[INFO] cloning repository https://github.com/i1rr/chat_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/i1rr/chat_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi1rr%2Fchat_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi1rr%2Fchat_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 298852409450b65d52cd33768219fdacd3f34b8f
[INFO] checking i1rr/chat_client against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi1rr%2Fchat_client" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/i1rr/chat_client on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/i1rr/chat_client
[INFO] finished tweaking git repo https://github.com/i1rr/chat_client
[INFO] tweaked toml for git repo https://github.com/i1rr/chat_client written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/i1rr/chat_client 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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "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] 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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ceda67bbb3cc6dcc690d7452705ee3e8557c0590e6065b167181a87f259a8e08
[INFO] running `Command { std: "docker" "start" "-a" "ceda67bbb3cc6dcc690d7452705ee3e8557c0590e6065b167181a87f259a8e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceda67bbb3cc6dcc690d7452705ee3e8557c0590e6065b167181a87f259a8e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceda67bbb3cc6dcc690d7452705ee3e8557c0590e6065b167181a87f259a8e08", kill_on_drop: false }`
[INFO] [stdout] ceda67bbb3cc6dcc690d7452705ee3e8557c0590e6065b167181a87f259a8e08
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9876fa537a6d6d69a513bfa76c51d76fefa0dd60c84b8d008d6d48fc5d2bb86
[INFO] running `Command { std: "docker" "start" "-a" "d9876fa537a6d6d69a513bfa76c51d76fefa0dd60c84b8d008d6d48fc5d2bb86", kill_on_drop: false }`
[INFO] [stderr]     Checking chat_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "d9876fa537a6d6d69a513bfa76c51d76fefa0dd60c84b8d008d6d48fc5d2bb86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9876fa537a6d6d69a513bfa76c51d76fefa0dd60c84b8d008d6d48fc5d2bb86", kill_on_drop: false }`
[INFO] [stdout] d9876fa537a6d6d69a513bfa76c51d76fefa0dd60c84b8d008d6d48fc5d2bb86