[INFO] cloning repository https://github.com/mreboland/rustTypesArraysVectorsSlices
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mreboland/rustTypesArraysVectorsSlices" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustTypesArraysVectorsSlices", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustTypesArraysVectorsSlices'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b5a48f68036f85a985f57e00a5b14744838f6b9
[INFO] testing mreboland/rustTypesArraysVectorsSlices against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustTypesArraysVectorsSlices" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mreboland/rustTypesArraysVectorsSlices on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mreboland/rustTypesArraysVectorsSlices
[INFO] finished tweaking git repo https://github.com/mreboland/rustTypesArraysVectorsSlices
[INFO] tweaked toml for git repo https://github.com/mreboland/rustTypesArraysVectorsSlices written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mreboland/rustTypesArraysVectorsSlices already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27bb75d327069aa595845738e6f7474cd3c19b8432b3e444e191ef0c002aed04
[INFO] running `Command { std: "docker" "start" "-a" "27bb75d327069aa595845738e6f7474cd3c19b8432b3e444e191ef0c002aed04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27bb75d327069aa595845738e6f7474cd3c19b8432b3e444e191ef0c002aed04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27bb75d327069aa595845738e6f7474cd3c19b8432b3e444e191ef0c002aed04", kill_on_drop: false }`
[INFO] [stdout] 27bb75d327069aa595845738e6f7474cd3c19b8432b3e444e191ef0c002aed04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d78286a070618d8aea841e0c860178aaa8cfb1b9feae66aab64c97bed442c93
[INFO] running `Command { std: "docker" "start" "-a" "2d78286a070618d8aea841e0c860178aaa8cfb1b9feae66aab64c97bed442c93", kill_on_drop: false }`
[INFO] [stderr]    Compiling types-arrays-vectors-slices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sa`
[INFO] [stdout]    --> src/main.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let sa: &[f64] = &a;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_sa`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_pixel_buffer`
[INFO] [stdout]   --> src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn new_pixel_buffer(rows: usize, cols: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "2d78286a070618d8aea841e0c860178aaa8cfb1b9feae66aab64c97bed442c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d78286a070618d8aea841e0c860178aaa8cfb1b9feae66aab64c97bed442c93", kill_on_drop: false }`
[INFO] [stdout] 2d78286a070618d8aea841e0c860178aaa8cfb1b9feae66aab64c97bed442c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 621f8d9dfe73a52f0b04bf1126b7126afcf87c0ca6a0e042e6b178809228bad9
[INFO] running `Command { std: "docker" "start" "-a" "621f8d9dfe73a52f0b04bf1126b7126afcf87c0ca6a0e042e6b178809228bad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling types-arrays-vectors-slices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sa`
[INFO] [stdout]    --> src/main.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let sa: &[f64] = &a;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_sa`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "621f8d9dfe73a52f0b04bf1126b7126afcf87c0ca6a0e042e6b178809228bad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "621f8d9dfe73a52f0b04bf1126b7126afcf87c0ca6a0e042e6b178809228bad9", kill_on_drop: false }`
[INFO] [stdout] 621f8d9dfe73a52f0b04bf1126b7126afcf87c0ca6a0e042e6b178809228bad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a26bb40e282d492f95830a11b1b194edb6d8101118b322c096d1e2173ac2feb
[INFO] running `Command { std: "docker" "start" "-a" "8a26bb40e282d492f95830a11b1b194edb6d8101118b322c096d1e2173ac2feb", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `sa`
[INFO] [stderr]    --> src/main.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let sa: &[f64] = &a;
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_sa`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `types-arrays-vectors-slices` (bin "types-arrays-vectors-slices" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/types_arrays_vectors_slices-4282df7678ef1876)
[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" "8a26bb40e282d492f95830a11b1b194edb6d8101118b322c096d1e2173ac2feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a26bb40e282d492f95830a11b1b194edb6d8101118b322c096d1e2173ac2feb", kill_on_drop: false }`
[INFO] [stdout] 8a26bb40e282d492f95830a11b1b194edb6d8101118b322c096d1e2173ac2feb