[INFO] fetching crate ena 0.14.0...
[INFO] testing ena-0.14.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ena 0.14.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ena 0.14.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ena 0.14.0
[INFO] finished tweaking crates.io crate ena 0.14.0
[INFO] tweaked toml for crates.io crate ena 0.14.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dogged v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bfe19b8e675a40dcfd4deb02d3b43a05e7ed63fc5ff90161351888832642ed2
[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" "9bfe19b8e675a40dcfd4deb02d3b43a05e7ed63fc5ff90161351888832642ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bfe19b8e675a40dcfd4deb02d3b43a05e7ed63fc5ff90161351888832642ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bfe19b8e675a40dcfd4deb02d3b43a05e7ed63fc5ff90161351888832642ed2", kill_on_drop: false }`
[INFO] [stdout] 9bfe19b8e675a40dcfd4deb02d3b43a05e7ed63fc5ff90161351888832642ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 859f15f7ca387e3dbdbedaeced2b71bb27714b18245b71898098c3ce24900852
[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" "859f15f7ca387e3dbdbedaeced2b71bb27714b18245b71898098c3ce24900852", kill_on_drop: false }`
[INFO] [stderr]    Compiling ena v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "859f15f7ca387e3dbdbedaeced2b71bb27714b18245b71898098c3ce24900852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859f15f7ca387e3dbdbedaeced2b71bb27714b18245b71898098c3ce24900852", kill_on_drop: false }`
[INFO] [stdout] 859f15f7ca387e3dbdbedaeced2b71bb27714b18245b71898098c3ce24900852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] 349f5a86ff4ae1b584f708f9f240b8aa828965c623964df7223372d45b72cc2b
[INFO] running `Command { std: "docker" "start" "-a" "349f5a86ff4ae1b584f708f9f240b8aa828965c623964df7223372d45b72cc2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ena v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "349f5a86ff4ae1b584f708f9f240b8aa828965c623964df7223372d45b72cc2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349f5a86ff4ae1b584f708f9f240b8aa828965c623964df7223372d45b72cc2b", kill_on_drop: false }`
[INFO] [stdout] 349f5a86ff4ae1b584f708f9f240b8aa828965c623964df7223372d45b72cc2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] 9813eeeaeb6342b2581463cb4a7da67296208fe54b9245b59b5feec5859b0fde
[INFO] running `Command { std: "docker" "start" "-a" "9813eeeaeb6342b2581463cb4a7da67296208fe54b9245b59b5feec5859b0fde", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 16 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ena-9ccdef27ca175678)
[INFO] [stdout] test snapshot_vec::basic ... ok
[INFO] [stdout] test unify::tests::basic ... ok
[INFO] [stdout] test unify::tests::clone_table ... ok
[INFO] [stdout] test unify::tests::unify_vars_then_int_indirect ... ok
[INFO] [stdout] test unify::tests::unify_root_value_1 ... ok
[INFO] [stdout] test unify::tests::ordered_key_k1 ... ok
[INFO] [stdout] test unify::tests::unify_distinct_ints_then_vars ... ok
[INFO] [stdout] test snapshot_vec::nested_commit_then_rollback ... ok
[INFO] [stdout] test unify::tests::unify_root_value_2 ... ok
[INFO] [stdout] test unify::tests::unify_same_int_twice ... ok
[INFO] [stdout] test unify::tests::unify_vars_different_ints_1 ... ok
[INFO] [stdout] test unify::tests::unify_vars_different_ints_2 ... ok
[INFO] [stdout] test unify::tests::even_odd ... ok
[INFO] [stdout] test unify::tests::ordered_key ... ok
[INFO] [stdout] test snapshot_vec::out_of_order - should panic ... ok
[INFO] [stdout] test unify::tests::big_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/external_undo_log.rs (/opt/rustwide/target/debug/deps/external_undo_log-868370014d586e48)
[INFO] [stdout] test external_undo_log ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ena
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9813eeeaeb6342b2581463cb4a7da67296208fe54b9245b59b5feec5859b0fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9813eeeaeb6342b2581463cb4a7da67296208fe54b9245b59b5feec5859b0fde", kill_on_drop: false }`
[INFO] [stdout] 9813eeeaeb6342b2581463cb4a7da67296208fe54b9245b59b5feec5859b0fde