[INFO] fetching crate bareiss 0.1.0...
[INFO] testing bareiss-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate bareiss 0.1.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate bareiss 0.1.0 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 crates.io crate bareiss 0.1.0
[INFO] finished tweaking crates.io crate bareiss 0.1.0
[INFO] tweaked toml for crates.io crate bareiss 0.1.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 7287d144637de78e24d3be5b025da8f65ed87ff4ea7c6f4a349798db4c28b34a
[INFO] running `Command { std: "docker" "start" "-a" "7287d144637de78e24d3be5b025da8f65ed87ff4ea7c6f4a349798db4c28b34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7287d144637de78e24d3be5b025da8f65ed87ff4ea7c6f4a349798db4c28b34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7287d144637de78e24d3be5b025da8f65ed87ff4ea7c6f4a349798db4c28b34a", kill_on_drop: false }`
[INFO] [stdout] 7287d144637de78e24d3be5b025da8f65ed87ff4ea7c6f4a349798db4c28b34a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 9595cbafd87193d115e070a98087bfce848b6335fd4ced9ef55f5e2a819ec3fb
[INFO] running `Command { std: "docker" "start" "-a" "9595cbafd87193d115e070a98087bfce848b6335fd4ced9ef55f5e2a819ec3fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bareiss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "9595cbafd87193d115e070a98087bfce848b6335fd4ced9ef55f5e2a819ec3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9595cbafd87193d115e070a98087bfce848b6335fd4ced9ef55f5e2a819ec3fb", kill_on_drop: false }`
[INFO] [stdout] 9595cbafd87193d115e070a98087bfce848b6335fd4ced9ef55f5e2a819ec3fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] ec2f3601d00b2f6b12744cf02a7303d94c485871b8d6ba59657d8d07ac2e9ca9
[INFO] running `Command { std: "docker" "start" "-a" "ec2f3601d00b2f6b12744cf02a7303d94c485871b8d6ba59657d8d07ac2e9ca9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bareiss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "ec2f3601d00b2f6b12744cf02a7303d94c485871b8d6ba59657d8d07ac2e9ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2f3601d00b2f6b12744cf02a7303d94c485871b8d6ba59657d8d07ac2e9ca9", kill_on_drop: false }`
[INFO] [stdout] ec2f3601d00b2f6b12744cf02a7303d94c485871b8d6ba59657d8d07ac2e9ca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 8e498e1d6f9610c177215272c80cf5336cc5131bd20c2669fe5d0416f55973eb
[INFO] running `Command { std: "docker" "start" "-a" "8e498e1d6f9610c177215272c80cf5336cc5131bd20c2669fe5d0416f55973eb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bareiss-b4edfaeb1e4c1e50)
[INFO] [stdout] test tests::calculates_right_determinant ... ok
[INFO] [stdout] test tests::panic_on_non_square_matrix - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bareiss
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - bareiss_determinant (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e498e1d6f9610c177215272c80cf5336cc5131bd20c2669fe5d0416f55973eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e498e1d6f9610c177215272c80cf5336cc5131bd20c2669fe5d0416f55973eb", kill_on_drop: false }`
[INFO] [stdout] 8e498e1d6f9610c177215272c80cf5336cc5131bd20c2669fe5d0416f55973eb