[INFO] fetching crate lin_algebra 0.2.0...
[INFO] testing lin_algebra-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate lin_algebra 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate lin_algebra 0.2.0
[INFO] finished tweaking crates.io crate lin_algebra 0.2.0
[INFO] tweaked toml for crates.io crate lin_algebra 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lin_algebra 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 221fc6a1fcb7333718b0ae3bc622c217d9bc767303b6ec7f9b5dbdb057b6a97d
[INFO] running `Command { std: "docker" "start" "-a" "221fc6a1fcb7333718b0ae3bc622c217d9bc767303b6ec7f9b5dbdb057b6a97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "221fc6a1fcb7333718b0ae3bc622c217d9bc767303b6ec7f9b5dbdb057b6a97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221fc6a1fcb7333718b0ae3bc622c217d9bc767303b6ec7f9b5dbdb057b6a97d", kill_on_drop: false }`
[INFO] [stdout] 221fc6a1fcb7333718b0ae3bc622c217d9bc767303b6ec7f9b5dbdb057b6a97d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5fcf2fb1da7724a523338cfc36743ec855085a2cbf4988b82af53b4b9bd20ddc
[INFO] running `Command { std: "docker" "start" "-a" "5fcf2fb1da7724a523338cfc36743ec855085a2cbf4988b82af53b4b9bd20ddc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lin_algebra v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "5fcf2fb1da7724a523338cfc36743ec855085a2cbf4988b82af53b4b9bd20ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fcf2fb1da7724a523338cfc36743ec855085a2cbf4988b82af53b4b9bd20ddc", kill_on_drop: false }`
[INFO] [stdout] 5fcf2fb1da7724a523338cfc36743ec855085a2cbf4988b82af53b4b9bd20ddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 50ed6c2d77eb4c5217c6a572f3dfead318dc4e24c77473f1926952c297aef2e1
[INFO] running `Command { std: "docker" "start" "-a" "50ed6c2d77eb4c5217c6a572f3dfead318dc4e24c77473f1926952c297aef2e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling lin_algebra v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "50ed6c2d77eb4c5217c6a572f3dfead318dc4e24c77473f1926952c297aef2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ed6c2d77eb4c5217c6a572f3dfead318dc4e24c77473f1926952c297aef2e1", kill_on_drop: false }`
[INFO] [stdout] 50ed6c2d77eb4c5217c6a572f3dfead318dc4e24c77473f1926952c297aef2e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ef41d08f996fc7f7c6c70f96f4f87c963ec15def5f5cb5f459dfab9324f2c19e
[INFO] running `Command { std: "docker" "start" "-a" "ef41d08f996fc7f7c6c70f96f4f87c963ec15def5f5cb5f459dfab9324f2c19e", 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/lin_algebra-81fd819f377edc79)
[INFO] [stderr]    Doc-tests lin_algebra
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::echelon_form_matrix ... ok
[INFO] [stdout] test tests::echelon_form_ops ... ok
[INFO] [stdout] test tests::get_pivot ... ok
[INFO] [stdout] test tests::image ... ok
[INFO] [stdout] test tests::instantiate_matrix ... ok
[INFO] [stdout] test tests::is_reduced_echelon ... ok
[INFO] [stdout] test tests::is_reduced_echelon_zero_row ... ok
[INFO] [stdout] test tests::kernel ... ok
[INFO] [stdout] test tests::ncols_nrows ... ok
[INFO] [stdout] test tests::rank ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "ef41d08f996fc7f7c6c70f96f4f87c963ec15def5f5cb5f459dfab9324f2c19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef41d08f996fc7f7c6c70f96f4f87c963ec15def5f5cb5f459dfab9324f2c19e", kill_on_drop: false }`
[INFO] [stdout] ef41d08f996fc7f7c6c70f96f4f87c963ec15def5f5cb5f459dfab9324f2c19e