[INFO] updating cached repository WillemMali/rust-guessing
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/WillemMali/rust-guessing
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/WillemMali/rust-guessing" "work/ex/beta-1.37-6/sources/1.36.0/gh/WillemMali/rust-guessing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/WillemMali/rust-guessing'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/WillemMali/rust-guessing" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/WillemMali/rust-guessing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/WillemMali/rust-guessing'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa8577f5359f2d2f391c396cb1818862afd6a175
[INFO] sha for GitHub repo WillemMali/rust-guessing: aa8577f5359f2d2f391c396cb1818862afd6a175
[INFO] validating manifest of WillemMali/rust-guessing 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 WillemMali/rust-guessing 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 WillemMali/rust-guessing
[INFO] finished frobbing WillemMali/rust-guessing
[INFO] frobbed toml for WillemMali/rust-guessing written to work/ex/beta-1.37-6/sources/1.36.0/gh/WillemMali/rust-guessing/Cargo.toml
[INFO] started frobbing WillemMali/rust-guessing
[INFO] finished frobbing WillemMali/rust-guessing
[INFO] frobbed toml for WillemMali/rust-guessing written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/WillemMali/rust-guessing/Cargo.toml
[INFO] crate WillemMali/rust-guessing 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing WillemMali/rust-guessing 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-3/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/WillemMali/rust-guessing:/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] 1b4d4c772db71b59dcfc0563ec5b7035395977a819133d0c3552d721961f1e24
[INFO] running `"docker" "start" "-a" "1b4d4c772db71b59dcfc0563ec5b7035395977a819133d0c3552d721961f1e24"`
[INFO] [stderr]    Compiling guessing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "1b4d4c772db71b59dcfc0563ec5b7035395977a819133d0c3552d721961f1e24"`
[INFO] running `"docker" "rm" "-f" "1b4d4c772db71b59dcfc0563ec5b7035395977a819133d0c3552d721961f1e24"`
[INFO] [stdout] 1b4d4c772db71b59dcfc0563ec5b7035395977a819133d0c3552d721961f1e24
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/WillemMali/rust-guessing:/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] f25d9c309e70b60dff5bc95390f659a223273fc71d9e39e90061ff8086b346c7
[INFO] running `"docker" "start" "-a" "f25d9c309e70b60dff5bc95390f659a223273fc71d9e39e90061ff8086b346c7"`
[INFO] [stderr]    Compiling guessing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "f25d9c309e70b60dff5bc95390f659a223273fc71d9e39e90061ff8086b346c7"`
[INFO] running `"docker" "rm" "-f" "f25d9c309e70b60dff5bc95390f659a223273fc71d9e39e90061ff8086b346c7"`
[INFO] [stdout] f25d9c309e70b60dff5bc95390f659a223273fc71d9e39e90061ff8086b346c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/WillemMali/rust-guessing:/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] 2eb5ff1c4b42e599bb0217d00a32c640d5c010350b40444f58379ca02daa760d
[INFO] running `"docker" "start" "-a" "2eb5ff1c4b42e599bb0217d00a32c640d5c010350b40444f58379ca02daa760d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing-f9600d024c9e297b
[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" "2eb5ff1c4b42e599bb0217d00a32c640d5c010350b40444f58379ca02daa760d"`
[INFO] running `"docker" "rm" "-f" "2eb5ff1c4b42e599bb0217d00a32c640d5c010350b40444f58379ca02daa760d"`
[INFO] [stdout] 2eb5ff1c4b42e599bb0217d00a32c640d5c010350b40444f58379ca02daa760d