[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#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkygkygkyg%2Fmatrix_utils" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kygkygkyg/matrix_utils on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kygkygkyg/matrix_utils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d14e0bc81ebd727b691a3fc43d4d575d3f71f5d9543facdf47070ee925c4c924
[INFO] running `Command { std: "docker" "start" "-a" "d14e0bc81ebd727b691a3fc43d4d575d3f71f5d9543facdf47070ee925c4c924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d14e0bc81ebd727b691a3fc43d4d575d3f71f5d9543facdf47070ee925c4c924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14e0bc81ebd727b691a3fc43d4d575d3f71f5d9543facdf47070ee925c4c924", kill_on_drop: false }`
[INFO] [stdout] d14e0bc81ebd727b691a3fc43d4d575d3f71f5d9543facdf47070ee925c4c924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16fd7ef23cb6f8fdd69639b9ce0c401deac2e1ede70368314a479fbf45fb9014
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16fd7ef23cb6f8fdd69639b9ce0c401deac2e1ede70368314a479fbf45fb9014", 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "16fd7ef23cb6f8fdd69639b9ce0c401deac2e1ede70368314a479fbf45fb9014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16fd7ef23cb6f8fdd69639b9ce0c401deac2e1ede70368314a479fbf45fb9014", kill_on_drop: false }`
[INFO] [stdout] 16fd7ef23cb6f8fdd69639b9ce0c401deac2e1ede70368314a479fbf45fb9014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb2412d38b04e41fc4e5f873758a8851a0fe1815a00e5794257aa66dfb5a8b3f
[INFO] running `Command { std: "docker" "start" "-a" "cb2412d38b04e41fc4e5f873758a8851a0fe1815a00e5794257aa66dfb5a8b3f", 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: 1 warning emitted
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "cb2412d38b04e41fc4e5f873758a8851a0fe1815a00e5794257aa66dfb5a8b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2412d38b04e41fc4e5f873758a8851a0fe1815a00e5794257aa66dfb5a8b3f", kill_on_drop: false }`
[INFO] [stdout] cb2412d38b04e41fc4e5f873758a8851a0fe1815a00e5794257aa66dfb5a8b3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73ac8567946506a9b4a1b5bca1e9723ae61772bc22c5b041db30d7925b4ec12c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "73ac8567946506a9b4a1b5bca1e9723ae61772bc22c5b041db30d7925b4ec12c", kill_on_drop: false }`
[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] 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
[INFO] [stderr] warning: `mat_utils` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mat_utils-e18496826fe2f66b)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-8af3860633dd435d)
[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" "73ac8567946506a9b4a1b5bca1e9723ae61772bc22c5b041db30d7925b4ec12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ac8567946506a9b4a1b5bca1e9723ae61772bc22c5b041db30d7925b4ec12c", kill_on_drop: false }`
[INFO] [stdout] 73ac8567946506a9b4a1b5bca1e9723ae61772bc22c5b041db30d7925b4ec12c