[INFO] cloning repository dhenkes/rust_chat
[INFO] running `"git" "clone" "--bare" "git://github.com/dhenkes/rust_chat.git" "work/cache/sources/gh/dhenkes/rust_chat"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/dhenkes/rust_chat'...
[INFO] running `"git" "clone" "work/cache/sources/gh/dhenkes/rust_chat" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dhenkes/rust_chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dhenkes/rust_chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dhenkes/rust_chat" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/dhenkes/rust_chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/dhenkes/rust_chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aee68f83b3f261f92a943404c5265b9bb2cd8e26
[INFO] sha for GitHub repo dhenkes/rust_chat: aee68f83b3f261f92a943404c5265b9bb2cd8e26
[INFO] validating manifest of dhenkes/rust_chat on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dhenkes/rust_chat on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dhenkes/rust_chat
[INFO] finished frobbing dhenkes/rust_chat
[INFO] frobbed toml for dhenkes/rust_chat written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dhenkes/rust_chat/Cargo.toml
[INFO] started frobbing dhenkes/rust_chat
[INFO] finished frobbing dhenkes/rust_chat
[INFO] frobbed toml for dhenkes/rust_chat written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/dhenkes/rust_chat/Cargo.toml
[INFO] crate dhenkes/rust_chat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dhenkes/rust_chat against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dhenkes/rust_chat:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8310b33acf3bc2e84632c41b137eb932016d7b63040ce2567a1739e625c74853
[INFO] running `"docker" "start" "-a" "8310b33acf3bc2e84632c41b137eb932016d7b63040ce2567a1739e625c74853"`
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking http-muncher v0.2.5
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking rust_chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
[INFO] running `"docker" "inspect" "8310b33acf3bc2e84632c41b137eb932016d7b63040ce2567a1739e625c74853"`
[INFO] running `"docker" "rm" "-f" "8310b33acf3bc2e84632c41b137eb932016d7b63040ce2567a1739e625c74853"`
[INFO] [stdout] 8310b33acf3bc2e84632c41b137eb932016d7b63040ce2567a1739e625c74853