[INFO] fetching crate length 0.2.0...
[INFO] testing length-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate length 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate length 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate length 0.2.0
[INFO] finished tweaking crates.io crate length 0.2.0
[INFO] tweaked toml for crates.io crate length 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1780ec2b8940a09ce365f29ee940f48948c61d857a11ed0e08fc9cc7a03136d
[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" "b1780ec2b8940a09ce365f29ee940f48948c61d857a11ed0e08fc9cc7a03136d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1780ec2b8940a09ce365f29ee940f48948c61d857a11ed0e08fc9cc7a03136d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1780ec2b8940a09ce365f29ee940f48948c61d857a11ed0e08fc9cc7a03136d", kill_on_drop: false }`
[INFO] [stdout] b1780ec2b8940a09ce365f29ee940f48948c61d857a11ed0e08fc9cc7a03136d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 888d62341a0f094a9bb53b0deb4d97fc7fb9aaf0d115430a23468d795cc07005
[INFO] running `Command { std: "docker" "start" "-a" "888d62341a0f094a9bb53b0deb4d97fc7fb9aaf0d115430a23468d795cc07005", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling length v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.98s
[INFO] running `Command { std: "docker" "inspect" "888d62341a0f094a9bb53b0deb4d97fc7fb9aaf0d115430a23468d795cc07005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888d62341a0f094a9bb53b0deb4d97fc7fb9aaf0d115430a23468d795cc07005", kill_on_drop: false }`
[INFO] [stdout] 888d62341a0f094a9bb53b0deb4d97fc7fb9aaf0d115430a23468d795cc07005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0f2297222d1caaa9fd68cce1e1b44db5b675c364b47553b4a3ab95eb353af96
[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" "c0f2297222d1caaa9fd68cce1e1b44db5b675c364b47553b4a3ab95eb353af96", kill_on_drop: false }`
[INFO] [stderr]    Compiling length v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "c0f2297222d1caaa9fd68cce1e1b44db5b675c364b47553b4a3ab95eb353af96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f2297222d1caaa9fd68cce1e1b44db5b675c364b47553b4a3ab95eb353af96", kill_on_drop: false }`
[INFO] [stdout] c0f2297222d1caaa9fd68cce1e1b44db5b675c364b47553b4a3ab95eb353af96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 310dc919af21e0196010859be83dfae0725b7509559ecf4c4aeff14db4ff7217
[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" "310dc919af21e0196010859be83dfae0725b7509559ecf4c4aeff14db4ff7217", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/length-2d645ebc6b91cf16)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-e53bb417698b9181)
[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] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test test_foot_to_x ... ok
[INFO] [stdout] test test_from_m_to_x ... ok
[INFO] [stdout] test test_from_mm_to_x ... ok
[INFO] [stdout] test test_add_by_ref ... ok
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_imperial_to_astronomic ... ok
[INFO] [stdout] test test_from_dm_to_x ... ok
[INFO] [stdout] test test_from_km_to_x ... ok
[INFO] [stdout] test test_astronomic_to_metric ... ok
[INFO] [stdout] test test_from_cm_to_x ... ok
[INFO] [stdout] test test_from_km_to_x_by_ref ... ok
[INFO] [stdout] test test_imperial_to_metric ... ok
[INFO] [stdout] test test_default ... ok
[INFO] [stderr]    Doc-tests length
[INFO] [stdout] test test_get_original_string ... ok
[INFO] [stdout] test test_new_string ... ok
[INFO] [stdout] test test_au_to_x ... ok
[INFO] [stdout] test test_new_value_unit ... ok
[INFO] [stdout] test test_multiply_by ... ok
[INFO] [stdout] test test_astronomic_to_imperial ... ok
[INFO] [stdout] test test_multiply_by_ref ... ok
[INFO] [stdout] test test_new ... ok
[INFO] [stdout] test test_inch_to_x ... ok
[INFO] [stdout] test test_ly_to_x ... ok
[INFO] [stdout] test test_metric_to_astronomic ... ok
[INFO] [stdout] test test_metric_to_imperial ... ok
[INFO] [stdout] test test_mile_to_x ... ok
[INFO] [stdout] test test_new_value_unit_with_simplified_unit ... ok
[INFO] [stdout] test test_divide_by_ref ... ok
[INFO] [stdout] test test_divide_by ... ok
[INFO] [stdout] test test_normalize ... ok
[INFO] [stdout] test test_to_string_for_astronomics ... ok
[INFO] [stdout] test test_yard_to_x ... ok
[INFO] [stdout] test test_pc_to_x ... ok
[INFO] [stdout] test test_to_string_for_imperials ... ok
[INFO] [stdout] test test_to_string_for_metrics ... ok
[INFO] [stdout] test test_subtract ... ok
[INFO] [stdout] test test_subtract_by_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 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 length --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rlib --extern length=/opt/rustwide/target/debug/deps/liblength-d7fa44d916ab6a5c.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-dd9363dd410b6a25.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "310dc919af21e0196010859be83dfae0725b7509559ecf4c4aeff14db4ff7217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310dc919af21e0196010859be83dfae0725b7509559ecf4c4aeff14db4ff7217", kill_on_drop: false }`
[INFO] [stdout] 310dc919af21e0196010859be83dfae0725b7509559ecf4c4aeff14db4ff7217