[INFO] updating cached repository gb1035/RENA
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gb1035/RENA
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gb1035/RENA" "work/ex/beta-1.38-1/sources/1.37.0/gh/gb1035/RENA"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gb1035/RENA'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gb1035/RENA" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gb1035/RENA"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gb1035/RENA'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a615a687ccb843e3decf0ebb8a5415c700a4f6a9
[INFO] sha for GitHub repo gb1035/RENA: a615a687ccb843e3decf0ebb8a5415c700a4f6a9
[INFO] validating manifest of gb1035/RENA 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 gb1035/RENA 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 gb1035/RENA
[INFO] finished frobbing gb1035/RENA
[INFO] frobbed toml for gb1035/RENA written to work/ex/beta-1.38-1/sources/1.37.0/gh/gb1035/RENA/Cargo.toml
[INFO] started frobbing gb1035/RENA
[INFO] finished frobbing gb1035/RENA
[INFO] frobbed toml for gb1035/RENA written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gb1035/RENA/Cargo.toml
[INFO] crate gb1035/RENA 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gb1035/RENA/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 gb1035/RENA 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gb1035/RENA:/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] 999d4b250f4ab76e8418332a305349ad7d74de928197a2ad3f295e9f7df19784
[INFO] running `"docker" "start" "-a" "999d4b250f4ab76e8418332a305349ad7d74de928197a2ad3f295e9f7df19784"`
[INFO] [stderr]    Compiling fla_log_parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `data_size`
[INFO] [stderr]   --> src/main.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let data_size = data_size as u32;
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_data_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "999d4b250f4ab76e8418332a305349ad7d74de928197a2ad3f295e9f7df19784"`
[INFO] running `"docker" "rm" "-f" "999d4b250f4ab76e8418332a305349ad7d74de928197a2ad3f295e9f7df19784"`
[INFO] [stdout] 999d4b250f4ab76e8418332a305349ad7d74de928197a2ad3f295e9f7df19784
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gb1035/RENA:/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] c56c22dcd73c1d90d6e46ae743d61d9ca59f85e84bc1b22db489072bed110b02
[INFO] running `"docker" "start" "-a" "c56c22dcd73c1d90d6e46ae743d61d9ca59f85e84bc1b22db489072bed110b02"`
[INFO] [stderr]    Compiling fla_log_parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `data_size`
[INFO] [stderr]   --> src/main.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let data_size = data_size as u32;
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_data_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "c56c22dcd73c1d90d6e46ae743d61d9ca59f85e84bc1b22db489072bed110b02"`
[INFO] running `"docker" "rm" "-f" "c56c22dcd73c1d90d6e46ae743d61d9ca59f85e84bc1b22db489072bed110b02"`
[INFO] [stdout] c56c22dcd73c1d90d6e46ae743d61d9ca59f85e84bc1b22db489072bed110b02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/gb1035/RENA:/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] 278524d1661166b5f0a783eb4b7d86fc6e2ba76056021c97d440f5b2b4ac14b6
[INFO] running `"docker" "start" "-a" "278524d1661166b5f0a783eb4b7d86fc6e2ba76056021c97d440f5b2b4ac14b6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fla_log_parser-928622a9f3ab3190
[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" "278524d1661166b5f0a783eb4b7d86fc6e2ba76056021c97d440f5b2b4ac14b6"`
[INFO] running `"docker" "rm" "-f" "278524d1661166b5f0a783eb4b7d86fc6e2ba76056021c97d440f5b2b4ac14b6"`
[INFO] [stdout] 278524d1661166b5f0a783eb4b7d86fc6e2ba76056021c97d440f5b2b4ac14b6