[INFO] fetching crate reduced_row_echelon_form_jeck 0.1.0...
[INFO] testing reduced_row_echelon_form_jeck-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate reduced_row_echelon_form_jeck 0.1.0 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate reduced_row_echelon_form_jeck 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82e61e21a0c68b6a6c5097efb54dd942e3c24fee3d4dcc49681db7dd2499fe69
[INFO] running `Command { std: "docker" "start" "-a" "82e61e21a0c68b6a6c5097efb54dd942e3c24fee3d4dcc49681db7dd2499fe69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82e61e21a0c68b6a6c5097efb54dd942e3c24fee3d4dcc49681db7dd2499fe69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e61e21a0c68b6a6c5097efb54dd942e3c24fee3d4dcc49681db7dd2499fe69", kill_on_drop: false }`
[INFO] [stdout] 82e61e21a0c68b6a6c5097efb54dd942e3c24fee3d4dcc49681db7dd2499fe69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fedce0ec2304f87f9425c55978421947cae8fd37a52331cb069b9df194b2d74d
[INFO] running `Command { std: "docker" "start" "-a" "fedce0ec2304f87f9425c55978421947cae8fd37a52331cb069b9df194b2d74d", 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 0.16s
[INFO] running `Command { std: "docker" "inspect" "fedce0ec2304f87f9425c55978421947cae8fd37a52331cb069b9df194b2d74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fedce0ec2304f87f9425c55978421947cae8fd37a52331cb069b9df194b2d74d", kill_on_drop: false }`
[INFO] [stdout] fedce0ec2304f87f9425c55978421947cae8fd37a52331cb069b9df194b2d74d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c248167a51c43ec17cc9bb2c8343e953ca2d5d4f6a44f2149efe4d6ccfe0807
[INFO] running `Command { std: "docker" "start" "-a" "4c248167a51c43ec17cc9bb2c8343e953ca2d5d4f6a44f2149efe4d6ccfe0807", 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" "4c248167a51c43ec17cc9bb2c8343e953ca2d5d4f6a44f2149efe4d6ccfe0807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c248167a51c43ec17cc9bb2c8343e953ca2d5d4f6a44f2149efe4d6ccfe0807", kill_on_drop: false }`
[INFO] [stdout] 4c248167a51c43ec17cc9bb2c8343e953ca2d5d4f6a44f2149efe4d6ccfe0807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb3f4c55f25425e0cd14e8bc0cc4f92e31e99591fcd3fd0dcc36ff3cc8c0a644
[INFO] running `Command { std: "docker" "start" "-a" "eb3f4c55f25425e0cd14e8bc0cc4f92e31e99591fcd3fd0dcc36ff3cc8c0a644", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[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_non_square_matrix ... 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::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] [stderr]    Doc-tests reduced_row_echelon_form_jeck
[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 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb3f4c55f25425e0cd14e8bc0cc4f92e31e99591fcd3fd0dcc36ff3cc8c0a644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3f4c55f25425e0cd14e8bc0cc4f92e31e99591fcd3fd0dcc36ff3cc8c0a644", kill_on_drop: false }`
[INFO] [stdout] eb3f4c55f25425e0cd14e8bc0cc4f92e31e99591fcd3fd0dcc36ff3cc8c0a644