[INFO] fetching crate traverse 0.0.12...
[INFO] testing traverse-0.0.12 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate traverse 0.0.12 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate traverse 0.0.12 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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 `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df22dc0f8ce4e62952282dc1b0c2ac2bca56a3f5d1bac65f50c8ef6f3ebc068e
[INFO] running `"docker" "start" "-a" "df22dc0f8ce4e62952282dc1b0c2ac2bca56a3f5d1bac65f50c8ef6f3ebc068e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 num-traits v0.2.11
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling traverse v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `"docker" "inspect" "df22dc0f8ce4e62952282dc1b0c2ac2bca56a3f5d1bac65f50c8ef6f3ebc068e"`
[INFO] running `"docker" "rm" "-f" "df22dc0f8ce4e62952282dc1b0c2ac2bca56a3f5d1bac65f50c8ef6f3ebc068e"`
[INFO] [stdout] df22dc0f8ce4e62952282dc1b0c2ac2bca56a3f5d1bac65f50c8ef6f3ebc068e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3f26da2a934bdc22c08aeb6c70397cb0eaedf616c74f3ebe7324b37f9d0ae62
[INFO] running `"docker" "start" "-a" "d3f26da2a934bdc22c08aeb6c70397cb0eaedf616c74f3ebe7324b37f9d0ae62"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 libc v0.2.71
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[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 10.25s
[INFO] running `"docker" "inspect" "d3f26da2a934bdc22c08aeb6c70397cb0eaedf616c74f3ebe7324b37f9d0ae62"`
[INFO] running `"docker" "rm" "-f" "d3f26da2a934bdc22c08aeb6c70397cb0eaedf616c74f3ebe7324b37f9d0ae62"`
[INFO] [stdout] d3f26da2a934bdc22c08aeb6c70397cb0eaedf616c74f3ebe7324b37f9d0ae62
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c2ad0369162cafa4d25500e2d737fc013331931c38e91708f3769b1a8275e16a
[INFO] running `"docker" "start" "-a" "c2ad0369162cafa4d25500e2d737fc013331931c38e91708f3769b1a8275e16a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/traverse-01ce399db2fda414
[INFO] [stdout] running 21 tests
[INFO] [stdout] test impls::slice::test::test_zero_size ... ok
[INFO] [stdout] test impls::slice::test::test_basic ... ok
[INFO] [stdout] test ext::test::cloned ... ok
[INFO] [stdout] test ext::test::take_while ... ok
[INFO] [stdout] test impls::vec::test::test_zero_size ... ok
[INFO] [stdout] test utils::test::test_range_step ... ok
[INFO] [stdout] test utils::test::test_iterate ... 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_inclusive ... ok
[INFO] [stdout] test ext::test::skip_while ... ok
[INFO] [stdout] test ext::test::inspect ... ok
[INFO] [stdout] test ext::test::skip ... ok
[INFO] [stdout] test ext::test::filter_map ... ok
[INFO] [stdout] test ext::test::take ... ok
[INFO] [stdout] test ext::test::map ... ok
[INFO] [stdout] test ext::test::chain ... ok
[INFO] [stdout] test utils::test::test_repeat ... ok
[INFO] [stdout] test impls::vec::test::test_basic ... ok
[INFO] [stdout] test ext::test::enumerate ... ok
[INFO] [stdout] test ext::test::filter ... 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-0f512a013e08aad1
[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 `"docker" "inspect" "c2ad0369162cafa4d25500e2d737fc013331931c38e91708f3769b1a8275e16a"`
[INFO] running `"docker" "rm" "-f" "c2ad0369162cafa4d25500e2d737fc013331931c38e91708f3769b1a8275e16a"`
[INFO] [stdout] c2ad0369162cafa4d25500e2d737fc013331931c38e91708f3769b1a8275e16a