[INFO] cloning repository https://github.com/KeenS/epoll-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeenS/epoll-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fepoll-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fepoll-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3eff4548a4b6aa32c86beb0cf78f4605afdf8d1a
[INFO] checking KeenS/epoll-chat against try#77ee4623672f6bca3e33ba60b6479de48d44b1f9 for pr-99217
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fepoll-chat" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KeenS/epoll-chat on toolchain 77ee4623672f6bca3e33ba60b6479de48d44b1f9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KeenS/epoll-chat
[INFO] finished tweaking git repo https://github.com/KeenS/epoll-chat
[INFO] tweaked toml for git repo https://github.com/KeenS/epoll-chat written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/KeenS/epoll-chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97c7ff96b8133c084232244f841efda96de816469a3b46eadc67aca4dca7bced
[INFO] running `Command { std: "docker" "start" "-a" "97c7ff96b8133c084232244f841efda96de816469a3b46eadc67aca4dca7bced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c7ff96b8133c084232244f841efda96de816469a3b46eadc67aca4dca7bced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c7ff96b8133c084232244f841efda96de816469a3b46eadc67aca4dca7bced", kill_on_drop: false }`
[INFO] [stdout] 97c7ff96b8133c084232244f841efda96de816469a3b46eadc67aca4dca7bced
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d26fc543495d6c874e5e7736a5727895c83d5d6e0d353bb5b9a7bf702a4d1ad5
[INFO] running `Command { std: "docker" "start" "-a" "d26fc543495d6c874e5e7736a5727895c83d5d6e0d353bb5b9a7bf702a4d1ad5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking epoll-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.60s
[INFO] running `Command { std: "docker" "inspect" "d26fc543495d6c874e5e7736a5727895c83d5d6e0d353bb5b9a7bf702a4d1ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26fc543495d6c874e5e7736a5727895c83d5d6e0d353bb5b9a7bf702a4d1ad5", kill_on_drop: false }`
[INFO] [stdout] d26fc543495d6c874e5e7736a5727895c83d5d6e0d353bb5b9a7bf702a4d1ad5