[INFO] updating cached repository epellis/rlox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/epellis/rlox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/epellis/rlox" "work/ex/beta-1.38-1/sources/1.37.0/gh/epellis/rlox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/epellis/rlox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/epellis/rlox" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/epellis/rlox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/epellis/rlox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e8b09293f1e82379b2a8f6ecf67a83606b284778
[INFO] sha for GitHub repo epellis/rlox: e8b09293f1e82379b2a8f6ecf67a83606b284778
[INFO] validating manifest of epellis/rlox 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 epellis/rlox 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 epellis/rlox
[INFO] finished frobbing epellis/rlox
[INFO] frobbed toml for epellis/rlox written to work/ex/beta-1.38-1/sources/1.37.0/gh/epellis/rlox/Cargo.toml
[INFO] started frobbing epellis/rlox
[INFO] finished frobbing epellis/rlox
[INFO] frobbed toml for epellis/rlox written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/epellis/rlox/Cargo.toml
[INFO] crate epellis/rlox 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 epellis/rlox 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/epellis/rlox:/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] ef03917c44401b0a3f41ab283679fb2efa7831b5bcb81106a2c0b915ae67ca52
[INFO] running `"docker" "start" "-a" "ef03917c44401b0a3f41ab283679fb2efa7831b5bcb81106a2c0b915ae67ca52"`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `treewalk` in `rlox`
[INFO] [stderr]  --> src/main.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |         1 => rlox::treewalk::run_prompt(),
[INFO] [stderr]   |                    ^^^^^^^^ could not find `treewalk` in `rlox`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `treewalk` in `rlox`
[INFO] [stderr]   --> src/main.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |         2 => rlox::treewalk::run_file(&args[1]),
[INFO] [stderr]    |                    ^^^^^^^^ could not find `treewalk` in `rlox`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `rlox`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ef03917c44401b0a3f41ab283679fb2efa7831b5bcb81106a2c0b915ae67ca52"`
[INFO] running `"docker" "rm" "-f" "ef03917c44401b0a3f41ab283679fb2efa7831b5bcb81106a2c0b915ae67ca52"`
[INFO] [stdout] ef03917c44401b0a3f41ab283679fb2efa7831b5bcb81106a2c0b915ae67ca52