[INFO] updating cached repository damianpudlo/rust-book
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/damianpudlo/rust-book
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/damianpudlo/rust-book" "work/ex/beta-1.38-1/sources/1.37.0/gh/damianpudlo/rust-book"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/damianpudlo/rust-book'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/damianpudlo/rust-book" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/damianpudlo/rust-book"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/damianpudlo/rust-book'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a9e67954934a27cea45aa1b05d0791a32a4c0e4
[INFO] sha for GitHub repo damianpudlo/rust-book: 3a9e67954934a27cea45aa1b05d0791a32a4c0e4
[INFO] validating manifest of damianpudlo/rust-book 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 damianpudlo/rust-book 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 damianpudlo/rust-book
[INFO] finished frobbing damianpudlo/rust-book
[INFO] frobbed toml for damianpudlo/rust-book written to work/ex/beta-1.38-1/sources/1.37.0/gh/damianpudlo/rust-book/Cargo.toml
[INFO] started frobbing damianpudlo/rust-book
[INFO] finished frobbing damianpudlo/rust-book
[INFO] frobbed toml for damianpudlo/rust-book written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/damianpudlo/rust-book/Cargo.toml
[INFO] crate damianpudlo/rust-book 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing damianpudlo/rust-book 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-6/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/damianpudlo/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 84592f8332452186b331aced646538fa582ed09d3c43e08e9ec21388a17102e4
[INFO] running `"docker" "start" "-a" "84592f8332452186b331aced646538fa582ed09d3c43e08e9ec21388a17102e4"`
[INFO] [stderr]    Compiling quessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "84592f8332452186b331aced646538fa582ed09d3c43e08e9ec21388a17102e4"`
[INFO] running `"docker" "rm" "-f" "84592f8332452186b331aced646538fa582ed09d3c43e08e9ec21388a17102e4"`
[INFO] [stdout] 84592f8332452186b331aced646538fa582ed09d3c43e08e9ec21388a17102e4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/damianpudlo/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 344ba7b12c9b54a4f926c1f41843a5fe826bffe66ed6115dc7e9e3d864aaf69b
[INFO] running `"docker" "start" "-a" "344ba7b12c9b54a4f926c1f41843a5fe826bffe66ed6115dc7e9e3d864aaf69b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling quessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "344ba7b12c9b54a4f926c1f41843a5fe826bffe66ed6115dc7e9e3d864aaf69b"`
[INFO] running `"docker" "rm" "-f" "344ba7b12c9b54a4f926c1f41843a5fe826bffe66ed6115dc7e9e3d864aaf69b"`
[INFO] [stdout] 344ba7b12c9b54a4f926c1f41843a5fe826bffe66ed6115dc7e9e3d864aaf69b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/damianpudlo/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4ac0dc2d92b5e75d32a8345f82583a279bf1d15de0bb85114dd538f1fdaecc38
[INFO] running `"docker" "start" "-a" "4ac0dc2d92b5e75d32a8345f82583a279bf1d15de0bb85114dd538f1fdaecc38"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quessing_game-4cb9bb027c72422c
[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" "4ac0dc2d92b5e75d32a8345f82583a279bf1d15de0bb85114dd538f1fdaecc38"`
[INFO] running `"docker" "rm" "-f" "4ac0dc2d92b5e75d32a8345f82583a279bf1d15de0bb85114dd538f1fdaecc38"`
[INFO] [stdout] 4ac0dc2d92b5e75d32a8345f82583a279bf1d15de0bb85114dd538f1fdaecc38