[INFO] cloning repository https://github.com/MicroJoe/rmatrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MicroJoe/rmatrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMicroJoe%2Frmatrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMicroJoe%2Frmatrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52506714448a41de35353162c64de33266acce43
[INFO] testing MicroJoe/rmatrix against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMicroJoe%2Frmatrix" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MicroJoe/rmatrix on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/MicroJoe/rmatrix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e0d900131a61054de4a595e181b962c4562b9dea5bc5139f1e5938a871a9932
[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" "0e0d900131a61054de4a595e181b962c4562b9dea5bc5139f1e5938a871a9932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e0d900131a61054de4a595e181b962c4562b9dea5bc5139f1e5938a871a9932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0d900131a61054de4a595e181b962c4562b9dea5bc5139f1e5938a871a9932", kill_on_drop: false }`
[INFO] [stdout] 0e0d900131a61054de4a595e181b962c4562b9dea5bc5139f1e5938a871a9932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 12dc21942a386c0e11225a05db2fa300d8b1c2eabd2fd70d1dc0c7320d0e040c
[INFO] running `Command { std: "docker" "start" "-a" "12dc21942a386c0e11225a05db2fa300d8b1c2eabd2fd70d1dc0c7320d0e040c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmatrix v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `id`
[INFO] [stdout]   --> src/matrix.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn id(w: usize) -> Matrix {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 0.89s
[INFO] running `Command { std: "docker" "inspect" "12dc21942a386c0e11225a05db2fa300d8b1c2eabd2fd70d1dc0c7320d0e040c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12dc21942a386c0e11225a05db2fa300d8b1c2eabd2fd70d1dc0c7320d0e040c", kill_on_drop: false }`
[INFO] [stdout] 12dc21942a386c0e11225a05db2fa300d8b1c2eabd2fd70d1dc0c7320d0e040c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] c1f4aaaa8283aefdff465659c4e8d8c3c822e7ed1e5d9f0fdd9c293f969b6b4e
[INFO] running `Command { std: "docker" "start" "-a" "c1f4aaaa8283aefdff465659c4e8d8c3c822e7ed1e5d9f0fdd9c293f969b6b4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmatrix v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "c1f4aaaa8283aefdff465659c4e8d8c3c822e7ed1e5d9f0fdd9c293f969b6b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f4aaaa8283aefdff465659c4e8d8c3c822e7ed1e5d9f0fdd9c293f969b6b4e", kill_on_drop: false }`
[INFO] [stdout] c1f4aaaa8283aefdff465659c4e8d8c3c822e7ed1e5d9f0fdd9c293f969b6b4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f07b5809b9d997ff218b1bdfd4f7a3df04ad7d900d76524205e9115a9ce941a
[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" "3f07b5809b9d997ff218b1bdfd4f7a3df04ad7d900d76524205e9115a9ce941a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rmatrix-1a54c8dccd09dc4e
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f07b5809b9d997ff218b1bdfd4f7a3df04ad7d900d76524205e9115a9ce941a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f07b5809b9d997ff218b1bdfd4f7a3df04ad7d900d76524205e9115a9ce941a", kill_on_drop: false }`
[INFO] [stdout] 3f07b5809b9d997ff218b1bdfd4f7a3df04ad7d900d76524205e9115a9ce941a