[INFO] updating cached repository bnjbvr/lox.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bnjbvr/lox.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bnjbvr/lox.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/bnjbvr/lox.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bnjbvr/lox.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bnjbvr/lox.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bnjbvr/lox.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bnjbvr/lox.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 682105d3d59bb34f624130660aa2f803b55df658
[INFO] sha for GitHub repo bnjbvr/lox.rs: 682105d3d59bb34f624130660aa2f803b55df658
[INFO] validating manifest of bnjbvr/lox.rs 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 bnjbvr/lox.rs 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 bnjbvr/lox.rs
[INFO] finished frobbing bnjbvr/lox.rs
[INFO] frobbed toml for bnjbvr/lox.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/bnjbvr/lox.rs/Cargo.toml
[INFO] started frobbing bnjbvr/lox.rs
[INFO] finished frobbing bnjbvr/lox.rs
[INFO] frobbed toml for bnjbvr/lox.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bnjbvr/lox.rs/Cargo.toml
[INFO] crate bnjbvr/lox.rs 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 bnjbvr/lox.rs 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bnjbvr/lox.rs:/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] b9c44261e2926e06e6a2480818adb756598958d5403cebc61ebe943f793a12ab
[INFO] running `"docker" "start" "-a" "b9c44261e2926e06e6a2480818adb756598958d5403cebc61ebe943f793a12ab"`
[INFO] [stderr]    Compiling lox_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:32:15
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Other(Box<Error>),
[INFO] [stderr]    |               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `lexem`
[INFO] [stderr]   --> src/tokens.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     lexem: &'source str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "b9c44261e2926e06e6a2480818adb756598958d5403cebc61ebe943f793a12ab"`
[INFO] running `"docker" "rm" "-f" "b9c44261e2926e06e6a2480818adb756598958d5403cebc61ebe943f793a12ab"`
[INFO] [stdout] b9c44261e2926e06e6a2480818adb756598958d5403cebc61ebe943f793a12ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bnjbvr/lox.rs:/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] be25afc36024288db3fd9a23ce1f521f34fa912c4eb6e131eb9dbcaad54879e9
[INFO] running `"docker" "start" "-a" "be25afc36024288db3fd9a23ce1f521f34fa912c4eb6e131eb9dbcaad54879e9"`
[INFO] [stderr]    Compiling lox_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:32:15
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Other(Box<Error>),
[INFO] [stderr]    |               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `lexem`
[INFO] [stderr]   --> src/tokens.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     lexem: &'source str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "be25afc36024288db3fd9a23ce1f521f34fa912c4eb6e131eb9dbcaad54879e9"`
[INFO] running `"docker" "rm" "-f" "be25afc36024288db3fd9a23ce1f521f34fa912c4eb6e131eb9dbcaad54879e9"`
[INFO] [stdout] be25afc36024288db3fd9a23ce1f521f34fa912c4eb6e131eb9dbcaad54879e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bnjbvr/lox.rs:/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] 01e09bf5b58f16fb8b13d5249ad4d943089cce5851b0d0fc49cd525243a6c139
[INFO] running `"docker" "start" "-a" "01e09bf5b58f16fb8b13d5249ad4d943089cce5851b0d0fc49cd525243a6c139"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lox_rs-99a27279ad86dd68
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test scanner::test_scan_number ... ok
[INFO] [stdout] test scanner::test_multines ... ok
[INFO] [stdout] test scanner::test_empty_multilines ... ok
[INFO] [stdout] test scanner::test_comments ... ok
[INFO] [stdout] test scanner::test_scan_string ... ok
[INFO] [stdout] test scanner::test_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "01e09bf5b58f16fb8b13d5249ad4d943089cce5851b0d0fc49cd525243a6c139"`
[INFO] running `"docker" "rm" "-f" "01e09bf5b58f16fb8b13d5249ad4d943089cce5851b0d0fc49cd525243a6c139"`
[INFO] [stdout] 01e09bf5b58f16fb8b13d5249ad4d943089cce5851b0d0fc49cd525243a6c139