[INFO] fetching crate length 0.2.0...
[INFO] testing length-0.2.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate length 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate length 0.2.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3304fca738afc8137b58a2054a2d043bf797042d42296447e26ff20ce3757d8f
[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" "3304fca738afc8137b58a2054a2d043bf797042d42296447e26ff20ce3757d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3304fca738afc8137b58a2054a2d043bf797042d42296447e26ff20ce3757d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3304fca738afc8137b58a2054a2d043bf797042d42296447e26ff20ce3757d8f", kill_on_drop: false }`
[INFO] [stdout] 3304fca738afc8137b58a2054a2d043bf797042d42296447e26ff20ce3757d8f
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d13d39b22e584ceaa08ca4da0704a0c39523df71f62d41b0779d4a4f5349c4
[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" "a2d13d39b22e584ceaa08ca4da0704a0c39523df71f62d41b0779d4a4f5349c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[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 8.15s
[INFO] running `Command { std: "docker" "inspect" "a2d13d39b22e584ceaa08ca4da0704a0c39523df71f62d41b0779d4a4f5349c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d13d39b22e584ceaa08ca4da0704a0c39523df71f62d41b0779d4a4f5349c4", kill_on_drop: false }`
[INFO] [stdout] a2d13d39b22e584ceaa08ca4da0704a0c39523df71f62d41b0779d4a4f5349c4
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a34b98c32c1fdf15b440c289930604385720bdfbc2b31a583c072ebf56c0ebbc
[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" "a34b98c32c1fdf15b440c289930604385720bdfbc2b31a583c072ebf56c0ebbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling length v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "a34b98c32c1fdf15b440c289930604385720bdfbc2b31a583c072ebf56c0ebbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34b98c32c1fdf15b440c289930604385720bdfbc2b31a583c072ebf56c0ebbc", kill_on_drop: false }`
[INFO] [stdout] a34b98c32c1fdf15b440c289930604385720bdfbc2b31a583c072ebf56c0ebbc
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7919ecaa2e37aa39306fb8af642b86668074cc4b76082a9be551e42bed5edbe6
[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" "7919ecaa2e37aa39306fb8af642b86668074cc4b76082a9be551e42bed5edbe6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/length-2c7cabd248a6eec6)
[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] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-19de521935a0cf7b)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test test_astronomic_to_metric ... ok
[INFO] [stdout] test test_imperial_to_astronomic ... ok
[INFO] [stdout] test test_imperial_to_metric ... ok
[INFO] [stdout] test test_from_mm_to_x ... 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_divide_by ... ok
[INFO] [stdout] test test_default ... ok
[INFO] [stdout] test test_from_km_to_x ... ok
[INFO] [stdout] test test_astronomic_to_imperial ... ok
[INFO] [stdout] test test_from_m_to_x ... ok
[INFO] [stdout] test test_from_km_to_x_by_ref ... ok
[INFO] [stdout] test test_au_to_x ... ok
[INFO] [stdout] test test_divide_by_ref ... ok
[INFO] [stdout] test test_foot_to_x ... ok
[INFO] [stdout] test test_from_cm_to_x ... ok
[INFO] [stdout] test test_from_dm_to_x ... ok
[INFO] [stdout] test test_get_original_string ... ok
[INFO] [stdout] test test_multiply_by ... ok
[INFO] [stdout] test test_multiply_by_ref ... ok
[INFO] [stdout] test test_to_string_for_metrics ... ok
[INFO] [stdout] test test_new_value_unit_with_simplified_unit ... ok
[INFO] [stdout] test test_new ... ok
[INFO] [stdout] test test_new_value_unit ... ok
[INFO] [stdout] test test_pc_to_x ... ok
[INFO] [stdout] test test_yard_to_x ... ok
[INFO] [stdout] test test_subtract_by_ref ... ok
[INFO] [stdout] test test_subtract ... ok
[INFO] [stdout] test test_to_string_for_astronomics ... ok
[INFO] [stdout] test test_to_string_for_imperials ... ok
[INFO] [stderr]    Doc-tests length
[INFO] [stdout] test test_new_string ... ok
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_normalize ... ok
[INFO] [stdout] test test_add_by_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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-f67718dd40129317.rlib --extern length=/opt/rustwide/target/debug/deps/liblength-9f707cdd51f7a07c.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-14edb7dff9ca13a5.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7919ecaa2e37aa39306fb8af642b86668074cc4b76082a9be551e42bed5edbe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7919ecaa2e37aa39306fb8af642b86668074cc4b76082a9be551e42bed5edbe6", kill_on_drop: false }`
[INFO] [stdout] 7919ecaa2e37aa39306fb8af642b86668074cc4b76082a9be551e42bed5edbe6