[INFO] updating cached repository chufanl/plainchat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chufanl/plainchat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chufanl/plainchat" "work/ex/beta-1.38-1/sources/1.37.0/gh/chufanl/plainchat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/chufanl/plainchat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chufanl/plainchat" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chufanl/plainchat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chufanl/plainchat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee5e322a18fbe86c3e34e8d3cbecb812dd3c147a
[INFO] sha for GitHub repo chufanl/plainchat: ee5e322a18fbe86c3e34e8d3cbecb812dd3c147a
[INFO] validating manifest of chufanl/plainchat on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chufanl/plainchat on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chufanl/plainchat
[INFO] finished frobbing chufanl/plainchat
[INFO] frobbed toml for chufanl/plainchat written to work/ex/beta-1.38-1/sources/1.37.0/gh/chufanl/plainchat/Cargo.toml
[INFO] started frobbing chufanl/plainchat
[INFO] finished frobbing chufanl/plainchat
[INFO] frobbed toml for chufanl/plainchat written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chufanl/plainchat/Cargo.toml
[INFO] crate chufanl/plainchat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing chufanl/plainchat against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chufanl/plainchat:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f8c3efc09656ccd9080db1825bceb36b0260977e73dedbe93ee3e14beee4ef02
[INFO] running `"docker" "start" "-a" "f8c3efc09656ccd9080db1825bceb36b0260977e73dedbe93ee3e14beee4ef02"`
[INFO] [stderr]    Compiling plainchat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "f8c3efc09656ccd9080db1825bceb36b0260977e73dedbe93ee3e14beee4ef02"`
[INFO] running `"docker" "rm" "-f" "f8c3efc09656ccd9080db1825bceb36b0260977e73dedbe93ee3e14beee4ef02"`
[INFO] [stdout] f8c3efc09656ccd9080db1825bceb36b0260977e73dedbe93ee3e14beee4ef02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chufanl/plainchat:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 80f89dbc41f8556877f9a0b1d423f9f507cfd9a3eda0a42927e005877580787d
[INFO] running `"docker" "start" "-a" "80f89dbc41f8556877f9a0b1d423f9f507cfd9a3eda0a42927e005877580787d"`
[INFO] [stderr]    Compiling plainchat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "80f89dbc41f8556877f9a0b1d423f9f507cfd9a3eda0a42927e005877580787d"`
[INFO] running `"docker" "rm" "-f" "80f89dbc41f8556877f9a0b1d423f9f507cfd9a3eda0a42927e005877580787d"`
[INFO] [stdout] 80f89dbc41f8556877f9a0b1d423f9f507cfd9a3eda0a42927e005877580787d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chufanl/plainchat:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 74adcfebb689a3659f3213a2526aa4812be029d5ec7451b63183dbc86ebd94fb
[INFO] running `"docker" "start" "-a" "74adcfebb689a3659f3213a2526aa4812be029d5ec7451b63183dbc86ebd94fb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/plainchat-cbd1037dc1ffd091
[INFO] [stderr]      Running /opt/crater/target/debug/deps/plainchat-4467ee05ea89f245
[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] [stdout] 
[INFO] [stderr]    Doc-tests plainchat
[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] [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" "74adcfebb689a3659f3213a2526aa4812be029d5ec7451b63183dbc86ebd94fb"`
[INFO] running `"docker" "rm" "-f" "74adcfebb689a3659f3213a2526aa4812be029d5ec7451b63183dbc86ebd94fb"`
[INFO] [stdout] 74adcfebb689a3659f3213a2526aa4812be029d5ec7451b63183dbc86ebd94fb