[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-1.38-1/sources/1.37.0/gh/vijaykm2/TheRustProgrammingLanguageBook"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vijaykm2/TheRustProgrammingLanguageBook'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vijaykm2/TheRustProgrammingLanguageBook" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vijaykm2/TheRustProgrammingLanguageBook"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vijaykm2/TheRustProgrammingLanguageBook 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 vijaykm2/TheRustProgrammingLanguageBook
[INFO] finished frobbing vijaykm2/TheRustProgrammingLanguageBook
[INFO] frobbed toml for vijaykm2/TheRustProgrammingLanguageBook written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 vijaykm2/TheRustProgrammingLanguageBook 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-3/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 45684e3b7f6c49dffccbc1fa40115eb6d56f10ccb75ac19a84046f43fbc0eed7
[INFO] running `"docker" "start" "-a" "45684e3b7f6c49dffccbc1fa40115eb6d56f10ccb75ac19a84046f43fbc0eed7"`
[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 0.52s
[INFO] running `"docker" "inspect" "45684e3b7f6c49dffccbc1fa40115eb6d56f10ccb75ac19a84046f43fbc0eed7"`
[INFO] running `"docker" "rm" "-f" "45684e3b7f6c49dffccbc1fa40115eb6d56f10ccb75ac19a84046f43fbc0eed7"`
[INFO] [stdout] 45684e3b7f6c49dffccbc1fa40115eb6d56f10ccb75ac19a84046f43fbc0eed7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4ae07b496e647ccf8d684f5f32dfa81516836552cfe8af81f13fc80691a62b55
[INFO] running `"docker" "start" "-a" "4ae07b496e647ccf8d684f5f32dfa81516836552cfe8af81f13fc80691a62b55"`
[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 0.49s
[INFO] running `"docker" "inspect" "4ae07b496e647ccf8d684f5f32dfa81516836552cfe8af81f13fc80691a62b55"`
[INFO] running `"docker" "rm" "-f" "4ae07b496e647ccf8d684f5f32dfa81516836552cfe8af81f13fc80691a62b55"`
[INFO] [stdout] 4ae07b496e647ccf8d684f5f32dfa81516836552cfe8af81f13fc80691a62b55
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b46757b14f05245c230155e4d2710ee18d115a19bdd383079e6f69f59753ac52
[INFO] running `"docker" "start" "-a" "b46757b14f05245c230155e4d2710ee18d115a19bdd383079e6f69f59753ac52"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/TheRustProgrammingLanguageBook-d7b79dec645601df
[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" "b46757b14f05245c230155e4d2710ee18d115a19bdd383079e6f69f59753ac52"`
[INFO] running `"docker" "rm" "-f" "b46757b14f05245c230155e4d2710ee18d115a19bdd383079e6f69f59753ac52"`
[INFO] [stdout] b46757b14f05245c230155e4d2710ee18d115a19bdd383079e6f69f59753ac52