[INFO] fetching crate async-speed-limit 0.3.1...
[INFO] testing async-speed-limit-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-speed-limit 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate async-speed-limit 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-speed-limit 0.3.1
[INFO] finished tweaking crates.io crate async-speed-limit 0.3.1
[INFO] tweaked toml for crates.io crate async-speed-limit 0.3.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2479eec5dc847389f999f43cf9479252425b336225c672c39fed5762f088f699
[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" "2479eec5dc847389f999f43cf9479252425b336225c672c39fed5762f088f699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2479eec5dc847389f999f43cf9479252425b336225c672c39fed5762f088f699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2479eec5dc847389f999f43cf9479252425b336225c672c39fed5762f088f699", kill_on_drop: false }`
[INFO] [stdout] 2479eec5dc847389f999f43cf9479252425b336225c672c39fed5762f088f699
[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=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" "+1.55.0" "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] 10f227115de1d5c061333e5d352fa7112b194e0f4bb01cc271ac2620b02208b7
[INFO] running `Command { std: "docker" "start" "-a" "10f227115de1d5c061333e5d352fa7112b194e0f4bb01cc271ac2620b02208b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling async-speed-limit v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "10f227115de1d5c061333e5d352fa7112b194e0f4bb01cc271ac2620b02208b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f227115de1d5c061333e5d352fa7112b194e0f4bb01cc271ac2620b02208b7", kill_on_drop: false }`
[INFO] [stdout] 10f227115de1d5c061333e5d352fa7112b194e0f4bb01cc271ac2620b02208b7
[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=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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3c9e7578f4a982b8535080b0cabdc46cd714c3c06b3e0902561c24ff916c997
[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" "b3c9e7578f4a982b8535080b0cabdc46cd714c3c06b3e0902561c24ff916c997", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling async-speed-limit v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 54.38s
[INFO] running `Command { std: "docker" "inspect" "b3c9e7578f4a982b8535080b0cabdc46cd714c3c06b3e0902561c24ff916c997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c9e7578f4a982b8535080b0cabdc46cd714c3c06b3e0902561c24ff916c997", kill_on_drop: false }`
[INFO] [stdout] b3c9e7578f4a982b8535080b0cabdc46cd714c3c06b3e0902561c24ff916c997
[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=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" "+1.55.0" "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] a4e9bd27883b211703f4e05e67970fd2383b0441ff2f2323b93958aa1072cc1b
[INFO] running `Command { std: "docker" "start" "-a" "a4e9bd27883b211703f4e05e67970fd2383b0441ff2f2323b93958aa1072cc1b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] running 21 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_speed_limit-d70b32b13d15aee4)
[INFO] [stdout] test clock::tests::manual_clock_basics ... ok
[INFO] [stdout] test limiter::tests_with_manual_clock::burst ... ok
[INFO] [stdout] test io::tests::unlimited_read ... ok
[INFO] [stdout] test limiter::tests_with_manual_clock::change_speed_limit ... ok
[INFO] [stdout] test limiter::tests_with_manual_clock::under_limit_single_thread ... ok
[INFO] [stdout] test limiter::tests_with_manual_clock::hiatus ... ok
[INFO] [stdout] test io::tests::limited_write ... ok
[INFO] [stdout] test io::tests::limited_read ... ok
[INFO] [stdout] test limiter::tests_with_manual_clock::over_limit_multi_thread ... ok
[INFO] [stdout] test limiter::tests_with_manual_clock::over_limit_multi_thread_2 ... ok
[INFO] [stdout] test limiter::tests_with_manual_clock::over_limit_multi_thread_yielded ... ok
[INFO] [stdout] test limiter::tests_with_manual_clock::over_limit_single_thread ... ok
[INFO] [stdout] test limiter::tests_with_manual_clock::set_infinite_speed_limit ... ok
[INFO] [stdout] test limiter::tests_with_manual_clock::thousand_cuts ... ok
[INFO] [stdout] test clock::tests::manual_clock_sleep ... ok
[INFO] [stdout] test io::tokio_tests::unlimited_read ... ok
[INFO] [stdout] test clock::tests::standard_clock ... ok
[INFO] [stdout] test io::tokio_tests::limited_read_byte_stream ... ok
[INFO] [stdout] test io::tokio_tests::limited_read ... ok
[INFO] [stdout] test limiter::tests_with_standard_clock::rate ... ok
[INFO] [stdout] test limiter::tests_with_standard_clock::block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 22.42s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-speed-limit
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/clock.rs - clock::ManualClock (line 184) ... ok
[INFO] [stdout] test src/limiter.rs - limiter::Builder (line 93) ... ok
[INFO] [stdout] test src/limiter.rs - limiter::Limiter (line 252) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4e9bd27883b211703f4e05e67970fd2383b0441ff2f2323b93958aa1072cc1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e9bd27883b211703f4e05e67970fd2383b0441ff2f2323b93958aa1072cc1b", kill_on_drop: false }`
[INFO] [stdout] a4e9bd27883b211703f4e05e67970fd2383b0441ff2f2323b93958aa1072cc1b