[INFO] fetching crate reduced_row_echelon_form_jeck 0.1.0...
[INFO] testing reduced_row_echelon_form_jeck-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate reduced_row_echelon_form_jeck 0.1.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reduced_row_echelon_form_jeck 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dee226eab32c0ce198d66ee32028942e6a0cc66bca9884a6e1e3cb177a30fccb
[INFO] running `Command { std: "docker" "start" "-a" "dee226eab32c0ce198d66ee32028942e6a0cc66bca9884a6e1e3cb177a30fccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dee226eab32c0ce198d66ee32028942e6a0cc66bca9884a6e1e3cb177a30fccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee226eab32c0ce198d66ee32028942e6a0cc66bca9884a6e1e3cb177a30fccb", kill_on_drop: false }`
[INFO] [stdout] dee226eab32c0ce198d66ee32028942e6a0cc66bca9884a6e1e3cb177a30fccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 586bac3300c865889a58802ae6650d69e00b715100b0f5b3304dc7ae98b353b2
[INFO] running `Command { std: "docker" "start" "-a" "586bac3300c865889a58802ae6650d69e00b715100b0f5b3304dc7ae98b353b2", 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 0.25s
[INFO] running `Command { std: "docker" "inspect" "586bac3300c865889a58802ae6650d69e00b715100b0f5b3304dc7ae98b353b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586bac3300c865889a58802ae6650d69e00b715100b0f5b3304dc7ae98b353b2", kill_on_drop: false }`
[INFO] [stdout] 586bac3300c865889a58802ae6650d69e00b715100b0f5b3304dc7ae98b353b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 038fd0f8781ee62b9f1d671e0d99f8d15d09f36e7294e323175997f819a2aa17
[INFO] running `Command { std: "docker" "start" "-a" "038fd0f8781ee62b9f1d671e0d99f8d15d09f36e7294e323175997f819a2aa17", 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 0.54s
[INFO] running `Command { std: "docker" "inspect" "038fd0f8781ee62b9f1d671e0d99f8d15d09f36e7294e323175997f819a2aa17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038fd0f8781ee62b9f1d671e0d99f8d15d09f36e7294e323175997f819a2aa17", kill_on_drop: false }`
[INFO] [stdout] 038fd0f8781ee62b9f1d671e0d99f8d15d09f36e7294e323175997f819a2aa17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad8449642dba7ff5a90bc8c219d59dd6ecda9c7bc357342c36aef48e75e5f55b
[INFO] running `Command { std: "docker" "start" "-a" "ad8449642dba7ff5a90bc8c219d59dd6ecda9c7bc357342c36aef48e75e5f55b", 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::calculate_row_scalar ... 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::swap_rows_test ... ok
[INFO] [stdout] test test::test_get_leftmost_zero ... ok
[INFO] [stdout] test test::zero_first_column ... ok
[INFO] [stdout] test test::scale_row_to_one_test ... 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 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad8449642dba7ff5a90bc8c219d59dd6ecda9c7bc357342c36aef48e75e5f55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8449642dba7ff5a90bc8c219d59dd6ecda9c7bc357342c36aef48e75e5f55b", kill_on_drop: false }`
[INFO] [stdout] ad8449642dba7ff5a90bc8c219d59dd6ecda9c7bc357342c36aef48e75e5f55b