[INFO] fetching crate gauss_jordan_elimination 0.2.0...
[INFO] testing gauss_jordan_elimination-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate gauss_jordan_elimination 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate gauss_jordan_elimination 0.2.0
[INFO] finished tweaking crates.io crate gauss_jordan_elimination 0.2.0
[INFO] tweaked toml for crates.io crate gauss_jordan_elimination 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gauss_jordan_elimination 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cec9bb6b2e792423f48c856f926abe80a991456a53fba6f215641818a70ee8c3
[INFO] running `Command { std: "docker" "start" "-a" "cec9bb6b2e792423f48c856f926abe80a991456a53fba6f215641818a70ee8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cec9bb6b2e792423f48c856f926abe80a991456a53fba6f215641818a70ee8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec9bb6b2e792423f48c856f926abe80a991456a53fba6f215641818a70ee8c3", kill_on_drop: false }`
[INFO] [stdout] cec9bb6b2e792423f48c856f926abe80a991456a53fba6f215641818a70ee8c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 533fe71130eeb52f5bb3d5380eb9adad338b7baae01c8fdd27c7ad133f64fe5c
[INFO] running `Command { std: "docker" "start" "-a" "533fe71130eeb52f5bb3d5380eb9adad338b7baae01c8fdd27c7ad133f64fe5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling gauss_jordan_elimination v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "533fe71130eeb52f5bb3d5380eb9adad338b7baae01c8fdd27c7ad133f64fe5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533fe71130eeb52f5bb3d5380eb9adad338b7baae01c8fdd27c7ad133f64fe5c", kill_on_drop: false }`
[INFO] [stdout] 533fe71130eeb52f5bb3d5380eb9adad338b7baae01c8fdd27c7ad133f64fe5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1295dc8ac9d986b7288c2e4e11c47c090f6a6ffb88e2d08788518dec23e2512
[INFO] running `Command { std: "docker" "start" "-a" "a1295dc8ac9d986b7288c2e4e11c47c090f6a6ffb88e2d08788518dec23e2512", kill_on_drop: false }`
[INFO] [stderr]    Compiling gauss_jordan_elimination v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "a1295dc8ac9d986b7288c2e4e11c47c090f6a6ffb88e2d08788518dec23e2512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1295dc8ac9d986b7288c2e4e11c47c090f6a6ffb88e2d08788518dec23e2512", kill_on_drop: false }`
[INFO] [stdout] a1295dc8ac9d986b7288c2e4e11c47c090f6a6ffb88e2d08788518dec23e2512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f93ee84ed875ec3964f3b35930cced8726fa4fd49d2dd415f834c85afd4fe8a
[INFO] running `Command { std: "docker" "start" "-a" "1f93ee84ed875ec3964f3b35930cced8726fa4fd49d2dd415f834c85afd4fe8a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gauss_jordan_elimination-6d1e4dc22b353672)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_gauss_elimination_reduce ... ok
[INFO] [stdout] test tests::test_gauss_jordan_elimination ... ok
[INFO] [stdout] test tests::test_gauss_elimination_zero ... ok
[INFO] [stdout] test tests::test_gauss_elimination_echelon ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gauss_jordan_elimination
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1f93ee84ed875ec3964f3b35930cced8726fa4fd49d2dd415f834c85afd4fe8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f93ee84ed875ec3964f3b35930cced8726fa4fd49d2dd415f834c85afd4fe8a", kill_on_drop: false }`
[INFO] [stdout] 1f93ee84ed875ec3964f3b35930cced8726fa4fd49d2dd415f834c85afd4fe8a