[INFO] cloning repository https://github.com/tinyironlabs/tractors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tinyironlabs/tractors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftinyironlabs%2Ftractors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftinyironlabs%2Ftractors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b2784b35ff64fc860e4dc25e31674257dfc7aa0
[INFO] checking tinyironlabs/tractors against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftinyironlabs%2Ftractors" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tinyironlabs/tractors
[INFO] finished tweaking git repo https://github.com/tinyironlabs/tractors
[INFO] tweaked toml for git repo https://github.com/tinyironlabs/tractors written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tinyironlabs/tractors on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tinyironlabs/tractors 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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 time-core v0.1.7
[INFO] [stderr]   Downloaded time v0.3.45
[INFO] [stderr]   Downloaded deranged v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7278ddd65ca858f61b628a5f40da9bb44bee2ef559e7280e974616915773861
[INFO] running `Command { std: "docker" "start" "-a" "e7278ddd65ca858f61b628a5f40da9bb44bee2ef559e7280e974616915773861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7278ddd65ca858f61b628a5f40da9bb44bee2ef559e7280e974616915773861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7278ddd65ca858f61b628a5f40da9bb44bee2ef559e7280e974616915773861", kill_on_drop: false }`
[INFO] [stdout] e7278ddd65ca858f61b628a5f40da9bb44bee2ef559e7280e974616915773861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 976eb0a1229d0a2912f01703951ed8d401885c37b4245e910e4b7fd31a47e9b4
[INFO] running `Command { std: "docker" "start" "-a" "976eb0a1229d0a2912f01703951ed8d401885c37b4245e910e4b7fd31a47e9b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking deranged v0.5.5
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking time-core v0.1.7
[INFO] [stderr]     Checking time v0.3.45
[INFO] [stderr]     Checking tractors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "976eb0a1229d0a2912f01703951ed8d401885c37b4245e910e4b7fd31a47e9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976eb0a1229d0a2912f01703951ed8d401885c37b4245e910e4b7fd31a47e9b4", kill_on_drop: false }`
[INFO] [stdout] 976eb0a1229d0a2912f01703951ed8d401885c37b4245e910e4b7fd31a47e9b4