[INFO] fetching crate reduced_row_echelon_form_jeck 0.1.0...
[INFO] testing reduced_row_echelon_form_jeck-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate reduced_row_echelon_form_jeck 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate reduced_row_echelon_form_jeck 0.1.0
[INFO] finished tweaking crates.io crate reduced_row_echelon_form_jeck 0.1.0
[INFO] tweaked toml for crates.io crate reduced_row_echelon_form_jeck 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reduced_row_echelon_form_jeck 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate reduced_row_echelon_form_jeck 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 789d370140940c749f03f2e34ec3c13428084de79108e64597bfda17c7ae4c58
[INFO] running `Command { std: "docker" "start" "-a" "789d370140940c749f03f2e34ec3c13428084de79108e64597bfda17c7ae4c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "789d370140940c749f03f2e34ec3c13428084de79108e64597bfda17c7ae4c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "789d370140940c749f03f2e34ec3c13428084de79108e64597bfda17c7ae4c58", kill_on_drop: false }`
[INFO] [stdout] 789d370140940c749f03f2e34ec3c13428084de79108e64597bfda17c7ae4c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4619fd3337a5d03d250eb1846c666eafbba81a96f139d2caf32a96c414b5969a
[INFO] running `Command { std: "docker" "start" "-a" "4619fd3337a5d03d250eb1846c666eafbba81a96f139d2caf32a96c414b5969a", kill_on_drop: false }`
[INFO] [stderr]    Compiling reduced_row_echelon_form_jeck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "4619fd3337a5d03d250eb1846c666eafbba81a96f139d2caf32a96c414b5969a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4619fd3337a5d03d250eb1846c666eafbba81a96f139d2caf32a96c414b5969a", kill_on_drop: false }`
[INFO] [stdout] 4619fd3337a5d03d250eb1846c666eafbba81a96f139d2caf32a96c414b5969a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af52965d533b1da0e44df3e0269654b9ebffe6b0ae25378fd17cfc9def0b73ef
[INFO] running `Command { std: "docker" "start" "-a" "af52965d533b1da0e44df3e0269654b9ebffe6b0ae25378fd17cfc9def0b73ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling reduced_row_echelon_form_jeck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "af52965d533b1da0e44df3e0269654b9ebffe6b0ae25378fd17cfc9def0b73ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af52965d533b1da0e44df3e0269654b9ebffe6b0ae25378fd17cfc9def0b73ef", kill_on_drop: false }`
[INFO] [stdout] af52965d533b1da0e44df3e0269654b9ebffe6b0ae25378fd17cfc9def0b73ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0239ea8365d05ecc0e332c9e4573129df9739883fe054e21573b93156db8f1f4
[INFO] running `Command { std: "docker" "start" "-a" "0239ea8365d05ecc0e332c9e4573129df9739883fe054e21573b93156db8f1f4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reduced_row_echelon_form_jeck-8da332ef152cd92d)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::already_in_row_echelon ... ok
[INFO] [stdout] test test::reduced_row_echelon_form ... ok
[INFO] [stdout] test test::rref_zero_matrix ... ok
[INFO] [stdout] test test::scale_row_to_one_test ... ok
[INFO] [stdout] test test::swap_rows_test ... ok
[INFO] [stdout] test test::calculate_row_scalar ... ok
[INFO] [stdout] test test::test_get_leftmost_zero ... ok
[INFO] [stdout] test test::zero_first_column ... ok
[INFO] [stdout] test test::test_replacement_addition ... ok
[INFO] [stdout] test test::rref_non_square_matrix ... ok
[INFO] [stderr]    Doc-tests reduced_row_echelon_form_jeck
[INFO] [stdout] test test::calculate_invalid_row_scalar - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Matrix::from (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0239ea8365d05ecc0e332c9e4573129df9739883fe054e21573b93156db8f1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0239ea8365d05ecc0e332c9e4573129df9739883fe054e21573b93156db8f1f4", kill_on_drop: false }`
[INFO] [stdout] 0239ea8365d05ecc0e332c9e4573129df9739883fe054e21573b93156db8f1f4