[INFO] fetching crate pluralize-rs 0.1.0...
[INFO] testing pluralize-rs-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate pluralize-rs 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pluralize-rs 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pluralize-rs 0.1.0
[INFO] finished tweaking crates.io crate pluralize-rs 0.1.0
[INFO] tweaked toml for crates.io crate pluralize-rs 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 3a4b46b8c78349261f697604b096b1bc8232041670c30e67b5d54e2c99271a1c
[INFO] running `Command { std: "docker" "start" "-a" "3a4b46b8c78349261f697604b096b1bc8232041670c30e67b5d54e2c99271a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a4b46b8c78349261f697604b096b1bc8232041670c30e67b5d54e2c99271a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a4b46b8c78349261f697604b096b1bc8232041670c30e67b5d54e2c99271a1c", kill_on_drop: false }`
[INFO] [stdout] 3a4b46b8c78349261f697604b096b1bc8232041670c30e67b5d54e2c99271a1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7374fe487a0a63eb75c9cd0ea34ca2c2ccb1a468be88012c053f33a959d5f9a
[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" "c7374fe487a0a63eb75c9cd0ea34ca2c2ccb1a468be88012c053f33a959d5f9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]    Compiling voca_rs v1.13.0
[INFO] [stderr]    Compiling pluralize-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.05s
[INFO] running `Command { std: "docker" "inspect" "c7374fe487a0a63eb75c9cd0ea34ca2c2ccb1a468be88012c053f33a959d5f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7374fe487a0a63eb75c9cd0ea34ca2c2ccb1a468be88012c053f33a959d5f9a", kill_on_drop: false }`
[INFO] [stdout] c7374fe487a0a63eb75c9cd0ea34ca2c2ccb1a468be88012c053f33a959d5f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bf81324d6db33a413624b7206a6febb1d43b61a351e19fa43fbd4bb818cae4f
[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" "7bf81324d6db33a413624b7206a6febb1d43b61a351e19fa43fbd4bb818cae4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pluralize-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "7bf81324d6db33a413624b7206a6febb1d43b61a351e19fa43fbd4bb818cae4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf81324d6db33a413624b7206a6febb1d43b61a351e19fa43fbd4bb818cae4f", kill_on_drop: false }`
[INFO] [stdout] 7bf81324d6db33a413624b7206a6febb1d43b61a351e19fa43fbd4bb818cae4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e77256e7344d195e20e2528e53d08ce7c3c545e83d9479b2326c6360e0d18e8f
[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" "e77256e7344d195e20e2528e53d08ce7c3c545e83d9479b2326c6360e0d18e8f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pluralize_rs-f494531d2106e84a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pluralize-rs
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - to_plural (line 129) ... ok
[INFO] [stdout] test src/lib.rs - to_singular (line 184) ... ok
[INFO] [stdout] test src/lib.rs - is_singular (line 210) ... ok
[INFO] [stdout] test src/lib.rs - is_uncountable (line 77) ... ok
[INFO] [stdout] test src/lib.rs - is_plural (line 155) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e77256e7344d195e20e2528e53d08ce7c3c545e83d9479b2326c6360e0d18e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77256e7344d195e20e2528e53d08ce7c3c545e83d9479b2326c6360e0d18e8f", kill_on_drop: false }`
[INFO] [stdout] e77256e7344d195e20e2528e53d08ce7c3c545e83d9479b2326c6360e0d18e8f