[INFO] updating cached repository dfockler/crappy-lang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dfockler/crappy-lang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dfockler/crappy-lang" "work/ex/beta-1.37-6/sources/1.36.0/gh/dfockler/crappy-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dfockler/crappy-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dfockler/crappy-lang" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dfockler/crappy-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dfockler/crappy-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 422505f69fb8929f6456ca1b16ed72f14c926d7d
[INFO] sha for GitHub repo dfockler/crappy-lang: 422505f69fb8929f6456ca1b16ed72f14c926d7d
[INFO] validating manifest of dfockler/crappy-lang 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 dfockler/crappy-lang 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 dfockler/crappy-lang
[INFO] finished frobbing dfockler/crappy-lang
[INFO] frobbed toml for dfockler/crappy-lang written to work/ex/beta-1.37-6/sources/1.36.0/gh/dfockler/crappy-lang/Cargo.toml
[INFO] started frobbing dfockler/crappy-lang
[INFO] finished frobbing dfockler/crappy-lang
[INFO] frobbed toml for dfockler/crappy-lang written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dfockler/crappy-lang/Cargo.toml
[INFO] crate dfockler/crappy-lang 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/dfockler/crappy-lang/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 dfockler/crappy-lang 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-2/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/dfockler/crappy-lang:/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] 0a31f34ce76e4d9971ec5f93064c6849a7fb2364e8e0e26a1a2219321960e29a
[INFO] running `"docker" "start" "-a" "0a31f34ce76e4d9971ec5f93064c6849a7fb2364e8e0e26a1a2219321960e29a"`
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling crappy-lang v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `memory`
[INFO] [stderr]    --> src/interpreter.rs:116:3
[INFO] [stderr]     |
[INFO] [stderr] 116 |   pub fn memory(&mut self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         io::stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.79s
[INFO] running `"docker" "inspect" "0a31f34ce76e4d9971ec5f93064c6849a7fb2364e8e0e26a1a2219321960e29a"`
[INFO] running `"docker" "rm" "-f" "0a31f34ce76e4d9971ec5f93064c6849a7fb2364e8e0e26a1a2219321960e29a"`
[INFO] [stdout] 0a31f34ce76e4d9971ec5f93064c6849a7fb2364e8e0e26a1a2219321960e29a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/dfockler/crappy-lang:/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] 6981d5c73f2390e435142ee3c22051becf7995e8e2905e18356d2f25f5f45d40
[INFO] running `"docker" "start" "-a" "6981d5c73f2390e435142ee3c22051becf7995e8e2905e18356d2f25f5f45d40"`
[INFO] [stderr]    Compiling crappy-lang v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `memory`
[INFO] [stderr]    --> src/interpreter.rs:116:3
[INFO] [stderr]     |
[INFO] [stderr] 116 |   pub fn memory(&mut self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         io::stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "6981d5c73f2390e435142ee3c22051becf7995e8e2905e18356d2f25f5f45d40"`
[INFO] running `"docker" "rm" "-f" "6981d5c73f2390e435142ee3c22051becf7995e8e2905e18356d2f25f5f45d40"`
[INFO] [stdout] 6981d5c73f2390e435142ee3c22051becf7995e8e2905e18356d2f25f5f45d40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/dfockler/crappy-lang:/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] 43dd7666ce0855ec5a4e99304bf3919d292ef8fdd6032d73255abcdcc358e426
[INFO] running `"docker" "start" "-a" "43dd7666ce0855ec5a4e99304bf3919d292ef8fdd6032d73255abcdcc358e426"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/crappy_lang-361821f7dc63614d
[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" "43dd7666ce0855ec5a4e99304bf3919d292ef8fdd6032d73255abcdcc358e426"`
[INFO] running `"docker" "rm" "-f" "43dd7666ce0855ec5a4e99304bf3919d292ef8fdd6032d73255abcdcc358e426"`
[INFO] [stdout] 43dd7666ce0855ec5a4e99304bf3919d292ef8fdd6032d73255abcdcc358e426