[INFO] fetching crate async-io-helper 0.1.0...
[INFO] testing async-io-helper-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate async-io-helper 0.1.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate async-io-helper 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-io-helper 0.1.0
[INFO] finished tweaking crates.io crate async-io-helper 0.1.0
[INFO] tweaked toml for crates.io crate async-io-helper 0.1.0 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da69e4dd13b787f90c07e878c1e6c57f636e5880cb3c8e958092530c8bcc69b3
[INFO] running `Command { std: "docker" "start" "-a" "da69e4dd13b787f90c07e878c1e6c57f636e5880cb3c8e958092530c8bcc69b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da69e4dd13b787f90c07e878c1e6c57f636e5880cb3c8e958092530c8bcc69b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da69e4dd13b787f90c07e878c1e6c57f636e5880cb3c8e958092530c8bcc69b3", kill_on_drop: false }`
[INFO] [stdout] da69e4dd13b787f90c07e878c1e6c57f636e5880cb3c8e958092530c8bcc69b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 291d0d041a99bc2d45818d7697ac1c6219f90894ce81c0b7f918298b4cff2b55
[INFO] running `Command { std: "docker" "start" "-a" "291d0d041a99bc2d45818d7697ac1c6219f90894ce81c0b7f918298b4cff2b55", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling async-io-helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.53s
[INFO] running `Command { std: "docker" "inspect" "291d0d041a99bc2d45818d7697ac1c6219f90894ce81c0b7f918298b4cff2b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291d0d041a99bc2d45818d7697ac1c6219f90894ce81c0b7f918298b4cff2b55", kill_on_drop: false }`
[INFO] [stdout] 291d0d041a99bc2d45818d7697ac1c6219f90894ce81c0b7f918298b4cff2b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d6de66a3b972a7d5567c3e993922b5a109a025219bbfa4616acc43a13ee2ae
[INFO] running `Command { std: "docker" "start" "-a" "a1d6de66a3b972a7d5567c3e993922b5a109a025219bbfa4616acc43a13ee2ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling async-io-helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.05s
[INFO] running `Command { std: "docker" "inspect" "a1d6de66a3b972a7d5567c3e993922b5a109a025219bbfa4616acc43a13ee2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d6de66a3b972a7d5567c3e993922b5a109a025219bbfa4616acc43a13ee2ae", kill_on_drop: false }`
[INFO] [stdout] a1d6de66a3b972a7d5567c3e993922b5a109a025219bbfa4616acc43a13ee2ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 564b743382011563d81f5574d5bdd6bd4d04d7a14d56939a5c1137401cf8970d
[INFO] running `Command { std: "docker" "start" "-a" "564b743382011563d81f5574d5bdd6bd4d04d7a14d56939a5c1137401cf8970d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_io_helper-290d46a85a6e3f7a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests async-io-helper
[INFO] [stdout] test tests::test_client_and_server_io_should_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "564b743382011563d81f5574d5bdd6bd4d04d7a14d56939a5c1137401cf8970d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "564b743382011563d81f5574d5bdd6bd4d04d7a14d56939a5c1137401cf8970d", kill_on_drop: false }`
[INFO] [stdout] 564b743382011563d81f5574d5bdd6bd4d04d7a14d56939a5c1137401cf8970d