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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 | intid!(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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 | intid!(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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 | intid!(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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 54 | intid!(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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 | intid!(usize);
[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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` which comes from the expansion of the macro `intid` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 | id!(f32, 1.0);
[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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` (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/identities.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             #[must_use]
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 | id!(f64, 1.0);
[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, and traits
[INFO] [stderr]    = note: this warning originates in the macro `id` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/mat.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn iter(&self) -> Iter<T, M, N, LEN> {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn iter(&self) -> Iter<'_, T, M, N, LEN> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `qmat` (lib) generated 16 warnings (run `cargo fix --lib -p qmat` to apply 16 suggestions)
[INFO] [stderr] warning: `qmat` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/qmat-a1958e8a072ad4ee)
[INFO] [stderr]      Running tests/det.rs (/opt/rustwide/target/debug/deps/det-b9590b4c41c5f626)
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test det_2x2_singular_a ... ok
[INFO] [stdout] test det_3x3_nonzero_b ... ok
[INFO] [stdout] test det_3x3_nonzero_c ... ok
[INFO] [stdout] test det_3x3_nonzero_a ... ok
[INFO] [stdout] test det_2x2_nonzero_a ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/identities.rs (/opt/rustwide/target/debug/deps/identities-89ec7afa4eb8df52)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test primitives::test_f32 ... ok
[INFO] [stdout] test matricies::test_2x2 ... ok
[INFO] [stdout] test primitives::test_f64 ... ok
[INFO] [stdout] test primitives::test_i16 ... ok
[INFO] [stdout] test primitives::test_i8 ... ok
[INFO] [stdout] test primitives::test_i32 ... ok
[INFO] [stdout] test primitives::test_i64 ... ok
[INFO] [stdout] test primitives::test_i128 ... ok
[INFO] [stdout] test primitives::test_isize ... ok
[INFO] [stdout] test primitives::test_u16 ... ok
[INFO] [stdout] test primitives::test_u128 ... ok
[INFO] [stdout] test primitives::test_u64 ... ok
[INFO] [stdout] test primitives::test_u8 ... ok
[INFO] [stdout] test primitives::test_usize ... ok
[INFO] [stdout] test primitives::test_u32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iters.rs (/opt/rustwide/target/debug/deps/iters-5b4f967bf56f1149)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test into_iter::double ... ok
[INFO] [stdout] test iter::double ... ok
[INFO] [stdout] test iter::basic_test ... ok
[INFO] [stdout] test into_iter::basic_test ... ok
[INFO] [stdout] test iter_mut::basic_test ... ok
[INFO] [stdout] test iter_mut::double ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mat.rs (/opt/rustwide/target/debug/deps/mat-daa2e675c61ede2a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test as_flat_array ... ok
[INFO] [stdout] test diag ... ok
[INFO] [stdout] test get_col ... ok
[INFO] [stdout] test get_row ... ok
[INFO] [stdout] test new_with_illegal_generics ... ok
[INFO] [stdout] test index_mut ... ok
[INFO] [stderr]      Running tests/mat_ops.rs (/opt/rustwide/target/debug/deps/mat_ops-83c33fbf5b6e4f65)
[INFO] [stdout] test rows_cols_vol ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test add::basic_mat_2x2 ... ok
[INFO] [stdout] test inverse::singular_2x2 ... ok
[INFO] [stdout] test mul::basic_mat_2x2 ... ok
[INFO] [stdout] test inverse::nonsingular_2x2 ... ok
[INFO] [stdout] test mul::basic_mat_3x3 ... ok
[INFO] [stdout] test mul::basic_scalar_2x3 ... ok
[INFO] [stdout] test sub::basic_mat_2x2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/new_matrix.rs (/opt/rustwide/target/debug/deps/new_matrix-1d07e07d02c8ade4)
[INFO] [stdout] 
[INFO] [stdout] running 74 tests
[INFO] [stdout] test empty ... ok
[INFO] [stdout] test identity::test_f32_2x2 ... ok
[INFO] [stdout] test identity::test_f32_3x3 ... ok
[INFO] [stdout] test identity::test_f32_1x1 ... ok
[INFO] [stdout] test identity::test_f32_4x4 ... ok
[INFO] [stdout] test identity::test_f32_5x5 ... ok
[INFO] [stdout] test identity::test_f64_1x1 ... ok
[INFO] [stdout] test identity::test_f64_2x2 ... ok
[INFO] [stdout] test identity::test_f64_3x3 ... ok
[INFO] [stdout] test identity::test_f64_5x5 ... ok
[INFO] [stdout] test identity::test_i128_1x1 ... ok
[INFO] [stdout] test identity::test_i128_2x2 ... ok
[INFO] [stdout] test identity::test_f64_4x4 ... ok
[INFO] [stdout] test identity::test_i128_4x4 ... ok
[INFO] [stdout] test identity::test_i128_3x3 ... ok
[INFO] [stdout] test identity::test_i128_5x5 ... ok
[INFO] [stdout] test identity::test_i16_1x1 ... ok
[INFO] [stdout] test identity::test_i16_2x2 ... ok
[INFO] [stdout] test identity::test_i16_3x3 ... ok
[INFO] [stdout] test identity::test_i16_4x4 ... ok
[INFO] [stdout] test identity::test_i16_5x5 ... ok
[INFO] [stdout] test identity::test_i32_1x1 ... ok
[INFO] [stdout] test identity::test_i32_2x2 ... ok
[INFO] [stdout] test identity::test_i32_4x4 ... ok
[INFO] [stdout] test identity::test_i32_3x3 ... ok
[INFO] [stdout] test identity::test_i32_5x5 ... ok
[INFO] [stdout] test identity::test_i64_1x1 ... ok
[INFO] [stdout] test identity::test_i64_2x2 ... ok
[INFO] [stdout] test identity::test_i64_3x3 ... ok
[INFO] [stdout] test identity::test_i64_5x5 ... ok
[INFO] [stdout] test identity::test_i8_3x3 ... ok
[INFO] [stdout] test identity::test_i8_4x4 ... ok
[INFO] [stdout] test identity::test_i8_2x2 ... ok
[INFO] [stdout] test identity::test_isize_1x1 ... ok
[INFO] [stdout] test identity::test_isize_2x2 ... ok
[INFO] [stdout] test identity::test_i8_5x5 ... ok
[INFO] [stdout] test identity::test_isize_3x3 ... ok
[INFO] [stdout] test identity::test_i64_4x4 ... ok
[INFO] [stdout] test identity::test_u128_1x1 ... ok
[INFO] [stdout] test identity::test_i8_1x1 ... ok
[INFO] [stdout] test identity::test_u16_2x2 ... ok
[INFO] [stdout] test identity::test_u16_3x3 ... ok
[INFO] [stdout] test identity::test_u16_4x4 ... ok
[INFO] [stdout] test identity::test_u128_2x2 ... ok
[INFO] [stdout] test identity::test_u16_5x5 ... ok
[INFO] [stdout] test identity::test_isize_4x4 ... ok
[INFO] [stdout] test identity::test_isize_5x5 ... ok
[INFO] [stdout] test identity::test_u32_1x1 ... ok
[INFO] [stdout] test identity::test_u32_2x2 ... ok
[INFO] [stdout] test identity::test_u32_5x5 ... ok
[INFO] [stdout] test identity::test_u32_4x4 ... ok
[INFO] [stdout] test identity::test_u64_2x2 ... ok
[INFO] [stdout] test identity::test_u64_1x1 ... ok
[INFO] [stdout] test identity::test_u32_3x3 ... ok
[INFO] [stdout] test identity::test_u64_4x4 ... ok
[INFO] [stdout] test identity::test_u64_3x3 ... ok
[INFO] [stdout] test identity::test_u64_5x5 ... ok
[INFO] [stdout] test identity::test_u8_1x1 ... ok
[INFO] [stdout] test identity::test_u8_2x2 ... ok
[INFO] [stdout] test identity::test_u8_5x5 ... ok
[INFO] [stdout] test identity::test_usize_1x1 ... ok
[INFO] [stdout] test identity::test_usize_2x2 ... ok
[INFO] [stdout] test identity::test_usize_3x3 ... ok
[INFO] [stdout] test identity::test_u8_4x4 ... ok
[INFO] [stdout] test identity::test_u8_3x3 ... ok
[INFO] [stdout] test identity::test_usize_4x4 ... ok
[INFO] [stdout] test identity::test_usize_5x5 ... ok
[INFO] [stdout] test matrix::basic_2x2 ... ok
[INFO] [stdout] test matrix::basic_4x7 ... ok
[INFO] [stdout] test matrix::tokentree_2x3 ... ok
[INFO] [stdout] test identity::test_u128_3x3 ... ok
[INFO] [stdout] test identity::test_u128_4x4 ... ok
[INFO] [stdout] test identity::test_u128_5x5 ... ok
[INFO] [stdout] test identity::test_u16_1x1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 74 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/operations.rs (/opt/rustwide/target/debug/deps/operations-cd4917f1c27c84f2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test inverse::test_2x2_a ... ok
[INFO] [stderr]      Running tests/ord.rs (/opt/rustwide/target/debug/deps/ord-03e0b7cd8ee4ecb7)
[INFO] [stdout] test multiplication::mul_scalar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/position.rs (/opt/rustwide/target/debug/deps/position-989fe62f047bd51a)
[INFO] [stdout] test test_partial_eq ... ok
[INFO] [stdout] test test_partial_ne ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running tests/readme.rs (/opt/rustwide/target/debug/deps/readme-0027370441e03c5c)
[INFO] [stdout] test disp::debug ... ok
[INFO] [stdout] test into_and_from ... ok
[INFO] [stdout] test disp::display ... ok
[INFO] [stdout] test moving::down ... ok
[INFO] [stdout] test moving::left ... ok
[INFO] [stdout] test moving::left_n ... ok
[INFO] [stdout] test moving::right ... ok
[INFO] [stdout] test moving::up ... ok
[INFO] [stdout] test moving::up_n ... ok
[INFO] [stdout] test position_indexing ... ok
[INFO] [stdout] test moving::down_n ... ok
[INFO] [stdout] test moving::right_n ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test indexing_pos ... ok
[INFO] [stdout] test indexing_usize_2 ... ok
[INFO] [stdout] test new_matrix_2 ... ok
[INFO] [stdout] test new_matrix_1 ... ok
[INFO] [stdout] test new_matrix_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/row_col_iters.rs (/opt/rustwide/target/debug/deps/row_col_iters-770f8611027df416)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test into_iter_col ... ok
[INFO] [stdout] test into_iter_row ... ok
[INFO] [stdout] test iter_col ... ok
[INFO] [stdout] test iter_col_mut ... ok
[INFO] [stdout] test iter_row ... ok
[INFO] [stdout] test iter_row_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serialization.rs (/opt/rustwide/target/debug/deps/serialization-371dd5c202947802)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test serialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests qmat
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,N,LEN>::new (line 29) ... ok
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,N,LEN>::get_col (line 195) ... ok
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,N,LEN>::index_mut (line 326) ... ok
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,N,LEN>::add (line 349) ... ok
[INFO] [stdout] test src/new_matrix.rs - new_matrix::vector (line 57) ... ok
[INFO] [stdout] test src/new_matrix.rs - new_matrix::matrix (line 14) ... ok
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,N,LEN>::mul_scalar (line 262) ... ok
[INFO] [stdout] test src/new_matrix.rs - new_matrix::matrix (line 7) ... ok
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,N,LEN>::index (line 304) ... ok
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,N,LEN>::sub (line 399) ... ok
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,M,LEN>::diag (line 427) ... ok
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,N,LEN>::multiply (line 226) ... ok
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,1,M>::dot (line 377) ... ok
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,N,LEN>::empty (line 142) ... ok
[INFO] [stdout] test src/mat.rs - mat::Matrix<T,M,N,LEN>::get_row (line 172) ... ok
[INFO] [stdout] test src/new_matrix.rs - new_matrix::identity (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d90aaea8a2b4f19ef9c38126e7d4a9b055223974e44548f0bc271b0cacde6b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90aaea8a2b4f19ef9c38126e7d4a9b055223974e44548f0bc271b0cacde6b3e", kill_on_drop: false }`
[INFO] [stdout] d90aaea8a2b4f19ef9c38126e7d4a9b055223974e44548f0bc271b0cacde6b3e
