[INFO] cloning repository https://github.com/sailor891/02-concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sailor891/02-concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsailor891%2F02-concurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsailor891%2F02-concurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ec53b4ae9c1196d98feae7e764d189f859a7f07
[INFO] checking sailor891/02-concurrency against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsailor891%2F02-concurrency" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sailor891/02-concurrency
[INFO] finished tweaking git repo https://github.com/sailor891/02-concurrency
[INFO] tweaked toml for git repo https://github.com/sailor891/02-concurrency written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sailor891/02-concurrency on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sailor891/02-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dashmap v6.0.1
[INFO] [stderr]   Downloaded oneshot v0.1.8
[INFO] [stderr]   Downloaded tokio v1.39.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06fd57f5e330562206da826b7f94ffc582b69e1ac71f95b2722b18511f9aacf9
[INFO] running `Command { std: "docker" "start" "-a" "06fd57f5e330562206da826b7f94ffc582b69e1ac71f95b2722b18511f9aacf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06fd57f5e330562206da826b7f94ffc582b69e1ac71f95b2722b18511f9aacf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06fd57f5e330562206da826b7f94ffc582b69e1ac71f95b2722b18511f9aacf9", kill_on_drop: false }`
[INFO] [stdout] 06fd57f5e330562206da826b7f94ffc582b69e1ac71f95b2722b18511f9aacf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b9261e0266cee7892d8092f0a96341d6792a4a9ab21733ec4adf66aff567048
[INFO] running `Command { std: "docker" "start" "-a" "5b9261e0266cee7892d8092f0a96341d6792a4a9ab21733ec4adf66aff567048", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking oneshot v0.1.8
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking dashmap v6.0.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tokio v1.39.3
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.42s
[INFO] running `Command { std: "docker" "inspect" "5b9261e0266cee7892d8092f0a96341d6792a4a9ab21733ec4adf66aff567048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9261e0266cee7892d8092f0a96341d6792a4a9ab21733ec4adf66aff567048", kill_on_drop: false }`
[INFO] [stdout] 5b9261e0266cee7892d8092f0a96341d6792a4a9ab21733ec4adf66aff567048