[INFO] updating cached repository GustavoKatel/rust-echo-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/GustavoKatel/rust-echo-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/GustavoKatel/rust-echo-server" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/GustavoKatel/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/GustavoKatel/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GustavoKatel/rust-echo-server" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/GustavoKatel/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/GustavoKatel/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6391a5c07d99f309265032e234457f5f1942d086
[INFO] sha for GitHub repo GustavoKatel/rust-echo-server: 6391a5c07d99f309265032e234457f5f1942d086
[INFO] validating manifest of GustavoKatel/rust-echo-server 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 GustavoKatel/rust-echo-server 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 GustavoKatel/rust-echo-server
[INFO] finished frobbing GustavoKatel/rust-echo-server
[INFO] frobbed toml for GustavoKatel/rust-echo-server written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/GustavoKatel/rust-echo-server/Cargo.toml
[INFO] started frobbing GustavoKatel/rust-echo-server
[INFO] finished frobbing GustavoKatel/rust-echo-server
[INFO] frobbed toml for GustavoKatel/rust-echo-server written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/GustavoKatel/rust-echo-server/Cargo.toml
[INFO] crate GustavoKatel/rust-echo-server 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 GustavoKatel/rust-echo-server against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/GustavoKatel/rust-echo-server:/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] 6c754d117a5b942e480a8f00b776477548ad2476d01f6d1e3ccf8ba11826c0de
[INFO] running `"docker" "start" "-a" "6c754d117a5b942e480a8f00b776477548ad2476d01f6d1e3ccf8ba11826c0de"`
[INFO] [stderr]     Checking nix v0.6.0
[INFO] [stderr]     Checking mio v0.6.0
[INFO] [stderr]     Checking rust-echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `"docker" "inspect" "6c754d117a5b942e480a8f00b776477548ad2476d01f6d1e3ccf8ba11826c0de"`
[INFO] running `"docker" "rm" "-f" "6c754d117a5b942e480a8f00b776477548ad2476d01f6d1e3ccf8ba11826c0de"`
[INFO] [stdout] 6c754d117a5b942e480a8f00b776477548ad2476d01f6d1e3ccf8ba11826c0de