[INFO] fetching crate ena 0.14.0...
[INFO] testing ena-0.14.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate ena 0.14.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ena 0.14.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1f371864b84c1e7658ebcb06819cc426f6a2ea90c395eec880d4e4b5346153a
[INFO] running `Command { std: "docker" "start" "-a" "a1f371864b84c1e7658ebcb06819cc426f6a2ea90c395eec880d4e4b5346153a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1f371864b84c1e7658ebcb06819cc426f6a2ea90c395eec880d4e4b5346153a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f371864b84c1e7658ebcb06819cc426f6a2ea90c395eec880d4e4b5346153a", kill_on_drop: false }`
[INFO] [stdout] a1f371864b84c1e7658ebcb06819cc426f6a2ea90c395eec880d4e4b5346153a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a1d09c8e9eff911d5abb598839a337506a61787e8ba080f1bca3189539ca3c7
[INFO] running `Command { std: "docker" "start" "-a" "8a1d09c8e9eff911d5abb598839a337506a61787e8ba080f1bca3189539ca3c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ena v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "8a1d09c8e9eff911d5abb598839a337506a61787e8ba080f1bca3189539ca3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1d09c8e9eff911d5abb598839a337506a61787e8ba080f1bca3189539ca3c7", kill_on_drop: false }`
[INFO] [stdout] 8a1d09c8e9eff911d5abb598839a337506a61787e8ba080f1bca3189539ca3c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a7dc46688414694c13bb298c6c72febec7f5fc5d0216f766a4ac2398b867e43
[INFO] running `Command { std: "docker" "start" "-a" "5a7dc46688414694c13bb298c6c72febec7f5fc5d0216f766a4ac2398b867e43", kill_on_drop: false }`
[INFO] [stderr]    Compiling ena v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "5a7dc46688414694c13bb298c6c72febec7f5fc5d0216f766a4ac2398b867e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7dc46688414694c13bb298c6c72febec7f5fc5d0216f766a4ac2398b867e43", kill_on_drop: false }`
[INFO] [stdout] 5a7dc46688414694c13bb298c6c72febec7f5fc5d0216f766a4ac2398b867e43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fefa92e958042127eed6ca79ba6b9fd9370d8700463cb465b60bd3083e4981d
[INFO] running `Command { std: "docker" "start" "-a" "0fefa92e958042127eed6ca79ba6b9fd9370d8700463cb465b60bd3083e4981d", 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-da54809adcf3c73e)
[INFO] [stdout] test snapshot_vec::basic ... ok
[INFO] [stdout] test snapshot_vec::nested_commit_then_rollback ... ok
[INFO] [stdout] test unify::tests::basic ... ok
[INFO] [stdout] test unify::tests::unify_vars_different_ints_2 ... ok
[INFO] [stdout] test unify::tests::unify_vars_different_ints_1 ... ok
[INFO] [stdout] test unify::tests::unify_same_int_twice ... ok
[INFO] [stdout] test unify::tests::unify_root_value_1 ... ok
[INFO] [stdout] test unify::tests::unify_distinct_ints_then_vars ... ok
[INFO] [stdout] test unify::tests::ordered_key_k1 ... ok
[INFO] [stdout] test unify::tests::ordered_key ... ok
[INFO] [stdout] test unify::tests::unify_root_value_2 ... ok
[INFO] [stdout] test unify::tests::unify_vars_then_int_indirect ... ok
[INFO] [stdout] test unify::tests::even_odd ... ok
[INFO] [stdout] test unify::tests::clone_table ... ok
[INFO] [stdout] test snapshot_vec::out_of_order - should panic ... ok
[INFO] [stderr]      Running tests/external_undo_log.rs (/opt/rustwide/target/debug/deps/external_undo_log-c1a177f846b55626)
[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 0.13s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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" "0fefa92e958042127eed6ca79ba6b9fd9370d8700463cb465b60bd3083e4981d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fefa92e958042127eed6ca79ba6b9fd9370d8700463cb465b60bd3083e4981d", kill_on_drop: false }`
[INFO] [stdout] 0fefa92e958042127eed6ca79ba6b9fd9370d8700463cb465b60bd3083e4981d