[INFO] updating cached repository buffet/carbot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/buffet/carbot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/buffet/carbot" "work/ex/beta-1.38-1/sources/1.37.0/gh/buffet/carbot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/buffet/carbot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/buffet/carbot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buffet/carbot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buffet/carbot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f5e1e5b64b47b124633f2bc1c53304c1fd392f22
[INFO] sha for GitHub repo buffet/carbot: f5e1e5b64b47b124633f2bc1c53304c1fd392f22
[INFO] validating manifest of buffet/carbot 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 buffet/carbot 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 buffet/carbot
[INFO] finished frobbing buffet/carbot
[INFO] frobbed toml for buffet/carbot written to work/ex/beta-1.38-1/sources/1.37.0/gh/buffet/carbot/Cargo.toml
[INFO] started frobbing buffet/carbot
[INFO] finished frobbing buffet/carbot
[INFO] frobbed toml for buffet/carbot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buffet/carbot/Cargo.toml
[INFO] crate buffet/carbot 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 buffet/carbot 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-2/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/buffet/carbot:/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] 8f9f436023761deed2833fda07eaaae8831cc8a89354f5cf174a286cec86a0bd
[INFO] running `"docker" "start" "-a" "8f9f436023761deed2833fda07eaaae8831cc8a89354f5cf174a286cec86a0bd"`
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]    Compiling kankyo v0.2.0
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling flate2 v1.0.5
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling serenity v0.5.11
[INFO] [stderr]    Compiling carbot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `"docker" "inspect" "8f9f436023761deed2833fda07eaaae8831cc8a89354f5cf174a286cec86a0bd"`
[INFO] running `"docker" "rm" "-f" "8f9f436023761deed2833fda07eaaae8831cc8a89354f5cf174a286cec86a0bd"`
[INFO] [stdout] 8f9f436023761deed2833fda07eaaae8831cc8a89354f5cf174a286cec86a0bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/buffet/carbot:/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] 80baae76b6419d024f6ae692c6d64e6920d6b731f07d19c26d5dfb5c5306487b
[INFO] running `"docker" "start" "-a" "80baae76b6419d024f6ae692c6d64e6920d6b731f07d19c26d5dfb5c5306487b"`
[INFO] [stderr]    Compiling carbot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "80baae76b6419d024f6ae692c6d64e6920d6b731f07d19c26d5dfb5c5306487b"`
[INFO] running `"docker" "rm" "-f" "80baae76b6419d024f6ae692c6d64e6920d6b731f07d19c26d5dfb5c5306487b"`
[INFO] [stdout] 80baae76b6419d024f6ae692c6d64e6920d6b731f07d19c26d5dfb5c5306487b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/buffet/carbot:/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] 828c690a0347fb2328e20307d6bde7d691da97aecbdeff56c0562cd6d58aa54f
[INFO] running `"docker" "start" "-a" "828c690a0347fb2328e20307d6bde7d691da97aecbdeff56c0562cd6d58aa54f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/carbot-3ca4938af1dee5c6
[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" "828c690a0347fb2328e20307d6bde7d691da97aecbdeff56c0562cd6d58aa54f"`
[INFO] running `"docker" "rm" "-f" "828c690a0347fb2328e20307d6bde7d691da97aecbdeff56c0562cd6d58aa54f"`
[INFO] [stdout] 828c690a0347fb2328e20307d6bde7d691da97aecbdeff56c0562cd6d58aa54f