[INFO] updating cached repository ThatOtherPerson/forth
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ThatOtherPerson/forth
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ThatOtherPerson/forth" "work/ex/beta-1.38-1/sources/1.37.0/gh/ThatOtherPerson/forth"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ThatOtherPerson/forth'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ThatOtherPerson/forth" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThatOtherPerson/forth"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThatOtherPerson/forth'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f2eb40633f3710e75ca391e9c7055a695ea1c31
[INFO] sha for GitHub repo ThatOtherPerson/forth: 9f2eb40633f3710e75ca391e9c7055a695ea1c31
[INFO] validating manifest of ThatOtherPerson/forth 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 ThatOtherPerson/forth 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 ThatOtherPerson/forth
[INFO] finished frobbing ThatOtherPerson/forth
[INFO] frobbed toml for ThatOtherPerson/forth written to work/ex/beta-1.38-1/sources/1.37.0/gh/ThatOtherPerson/forth/Cargo.toml
[INFO] started frobbing ThatOtherPerson/forth
[INFO] finished frobbing ThatOtherPerson/forth
[INFO] frobbed toml for ThatOtherPerson/forth written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThatOtherPerson/forth/Cargo.toml
[INFO] crate ThatOtherPerson/forth 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 ThatOtherPerson/forth 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-7/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/ThatOtherPerson/forth:/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] 482071412da3d1797c7bef5143803288c2a9c8d7aace5a5b75625085086517b4
[INFO] running `"docker" "start" "-a" "482071412da3d1797c7bef5143803288c2a9c8d7aace5a5b75625085086517b4"`
[INFO] [stderr]    Compiling forth v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `unary_word`
[INFO] [stderr]   --> src/stdlib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / fn unary_word<F>(forth: &mut Runtime, callback: F) -> FResult
[INFO] [stderr] 12 | | where
[INFO] [stderr] 13 | |     F: FnMut(i32) -> i32,
[INFO] [stderr] 14 | | {
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |         .ok_or("Stack underflow".to_string())
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "482071412da3d1797c7bef5143803288c2a9c8d7aace5a5b75625085086517b4"`
[INFO] running `"docker" "rm" "-f" "482071412da3d1797c7bef5143803288c2a9c8d7aace5a5b75625085086517b4"`
[INFO] [stdout] 482071412da3d1797c7bef5143803288c2a9c8d7aace5a5b75625085086517b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/ThatOtherPerson/forth:/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] e2c2fb0822cf41fda9a729240a35d8c9644c72c0ca46a272c85fead84575ef88
[INFO] running `"docker" "start" "-a" "e2c2fb0822cf41fda9a729240a35d8c9644c72c0ca46a272c85fead84575ef88"`
[INFO] [stderr]    Compiling forth v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `unary_word`
[INFO] [stderr]   --> src/stdlib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / fn unary_word<F>(forth: &mut Runtime, callback: F) -> FResult
[INFO] [stderr] 12 | | where
[INFO] [stderr] 13 | |     F: FnMut(i32) -> i32,
[INFO] [stderr] 14 | | {
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |         .ok_or("Stack underflow".to_string())
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "e2c2fb0822cf41fda9a729240a35d8c9644c72c0ca46a272c85fead84575ef88"`
[INFO] running `"docker" "rm" "-f" "e2c2fb0822cf41fda9a729240a35d8c9644c72c0ca46a272c85fead84575ef88"`
[INFO] [stdout] e2c2fb0822cf41fda9a729240a35d8c9644c72c0ca46a272c85fead84575ef88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/ThatOtherPerson/forth:/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] 4393ee1e032316e911f8ab80fa4b2a5b764501235c471769e2f7879c5b19d317
[INFO] running `"docker" "start" "-a" "4393ee1e032316e911f8ab80fa4b2a5b764501235c471769e2f7879c5b19d317"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/forth-b3a8d463a8199639
[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]    Doc-tests forth
[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" "4393ee1e032316e911f8ab80fa4b2a5b764501235c471769e2f7879c5b19d317"`
[INFO] running `"docker" "rm" "-f" "4393ee1e032316e911f8ab80fa4b2a5b764501235c471769e2f7879c5b19d317"`
[INFO] [stdout] 4393ee1e032316e911f8ab80fa4b2a5b764501235c471769e2f7879c5b19d317