[INFO] fetching crate async-listen 0.2.1...
[INFO] testing async-listen-0.2.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate async-listen 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate async-listen 0.2.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-listen 0.2.1
[INFO] finished tweaking crates.io crate async-listen 0.2.1
[INFO] tweaked toml for crates.io crate async-listen 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate async-listen 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c54a2955be59bca81eda981078aebaf3e676d50728b6332453f32e0e9d061575
[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" "c54a2955be59bca81eda981078aebaf3e676d50728b6332453f32e0e9d061575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c54a2955be59bca81eda981078aebaf3e676d50728b6332453f32e0e9d061575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54a2955be59bca81eda981078aebaf3e676d50728b6332453f32e0e9d061575", kill_on_drop: false }`
[INFO] [stdout] c54a2955be59bca81eda981078aebaf3e676d50728b6332453f32e0e9d061575
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--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] a542dc5c930cb2a0e5f271910302b1024a4fdb4f47dd192ff8e6d012fe85308e
[INFO] running `Command { std: "docker" "start" "-a" "a542dc5c930cb2a0e5f271910302b1024a4fdb4f47dd192ff8e6d012fe85308e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling piper v0.1.3
[INFO] [stderr]    Compiling smol v0.1.12
[INFO] [stderr]    Compiling async-std v1.6.1
[INFO] [stderr]    Compiling async-listen v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.13s
[INFO] running `Command { std: "docker" "inspect" "a542dc5c930cb2a0e5f271910302b1024a4fdb4f47dd192ff8e6d012fe85308e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a542dc5c930cb2a0e5f271910302b1024a4fdb4f47dd192ff8e6d012fe85308e", kill_on_drop: false }`
[INFO] [stdout] a542dc5c930cb2a0e5f271910302b1024a4fdb4f47dd192ff8e6d012fe85308e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c41f61e79aabff50cbd5b2c653362104449cb5e696dcf70560939b499f7b8c1
[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" "2c41f61e79aabff50cbd5b2c653362104449cb5e696dcf70560939b499f7b8c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling async-listen v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.93s
[INFO] running `Command { std: "docker" "inspect" "2c41f61e79aabff50cbd5b2c653362104449cb5e696dcf70560939b499f7b8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c41f61e79aabff50cbd5b2c653362104449cb5e696dcf70560939b499f7b8c1", kill_on_drop: false }`
[INFO] [stdout] 2c41f61e79aabff50cbd5b2c653362104449cb5e696dcf70560939b499f7b8c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3441e51f1389d42ec311f6b5957a34f4b1186472953b407740c12df3f2404ad
[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" "c3441e51f1389d42ec311f6b5957a34f4b1186472953b407740c12df3f2404ad", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_listen-5f34a4950c268220)
[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] [stderr]      Running tests/backpressure.rs (/opt/rustwide/target/debug/deps/backpressure-041d2f99a33e19fe)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_backpressure ... ok
[INFO] [stdout] test test_change_limit ... ok
[INFO] [stdout] test test_apply_backpressure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.13s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/log.rs (/opt/rustwide/target/debug/deps/log-a7ae1e1c0dd4823f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_hint ... ok
[INFO] [stdout] test test_log ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-listen
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/byte_stream.rs - byte_stream::ByteStream::peer_addr (line 130) ... ignored
[INFO] [stdout] test src/listen_ext.rs - listen_ext::ListenExt::backpressure (line 116) ... ignored
[INFO] [stdout] test src/listen_ext.rs - listen_ext::ListenExt::backpressure_wrapper (line 279) ... ignored
[INFO] [stdout] test src/listen_ext.rs - listen_ext::ListenExt::backpressure_wrapper (line 284) ... ignored
[INFO] [stdout] test src/listen_ext.rs - listen_ext::ListenExt::backpressure_wrapper (line 290) ... ignored
[INFO] [stdout] test src/listen_ext.rs - listen_ext::ListenExt::handle_errors (line 83) ... ignored
[INFO] [stdout] test src/listen_ext.rs - listen_ext::ListenExt::log_warnings (line 26) ... ignored
[INFO] [stdout] test src/error.rs - error::ErrorHint::default_link_base (line 171) ... ok
[INFO] [stdout] test src/listen_ext.rs - listen_ext::ListenExt::apply_backpressure (line 188) ... ok
[INFO] [stdout] test src/backpressure.rs - backpressure::new (line 306) ... ok
[INFO] [stdout] test src/listen_ext.rs - listen_ext::ListenExt::log_warnings (line 36) ... ok
[INFO] [stdout] test src/listen_ext.rs - listen_ext::ListenExt::backpressure_wrapper (line 251) ... ok
[INFO] [stdout] test src/listen_ext.rs - listen_ext::ListenExt::backpressure (line 125) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/error.rs - error::ErrorHint (line 22) ... ok
[INFO] [stdout] test src/error.rs - error::ErrorHint (line 9) ... ok
[INFO] [stdout] test src/error.rs - error::error_hint (line 94) ... ok
[INFO] [stdout] test src/error.rs - error::ErrorHint::link_hash (line 145) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 7 ignored; 0 measured; 0 filtered out; finished in 3.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3441e51f1389d42ec311f6b5957a34f4b1186472953b407740c12df3f2404ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3441e51f1389d42ec311f6b5957a34f4b1186472953b407740c12df3f2404ad", kill_on_drop: false }`
[INFO] [stdout] c3441e51f1389d42ec311f6b5957a34f4b1186472953b407740c12df3f2404ad