[INFO] updating cached repository hoshi-takanori/rust_chat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hoshi-takanori/rust_chat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hoshi-takanori/rust_chat" "work/ex/beta-1.37-6/sources/1.36.0/gh/hoshi-takanori/rust_chat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hoshi-takanori/rust_chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hoshi-takanori/rust_chat" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hoshi-takanori/rust_chat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hoshi-takanori/rust_chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e059b3225cdd1e3a87b64f8f68b9ad6d6d340e28
[INFO] sha for GitHub repo hoshi-takanori/rust_chat: e059b3225cdd1e3a87b64f8f68b9ad6d6d340e28
[INFO] validating manifest of hoshi-takanori/rust_chat on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hoshi-takanori/rust_chat on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hoshi-takanori/rust_chat
[INFO] finished frobbing hoshi-takanori/rust_chat
[INFO] frobbed toml for hoshi-takanori/rust_chat written to work/ex/beta-1.37-6/sources/1.36.0/gh/hoshi-takanori/rust_chat/Cargo.toml
[INFO] started frobbing hoshi-takanori/rust_chat
[INFO] finished frobbing hoshi-takanori/rust_chat
[INFO] frobbed toml for hoshi-takanori/rust_chat written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hoshi-takanori/rust_chat/Cargo.toml
[INFO] crate hoshi-takanori/rust_chat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing hoshi-takanori/rust_chat against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hoshi-takanori/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b79a4678a9798869c6f3f74fe4f960f76938ed33d521d5096f8757f0dbdd4a30
[INFO] running `"docker" "start" "-a" "b79a4678a9798869c6f3f74fe4f960f76938ed33d521d5096f8757f0dbdd4a30"`
[INFO] [stderr]    Compiling rust_chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "b79a4678a9798869c6f3f74fe4f960f76938ed33d521d5096f8757f0dbdd4a30"`
[INFO] running `"docker" "rm" "-f" "b79a4678a9798869c6f3f74fe4f960f76938ed33d521d5096f8757f0dbdd4a30"`
[INFO] [stdout] b79a4678a9798869c6f3f74fe4f960f76938ed33d521d5096f8757f0dbdd4a30
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hoshi-takanori/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] dce29af86757a3391cc49b6e7b04d241646c3322200e11c789aadad1c89a7ceb
[INFO] running `"docker" "start" "-a" "dce29af86757a3391cc49b6e7b04d241646c3322200e11c789aadad1c89a7ceb"`
[INFO] [stderr]    Compiling rust_chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "dce29af86757a3391cc49b6e7b04d241646c3322200e11c789aadad1c89a7ceb"`
[INFO] running `"docker" "rm" "-f" "dce29af86757a3391cc49b6e7b04d241646c3322200e11c789aadad1c89a7ceb"`
[INFO] [stdout] dce29af86757a3391cc49b6e7b04d241646c3322200e11c789aadad1c89a7ceb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hoshi-takanori/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0576591f3bcec0054688b0a228be498bfc7b8d5dff5d6a8a87194f5f2ca69fad
[INFO] running `"docker" "start" "-a" "0576591f3bcec0054688b0a228be498bfc7b8d5dff5d6a8a87194f5f2ca69fad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_chat-3d3cc37727d1226c
[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" "0576591f3bcec0054688b0a228be498bfc7b8d5dff5d6a8a87194f5f2ca69fad"`
[INFO] running `"docker" "rm" "-f" "0576591f3bcec0054688b0a228be498bfc7b8d5dff5d6a8a87194f5f2ca69fad"`
[INFO] [stdout] 0576591f3bcec0054688b0a228be498bfc7b8d5dff5d6a8a87194f5f2ca69fad