[INFO] cloning repository https://github.com/kygkygkyg/matrix_utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kygkygkyg/matrix_utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkygkygkyg%2Fmatrix_utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkygkygkyg%2Fmatrix_utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f1c51ed9a14ea9c396c00e9e91957a8a09e96d2
[INFO] testing kygkygkyg/matrix_utils against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkygkygkyg%2Fmatrix_utils" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kygkygkyg/matrix_utils
[INFO] finished tweaking git repo https://github.com/kygkygkyg/matrix_utils
[INFO] tweaked toml for git repo https://github.com/kygkygkyg/matrix_utils written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kygkygkyg/matrix_utils on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kygkygkyg/matrix_utils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2302ffc91a7215e6d7d52a33cfd2d0414e9fd2736ebdbadefbbe1feadc63c6e4
[INFO] running `Command { std: "docker" "start" "-a" "2302ffc91a7215e6d7d52a33cfd2d0414e9fd2736ebdbadefbbe1feadc63c6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2302ffc91a7215e6d7d52a33cfd2d0414e9fd2736ebdbadefbbe1feadc63c6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2302ffc91a7215e6d7d52a33cfd2d0414e9fd2736ebdbadefbbe1feadc63c6e4", kill_on_drop: false }`
[INFO] [stdout] 2302ffc91a7215e6d7d52a33cfd2d0414e9fd2736ebdbadefbbe1feadc63c6e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67ea5a08fde21c67ca201361e93de52dfce0792300a435ff5c991821bc52135a
[INFO] running `Command { std: "docker" "start" "-a" "67ea5a08fde21c67ca201361e93de52dfce0792300a435ff5c991821bc52135a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mat_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils::mymath`
[INFO] [stdout]  --> src/utils/matrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::mymath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "67ea5a08fde21c67ca201361e93de52dfce0792300a435ff5c991821bc52135a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ea5a08fde21c67ca201361e93de52dfce0792300a435ff5c991821bc52135a", kill_on_drop: false }`
[INFO] [stdout] 67ea5a08fde21c67ca201361e93de52dfce0792300a435ff5c991821bc52135a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 685fc07279d59c5a44258d87ed117a125fda05a509c0b222f2245e7ec678f0ff
[INFO] running `Command { std: "docker" "start" "-a" "685fc07279d59c5a44258d87ed117a125fda05a509c0b222f2245e7ec678f0ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling mat_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils::mymath`
[INFO] [stdout]  --> src/utils/matrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::mymath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::mymath`
[INFO] [stdout]  --> src/utils/matrix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::mymath;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "685fc07279d59c5a44258d87ed117a125fda05a509c0b222f2245e7ec678f0ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685fc07279d59c5a44258d87ed117a125fda05a509c0b222f2245e7ec678f0ff", kill_on_drop: false }`
[INFO] [stdout] 685fc07279d59c5a44258d87ed117a125fda05a509c0b222f2245e7ec678f0ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c433dad4f9a26b50f2f48f63abca62612f5645eb5aa3371d23257d8fa847b7f
[INFO] running `Command { std: "docker" "start" "-a" "8c433dad4f9a26b50f2f48f63abca62612f5645eb5aa3371d23257d8fa847b7f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::utils::mymath`
[INFO] [stderr]  --> src/utils/matrix.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::utils::mymath;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mat_utils` (lib) generated 1 warning (run `cargo fix --lib -p mat_utils` to apply 1 suggestion)
[INFO] [stderr] warning: `mat_utils` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mat_utils-05e3d1f2130d6a3b)
[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]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-8d91a1271e6fb80a)
[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 mat_utils
[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" "8c433dad4f9a26b50f2f48f63abca62612f5645eb5aa3371d23257d8fa847b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c433dad4f9a26b50f2f48f63abca62612f5645eb5aa3371d23257d8fa847b7f", kill_on_drop: false }`
[INFO] [stdout] 8c433dad4f9a26b50f2f48f63abca62612f5645eb5aa3371d23257d8fa847b7f