[INFO] fetching crate mtrs 0.2.0...
[INFO] testing mtrs-0.2.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mtrs 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mtrs 0.2.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mtrs 0.2.0
[INFO] finished tweaking crates.io crate mtrs 0.2.0
[INFO] tweaked toml for crates.io crate mtrs 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04bfbdfdbdc0dc188f966699340cd8e2e89b0fc39537df02a3c7330dae3d45eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "04bfbdfdbdc0dc188f966699340cd8e2e89b0fc39537df02a3c7330dae3d45eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04bfbdfdbdc0dc188f966699340cd8e2e89b0fc39537df02a3c7330dae3d45eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04bfbdfdbdc0dc188f966699340cd8e2e89b0fc39537df02a3c7330dae3d45eb", kill_on_drop: false }`
[INFO] [stdout] 04bfbdfdbdc0dc188f966699340cd8e2e89b0fc39537df02a3c7330dae3d45eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55717395bdd51401851608856ef6b5755451c634fab289e24ae96368b5ccc8ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "55717395bdd51401851608856ef6b5755451c634fab289e24ae96368b5ccc8ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "55717395bdd51401851608856ef6b5755451c634fab289e24ae96368b5ccc8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55717395bdd51401851608856ef6b5755451c634fab289e24ae96368b5ccc8ce", kill_on_drop: false }`
[INFO] [stdout] 55717395bdd51401851608856ef6b5755451c634fab289e24ae96368b5ccc8ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5398bf8f67709325874ac7d25ea870d1764f56aecfc424887339b24f218cf19
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b5398bf8f67709325874ac7d25ea870d1764f56aecfc424887339b24f218cf19", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "b5398bf8f67709325874ac7d25ea870d1764f56aecfc424887339b24f218cf19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5398bf8f67709325874ac7d25ea870d1764f56aecfc424887339b24f218cf19", kill_on_drop: false }`
[INFO] [stdout] b5398bf8f67709325874ac7d25ea870d1764f56aecfc424887339b24f218cf19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3015733109d87c14427e0389087c8cd2f42db302463ba20c1b37b517baa43279
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3015733109d87c14427e0389087c8cd2f42db302463ba20c1b37b517baa43279", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mtrs-2a460fde014e32c3)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test matrix::matrix_tests::test_erase ... ok
[INFO] [stdout] test matrix::matrix_tests::test_resize ... ok
[INFO] [stderr]    Doc-tests mtrs
[INFO] [stdout] test impls::math::math_tests::test_ops ... ok
[INFO] [stdout] test matrix::matrix_tests::test_diagonal ... ok
[INFO] [stdout] test matrix::matrix_tests::test_empty_matrix ... ok
[INFO] [stdout] test main_tests::test_values ... ok
[INFO] [stdout] test matrix::matrix_tests::test_cols ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name mtrs --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-51af01dd5dc637e6.rlib --extern mtrs=/opt/rustwide/target/debug/deps/libmtrs-bb89722397b88f17.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-d2f26dc32356e531.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3015733109d87c14427e0389087c8cd2f42db302463ba20c1b37b517baa43279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3015733109d87c14427e0389087c8cd2f42db302463ba20c1b37b517baa43279", kill_on_drop: false }`
[INFO] [stdout] 3015733109d87c14427e0389087c8cd2f42db302463ba20c1b37b517baa43279