[INFO] updating cached repository lasagnaphil/rust-lox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lasagnaphil/rust-lox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lasagnaphil/rust-lox" "work/ex/beta-1.38-1/sources/1.37.0/gh/lasagnaphil/rust-lox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lasagnaphil/rust-lox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lasagnaphil/rust-lox" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lasagnaphil/rust-lox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lasagnaphil/rust-lox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a1445706717af021b86a1a3ab242bfa95b985c54
[INFO] sha for GitHub repo lasagnaphil/rust-lox: a1445706717af021b86a1a3ab242bfa95b985c54
[INFO] validating manifest of lasagnaphil/rust-lox 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 lasagnaphil/rust-lox 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 lasagnaphil/rust-lox
[INFO] finished frobbing lasagnaphil/rust-lox
[INFO] frobbed toml for lasagnaphil/rust-lox written to work/ex/beta-1.38-1/sources/1.37.0/gh/lasagnaphil/rust-lox/Cargo.toml
[INFO] started frobbing lasagnaphil/rust-lox
[INFO] finished frobbing lasagnaphil/rust-lox
[INFO] frobbed toml for lasagnaphil/rust-lox written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lasagnaphil/rust-lox/Cargo.toml
[INFO] crate lasagnaphil/rust-lox 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 lasagnaphil/rust-lox 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lasagnaphil/rust-lox:/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] e24f4f423208ffd2b4ab36c58adcdb695612220b1f86bc34de1b89a28d26c3e8
[INFO] running `"docker" "start" "-a" "e24f4f423208ffd2b4ab36c58adcdb695612220b1f86bc34de1b89a28d26c3e8"`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/scanner.rs:75:16
[INFO] [stderr]    |
[INFO] [stderr] 75 |             '0'...'9' => self.number(),
[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/scanner.rs:76:16
[INFO] [stderr]    |
[INFO] [stderr] 76 |             'a'...'z' | 'A'...'Z' | '_' => self.identifier(),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/scanner.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 |             'a'...'z' | 'A'...'Z' | '_' => self.identifier(),
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `synchronize`
[INFO] [stderr]    --> src/parser.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn synchronize(&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:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         lox::run_file(&args[1]);
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         lox::run_prompt();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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 1.98s
[INFO] running `"docker" "inspect" "e24f4f423208ffd2b4ab36c58adcdb695612220b1f86bc34de1b89a28d26c3e8"`
[INFO] running `"docker" "rm" "-f" "e24f4f423208ffd2b4ab36c58adcdb695612220b1f86bc34de1b89a28d26c3e8"`
[INFO] [stdout] e24f4f423208ffd2b4ab36c58adcdb695612220b1f86bc34de1b89a28d26c3e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lasagnaphil/rust-lox:/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] e33c1cb02d6624aa8aefcb11202fc2a16a664274ccad915cbab00babb06092d1
[INFO] running `"docker" "start" "-a" "e33c1cb02d6624aa8aefcb11202fc2a16a664274ccad915cbab00babb06092d1"`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         lox::run_file(&args[1]);
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         lox::run_prompt();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/scanner.rs:75:16
[INFO] [stderr]    |
[INFO] [stderr] 75 |             '0'...'9' => self.number(),
[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/scanner.rs:76:16
[INFO] [stderr]    |
[INFO] [stderr] 76 |             'a'...'z' | 'A'...'Z' | '_' => self.identifier(),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/scanner.rs:76:28
[INFO] [stderr]    |
[INFO] [stderr] 76 |             'a'...'z' | 'A'...'Z' | '_' => self.identifier(),
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `synchronize`
[INFO] [stderr]    --> src/parser.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn synchronize(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `"docker" "inspect" "e33c1cb02d6624aa8aefcb11202fc2a16a664274ccad915cbab00babb06092d1"`
[INFO] running `"docker" "rm" "-f" "e33c1cb02d6624aa8aefcb11202fc2a16a664274ccad915cbab00babb06092d1"`
[INFO] [stdout] e33c1cb02d6624aa8aefcb11202fc2a16a664274ccad915cbab00babb06092d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lasagnaphil/rust-lox:/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] ec57cd355462c1f4f27ce8a055fb78191e65fc7379e9fbd4d4f244e529af7fc1
[INFO] running `"docker" "start" "-a" "ec57cd355462c1f4f27ce8a055fb78191e65fc7379e9fbd4d4f244e529af7fc1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rlox-630228fe26a9ba89
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::print_ast ... 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/rlox-209610ff9a708c6f
[INFO] [stderr]    Doc-tests rlox
[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" "ec57cd355462c1f4f27ce8a055fb78191e65fc7379e9fbd4d4f244e529af7fc1"`
[INFO] running `"docker" "rm" "-f" "ec57cd355462c1f4f27ce8a055fb78191e65fc7379e9fbd4d4f244e529af7fc1"`
[INFO] [stdout] ec57cd355462c1f4f27ce8a055fb78191e65fc7379e9fbd4d4f244e529af7fc1