[INFO] fetching crate traversal 0.1.2...
[INFO] testing traversal-0.1.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate traversal 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate traversal 0.1.2 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 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-5/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 39d8e500d272a2a1226218281f0ed61dac293f261e09c369974cf73b3ad9d928
[INFO] running `"docker" "start" "-a" "39d8e500d272a2a1226218281f0ed61dac293f261e09c369974cf73b3ad9d928"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling traversal v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "39d8e500d272a2a1226218281f0ed61dac293f261e09c369974cf73b3ad9d928"`
[INFO] running `"docker" "rm" "-f" "39d8e500d272a2a1226218281f0ed61dac293f261e09c369974cf73b3ad9d928"`
[INFO] [stdout] 39d8e500d272a2a1226218281f0ed61dac293f261e09c369974cf73b3ad9d928
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 933f07ec43c824fa6e730ca332ecbb28430aa136cbedefea55506d05c70b94b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "933f07ec43c824fa6e730ca332ecbb28430aa136cbedefea55506d05c70b94b7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling traversal v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `"docker" "inspect" "933f07ec43c824fa6e730ca332ecbb28430aa136cbedefea55506d05c70b94b7"`
[INFO] running `"docker" "rm" "-f" "933f07ec43c824fa6e730ca332ecbb28430aa136cbedefea55506d05c70b94b7"`
[INFO] [stdout] 933f07ec43c824fa6e730ca332ecbb28430aa136cbedefea55506d05c70b94b7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f0aaabaeb09a10bd02ecb463a879a2b175b1e6a6ef6c4f30a45b40fda32fa44d
[INFO] running `"docker" "start" "-a" "f0aaabaeb09a10bd02ecb463a879a2b175b1e6a6ef6c4f30a45b40fda32fa44d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/traversal-eaef7b07166d474b
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test dft_paths::tests::dft_paths ... ok
[INFO] [stdout] test dft_post_rev::tests::dft_post ... ok
[INFO] [stdout] test dft_post::tests::dft_post ... ok
[INFO] [stdout] test dft_pre_rev::tests::dft_pre_rev ... ok
[INFO] [stdout] test tests::lib_example_cycles ... ok
[INFO] [stdout] test dft_pre_rev::tests::dft_pre ... ok
[INFO] [stdout] test tests::lib_example_paths ... ok
[INFO] [stdout] test dft_post_rev::tests::dft_post_rev ... ok
[INFO] [stdout] test dft_pre::tests::dft_pre ... ok
[INFO] [stdout] test dft_pre::tests::dft_pre_no_size ... ok
[INFO] [stdout] test dft_cycles::tests::dft_cycles ... ok
[INFO] [stdout] test dft_longest_paths::tests::dft_longest_paths ... ok
[INFO] [stdout] test bft::tests::bft ... ok
[INFO] [stdout] test tests::lib_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests traversal
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/bft.rs - bft::Bft (line 19) ... ok
[INFO] [stdout] test src/lib.rs - dft_post (line 252) ... 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/lib.rs - dft_post_rev (line 347) ... ok
[INFO] [stdout] test src/dft_pre.rs - dft_pre::DftPre (line 18) ... ok
[INFO] [stdout] test src/dft_post_rev.rs - dft_post_rev::DftPostRev (line 18) ... ok
[INFO] [stdout] test src/lib.rs - dft_paths (line 394) ... ok
[INFO] [stdout] test src/dft_longest_paths.rs - dft_longest_paths::DftLongestPaths (line 22) ... ok
[INFO] [stdout] test src/dft_paths.rs - dft_paths::DftPaths (line 21) ... ok
[INFO] [stdout] test src/dft_post.rs - dft_post::DftPost (line 19) ... ok
[INFO] [stdout] test src/lib.rs - dft_longest_paths (line 440) ... ok
[INFO] [stdout] test src/lib.rs - dft_pre_rev (line 300) ... 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] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f0aaabaeb09a10bd02ecb463a879a2b175b1e6a6ef6c4f30a45b40fda32fa44d"`
[INFO] running `"docker" "rm" "-f" "f0aaabaeb09a10bd02ecb463a879a2b175b1e6a6ef6c4f30a45b40fda32fa44d"`
[INFO] [stdout] f0aaabaeb09a10bd02ecb463a879a2b175b1e6a6ef6c4f30a45b40fda32fa44d