[INFO] cloning repository https://github.com/museun/readchat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/museun/readchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Freadchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Freadchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 910ad446d924e6ede46bd1536238c66f5fef8a2c
[INFO] checking museun/readchat against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Freadchat" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/readchat on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/museun/readchat
[INFO] finished tweaking git repo https://github.com/museun/readchat
[INFO] tweaked toml for git repo https://github.com/museun/readchat written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/museun/readchat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--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 crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded spinning_top v0.2.2
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded flume v0.10.2
[INFO] [stderr]   Downloaded twitchchat v0.14.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 455aa7a336449409d883b45a76e6b1437286f5d88b8ba6afce690eb3d2d82e27
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "455aa7a336449409d883b45a76e6b1437286f5d88b8ba6afce690eb3d2d82e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "455aa7a336449409d883b45a76e6b1437286f5d88b8ba6afce690eb3d2d82e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455aa7a336449409d883b45a76e6b1437286f5d88b8ba6afce690eb3d2d82e27", kill_on_drop: false }`
[INFO] [stdout] 455aa7a336449409d883b45a76e6b1437286f5d88b8ba6afce690eb3d2d82e27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 29eae6fb6667870b427236edc2a8b7a7a4419efb961bf305ef93235a0320248c
[INFO] running `Command { std: "docker" "start" "-a" "29eae6fb6667870b427236edc2a8b7a7a4419efb961bf305ef93235a0320248c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking twitchchat v0.14.8
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking pico-args v0.4.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking flume v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking readchat v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.52s
[INFO] running `Command { std: "docker" "inspect" "29eae6fb6667870b427236edc2a8b7a7a4419efb961bf305ef93235a0320248c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29eae6fb6667870b427236edc2a8b7a7a4419efb961bf305ef93235a0320248c", kill_on_drop: false }`
[INFO] [stdout] 29eae6fb6667870b427236edc2a8b7a7a4419efb961bf305ef93235a0320248c