[INFO] updating cached repository RobotDisco/rust_chat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RobotDisco/rust_chat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RobotDisco/rust_chat" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RobotDisco/rust_chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RobotDisco/rust_chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RobotDisco/rust_chat" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/RobotDisco/rust_chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/RobotDisco/rust_chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b039b619dc4f0f297228d09a894a0c41808447a9
[INFO] sha for GitHub repo RobotDisco/rust_chat: b039b619dc4f0f297228d09a894a0c41808447a9
[INFO] validating manifest of RobotDisco/rust_chat on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of RobotDisco/rust_chat on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing RobotDisco/rust_chat
[INFO] finished frobbing RobotDisco/rust_chat
[INFO] frobbed toml for RobotDisco/rust_chat written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RobotDisco/rust_chat/Cargo.toml
[INFO] started frobbing RobotDisco/rust_chat
[INFO] finished frobbing RobotDisco/rust_chat
[INFO] frobbed toml for RobotDisco/rust_chat written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/RobotDisco/rust_chat/Cargo.toml
[INFO] crate RobotDisco/rust_chat has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing RobotDisco/rust_chat against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RobotDisco/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] befc681aa45097b562b3a5d3b481af5ea652a9a7d45b3075ea9f6e86b00b8c50
[INFO] running `"docker" "start" "-a" "befc681aa45097b562b3a5d3b481af5ea652a9a7d45b3075ea9f6e86b00b8c50"`
[INFO] [stderr]    Compiling http-muncher v0.2.5
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling sha1 v0.1.1
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `"docker" "inspect" "befc681aa45097b562b3a5d3b481af5ea652a9a7d45b3075ea9f6e86b00b8c50"`
[INFO] running `"docker" "rm" "-f" "befc681aa45097b562b3a5d3b481af5ea652a9a7d45b3075ea9f6e86b00b8c50"`
[INFO] [stdout] befc681aa45097b562b3a5d3b481af5ea652a9a7d45b3075ea9f6e86b00b8c50
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RobotDisco/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2822a430a2c9fd4fdc4eaa5a76635bcb536bc18676fbc006a0580072cf1f6156
[INFO] running `"docker" "start" "-a" "2822a430a2c9fd4fdc4eaa5a76635bcb536bc18676fbc006a0580072cf1f6156"`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "2822a430a2c9fd4fdc4eaa5a76635bcb536bc18676fbc006a0580072cf1f6156"`
[INFO] running `"docker" "rm" "-f" "2822a430a2c9fd4fdc4eaa5a76635bcb536bc18676fbc006a0580072cf1f6156"`
[INFO] [stdout] 2822a430a2c9fd4fdc4eaa5a76635bcb536bc18676fbc006a0580072cf1f6156
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/RobotDisco/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 7008220d9f27cf815d293f51f5ce4cb2b72ce3db795fb94756855590a3cd5bb6
[INFO] running `"docker" "start" "-a" "7008220d9f27cf815d293f51f5ce4cb2b72ce3db795fb94756855590a3cd5bb6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chat-5eae083c58675729
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7008220d9f27cf815d293f51f5ce4cb2b72ce3db795fb94756855590a3cd5bb6"`
[INFO] running `"docker" "rm" "-f" "7008220d9f27cf815d293f51f5ce4cb2b72ce3db795fb94756855590a3cd5bb6"`
[INFO] [stdout] 7008220d9f27cf815d293f51f5ce4cb2b72ce3db795fb94756855590a3cd5bb6