[INFO] fetching crate async-listen 0.2.1...
[INFO] testing async-listen-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate async-listen 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate async-listen 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piper v0.1.3
[INFO] [stderr]   Downloaded smol v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b03e020f441d9736a13c9cc081cea4432a6c887f9add805c13f4c8f6b6d5837
[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" "6b03e020f441d9736a13c9cc081cea4432a6c887f9add805c13f4c8f6b6d5837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b03e020f441d9736a13c9cc081cea4432a6c887f9add805c13f4c8f6b6d5837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b03e020f441d9736a13c9cc081cea4432a6c887f9add805c13f4c8f6b6d5837", kill_on_drop: false }`
[INFO] [stdout] 6b03e020f441d9736a13c9cc081cea4432a6c887f9add805c13f4c8f6b6d5837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e2d45504fd0d4fdef2bdb63ed527c5715791e8f1fc04fa7e6dd30437b9a5b87
[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" "9e2d45504fd0d4fdef2bdb63ed527c5715791e8f1fc04fa7e6dd30437b9a5b87", kill_on_drop: false }`
[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 libc v0.2.71
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[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 49.79s
[INFO] running `Command { std: "docker" "inspect" "9e2d45504fd0d4fdef2bdb63ed527c5715791e8f1fc04fa7e6dd30437b9a5b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2d45504fd0d4fdef2bdb63ed527c5715791e8f1fc04fa7e6dd30437b9a5b87", kill_on_drop: false }`
[INFO] [stdout] 9e2d45504fd0d4fdef2bdb63ed527c5715791e8f1fc04fa7e6dd30437b9a5b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c52173f0d2287e6586fd8627119923cb2113c8c6ddeb5d044917cc7cef81c8
[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" "27c52173f0d2287e6586fd8627119923cb2113c8c6ddeb5d044917cc7cef81c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 17.97s
[INFO] running `Command { std: "docker" "inspect" "27c52173f0d2287e6586fd8627119923cb2113c8c6ddeb5d044917cc7cef81c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c52173f0d2287e6586fd8627119923cb2113c8c6ddeb5d044917cc7cef81c8", kill_on_drop: false }`
[INFO] [stdout] 27c52173f0d2287e6586fd8627119923cb2113c8c6ddeb5d044917cc7cef81c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 3f5565fdf458089557e09070ef58f89826ff71ca59b0eec768de79585b025f0d
[INFO] running `Command { std: "docker" "start" "-a" "3f5565fdf458089557e09070ef58f89826ff71ca59b0eec768de79585b025f0d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_listen-7b280c43d112f96b
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/backpressure-88fc205230aa7a22
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_backpressure ... ok
[INFO] [stdout] test test_apply_backpressure ... ok
[INFO] [stdout] test test_change_limit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/log-4cb4ac3b100b30e0
[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::log_warnings (line 36) ... ok
[INFO] [stdout] test src/backpressure.rs - backpressure::new (line 306) ... 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/listen_ext.rs - listen_ext::ListenExt::apply_backpressure (line 188) ... ok
[INFO] [stdout] test src/error.rs - error::ErrorHint (line 22) ... ok
[INFO] [stdout] test src/error.rs - error::error_hint (line 94) ... ok
[INFO] [stdout] test src/error.rs - error::ErrorHint (line 9) ... 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 2.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f5565fdf458089557e09070ef58f89826ff71ca59b0eec768de79585b025f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5565fdf458089557e09070ef58f89826ff71ca59b0eec768de79585b025f0d", kill_on_drop: false }`
[INFO] [stdout] 3f5565fdf458089557e09070ef58f89826ff71ca59b0eec768de79585b025f0d