[INFO] crate plumtree 0.1.1 is already in cache
[INFO] testing plumtree-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate plumtree 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate plumtree 0.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate plumtree 0.1.1
[INFO] finished tweaking crates.io crate plumtree 0.1.1
[INFO] tweaked toml for crates.io crate plumtree 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] b00da2c069c079a011c477c3b26fb13d923115b565c0d87f126a32c0d6a5b296
[INFO] running `"docker" "start" "-a" "b00da2c069c079a011c477c3b26fb13d923115b565c0d87f126a32c0d6a5b296"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling plumtree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "b00da2c069c079a011c477c3b26fb13d923115b565c0d87f126a32c0d6a5b296"`
[INFO] running `"docker" "rm" "-f" "b00da2c069c079a011c477c3b26fb13d923115b565c0d87f126a32c0d6a5b296"`
[INFO] [stdout] b00da2c069c079a011c477c3b26fb13d923115b565c0d87f126a32c0d6a5b296
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cef93ff8a4698189287bc7c18e13e451ba3981b4257b0ccaf8fa7cdff3d6e94b
[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" "cef93ff8a4698189287bc7c18e13e451ba3981b4257b0ccaf8fa7cdff3d6e94b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling plumtree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "cef93ff8a4698189287bc7c18e13e451ba3981b4257b0ccaf8fa7cdff3d6e94b"`
[INFO] running `"docker" "rm" "-f" "cef93ff8a4698189287bc7c18e13e451ba3981b4257b0ccaf8fa7cdff3d6e94b"`
[INFO] [stdout] cef93ff8a4698189287bc7c18e13e451ba3981b4257b0ccaf8fa7cdff3d6e94b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 8f655f05985b13916df64a6e28d79a5c8ddf27e0be995917dca2776ec72f9be4
[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" "8f655f05985b13916df64a6e28d79a5c8ddf27e0be995917dca2776ec72f9be4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/plumtree-256533cd7193c26b
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::multi_node_works ... ok
[INFO] [stdout] test tests::single_node_works ... ok
[INFO] [stdout] test tests::many_node_works ... ok
[INFO] [stderr]    Doc-tests plumtree
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/time.rs - time::Clock::now (line 35) ... ok
[INFO] [stdout] test src/time.rs - time::Clock::new (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8f655f05985b13916df64a6e28d79a5c8ddf27e0be995917dca2776ec72f9be4"`
[INFO] running `"docker" "rm" "-f" "8f655f05985b13916df64a6e28d79a5c8ddf27e0be995917dca2776ec72f9be4"`
[INFO] [stdout] 8f655f05985b13916df64a6e28d79a5c8ddf27e0be995917dca2776ec72f9be4