[INFO] cloning repository https://github.com/museun/twitchchat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/museun/twitchchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Ftwitchchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Ftwitchchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 883230553d14bf997ad5814bb234ff6fb605ae2d
[INFO] checking museun/twitchchat against master#d137783642b0b98eda2796dc66bffc2b089a8327 for pr-105568
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Ftwitchchat" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/twitchchat on toolchain d137783642b0b98eda2796dc66bffc2b089a8327
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d137783642b0b98eda2796dc66bffc2b089a8327" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/museun/twitchchat
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/museun/twitchchat
[INFO] tweaked toml for git repo https://github.com/museun/twitchchat written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d137783642b0b98eda2796dc66bffc2b089a8327" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d137783642b0b98eda2796dc66bffc2b089a8327" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+d137783642b0b98eda2796dc66bffc2b089a8327" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de4d48046785756aeb992ffd6f5a5d904ffef18c04da2349e43aa9d00243bfe7
[INFO] running `Command { std: "docker" "start" "-a" "de4d48046785756aeb992ffd6f5a5d904ffef18c04da2349e43aa9d00243bfe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de4d48046785756aeb992ffd6f5a5d904ffef18c04da2349e43aa9d00243bfe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4d48046785756aeb992ffd6f5a5d904ffef18c04da2349e43aa9d00243bfe7", kill_on_drop: false }`
[INFO] [stdout] de4d48046785756aeb992ffd6f5a5d904ffef18c04da2349e43aa9d00243bfe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+d137783642b0b98eda2796dc66bffc2b089a8327" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 086008ade17d220976a793006781f30802e9b39c04dbcdf60c2858be84332b9f
[INFO] running `Command { std: "docker" "start" "-a" "086008ade17d220976a793006781f30802e9b39c04dbcdf60c2858be84332b9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]     Checking twitchchat v0.14.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking concurrent-queue v2.0.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-lock v2.6.0
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]     Checking async-executor v1.5.0
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "086008ade17d220976a793006781f30802e9b39c04dbcdf60c2858be84332b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086008ade17d220976a793006781f30802e9b39c04dbcdf60c2858be84332b9f", kill_on_drop: false }`
[INFO] [stdout] 086008ade17d220976a793006781f30802e9b39c04dbcdf60c2858be84332b9f