[INFO] updating cached repository osheari1/rustbook
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/osheari1/rustbook
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/osheari1/rustbook" "work/ex/beta-1.37-6/sources/1.36.0/gh/osheari1/rustbook"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/osheari1/rustbook'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/osheari1/rustbook" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/osheari1/rustbook"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/osheari1/rustbook'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d5e7c5da7a195de367a83e1683385ee390d079da
[INFO] sha for GitHub repo osheari1/rustbook: d5e7c5da7a195de367a83e1683385ee390d079da
[INFO] validating manifest of osheari1/rustbook 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 osheari1/rustbook 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 osheari1/rustbook
[INFO] finished frobbing osheari1/rustbook
[INFO] frobbed toml for osheari1/rustbook written to work/ex/beta-1.37-6/sources/1.36.0/gh/osheari1/rustbook/Cargo.toml
[INFO] started frobbing osheari1/rustbook
[INFO] finished frobbing osheari1/rustbook
[INFO] frobbed toml for osheari1/rustbook written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/osheari1/rustbook/Cargo.toml
[INFO] crate osheari1/rustbook 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 osheari1/rustbook 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/osheari1/rustbook:/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] 8a05c779a3e3ae1948278fc24fe5a1d8cba85a01173b95bb76625a4225e59ebc
[INFO] running `"docker" "start" "-a" "8a05c779a3e3ae1948278fc24fe5a1d8cba85a01173b95bb76625a4225e59ebc"`
[INFO] [stderr]    Compiling rustbook v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `"docker" "inspect" "8a05c779a3e3ae1948278fc24fe5a1d8cba85a01173b95bb76625a4225e59ebc"`
[INFO] running `"docker" "rm" "-f" "8a05c779a3e3ae1948278fc24fe5a1d8cba85a01173b95bb76625a4225e59ebc"`
[INFO] [stdout] 8a05c779a3e3ae1948278fc24fe5a1d8cba85a01173b95bb76625a4225e59ebc
[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/osheari1/rustbook:/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] b38b6cdec40f041579f637c9d9e96f26eb29b1730c062e588cb5ec0d5bfce154
[INFO] running `"docker" "start" "-a" "b38b6cdec40f041579f637c9d9e96f26eb29b1730c062e588cb5ec0d5bfce154"`
[INFO] [stderr]    Compiling rustbook v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "b38b6cdec40f041579f637c9d9e96f26eb29b1730c062e588cb5ec0d5bfce154"`
[INFO] running `"docker" "rm" "-f" "b38b6cdec40f041579f637c9d9e96f26eb29b1730c062e588cb5ec0d5bfce154"`
[INFO] [stdout] b38b6cdec40f041579f637c9d9e96f26eb29b1730c062e588cb5ec0d5bfce154
[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/osheari1/rustbook:/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] dbf3ac4b4f1aef9d5cb30b205acbdb2f7b9c079ffb7787bfe1e7afd54a93efe3
[INFO] running `"docker" "start" "-a" "dbf3ac4b4f1aef9d5cb30b205acbdb2f7b9c079ffb7787bfe1e7afd54a93efe3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustbook-f9d8393a4110fcb9
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]      Running /opt/crater/target/debug/deps/rustbook-1b8ae1683828eec5
[INFO] [stderr]    Doc-tests rustbook
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/enums_patternmatching/if_let.rs - enums_patternmatching::if_let::run (line 6) ... ok
[INFO] [stdout] test src/common_programming_concepts/variables_mutability.rs - common_programming_concepts::variables_mutability::run (line 16) ... ok
[INFO] [stdout] test src/structs/defining_instantiating.rs - structs::defining_instantiating::User (line 5) ... ok
[INFO] [stdout] test src/structs/defining_instantiating.rs - structs::defining_instantiating::User (line 35) ... ok
[INFO] [stdout] test src/common_programming_concepts/variables_mutability.rs - common_programming_concepts::variables_mutability::run (line 23) ... ok
[INFO] [stdout] test src/structs/defining_instantiating.rs - structs::defining_instantiating::User (line 20) ... ok
[INFO] [stdout] test src/common_programming_concepts/variables_mutability.rs - common_programming_concepts::variables_mutability::run (line 8) ... ok
[INFO] [stdout] test src/ownership/slices.rs - ownership::slices::run (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dbf3ac4b4f1aef9d5cb30b205acbdb2f7b9c079ffb7787bfe1e7afd54a93efe3"`
[INFO] running `"docker" "rm" "-f" "dbf3ac4b4f1aef9d5cb30b205acbdb2f7b9c079ffb7787bfe1e7afd54a93efe3"`
[INFO] [stdout] dbf3ac4b4f1aef9d5cb30b205acbdb2f7b9c079ffb7787bfe1e7afd54a93efe3