[INFO] crate async-listen 0.2.1 is already in cache
[INFO] testing async-listen-0.2.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate async-listen 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async-listen 0.2.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-0/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e69dc2fd65c0a466a92c51b418abe3aac854ac1c1248cd33252e4263cbf2393
[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" "4e69dc2fd65c0a466a92c51b418abe3aac854ac1c1248cd33252e4263cbf2393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e69dc2fd65c0a466a92c51b418abe3aac854ac1c1248cd33252e4263cbf2393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e69dc2fd65c0a466a92c51b418abe3aac854ac1c1248cd33252e4263cbf2393", kill_on_drop: false }`
[INFO] [stdout] 4e69dc2fd65c0a466a92c51b418abe3aac854ac1c1248cd33252e4263cbf2393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b4c5c9bbdbaa4dc7e51ef4a98b0988079b17e8b522ae4af99d325da00146fa5
[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" "4b4c5c9bbdbaa4dc7e51ef4a98b0988079b17e8b522ae4af99d325da00146fa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[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 lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[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 socket2 v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[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 49.80s
[INFO] running `Command { std: "docker" "inspect" "4b4c5c9bbdbaa4dc7e51ef4a98b0988079b17e8b522ae4af99d325da00146fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4c5c9bbdbaa4dc7e51ef4a98b0988079b17e8b522ae4af99d325da00146fa5", kill_on_drop: false }`
[INFO] [stdout] 4b4c5c9bbdbaa4dc7e51ef4a98b0988079b17e8b522ae4af99d325da00146fa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e038a5c44917416774159eb99e34c4816523e488b4885cb6093c8231babbfbc
[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" "5e038a5c44917416774159eb99e34c4816523e488b4885cb6093c8231babbfbc", 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 14.97s
[INFO] running `Command { std: "docker" "inspect" "5e038a5c44917416774159eb99e34c4816523e488b4885cb6093c8231babbfbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e038a5c44917416774159eb99e34c4816523e488b4885cb6093c8231babbfbc", kill_on_drop: false }`
[INFO] [stdout] 5e038a5c44917416774159eb99e34c4816523e488b4885cb6093c8231babbfbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] db55d2ee5e6298583434b8bb429a3fc833687f6a3d61aa0dbfead976b3f6b9a5
[INFO] running `Command { std: "docker" "start" "-a" "db55d2ee5e6298583434b8bb429a3fc833687f6a3d61aa0dbfead976b3f6b9a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_listen-906286621134cac1
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/backpressure-62922165f46c4d64
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_change_limit ... ok
[INFO] [stdout] test test_apply_backpressure ... ok
[INFO] [stdout] test test_backpressure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/log-79b3ee2dca90f468
[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
[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::backpressure (line 125) ... 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/lib.rs - (line 28) ... 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::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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db55d2ee5e6298583434b8bb429a3fc833687f6a3d61aa0dbfead976b3f6b9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db55d2ee5e6298583434b8bb429a3fc833687f6a3d61aa0dbfead976b3f6b9a5", kill_on_drop: false }`
[INFO] [stdout] db55d2ee5e6298583434b8bb429a3fc833687f6a3d61aa0dbfead976b3f6b9a5