[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] 9aff3d02637818c35121f04abb4741c68a82db55
[INFO] checking museun/readchat against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Freadchat" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/readchat on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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-3/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" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c0c2a9053bdec888256be22c490f21f0338bb51279900b0088791827496daba
[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" "4c0c2a9053bdec888256be22c490f21f0338bb51279900b0088791827496daba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c0c2a9053bdec888256be22c490f21f0338bb51279900b0088791827496daba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0c2a9053bdec888256be22c490f21f0338bb51279900b0088791827496daba", kill_on_drop: false }`
[INFO] [stdout] 4c0c2a9053bdec888256be22c490f21f0338bb51279900b0088791827496daba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 941e4cfde77f7845de1ce79b3585c0435b1ab0f652e4bec97ae886b74e3cb07e
[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" "941e4cfde77f7845de1ce79b3585c0435b1ab0f652e4bec97ae886b74e3cb07e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking pico-args v0.4.0
[INFO] [stderr]     Checking twitchchat v0.14.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking flume v0.10.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.10
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking readchat v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.00s
[INFO] running `Command { std: "docker" "inspect" "941e4cfde77f7845de1ce79b3585c0435b1ab0f652e4bec97ae886b74e3cb07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941e4cfde77f7845de1ce79b3585c0435b1ab0f652e4bec97ae886b74e3cb07e", kill_on_drop: false }`
[INFO] [stdout] 941e4cfde77f7845de1ce79b3585c0435b1ab0f652e4bec97ae886b74e3cb07e