[INFO] fetching crate rust_basic_matrix 0.0.4...
[INFO] testing rust_basic_matrix-0.0.4 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate rust_basic_matrix 0.0.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rust_basic_matrix 0.0.4 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_basic_matrix 0.0.4
[INFO] finished tweaking crates.io crate rust_basic_matrix 0.0.4
[INFO] tweaked toml for crates.io crate rust_basic_matrix 0.0.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14679a9e83981a33a3fd6dc86fa2c0c415f3ed3b5d06024d236ffc4ce1576095
[INFO] running `Command { std: "docker" "start" "-a" "14679a9e83981a33a3fd6dc86fa2c0c415f3ed3b5d06024d236ffc4ce1576095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14679a9e83981a33a3fd6dc86fa2c0c415f3ed3b5d06024d236ffc4ce1576095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14679a9e83981a33a3fd6dc86fa2c0c415f3ed3b5d06024d236ffc4ce1576095", kill_on_drop: false }`
[INFO] [stdout] 14679a9e83981a33a3fd6dc86fa2c0c415f3ed3b5d06024d236ffc4ce1576095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cea9e8a969270029f1896a4fe42f1f3db60df957ff5f5e7b6f4915be3dbf9152
[INFO] running `Command { std: "docker" "start" "-a" "cea9e8a969270029f1896a4fe42f1f3db60df957ff5f5e7b6f4915be3dbf9152", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_basic_matrix v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "cea9e8a969270029f1896a4fe42f1f3db60df957ff5f5e7b6f4915be3dbf9152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea9e8a969270029f1896a4fe42f1f3db60df957ff5f5e7b6f4915be3dbf9152", kill_on_drop: false }`
[INFO] [stdout] cea9e8a969270029f1896a4fe42f1f3db60df957ff5f5e7b6f4915be3dbf9152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4016a98b1f62b7262c87bc6027e113a9e4b60904e30c34c938e4afc404d66d03
[INFO] running `Command { std: "docker" "start" "-a" "4016a98b1f62b7262c87bc6027e113a9e4b60904e30c34c938e4afc404d66d03", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_basic_matrix v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "4016a98b1f62b7262c87bc6027e113a9e4b60904e30c34c938e4afc404d66d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4016a98b1f62b7262c87bc6027e113a9e4b60904e30c34c938e4afc404d66d03", kill_on_drop: false }`
[INFO] [stdout] 4016a98b1f62b7262c87bc6027e113a9e4b60904e30c34c938e4afc404d66d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8dd5c502882d2f6c482102172a92d46525821d65780c485553fc3a6b65c71abc
[INFO] running `Command { std: "docker" "start" "-a" "8dd5c502882d2f6c482102172a92d46525821d65780c485553fc3a6b65c71abc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_basic_matrix-0efd38db995310c9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_basic_matrix
[INFO] [stdout] test result: ok. 0 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" "8dd5c502882d2f6c482102172a92d46525821d65780c485553fc3a6b65c71abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd5c502882d2f6c482102172a92d46525821d65780c485553fc3a6b65c71abc", kill_on_drop: false }`
[INFO] [stdout] 8dd5c502882d2f6c482102172a92d46525821d65780c485553fc3a6b65c71abc