[INFO] fetching crate traversal 0.1.2...
[INFO] testing traversal-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate traversal 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate traversal 0.1.2 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 traversal 0.1.2
[INFO] finished tweaking crates.io crate traversal 0.1.2
[INFO] tweaked toml for crates.io crate traversal 0.1.2 written to /workspace/builds/worker-2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 50f69be28ba886d0aaebb7ec496a4fa6f7d7b97bdb2a070a71b59d9df39a6482
[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" "50f69be28ba886d0aaebb7ec496a4fa6f7d7b97bdb2a070a71b59d9df39a6482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50f69be28ba886d0aaebb7ec496a4fa6f7d7b97bdb2a070a71b59d9df39a6482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f69be28ba886d0aaebb7ec496a4fa6f7d7b97bdb2a070a71b59d9df39a6482", kill_on_drop: false }`
[INFO] [stdout] 50f69be28ba886d0aaebb7ec496a4fa6f7d7b97bdb2a070a71b59d9df39a6482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 17e9ad4343a42105d390103899f23418d4eea5029dd9f50080928f9c9d697739
[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" "17e9ad4343a42105d390103899f23418d4eea5029dd9f50080928f9c9d697739", kill_on_drop: false }`
[INFO] [stderr]    Compiling traversal v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "17e9ad4343a42105d390103899f23418d4eea5029dd9f50080928f9c9d697739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e9ad4343a42105d390103899f23418d4eea5029dd9f50080928f9c9d697739", kill_on_drop: false }`
[INFO] [stdout] 17e9ad4343a42105d390103899f23418d4eea5029dd9f50080928f9c9d697739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b5b731779d3fe5b66d87e8e6dacb8ea7782e0c7ee905ff2f52da0f03c67ba6e9
[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" "b5b731779d3fe5b66d87e8e6dacb8ea7782e0c7ee905ff2f52da0f03c67ba6e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling traversal v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "b5b731779d3fe5b66d87e8e6dacb8ea7782e0c7ee905ff2f52da0f03c67ba6e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b731779d3fe5b66d87e8e6dacb8ea7782e0c7ee905ff2f52da0f03c67ba6e9", kill_on_drop: false }`
[INFO] [stdout] b5b731779d3fe5b66d87e8e6dacb8ea7782e0c7ee905ff2f52da0f03c67ba6e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 527c2c99bc4b0e8d8560dcdaddb974cd20de41eaa6c6f7d6b9ecca63d3542544
[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" "527c2c99bc4b0e8d8560dcdaddb974cd20de41eaa6c6f7d6b9ecca63d3542544", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/traversal-e13319c8dade587d
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test bft::tests::bft ... ok
[INFO] [stdout] test dft_longest_paths::tests::dft_longest_paths ... ok
[INFO] [stderr]    Doc-tests traversal
[INFO] [stdout] test dft_paths::tests::dft_paths ... ok
[INFO] [stdout] test tests::lib_example_cycles ... ok
[INFO] [stdout] test dft_pre::tests::dft_pre ... ok
[INFO] [stdout] test tests::lib_example_paths ... ok
[INFO] [stdout] test dft_post_rev::tests::dft_post ... ok
[INFO] [stdout] test dft_pre_rev::tests::dft_pre_rev ... ok
[INFO] [stdout] test dft_cycles::tests::dft_cycles ... ok
[INFO] [stdout] test tests::lib_example ... ok
[INFO] [stdout] test dft_post_rev::tests::dft_post_rev ... ok
[INFO] [stdout] test dft_pre::tests::dft_pre_no_size ... ok
[INFO] [stdout] test dft_post::tests::dft_post ... ok
[INFO] [stdout] test dft_pre_rev::tests::dft_pre ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - dft_post_rev (line 347) ... ok
[INFO] [stdout] test src/lib.rs - dft_post (line 252) ... ok
[INFO] [stdout] test src/dft_post_rev.rs - dft_post_rev::DftPostRev (line 18) ... ok
[INFO] [stdout] test src/lib.rs - dft_longest_paths (line 440) ... ok
[INFO] [stdout] test src/dft_longest_paths.rs - dft_longest_paths::DftLongestPaths (line 22) ... ok
[INFO] [stdout] test src/dft_pre.rs - dft_pre::DftPre (line 18) ... ok
[INFO] [stdout] test src/dft_post.rs - dft_post::DftPost (line 19) ... ok
[INFO] [stdout] test src/lib.rs - bft (line 158) ... ok
[INFO] [stdout] test src/dft_pre_rev.rs - dft_pre_rev::DftPreRev (line 19) ... ok
[INFO] [stdout] test src/bft.rs - bft::Bft (line 19) ... ok
[INFO] [stdout] test src/lib.rs - dft_paths (line 394) ... ok
[INFO] [stdout] test src/dft_paths.rs - dft_paths::DftPaths (line 21) ... ok
[INFO] [stdout] test src/lib.rs - dft_pre (line 205) ... ok
[INFO] [stdout] test src/lib.rs - dft_cycles (line 484) ... ok
[INFO] [stdout] test src/dft_cycles.rs - dft_cycles::DftCycles (line 23) ... ok
[INFO] [stdout] test src/lib.rs - dft_pre_rev (line 300) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "527c2c99bc4b0e8d8560dcdaddb974cd20de41eaa6c6f7d6b9ecca63d3542544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527c2c99bc4b0e8d8560dcdaddb974cd20de41eaa6c6f7d6b9ecca63d3542544", kill_on_drop: false }`
[INFO] [stdout] 527c2c99bc4b0e8d8560dcdaddb974cd20de41eaa6c6f7d6b9ecca63d3542544