[INFO] fetching crate vampirc-io 0.3.0...
[INFO] testing vampirc-io-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate vampirc-io 0.3.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate vampirc-io 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vampirc-io 0.3.0
[INFO] finished tweaking crates.io crate vampirc-io 0.3.0
[INFO] tweaked toml for crates.io crate vampirc-io 0.3.0 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ef2e3f82969accdd0eb2e0beeff313aa756dfadf422c0af365da3db8b06d61d
[INFO] running `Command { std: "docker" "start" "-a" "3ef2e3f82969accdd0eb2e0beeff313aa756dfadf422c0af365da3db8b06d61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ef2e3f82969accdd0eb2e0beeff313aa756dfadf422c0af365da3db8b06d61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef2e3f82969accdd0eb2e0beeff313aa756dfadf422c0af365da3db8b06d61d", kill_on_drop: false }`
[INFO] [stdout] 3ef2e3f82969accdd0eb2e0beeff313aa756dfadf422c0af365da3db8b06d61d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 938569d12b19163c30c98c1e0c77a2c59d522ccedcb180ad779a3eb0bd2a9e3d
[INFO] running `Command { std: "docker" "start" "-a" "938569d12b19163c30c98c1e0c77a2c59d522ccedcb180ad779a3eb0bd2a9e3d", 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]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling vampirc-uci v0.9.0
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling vampirc-io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.29s
[INFO] running `Command { std: "docker" "inspect" "938569d12b19163c30c98c1e0c77a2c59d522ccedcb180ad779a3eb0bd2a9e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938569d12b19163c30c98c1e0c77a2c59d522ccedcb180ad779a3eb0bd2a9e3d", kill_on_drop: false }`
[INFO] [stdout] 938569d12b19163c30c98c1e0c77a2c59d522ccedcb180ad779a3eb0bd2a9e3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97cb56ddd8ef9d52fccfcb59ff34174f0171aee9d271bba21eb03206c2543fed
[INFO] running `Command { std: "docker" "start" "-a" "97cb56ddd8ef9d52fccfcb59ff34174f0171aee9d271bba21eb03206c2543fed", kill_on_drop: false }`
[INFO] [stderr]    Compiling vampirc-io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "97cb56ddd8ef9d52fccfcb59ff34174f0171aee9d271bba21eb03206c2543fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97cb56ddd8ef9d52fccfcb59ff34174f0171aee9d271bba21eb03206c2543fed", kill_on_drop: false }`
[INFO] [stdout] 97cb56ddd8ef9d52fccfcb59ff34174f0171aee9d271bba21eb03206c2543fed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a124c6cf3722e98eb9564694371bcfa97172032173940e52d044bc21e7d85c5
[INFO] running `Command { std: "docker" "start" "-a" "3a124c6cf3722e98eb9564694371bcfa97172032173940e52d044bc21e7d85c5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vampirc_io-42b4f6f95ecb2f1e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test io::tests::test_run_in_loop ... ignored
[INFO] [stdout] test io::tests::test_run_loops ... ignored
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vampirc-io
[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" "3a124c6cf3722e98eb9564694371bcfa97172032173940e52d044bc21e7d85c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a124c6cf3722e98eb9564694371bcfa97172032173940e52d044bc21e7d85c5", kill_on_drop: false }`
[INFO] [stdout] 3a124c6cf3722e98eb9564694371bcfa97172032173940e52d044bc21e7d85c5