[INFO] fetching crate petname 1.0.13...
[INFO] testing petname-1.0.13 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate petname 1.0.13 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate petname 1.0.13 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate petname 1.0.13
[INFO] finished tweaking crates.io crate petname 1.0.13
[INFO] tweaked toml for crates.io crate petname 1.0.13 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate petname 1.0.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "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] fc4d04213b442d52e270329ae1f6175c6c827c091a13097a33dfd462c3838cb9
[INFO] running `Command { std: "docker" "start" "-a" "fc4d04213b442d52e270329ae1f6175c6c827c091a13097a33dfd462c3838cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc4d04213b442d52e270329ae1f6175c6c827c091a13097a33dfd462c3838cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4d04213b442d52e270329ae1f6175c6c827c091a13097a33dfd462c3838cb9", kill_on_drop: false }`
[INFO] [stdout] fc4d04213b442d52e270329ae1f6175c6c827c091a13097a33dfd462c3838cb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58cb0daef7e734fe5ad7e64183eaf2cf0e3f0f313dc9fb77f458c2708e5be5c3
[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" "58cb0daef7e734fe5ad7e64183eaf2cf0e3f0f313dc9fb77f458c2708e5be5c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling petname v1.0.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.75s
[INFO] running `Command { std: "docker" "inspect" "58cb0daef7e734fe5ad7e64183eaf2cf0e3f0f313dc9fb77f458c2708e5be5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cb0daef7e734fe5ad7e64183eaf2cf0e3f0f313dc9fb77f458c2708e5be5c3", kill_on_drop: false }`
[INFO] [stdout] 58cb0daef7e734fe5ad7e64183eaf2cf0e3f0f313dc9fb77f458c2708e5be5c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b91e2b57bc0ba64a9875276490d527b274fdd72ae86abb86583c63b5e4137011
[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" "b91e2b57bc0ba64a9875276490d527b274fdd72ae86abb86583c63b5e4137011", kill_on_drop: false }`
[INFO] [stderr]    Compiling petname v1.0.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "b91e2b57bc0ba64a9875276490d527b274fdd72ae86abb86583c63b5e4137011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91e2b57bc0ba64a9875276490d527b274fdd72ae86abb86583c63b5e4137011", kill_on_drop: false }`
[INFO] [stdout] b91e2b57bc0ba64a9875276490d527b274fdd72ae86abb86583c63b5e4137011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ffde6abf8f339dfdfc9cc0b9c0044fbf2e2fdf7e7d5aa300073560db992324e
[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" "6ffde6abf8f339dfdfc9cc0b9c0044fbf2e2fdf7e7d5aa300073560db992324e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/petname-39d1fb8c6c347868
[INFO] [stdout] test tests::generate_uses_adverb_adjective_name ... ok
[INFO] [stdout] test tests::petnames_iter_yields_names ... ok
[INFO] [stdout] test tests::petnames_iter_has_cardinality ... ok
[INFO] [stdout] test tests::retain_applies_given_predicate ... ok
[INFO] [stdout] test tests::default_petnames_has_names ... ok
[INFO] [stdout] test tests::default_petnames_has_adjectives ... ok
[INFO] [stdout] test tests::petname_renders_desired_number_of_words ... ok
[INFO] [stdout] test tests::petname_renders_with_desired_separator ... ok
[INFO] [stdout] test tests::default_petnames_has_non_zero_cardinality ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/petname-5ea1486317c0fac9
[INFO] [stdout] test tests::default_petnames_has_adverbs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test lib::tests::default_petnames_has_non_zero_cardinality ... ok
[INFO] [stdout] test lib::tests::petnames_iter_yields_names ... ok
[INFO] [stdout] test lib::tests::generate_uses_adverb_adjective_name ... ok
[INFO] [stdout] test lib::tests::retain_applies_given_predicate ... ok
[INFO] [stdout] test lib::tests::petname_renders_desired_number_of_words ... ok
[INFO] [stderr]    Doc-tests petname
[INFO] [stdout] test lib::tests::default_petnames_has_names ... ok
[INFO] [stdout] test lib::tests::default_petnames_has_adjectives ... ok
[INFO] [stdout] test lib::tests::petname_renders_with_desired_separator ... ok
[INFO] [stdout] test lib::tests::default_petnames_has_adverbs ... ok
[INFO] [stdout] test lib::tests::petnames_iter_has_cardinality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Petnames::generate (line 113) ... ok
[INFO] [stdout] test src/lib.rs - Petnames::retain (line 76) ... ok
[INFO] [stdout] test src/lib.rs - Petnames::iter (line 148) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ffde6abf8f339dfdfc9cc0b9c0044fbf2e2fdf7e7d5aa300073560db992324e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ffde6abf8f339dfdfc9cc0b9c0044fbf2e2fdf7e7d5aa300073560db992324e", kill_on_drop: false }`
[INFO] [stdout] 6ffde6abf8f339dfdfc9cc0b9c0044fbf2e2fdf7e7d5aa300073560db992324e