[INFO] updating cached repository https://github.com/museun/readchat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29c3690c88150aadc618ffe546435f222acd4bd5
[INFO] checking museun/readchat against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Freadchat" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/readchat on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/museun/readchat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be9d0424c08d12fd1dec81e3af96960d79c9f4615fef085524ad8e8c41261f25
[INFO] running `"docker" "start" "-a" "be9d0424c08d12fd1dec81e3af96960d79c9f4615fef085524ad8e8c41261f25"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking pin-project-lite v0.1.6
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling readchat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pico-args v0.3.1
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking twitchchat v0.9.3
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.54s
[INFO] running `"docker" "inspect" "be9d0424c08d12fd1dec81e3af96960d79c9f4615fef085524ad8e8c41261f25"`
[INFO] running `"docker" "rm" "-f" "be9d0424c08d12fd1dec81e3af96960d79c9f4615fef085524ad8e8c41261f25"`
[INFO] [stdout] be9d0424c08d12fd1dec81e3af96960d79c9f4615fef085524ad8e8c41261f25