[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[INFO] the lockfile is outdated, regenerating it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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] cadaf2dcaaf394e1689a18d96f0703afb821c4905850ac2e873a1ed381d089ab
[INFO] running `"docker" "start" "-a" "cadaf2dcaaf394e1689a18d96f0703afb821c4905850ac2e873a1ed381d089ab"`
[INFO] [stderr]    Compiling numeral v0.1.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[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 3.19s
[INFO] running `"docker" "inspect" "cadaf2dcaaf394e1689a18d96f0703afb821c4905850ac2e873a1ed381d089ab"`
[INFO] running `"docker" "rm" "-f" "cadaf2dcaaf394e1689a18d96f0703afb821c4905850ac2e873a1ed381d089ab"`
[INFO] [stdout] cadaf2dcaaf394e1689a18d96f0703afb821c4905850ac2e873a1ed381d089ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f1cf42d621a39d2ecaf166a964889ac679f8041bc026442bc52312d9588c34f4
[INFO] running `"docker" "start" "-a" "f1cf42d621a39d2ecaf166a964889ac679f8041bc026442bc52312d9588c34f4"`
[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 0.66s
[INFO] running `"docker" "inspect" "f1cf42d621a39d2ecaf166a964889ac679f8041bc026442bc52312d9588c34f4"`
[INFO] running `"docker" "rm" "-f" "f1cf42d621a39d2ecaf166a964889ac679f8041bc026442bc52312d9588c34f4"`
[INFO] [stdout] f1cf42d621a39d2ecaf166a964889ac679f8041bc026442bc52312d9588c34f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 4f65aab6b6d13ffae93839ee59e1ebf9dd80f195385bc3d1f9b1d00f47ac7cd7
[INFO] running `"docker" "start" "-a" "4f65aab6b6d13ffae93839ee59e1ebf9dd80f195385bc3d1f9b1d00f47ac7cd7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nanogenmo2016-6534e5c0d506eae0
[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" "4f65aab6b6d13ffae93839ee59e1ebf9dd80f195385bc3d1f9b1d00f47ac7cd7"`
[INFO] running `"docker" "rm" "-f" "4f65aab6b6d13ffae93839ee59e1ebf9dd80f195385bc3d1f9b1d00f47ac7cd7"`
[INFO] [stdout] 4f65aab6b6d13ffae93839ee59e1ebf9dd80f195385bc3d1f9b1d00f47ac7cd7