[INFO] fetching crate reduced_row_echelon_form_jeck 0.1.0...
[INFO] testing reduced_row_echelon_form_jeck-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate reduced_row_echelon_form_jeck 0.1.0 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate reduced_row_echelon_form_jeck 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22700fe3130d6c554258818666135ce65634670ceb25186a3552884039d52a35
[INFO] running `Command { std: "docker" "start" "-a" "22700fe3130d6c554258818666135ce65634670ceb25186a3552884039d52a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22700fe3130d6c554258818666135ce65634670ceb25186a3552884039d52a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22700fe3130d6c554258818666135ce65634670ceb25186a3552884039d52a35", kill_on_drop: false }`
[INFO] [stdout] 22700fe3130d6c554258818666135ce65634670ceb25186a3552884039d52a35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a923f83284cb52199a463e3a0800ed9103ac1d2ef4184d66b9dfd24cd34aaa
[INFO] running `Command { std: "docker" "start" "-a" "06a923f83284cb52199a463e3a0800ed9103ac1d2ef4184d66b9dfd24cd34aaa", 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "06a923f83284cb52199a463e3a0800ed9103ac1d2ef4184d66b9dfd24cd34aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a923f83284cb52199a463e3a0800ed9103ac1d2ef4184d66b9dfd24cd34aaa", kill_on_drop: false }`
[INFO] [stdout] 06a923f83284cb52199a463e3a0800ed9103ac1d2ef4184d66b9dfd24cd34aaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 925ec40edb8683a3244aa89c03bb999d935562bc0da9f6ad5a9cb475dc1e6253
[INFO] running `Command { std: "docker" "start" "-a" "925ec40edb8683a3244aa89c03bb999d935562bc0da9f6ad5a9cb475dc1e6253", 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 0.47s
[INFO] running `Command { std: "docker" "inspect" "925ec40edb8683a3244aa89c03bb999d935562bc0da9f6ad5a9cb475dc1e6253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925ec40edb8683a3244aa89c03bb999d935562bc0da9f6ad5a9cb475dc1e6253", kill_on_drop: false }`
[INFO] [stdout] 925ec40edb8683a3244aa89c03bb999d935562bc0da9f6ad5a9cb475dc1e6253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b2a851d073c62bfb8b1185038346ce9349ca83965b165b0b95eaea53e7be6a0
[INFO] running `Command { std: "docker" "start" "-a" "3b2a851d073c62bfb8b1185038346ce9349ca83965b165b0b95eaea53e7be6a0", 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::swap_rows_test ... ok
[INFO] [stdout] test test::test_get_leftmost_zero ... 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::calculate_row_scalar ... ok
[INFO] [stdout] test test::scale_row_to_one_test ... 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 0.04s
[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 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b2a851d073c62bfb8b1185038346ce9349ca83965b165b0b95eaea53e7be6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2a851d073c62bfb8b1185038346ce9349ca83965b165b0b95eaea53e7be6a0", kill_on_drop: false }`
[INFO] [stdout] 3b2a851d073c62bfb8b1185038346ce9349ca83965b165b0b95eaea53e7be6a0