[INFO] updating cached repository bouncenow/rlox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bouncenow/rlox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bouncenow/rlox" "work/ex/beta-1.38-1/sources/1.37.0/gh/bouncenow/rlox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bouncenow/rlox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bouncenow/rlox" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bouncenow/rlox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bouncenow/rlox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 263e1b2bbc960ec8014a508d7acd6b73f883a44c
[INFO] sha for GitHub repo bouncenow/rlox: 263e1b2bbc960ec8014a508d7acd6b73f883a44c
[INFO] validating manifest of bouncenow/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 bouncenow/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 bouncenow/rlox
[INFO] finished frobbing bouncenow/rlox
[INFO] frobbed toml for bouncenow/rlox written to work/ex/beta-1.38-1/sources/1.37.0/gh/bouncenow/rlox/Cargo.toml
[INFO] started frobbing bouncenow/rlox
[INFO] finished frobbing bouncenow/rlox
[INFO] frobbed toml for bouncenow/rlox written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bouncenow/rlox/Cargo.toml
[INFO] crate bouncenow/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 bouncenow/rlox against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bouncenow/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 100f59e014e1d4c54e95ee0ba9b9f654016b02edff91586fe9ee0b8f3f3d021f
[INFO] running `"docker" "start" "-a" "100f59e014e1d4c54e95ee0ba9b9f654016b02edff91586fe9ee0b8f3f3d021f"`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scan.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |             '0' ... '9' => {
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scan.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |             'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scan.rs:200:31
[INFO] [stderr]     |
[INFO] [stderr] 200 |             'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stderr]     |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expression.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Callable(Rc<RloxCallable>),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn RloxCallable`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:230:25
[INFO] [stderr]     |
[INFO] [stderr] 230 |                     let mut env_with_super = RefCell::new(Environment::new_with_enclosing(Rc::clone(&self.current_env)));
[INFO] [stderr]     |                         ----^^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let mut parse_as_statements_res = parse::parse(&tokens);
[INFO] [stderr]    |                 ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `"docker" "inspect" "100f59e014e1d4c54e95ee0ba9b9f654016b02edff91586fe9ee0b8f3f3d021f"`
[INFO] running `"docker" "rm" "-f" "100f59e014e1d4c54e95ee0ba9b9f654016b02edff91586fe9ee0b8f3f3d021f"`
[INFO] [stdout] 100f59e014e1d4c54e95ee0ba9b9f654016b02edff91586fe9ee0b8f3f3d021f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bouncenow/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c45cce0fc756824ae3043ad3082d82890b7783a8ef0c51060d1db2b331ffb12d
[INFO] running `"docker" "start" "-a" "c45cce0fc756824ae3043ad3082d82890b7783a8ef0c51060d1db2b331ffb12d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scan.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |             '0' ... '9' => {
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scan.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |             'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/scan.rs:200:31
[INFO] [stderr]     |
[INFO] [stderr] 200 |             'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stderr]     |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/expression.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Callable(Rc<RloxCallable>),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn RloxCallable`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let mut parse_as_statements_res = parse::parse(&tokens);
[INFO] [stderr]    |                 ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:230:25
[INFO] [stderr]     |
[INFO] [stderr] 230 |                     let mut env_with_super = RefCell::new(Environment::new_with_enclosing(Rc::clone(&self.current_env)));
[INFO] [stderr]     |                         ----^^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `"docker" "inspect" "c45cce0fc756824ae3043ad3082d82890b7783a8ef0c51060d1db2b331ffb12d"`
[INFO] running `"docker" "rm" "-f" "c45cce0fc756824ae3043ad3082d82890b7783a8ef0c51060d1db2b331ffb12d"`
[INFO] [stdout] c45cce0fc756824ae3043ad3082d82890b7783a8ef0c51060d1db2b331ffb12d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bouncenow/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b8e81bc850ecc288ac86f069566d40a3a7cdad709928375e74d67f062806bcf0
[INFO] running `"docker" "start" "-a" "b8e81bc850ecc288ac86f069566d40a3a7cdad709928375e74d67f062806bcf0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rlox-de73344a00d59c41
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rlox-ad06eb4376fab234
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rlox
[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] [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] [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" "b8e81bc850ecc288ac86f069566d40a3a7cdad709928375e74d67f062806bcf0"`
[INFO] running `"docker" "rm" "-f" "b8e81bc850ecc288ac86f069566d40a3a7cdad709928375e74d67f062806bcf0"`
[INFO] [stdout] b8e81bc850ecc288ac86f069566d40a3a7cdad709928375e74d67f062806bcf0