[INFO] updating cached repository ogata-k/omikuji
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ogata-k/omikuji
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ogata-k/omikuji" "work/ex/beta-1.38-1/sources/1.37.0/gh/ogata-k/omikuji"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ogata-k/omikuji'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ogata-k/omikuji" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/omikuji"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/omikuji'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2a17eed9d87978505d1e3fecf9927bfff437a149
[INFO] sha for GitHub repo ogata-k/omikuji: 2a17eed9d87978505d1e3fecf9927bfff437a149
[INFO] validating manifest of ogata-k/omikuji 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 ogata-k/omikuji 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 ogata-k/omikuji
[INFO] finished frobbing ogata-k/omikuji
[INFO] frobbed toml for ogata-k/omikuji written to work/ex/beta-1.38-1/sources/1.37.0/gh/ogata-k/omikuji/Cargo.toml
[INFO] started frobbing ogata-k/omikuji
[INFO] finished frobbing ogata-k/omikuji
[INFO] frobbed toml for ogata-k/omikuji written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/omikuji/Cargo.toml
[INFO] crate ogata-k/omikuji 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/ogata-k/omikuji/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[INFO] the lockfile is outdated, regenerating it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 ogata-k/omikuji against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/omikuji:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b79d5c52961e0d916f200e94deef4ee9939978bd224d208b4cfadaa656c824a1
[INFO] running `"docker" "start" "-a" "b79d5c52961e0d916f200e94deef4ee9939978bd224d208b4cfadaa656c824a1"`
[INFO] [stderr]    Compiling omikuji v1.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:49:16
[INFO] [stderr]    |
[INFO] [stderr] 49 |     if let Err(e) = data_folder.read_dir(){
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `"docker" "inspect" "b79d5c52961e0d916f200e94deef4ee9939978bd224d208b4cfadaa656c824a1"`
[INFO] running `"docker" "rm" "-f" "b79d5c52961e0d916f200e94deef4ee9939978bd224d208b4cfadaa656c824a1"`
[INFO] [stdout] b79d5c52961e0d916f200e94deef4ee9939978bd224d208b4cfadaa656c824a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/omikuji:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 551e89e248aa089d79ceb8fd12e5c2b1d50266196342b64045c0dc3e42f2b152
[INFO] running `"docker" "start" "-a" "551e89e248aa089d79ceb8fd12e5c2b1d50266196342b64045c0dc3e42f2b152"`
[INFO] [stderr]    Compiling omikuji v1.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:49:16
[INFO] [stderr]    |
[INFO] [stderr] 49 |     if let Err(e) = data_folder.read_dir(){
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "551e89e248aa089d79ceb8fd12e5c2b1d50266196342b64045c0dc3e42f2b152"`
[INFO] running `"docker" "rm" "-f" "551e89e248aa089d79ceb8fd12e5c2b1d50266196342b64045c0dc3e42f2b152"`
[INFO] [stdout] 551e89e248aa089d79ceb8fd12e5c2b1d50266196342b64045c0dc3e42f2b152
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ogata-k/omikuji:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e7d8029d6c4d25cebbf80cee95678a0017ce196dc5b6eb0df6fb41482b737759
[INFO] running `"docker" "start" "-a" "e7d8029d6c4d25cebbf80cee95678a0017ce196dc5b6eb0df6fb41482b737759"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/omikuji-4063fec9f4c3aaa2
[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" "e7d8029d6c4d25cebbf80cee95678a0017ce196dc5b6eb0df6fb41482b737759"`
[INFO] running `"docker" "rm" "-f" "e7d8029d6c4d25cebbf80cee95678a0017ce196dc5b6eb0df6fb41482b737759"`
[INFO] [stdout] e7d8029d6c4d25cebbf80cee95678a0017ce196dc5b6eb0df6fb41482b737759