[INFO] updating cached repository booyaa/nanogenmo2016
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/booyaa/nanogenmo2016
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/booyaa/nanogenmo2016" "work/ex/beta-1.38-1/sources/1.37.0/gh/booyaa/nanogenmo2016"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/booyaa/nanogenmo2016'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/booyaa/nanogenmo2016" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/booyaa/nanogenmo2016"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/booyaa/nanogenmo2016'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1686d8cd20bc9ca124966b4acf5b85d351641229
[INFO] sha for GitHub repo booyaa/nanogenmo2016: 1686d8cd20bc9ca124966b4acf5b85d351641229
[INFO] validating manifest of booyaa/nanogenmo2016 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 booyaa/nanogenmo2016 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 booyaa/nanogenmo2016
[INFO] finished frobbing booyaa/nanogenmo2016
[INFO] frobbed toml for booyaa/nanogenmo2016 written to work/ex/beta-1.38-1/sources/1.37.0/gh/booyaa/nanogenmo2016/Cargo.toml
[INFO] started frobbing booyaa/nanogenmo2016
[INFO] finished frobbing booyaa/nanogenmo2016
[INFO] frobbed toml for booyaa/nanogenmo2016 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/booyaa/nanogenmo2016/Cargo.toml
[INFO] crate booyaa/nanogenmo2016 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/booyaa/nanogenmo2016/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[INFO] the lockfile is outdated, regenerating it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 booyaa/nanogenmo2016 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/booyaa/nanogenmo2016:/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] 04a022d47588b172428ee860e4893fef80536b8b8244dec9f9ac9bc7c1408bce
[INFO] running `"docker" "start" "-a" "04a022d47588b172428ee860e4893fef80536b8b8244dec9f9ac9bc7c1408bce"`
[INFO] [stderr]    Compiling numeral v0.1.2
[INFO] [stderr]    Compiling nanogenmo2016 v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     for i in 0..sentence_sizes {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "04a022d47588b172428ee860e4893fef80536b8b8244dec9f9ac9bc7c1408bce"`
[INFO] running `"docker" "rm" "-f" "04a022d47588b172428ee860e4893fef80536b8b8244dec9f9ac9bc7c1408bce"`
[INFO] [stdout] 04a022d47588b172428ee860e4893fef80536b8b8244dec9f9ac9bc7c1408bce
[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/booyaa/nanogenmo2016:/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] f79a3ee37247986f96027d90104ec227ab3f01102eaf56d3b8f521fc18416eaf
[INFO] running `"docker" "start" "-a" "f79a3ee37247986f96027d90104ec227ab3f01102eaf56d3b8f521fc18416eaf"`
[INFO] [stderr]    Compiling nanogenmo2016 v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     for i in 0..sentence_sizes {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "f79a3ee37247986f96027d90104ec227ab3f01102eaf56d3b8f521fc18416eaf"`
[INFO] running `"docker" "rm" "-f" "f79a3ee37247986f96027d90104ec227ab3f01102eaf56d3b8f521fc18416eaf"`
[INFO] [stdout] f79a3ee37247986f96027d90104ec227ab3f01102eaf56d3b8f521fc18416eaf
[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/booyaa/nanogenmo2016:/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] 8be19b9f9bf71b2f4231e69931b03a3d3cb8bb55b406583d4c62afa68b4f0d19
[INFO] running `"docker" "start" "-a" "8be19b9f9bf71b2f4231e69931b03a3d3cb8bb55b406583d4c62afa68b4f0d19"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nanogenmo2016-29d472638962f2d9
[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" "8be19b9f9bf71b2f4231e69931b03a3d3cb8bb55b406583d4c62afa68b4f0d19"`
[INFO] running `"docker" "rm" "-f" "8be19b9f9bf71b2f4231e69931b03a3d3cb8bb55b406583d4c62afa68b4f0d19"`
[INFO] [stdout] 8be19b9f9bf71b2f4231e69931b03a3d3cb8bb55b406583d4c62afa68b4f0d19