[INFO] cloning repository https://github.com/wangjiandev/concurrency2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangjiandev/concurrency2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangjiandev%2Fconcurrency2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangjiandev%2Fconcurrency2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7a3a862d23f36e9d029a3856ae618efb305e4b3
[INFO] checking wangjiandev/concurrency2 against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangjiandev%2Fconcurrency2" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wangjiandev/concurrency2
[INFO] finished tweaking git repo https://github.com/wangjiandev/concurrency2
[INFO] tweaked toml for git repo https://github.com/wangjiandev/concurrency2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wangjiandev/concurrency2 on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wangjiandev/concurrency2 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oneshot v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a50927f2a13b2bf46cdca1fa049377ffc2216285445b1af2f579d438b1c9728f
[INFO] running `Command { std: "docker" "start" "-a" "a50927f2a13b2bf46cdca1fa049377ffc2216285445b1af2f579d438b1c9728f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a50927f2a13b2bf46cdca1fa049377ffc2216285445b1af2f579d438b1c9728f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50927f2a13b2bf46cdca1fa049377ffc2216285445b1af2f579d438b1c9728f", kill_on_drop: false }`
[INFO] [stdout] a50927f2a13b2bf46cdca1fa049377ffc2216285445b1af2f579d438b1c9728f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c91e242a30e5a3cc3f57fab3d2d3d81b0b4b8a8d530e3cb80f5f4de36098e4e2
[INFO] running `Command { std: "docker" "start" "-a" "c91e242a30e5a3cc3f57fab3d2d3d81b0b4b8a8d530e3cb80f5f4de36098e4e2", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking oneshot v0.1.11
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking concurrency2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "c91e242a30e5a3cc3f57fab3d2d3d81b0b4b8a8d530e3cb80f5f4de36098e4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91e242a30e5a3cc3f57fab3d2d3d81b0b4b8a8d530e3cb80f5f4de36098e4e2", kill_on_drop: false }`
[INFO] [stdout] c91e242a30e5a3cc3f57fab3d2d3d81b0b4b8a8d530e3cb80f5f4de36098e4e2