[INFO] fetching crate bareiss 0.1.0...
[INFO] testing bareiss-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate bareiss 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bareiss 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 729eadb5e85c83dc12f389d88cd5202c1b9b3fa7fa99b838b3ceeda04403b6a6
[INFO] running `Command { std: "docker" "start" "-a" "729eadb5e85c83dc12f389d88cd5202c1b9b3fa7fa99b838b3ceeda04403b6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "729eadb5e85c83dc12f389d88cd5202c1b9b3fa7fa99b838b3ceeda04403b6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729eadb5e85c83dc12f389d88cd5202c1b9b3fa7fa99b838b3ceeda04403b6a6", kill_on_drop: false }`
[INFO] [stdout] 729eadb5e85c83dc12f389d88cd5202c1b9b3fa7fa99b838b3ceeda04403b6a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5050ae830863a722cec627ca74493bf05d751baf35f4a15e33fac72b8dc8567
[INFO] running `Command { std: "docker" "start" "-a" "c5050ae830863a722cec627ca74493bf05d751baf35f4a15e33fac72b8dc8567", kill_on_drop: false }`
[INFO] [stderr]    Compiling bareiss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "c5050ae830863a722cec627ca74493bf05d751baf35f4a15e33fac72b8dc8567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5050ae830863a722cec627ca74493bf05d751baf35f4a15e33fac72b8dc8567", kill_on_drop: false }`
[INFO] [stdout] c5050ae830863a722cec627ca74493bf05d751baf35f4a15e33fac72b8dc8567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c628045a031d3b8376d4747327f508963a548d0c37d594ae1aa8dcfbc6175f72
[INFO] running `Command { std: "docker" "start" "-a" "c628045a031d3b8376d4747327f508963a548d0c37d594ae1aa8dcfbc6175f72", kill_on_drop: false }`
[INFO] [stderr]    Compiling bareiss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "c628045a031d3b8376d4747327f508963a548d0c37d594ae1aa8dcfbc6175f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c628045a031d3b8376d4747327f508963a548d0c37d594ae1aa8dcfbc6175f72", kill_on_drop: false }`
[INFO] [stdout] c628045a031d3b8376d4747327f508963a548d0c37d594ae1aa8dcfbc6175f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e8c76bf9e32d8afc924ba411f40410655d1c45ef4244cf0e0f83aee46e09ea7
[INFO] running `Command { std: "docker" "start" "-a" "4e8c76bf9e32d8afc924ba411f40410655d1c45ef4244cf0e0f83aee46e09ea7", 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-86c41da1cafcaa57)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bareiss
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - bareiss_determinant (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e8c76bf9e32d8afc924ba411f40410655d1c45ef4244cf0e0f83aee46e09ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8c76bf9e32d8afc924ba411f40410655d1c45ef4244cf0e0f83aee46e09ea7", kill_on_drop: false }`
[INFO] [stdout] 4e8c76bf9e32d8afc924ba411f40410655d1c45ef4244cf0e0f83aee46e09ea7