[INFO] updating cached repository https://github.com/CactusDev/mixer-chat-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 39d8504fa614eb10990b9b5aa80de599c39050ae
[INFO] checking CactusDev/mixer-chat-rs against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FCactusDev%2Fmixer-chat-rs" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CactusDev/mixer-chat-rs on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CactusDev/mixer-chat-rs
[INFO] finished tweaking git repo https://github.com/CactusDev/mixer-chat-rs
[INFO] tweaked toml for git repo https://github.com/CactusDev/mixer-chat-rs written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/CactusDev/mixer-chat-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8dbd73e57255dcfba408b6d5eb6aa38e9aaf0ef0d686d8ed75b52b7383d6ecaa
[INFO] running `"docker" "start" "-a" "8dbd73e57255dcfba408b6d5eb6aa38e9aaf0ef0d686d8ed75b52b7383d6ecaa"`
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking crc32fast v1.1.2
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking regex v1.0.4
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking h2 v0.1.14
[INFO] [stderr]     Checking tokio v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking hyper v0.12.19
[INFO] [stderr]     Checking tokio-tls v0.2.0
[INFO] [stderr]     Checking websocket v0.22.1
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]     Checking mixer_chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `"docker" "inspect" "8dbd73e57255dcfba408b6d5eb6aa38e9aaf0ef0d686d8ed75b52b7383d6ecaa"`
[INFO] running `"docker" "rm" "-f" "8dbd73e57255dcfba408b6d5eb6aa38e9aaf0ef0d686d8ed75b52b7383d6ecaa"`
[INFO] [stdout] 8dbd73e57255dcfba408b6d5eb6aa38e9aaf0ef0d686d8ed75b52b7383d6ecaa