[INFO] cloning repository gfreezy/bitcask-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/gfreezy/bitcask-rs.git" "work/cache/sources/gh/gfreezy/bitcask-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/gfreezy/bitcask-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/gfreezy/bitcask-rs" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/gfreezy/bitcask-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/gfreezy/bitcask-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gfreezy/bitcask-rs" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/gfreezy/bitcask-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/gfreezy/bitcask-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 04fabaaf969b18319475ba6cebafde3d690aa5e5
[INFO] sha for GitHub repo gfreezy/bitcask-rs: 04fabaaf969b18319475ba6cebafde3d690aa5e5
[INFO] validating manifest of gfreezy/bitcask-rs on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gfreezy/bitcask-rs on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gfreezy/bitcask-rs
[INFO] finished frobbing gfreezy/bitcask-rs
[INFO] frobbed toml for gfreezy/bitcask-rs written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/gfreezy/bitcask-rs/Cargo.toml
[INFO] started frobbing gfreezy/bitcask-rs
[INFO] finished frobbing gfreezy/bitcask-rs
[INFO] frobbed toml for gfreezy/bitcask-rs written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/gfreezy/bitcask-rs/Cargo.toml
[INFO] crate gfreezy/bitcask-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-at v0.4.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gfreezy/bitcask-rs against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-6/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/gfreezy/bitcask-rs:/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=forbid" "-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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 49b754e77dd80e2ecd0cc0047da7688d07c8a06922dfca960362ab4a5efa1795
[INFO] running `"docker" "start" "-a" "49b754e77dd80e2ecd0cc0047da7688d07c8a06922dfca960362ab4a5efa1795"`
[INFO] [stderr]     Checking io-at v0.4.1
[INFO] [stderr]     Checking twox-hash v1.1.1
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking serde_yaml v0.8.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking serde-value v0.5.2
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]     Checking bitcask-rs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]    --> src/store.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     config: Arc<Config>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_segment`
[INFO] [stderr]    --> src/store.rs:365:5
[INFO] [stderr]     |
[INFO] [stderr] 365 |     fn remove_segment(&self, file_id: u64) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]    --> src/store.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     config: Arc<Config>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_segment`
[INFO] [stderr]    --> src/store.rs:365:5
[INFO] [stderr]     |
[INFO] [stderr] 365 |     fn remove_segment(&self, file_id: u64) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
[INFO] [stderr]   --> examples/profile.rs:10:41
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let id: String = rand::thread_rng().gen_ascii_chars().take(16).collect();
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> examples/profile.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     for i in 0..100000000 {
[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 39.08s
[INFO] running `"docker" "inspect" "49b754e77dd80e2ecd0cc0047da7688d07c8a06922dfca960362ab4a5efa1795"`
[INFO] running `"docker" "rm" "-f" "49b754e77dd80e2ecd0cc0047da7688d07c8a06922dfca960362ab4a5efa1795"`
[INFO] [stdout] 49b754e77dd80e2ecd0cc0047da7688d07c8a06922dfca960362ab4a5efa1795