[INFO] cloning repository https://github.com/akuowen/concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akuowen/concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakuowen%2Fconcurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakuowen%2Fconcurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8844a6142d94e8e9bd9e81247f43820354690fef
[INFO] checking akuowen/concurrency against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakuowen%2Fconcurrency" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/akuowen/concurrency
[INFO] finished tweaking git repo https://github.com/akuowen/concurrency
[INFO] tweaked toml for git repo https://github.com/akuowen/concurrency written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/akuowen/concurrency on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/akuowen/concurrency already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93bd69cfbe01be9a7855c9e2c320305b99f545a2e2a67fd5a2d2a14d537b1b1f
[INFO] running `Command { std: "docker" "start" "-a" "93bd69cfbe01be9a7855c9e2c320305b99f545a2e2a67fd5a2d2a14d537b1b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93bd69cfbe01be9a7855c9e2c320305b99f545a2e2a67fd5a2d2a14d537b1b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93bd69cfbe01be9a7855c9e2c320305b99f545a2e2a67fd5a2d2a14d537b1b1f", kill_on_drop: false }`
[INFO] [stdout] 93bd69cfbe01be9a7855c9e2c320305b99f545a2e2a67fd5a2d2a14d537b1b1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 085dabcdb2d1fd84a378da18775f754e02b95077b8a9baeff0d4391a8b7b0ffb
[INFO] running `Command { std: "docker" "start" "-a" "085dabcdb2d1fd84a378da18775f754e02b95077b8a9baeff0d4391a8b7b0ffb", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking oneshot v0.1.6
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `Command { std: "docker" "inspect" "085dabcdb2d1fd84a378da18775f754e02b95077b8a9baeff0d4391a8b7b0ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085dabcdb2d1fd84a378da18775f754e02b95077b8a9baeff0d4391a8b7b0ffb", kill_on_drop: false }`
[INFO] [stdout] 085dabcdb2d1fd84a378da18775f754e02b95077b8a9baeff0d4391a8b7b0ffb