[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-1.37-6/sources/1.36.0/gh/booyaa/nanogenmo2016"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/booyaa/nanogenmo2016'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/booyaa/nanogenmo2016" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/booyaa/nanogenmo2016"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of booyaa/nanogenmo2016 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing booyaa/nanogenmo2016 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ee48de5914d41d4f0b1f32e93403bc305414c4dc66d2c495ccb6f3416b9f55f8
[INFO] running `"docker" "start" "-a" "ee48de5914d41d4f0b1f32e93403bc305414c4dc66d2c495ccb6f3416b9f55f8"`
[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 1.44s
[INFO] running `"docker" "inspect" "ee48de5914d41d4f0b1f32e93403bc305414c4dc66d2c495ccb6f3416b9f55f8"`
[INFO] running `"docker" "rm" "-f" "ee48de5914d41d4f0b1f32e93403bc305414c4dc66d2c495ccb6f3416b9f55f8"`
[INFO] [stdout] ee48de5914d41d4f0b1f32e93403bc305414c4dc66d2c495ccb6f3416b9f55f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2be9b96fb4d30d90272ab3fac58571b11dfaf22e5da300688bd969dbef9003ba
[INFO] running `"docker" "start" "-a" "2be9b96fb4d30d90272ab3fac58571b11dfaf22e5da300688bd969dbef9003ba"`
[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 0.73s
[INFO] running `"docker" "inspect" "2be9b96fb4d30d90272ab3fac58571b11dfaf22e5da300688bd969dbef9003ba"`
[INFO] running `"docker" "rm" "-f" "2be9b96fb4d30d90272ab3fac58571b11dfaf22e5da300688bd969dbef9003ba"`
[INFO] [stdout] 2be9b96fb4d30d90272ab3fac58571b11dfaf22e5da300688bd969dbef9003ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 8827d6afd6c24a85b0cc58a5daca30d5df807c66a474b7459e33b978b39525bf
[INFO] running `"docker" "start" "-a" "8827d6afd6c24a85b0cc58a5daca30d5df807c66a474b7459e33b978b39525bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nanogenmo2016-b7419165ef241a03
[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" "8827d6afd6c24a85b0cc58a5daca30d5df807c66a474b7459e33b978b39525bf"`
[INFO] running `"docker" "rm" "-f" "8827d6afd6c24a85b0cc58a5daca30d5df807c66a474b7459e33b978b39525bf"`
[INFO] [stdout] 8827d6afd6c24a85b0cc58a5daca30d5df807c66a474b7459e33b978b39525bf