[INFO] updating cached repository vijaykm2/TheRustProgrammingLanguageBook
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vijaykm2/TheRustProgrammingLanguageBook
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vijaykm2/TheRustProgrammingLanguageBook" "work/ex/beta-1.37-6/sources/1.36.0/gh/vijaykm2/TheRustProgrammingLanguageBook"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/vijaykm2/TheRustProgrammingLanguageBook'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vijaykm2/TheRustProgrammingLanguageBook" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vijaykm2/TheRustProgrammingLanguageBook"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vijaykm2/TheRustProgrammingLanguageBook'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12d7c828497e7a2e1abfe923db877ef8c821c5e5
[INFO] sha for GitHub repo vijaykm2/TheRustProgrammingLanguageBook: 12d7c828497e7a2e1abfe923db877ef8c821c5e5
[INFO] validating manifest of vijaykm2/TheRustProgrammingLanguageBook 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 vijaykm2/TheRustProgrammingLanguageBook 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 vijaykm2/TheRustProgrammingLanguageBook
[INFO] finished frobbing vijaykm2/TheRustProgrammingLanguageBook
[INFO] frobbed toml for vijaykm2/TheRustProgrammingLanguageBook written to work/ex/beta-1.37-6/sources/1.36.0/gh/vijaykm2/TheRustProgrammingLanguageBook/Cargo.toml
[INFO] started frobbing vijaykm2/TheRustProgrammingLanguageBook
[INFO] finished frobbing vijaykm2/TheRustProgrammingLanguageBook
[INFO] frobbed toml for vijaykm2/TheRustProgrammingLanguageBook written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vijaykm2/TheRustProgrammingLanguageBook/Cargo.toml
[INFO] crate vijaykm2/TheRustProgrammingLanguageBook 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 vijaykm2/TheRustProgrammingLanguageBook 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-6/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/vijaykm2/TheRustProgrammingLanguageBook:/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] 1088e9bc3dcf8d3357c77ca5e49ebf228f5b60b8b15148b45a6c9860cdf61e65
[INFO] running `"docker" "start" "-a" "1088e9bc3dcf8d3357c77ca5e49ebf228f5b60b8b15148b45a6c9860cdf61e65"`
[INFO] [stderr]    Compiling TheRustProgrammingLanguageBook v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `TheRustProgrammingLanguageBook` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `the_rust_programming_language_book`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "1088e9bc3dcf8d3357c77ca5e49ebf228f5b60b8b15148b45a6c9860cdf61e65"`
[INFO] running `"docker" "rm" "-f" "1088e9bc3dcf8d3357c77ca5e49ebf228f5b60b8b15148b45a6c9860cdf61e65"`
[INFO] [stdout] 1088e9bc3dcf8d3357c77ca5e49ebf228f5b60b8b15148b45a6c9860cdf61e65
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/vijaykm2/TheRustProgrammingLanguageBook:/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] 169fbd1c6208b549ef10ce58e54df8d5f4ee72d7af0b2a918e8a8d983dcb4614
[INFO] running `"docker" "start" "-a" "169fbd1c6208b549ef10ce58e54df8d5f4ee72d7af0b2a918e8a8d983dcb4614"`
[INFO] [stderr]    Compiling TheRustProgrammingLanguageBook v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `TheRustProgrammingLanguageBook` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `the_rust_programming_language_book`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "169fbd1c6208b549ef10ce58e54df8d5f4ee72d7af0b2a918e8a8d983dcb4614"`
[INFO] running `"docker" "rm" "-f" "169fbd1c6208b549ef10ce58e54df8d5f4ee72d7af0b2a918e8a8d983dcb4614"`
[INFO] [stdout] 169fbd1c6208b549ef10ce58e54df8d5f4ee72d7af0b2a918e8a8d983dcb4614
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/vijaykm2/TheRustProgrammingLanguageBook:/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] 8a871f2e211308310d044a0d62b50a1e3f4c85e7b3589869e6921e33f4ccd963
[INFO] running `"docker" "start" "-a" "8a871f2e211308310d044a0d62b50a1e3f4c85e7b3589869e6921e33f4ccd963"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/TheRustProgrammingLanguageBook-cb4d32f2bd697b56
[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" "8a871f2e211308310d044a0d62b50a1e3f4c85e7b3589869e6921e33f4ccd963"`
[INFO] running `"docker" "rm" "-f" "8a871f2e211308310d044a0d62b50a1e3f4c85e7b3589869e6921e33f4ccd963"`
[INFO] [stdout] 8a871f2e211308310d044a0d62b50a1e3f4c85e7b3589869e6921e33f4ccd963