[INFO] crate traverse 0.0.12 is already in cache
[INFO] testing traverse-0.0.12 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate traverse 0.0.12 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate traverse 0.0.12 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate traverse 0.0.12
[INFO] finished tweaking crates.io crate traverse 0.0.12
[INFO] tweaked toml for crates.io crate traverse 0.0.12 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (num) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18f8be07ad643f0fbdf997c855538b17ea9801855f06c90b75162b53d936bfdd
[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" "18f8be07ad643f0fbdf997c855538b17ea9801855f06c90b75162b53d936bfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f8be07ad643f0fbdf997c855538b17ea9801855f06c90b75162b53d936bfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f8be07ad643f0fbdf997c855538b17ea9801855f06c90b75162b53d936bfdd", kill_on_drop: false }`
[INFO] [stdout] 18f8be07ad643f0fbdf997c855538b17ea9801855f06c90b75162b53d936bfdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 230593e8a29c64feb5b14985960cb4389da9d259ff8b41e60e1f5acf0a52b95e
[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" "230593e8a29c64feb5b14985960cb4389da9d259ff8b41e60e1f5acf0a52b95e", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (num) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling traverse v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.44s
[INFO] running `Command { std: "docker" "inspect" "230593e8a29c64feb5b14985960cb4389da9d259ff8b41e60e1f5acf0a52b95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230593e8a29c64feb5b14985960cb4389da9d259ff8b41e60e1f5acf0a52b95e", kill_on_drop: false }`
[INFO] [stdout] 230593e8a29c64feb5b14985960cb4389da9d259ff8b41e60e1f5acf0a52b95e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--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] 52edf67b04a854fc2ffc9bc570f3d46c232379a084ccef5bb8e11eace7fdeefb
[INFO] running `Command { std: "docker" "start" "-a" "52edf67b04a854fc2ffc9bc570f3d46c232379a084ccef5bb8e11eace7fdeefb", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (num) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling traverse v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.78s
[INFO] running `Command { std: "docker" "inspect" "52edf67b04a854fc2ffc9bc570f3d46c232379a084ccef5bb8e11eace7fdeefb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52edf67b04a854fc2ffc9bc570f3d46c232379a084ccef5bb8e11eace7fdeefb", kill_on_drop: false }`
[INFO] [stdout] 52edf67b04a854fc2ffc9bc570f3d46c232379a084ccef5bb8e11eace7fdeefb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 711c745f133fc94338d75cce2591fa307eaeb48e00a4e959dd42bd2b8230d7d6
[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" "711c745f133fc94338d75cce2591fa307eaeb48e00a4e959dd42bd2b8230d7d6", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (num) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/traverse-90601778f07f2482
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test ext::test::take_while ... ok
[INFO] [stdout] test ext::test::take ... ok
[INFO] [stdout] test ext::test::skip_while ... ok
[INFO] [stdout] test utils::test::test_range ... ok
[INFO] [stdout] test utils::test::test_range_inclusive ... ok
[INFO] [stdout] test utils::test::test_range_step ... ok
[INFO] [stdout] test utils::test::test_range_step_inclusive ... ok
[INFO] [stdout] test utils::test::test_repeat ... ok
[INFO] [stdout] test impls::slice::test::test_basic ... ok
[INFO] [stdout] test impls::slice::test::test_zero_size ... ok
[INFO] [stdout] test ext::test::inspect ... ok
[INFO] [stdout] test ext::test::filter_map ... ok
[INFO] [stdout] test ext::test::skip ... ok
[INFO] [stdout] test ext::test::chain ... ok
[INFO] [stdout] test ext::test::filter ... ok
[INFO] [stdout] test ext::test::enumerate ... ok
[INFO] [stdout] test ext::test::map ... ok
[INFO] [stdout] test impls::vec::test::test_basic ... ok
[INFO] [stdout] test impls::vec::test::test_zero_size ... ok
[INFO] [stdout] test ext::test::cloned ... ok
[INFO] [stdout] test utils::test::test_iterate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-dd9374892d3df552
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test quickcheck_map ... ok
[INFO] [stdout] test quickcheck_filter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests traverse
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "711c745f133fc94338d75cce2591fa307eaeb48e00a4e959dd42bd2b8230d7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "711c745f133fc94338d75cce2591fa307eaeb48e00a4e959dd42bd2b8230d7d6", kill_on_drop: false }`
[INFO] [stdout] 711c745f133fc94338d75cce2591fa307eaeb48e00a4e959dd42bd2b8230d7d6