[INFO] cloning repository https://github.com/yihuang/async-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yihuang/async-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyihuang%2Fasync-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyihuang%2Fasync-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eddfc5e220a1d2275bed30dcb757f1426931d475
[INFO] testing yihuang/async-benchmark against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyihuang%2Fasync-benchmark" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yihuang/async-benchmark on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yihuang/async-benchmark
[INFO] finished tweaking git repo https://github.com/yihuang/async-benchmark
[INFO] tweaked toml for git repo https://github.com/yihuang/async-benchmark written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/yihuang/async-benchmark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/yihuang/tokio.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.1
[INFO] [stderr]   Downloaded tinytemplate v1.2.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.70
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.70
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded plotters-backend v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.70
[INFO] [stderr]   Downloaded js-sys v0.3.47
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded async-fs v1.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.70
[INFO] [stderr]   Downloaded const_fn v0.4.5
[INFO] [stderr]   Downloaded async-process v1.0.2
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded memoffset v0.6.1
[INFO] [stderr]   Downloaded signal-hook v0.3.4
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded criterion v0.3.4
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded async-net v1.5.0
[INFO] [stderr]   Downloaded web-sys v0.3.47
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded bstr v0.2.15
[INFO] [stderr]   Downloaded bumpalo v3.6.0
[INFO] [stderr]   Downloaded csv v1.1.5
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.70
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded plotters v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f77b6007366fe74bed750ea990ea7212e928858b0fcd122f10061b65e396b43
[INFO] running `Command { std: "docker" "start" "-a" "8f77b6007366fe74bed750ea990ea7212e928858b0fcd122f10061b65e396b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f77b6007366fe74bed750ea990ea7212e928858b0fcd122f10061b65e396b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f77b6007366fe74bed750ea990ea7212e928858b0fcd122f10061b65e396b43", kill_on_drop: false }`
[INFO] [stdout] 8f77b6007366fe74bed750ea990ea7212e928858b0fcd122f10061b65e396b43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10c84637d25c9174351d149adf1b8a145ccfb4a8a3a55c440ecce4d546f96a2d
[INFO] running `Command { std: "docker" "start" "-a" "10c84637d25c9174351d149adf1b8a145ccfb4a8a3a55c440ecce4d546f96a2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling signal-hook v0.3.4
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.2.0 (https://github.com/yihuang/tokio.git?branch=zero-interval#361bff35)
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling async-process v1.0.2
[INFO] [stderr]    Compiling async-net v1.5.0
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling tokio-macros v1.1.0 (https://github.com/yihuang/tokio.git?branch=zero-interval#361bff35)
[INFO] [stderr]    Compiling async-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.67s
[INFO] running `Command { std: "docker" "inspect" "10c84637d25c9174351d149adf1b8a145ccfb4a8a3a55c440ecce4d546f96a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c84637d25c9174351d149adf1b8a145ccfb4a8a3a55c440ecce4d546f96a2d", kill_on_drop: false }`
[INFO] [stdout] 10c84637d25c9174351d149adf1b8a145ccfb4a8a3a55c440ecce4d546f96a2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9374da16a846fa6836062232f3584f3bf197083149fe07e728dea1f1089ba6c
[INFO] running `Command { std: "docker" "start" "-a" "a9374da16a846fa6836062232f3584f3bf197083149fe07e728dea1f1089ba6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling async-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.77s
[INFO] running `Command { std: "docker" "inspect" "a9374da16a846fa6836062232f3584f3bf197083149fe07e728dea1f1089ba6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9374da16a846fa6836062232f3584f3bf197083149fe07e728dea1f1089ba6c", kill_on_drop: false }`
[INFO] [stdout] a9374da16a846fa6836062232f3584f3bf197083149fe07e728dea1f1089ba6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bce1ba1821a6ca6231c40c922fb9e3918f87e29ea82ab5cd962c1d526b824d7a
[INFO] running `Command { std: "docker" "start" "-a" "bce1ba1821a6ca6231c40c922fb9e3918f87e29ea82ab5cd962c1d526b824d7a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_benchmark-bccb7b149ef78c01)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_benchmark-21f7eaf99e83fee5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests async-benchmark
[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 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] [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" "bce1ba1821a6ca6231c40c922fb9e3918f87e29ea82ab5cd962c1d526b824d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce1ba1821a6ca6231c40c922fb9e3918f87e29ea82ab5cd962c1d526b824d7a", kill_on_drop: false }`
[INFO] [stdout] bce1ba1821a6ca6231c40c922fb9e3918f87e29ea82ab5cd962c1d526b824d7a