[INFO] cloning repository https://github.com/ghkinoo/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/ghkinoo/chat_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghkinoo%2Fchat_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghkinoo%2Fchat_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b4967b4aaeb1ef59b0ed2d506aea568d3e5e7b7
[INFO] checking ghkinoo/chat_client against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghkinoo%2Fchat_client" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ghkinoo/chat_client on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ghkinoo/chat_client
[INFO] finished tweaking git repo https://github.com/ghkinoo/chat_client
[INFO] tweaked toml for git repo https://github.com/ghkinoo/chat_client written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/ghkinoo/chat_client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 076d5dff64f11424028c9dbdf81cf57eb47e690a8e4fff2f0c8691cb84de039c
[INFO] running `Command { std: "docker" "start" "-a" "076d5dff64f11424028c9dbdf81cf57eb47e690a8e4fff2f0c8691cb84de039c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "076d5dff64f11424028c9dbdf81cf57eb47e690a8e4fff2f0c8691cb84de039c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076d5dff64f11424028c9dbdf81cf57eb47e690a8e4fff2f0c8691cb84de039c", kill_on_drop: false }`
[INFO] [stdout] 076d5dff64f11424028c9dbdf81cf57eb47e690a8e4fff2f0c8691cb84de039c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d861b8127a99783615e9a0c4b905ca2b3ec309b69b74e764e0c6eb8d4b94394e
[INFO] running `Command { std: "docker" "start" "-a" "d861b8127a99783615e9a0c4b905ca2b3ec309b69b74e764e0c6eb8d4b94394e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking atomic-option v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking popol v0.4.0
[INFO] [stderr]     Checking bus v2.2.3
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.19s
[INFO] running `Command { std: "docker" "inspect" "d861b8127a99783615e9a0c4b905ca2b3ec309b69b74e764e0c6eb8d4b94394e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d861b8127a99783615e9a0c4b905ca2b3ec309b69b74e764e0c6eb8d4b94394e", kill_on_drop: false }`
[INFO] [stdout] d861b8127a99783615e9a0c4b905ca2b3ec309b69b74e764e0c6eb8d4b94394e