[INFO] fetching crate async_singleflight 0.3.0...
[INFO] testing async_singleflight-0.3.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate async_singleflight 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate async_singleflight 0.3.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_singleflight 0.3.0
[INFO] finished tweaking crates.io crate async_singleflight 0.3.0
[INFO] tweaked toml for crates.io crate async_singleflight 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bb993d3ac2fab45727740db2df9d831b97361ffb3a61a3eb7209e377c0864e1
[INFO] running `Command { std: "docker" "start" "-a" "1bb993d3ac2fab45727740db2df9d831b97361ffb3a61a3eb7209e377c0864e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bb993d3ac2fab45727740db2df9d831b97361ffb3a61a3eb7209e377c0864e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb993d3ac2fab45727740db2df9d831b97361ffb3a61a3eb7209e377c0864e1", kill_on_drop: false }`
[INFO] [stdout] 1bb993d3ac2fab45727740db2df9d831b97361ffb3a61a3eb7209e377c0864e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7acdb73c656de1847375d9ad59d959c415901a9ad0a8de4760cb49b88937761b
[INFO] running `Command { std: "docker" "start" "-a" "7acdb73c656de1847375d9ad59d959c415901a9ad0a8de4760cb49b88937761b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling hashbrown v0.2.2
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async_singleflight v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.10s
[INFO] running `Command { std: "docker" "inspect" "7acdb73c656de1847375d9ad59d959c415901a9ad0a8de4760cb49b88937761b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7acdb73c656de1847375d9ad59d959c415901a9ad0a8de4760cb49b88937761b", kill_on_drop: false }`
[INFO] [stdout] 7acdb73c656de1847375d9ad59d959c415901a9ad0a8de4760cb49b88937761b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6d6403f56e8931117e5cf97c2ab9854c3615069b59198ff7f31771ce0c717a8
[INFO] running `Command { std: "docker" "start" "-a" "e6d6403f56e8931117e5cf97c2ab9854c3615069b59198ff7f31771ce0c717a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling async_singleflight v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.16s
[INFO] running `Command { std: "docker" "inspect" "e6d6403f56e8931117e5cf97c2ab9854c3615069b59198ff7f31771ce0c717a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d6403f56e8931117e5cf97c2ab9854c3615069b59198ff7f31771ce0c717a8", kill_on_drop: false }`
[INFO] [stdout] e6d6403f56e8931117e5cf97c2ab9854c3615069b59198ff7f31771ce0c717a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc5b1c31ed6c0a122c81dc9fc11fc0e03799fc79baf97add1d1dacd27b097b07
[INFO] running `Command { std: "docker" "start" "-a" "cc5b1c31ed6c0a122c81dc9fc11fc0e03799fc79baf97add1d1dacd27b097b07", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_singleflight-89d9809655ba2b7d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stdout] test tests::test_multiple_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async_singleflight
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc5b1c31ed6c0a122c81dc9fc11fc0e03799fc79baf97add1d1dacd27b097b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5b1c31ed6c0a122c81dc9fc11fc0e03799fc79baf97add1d1dacd27b097b07", kill_on_drop: false }`
[INFO] [stdout] cc5b1c31ed6c0a122c81dc9fc11fc0e03799fc79baf97add1d1dacd27b097b07