[INFO] fetching crate traverse 0.0.12...
[INFO] testing traverse-0.0.12 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate traverse 0.0.12 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate traverse 0.0.12 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22f33587fedb035620ca6ed5d2446a6cfe5b68c30d76e3878e29de814a3bd425
[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" "22f33587fedb035620ca6ed5d2446a6cfe5b68c30d76e3878e29de814a3bd425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22f33587fedb035620ca6ed5d2446a6cfe5b68c30d76e3878e29de814a3bd425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f33587fedb035620ca6ed5d2446a6cfe5b68c30d76e3878e29de814a3bd425", kill_on_drop: false }`
[INFO] [stdout] 22f33587fedb035620ca6ed5d2446a6cfe5b68c30d76e3878e29de814a3bd425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] cf67e10658a5bd7045670539f1270312d97a28c841d4ef0a48689ce25a370ef6
[INFO] running `Command { std: "docker" "start" "-a" "cf67e10658a5bd7045670539f1270312d97a28c841d4ef0a48689ce25a370ef6", 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 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-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[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 10.67s
[INFO] running `Command { std: "docker" "inspect" "cf67e10658a5bd7045670539f1270312d97a28c841d4ef0a48689ce25a370ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf67e10658a5bd7045670539f1270312d97a28c841d4ef0a48689ce25a370ef6", kill_on_drop: false }`
[INFO] [stdout] cf67e10658a5bd7045670539f1270312d97a28c841d4ef0a48689ce25a370ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e46df7b0a42d70ded665016c4f124082853f7af230727f7e4be25e3831046156
[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" "e46df7b0a42d70ded665016c4f124082853f7af230727f7e4be25e3831046156", 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 libc v0.2.74
[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 12.04s
[INFO] running `Command { std: "docker" "inspect" "e46df7b0a42d70ded665016c4f124082853f7af230727f7e4be25e3831046156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46df7b0a42d70ded665016c4f124082853f7af230727f7e4be25e3831046156", kill_on_drop: false }`
[INFO] [stdout] e46df7b0a42d70ded665016c4f124082853f7af230727f7e4be25e3831046156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f31daed8232b857df67d3831d06d8ee1298a61ecf4fbbc38f0c8de384c01907d
[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" "f31daed8232b857df67d3831d06d8ee1298a61ecf4fbbc38f0c8de384c01907d", 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] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 21 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/traverse-3cc19af40e72b12d
[INFO] [stdout] test ext::test::chain ... ok
[INFO] [stdout] test ext::test::map ... ok
[INFO] [stdout] test ext::test::enumerate ... 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 impls::vec::test::test_basic ... ok
[INFO] [stdout] test impls::slice::test::test_zero_size ... ok
[INFO] [stdout] test ext::test::inspect ... ok
[INFO] [stdout] test impls::vec::test::test_zero_size ... 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 impls::slice::test::test_basic ... ok
[INFO] [stdout] test ext::test::take_while ... ok
[INFO] [stdout] test ext::test::cloned ... ok
[INFO] [stdout] test utils::test::test_range_step ... ok
[INFO] [stdout] test utils::test::test_repeat ... ok
[INFO] [stdout] test ext::test::filter ... ok
[INFO] [stdout] test ext::test::skip_while ... 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-8317d65057bde686
[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" "f31daed8232b857df67d3831d06d8ee1298a61ecf4fbbc38f0c8de384c01907d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31daed8232b857df67d3831d06d8ee1298a61ecf4fbbc38f0c8de384c01907d", kill_on_drop: false }`
[INFO] [stdout] f31daed8232b857df67d3831d06d8ee1298a61ecf4fbbc38f0c8de384c01907d