[INFO] updating cached repository https://github.com/MicroJoe/rmatrix
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52506714448a41de35353162c64de33266acce43
[INFO] testing MicroJoe/rmatrix against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FMicroJoe%2Frmatrix" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MicroJoe/rmatrix on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MicroJoe/rmatrix
[INFO] finished tweaking git repo https://github.com/MicroJoe/rmatrix
[INFO] tweaked toml for git repo https://github.com/MicroJoe/rmatrix written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/MicroJoe/rmatrix already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 3ae6c273365d3ef0205bdeb5598d88f7b60716335b301f430737be91ca24c2bd
[INFO] running `"docker" "start" "-a" "3ae6c273365d3ef0205bdeb5598d88f7b60716335b301f430737be91ca24c2bd"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rmatrix v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `id`
[INFO] [stderr]   --> src/matrix.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn id(w: usize) -> Matrix {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "3ae6c273365d3ef0205bdeb5598d88f7b60716335b301f430737be91ca24c2bd"`
[INFO] running `"docker" "rm" "-f" "3ae6c273365d3ef0205bdeb5598d88f7b60716335b301f430737be91ca24c2bd"`
[INFO] [stdout] 3ae6c273365d3ef0205bdeb5598d88f7b60716335b301f430737be91ca24c2bd
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7870b5a8fc4132a428711f36d4f5ccc323ae7f50dd1c7983c8f3d0e5d2d9cfdc
[INFO] running `"docker" "start" "-a" "7870b5a8fc4132a428711f36d4f5ccc323ae7f50dd1c7983c8f3d0e5d2d9cfdc"`
[INFO] [stderr]    Compiling rmatrix v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "7870b5a8fc4132a428711f36d4f5ccc323ae7f50dd1c7983c8f3d0e5d2d9cfdc"`
[INFO] running `"docker" "rm" "-f" "7870b5a8fc4132a428711f36d4f5ccc323ae7f50dd1c7983c8f3d0e5d2d9cfdc"`
[INFO] [stdout] 7870b5a8fc4132a428711f36d4f5ccc323ae7f50dd1c7983c8f3d0e5d2d9cfdc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] f7360cbd4ad43b9a4a3dd800b363a0b947a0f4c701549e0c8a458317c6bada60
[INFO] running `"docker" "start" "-a" "f7360cbd4ad43b9a4a3dd800b363a0b947a0f4c701549e0c8a458317c6bada60"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rmatrix-7e52b20b1c975421
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test matrix::test_mult_id ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f7360cbd4ad43b9a4a3dd800b363a0b947a0f4c701549e0c8a458317c6bada60"`
[INFO] running `"docker" "rm" "-f" "f7360cbd4ad43b9a4a3dd800b363a0b947a0f4c701549e0c8a458317c6bada60"`
[INFO] [stdout] f7360cbd4ad43b9a4a3dd800b363a0b947a0f4c701549e0c8a458317c6bada60