[INFO] updating cached repository flaviodesousa/rust-book
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/flaviodesousa/rust-book
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/flaviodesousa/rust-book" "work/ex/beta-1.37-6/sources/1.36.0/gh/flaviodesousa/rust-book"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/flaviodesousa/rust-book'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/flaviodesousa/rust-book" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/flaviodesousa/rust-book"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/flaviodesousa/rust-book'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db9e2af682e67d1f8b52f8b39ffa889a4f6a61ec
[INFO] sha for GitHub repo flaviodesousa/rust-book: db9e2af682e67d1f8b52f8b39ffa889a4f6a61ec
[INFO] validating manifest of flaviodesousa/rust-book 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 flaviodesousa/rust-book 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 flaviodesousa/rust-book
[INFO] finished frobbing flaviodesousa/rust-book
[INFO] frobbed toml for flaviodesousa/rust-book written to work/ex/beta-1.37-6/sources/1.36.0/gh/flaviodesousa/rust-book/Cargo.toml
[INFO] started frobbing flaviodesousa/rust-book
[INFO] finished frobbing flaviodesousa/rust-book
[INFO] frobbed toml for flaviodesousa/rust-book written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/flaviodesousa/rust-book/Cargo.toml
[INFO] crate flaviodesousa/rust-book 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] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/flaviodesousa/rust-book/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 flaviodesousa/rust-book against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/flaviodesousa/rust-book:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] fc183c538390b1565d921a15a4f6376ad17c348cf7989d1beef68722a9d3305e
[INFO] running `"docker" "start" "-a" "fc183c538390b1565d921a15a4f6376ad17c348cf7989d1beef68722a9d3305e"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "fc183c538390b1565d921a15a4f6376ad17c348cf7989d1beef68722a9d3305e"`
[INFO] running `"docker" "rm" "-f" "fc183c538390b1565d921a15a4f6376ad17c348cf7989d1beef68722a9d3305e"`
[INFO] [stdout] fc183c538390b1565d921a15a4f6376ad17c348cf7989d1beef68722a9d3305e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/flaviodesousa/rust-book:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 44febb3934b108aeb60726e3d26c63d759829132ea9acf672d4064834fd477a6
[INFO] running `"docker" "start" "-a" "44febb3934b108aeb60726e3d26c63d759829132ea9acf672d4064834fd477a6"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "44febb3934b108aeb60726e3d26c63d759829132ea9acf672d4064834fd477a6"`
[INFO] running `"docker" "rm" "-f" "44febb3934b108aeb60726e3d26c63d759829132ea9acf672d4064834fd477a6"`
[INFO] [stdout] 44febb3934b108aeb60726e3d26c63d759829132ea9acf672d4064834fd477a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/flaviodesousa/rust-book:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ff0aef2fe2e3a7a684d2bcb62142f8a6f543bcf3c42430875ccb96c786a2155d
[INFO] running `"docker" "start" "-a" "ff0aef2fe2e3a7a684d2bcb62142f8a6f543bcf3c42430875ccb96c786a2155d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-860adaf23b898a0d
[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" "ff0aef2fe2e3a7a684d2bcb62142f8a6f543bcf3c42430875ccb96c786a2155d"`
[INFO] running `"docker" "rm" "-f" "ff0aef2fe2e3a7a684d2bcb62142f8a6f543bcf3c42430875ccb96c786a2155d"`
[INFO] [stdout] ff0aef2fe2e3a7a684d2bcb62142f8a6f543bcf3c42430875ccb96c786a2155d