[INFO] updating cached repository gokultp/hashq
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gokultp/hashq
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gokultp/hashq" "work/ex/beta-1.37-6/sources/1.36.0/gh/gokultp/hashq"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gokultp/hashq'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gokultp/hashq" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gokultp/hashq"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gokultp/hashq'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a00df5b896f971c9ef8c904693f9e49799b7224
[INFO] sha for GitHub repo gokultp/hashq: 3a00df5b896f971c9ef8c904693f9e49799b7224
[INFO] validating manifest of gokultp/hashq 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 gokultp/hashq 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 gokultp/hashq
[INFO] finished frobbing gokultp/hashq
[INFO] frobbed toml for gokultp/hashq written to work/ex/beta-1.37-6/sources/1.36.0/gh/gokultp/hashq/Cargo.toml
[INFO] started frobbing gokultp/hashq
[INFO] finished frobbing gokultp/hashq
[INFO] frobbed toml for gokultp/hashq written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gokultp/hashq/Cargo.toml
[INFO] crate gokultp/hashq 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gokultp/hashq 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/gokultp/hashq:/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] eb99ff2f0fac51febf74954a016e80d6d1cae052d417a5ed29a99cb038f5d1ff
[INFO] running `"docker" "start" "-a" "eb99ff2f0fac51febf74954a016e80d6d1cae052d417a5ed29a99cb038f5d1ff"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling toml v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling hashq v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage_engine/mod.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut last_job = 0;
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Job`
[INFO] [stderr]  --> src/storage_engine/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Job {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.58s
[INFO] running `"docker" "inspect" "eb99ff2f0fac51febf74954a016e80d6d1cae052d417a5ed29a99cb038f5d1ff"`
[INFO] running `"docker" "rm" "-f" "eb99ff2f0fac51febf74954a016e80d6d1cae052d417a5ed29a99cb038f5d1ff"`
[INFO] [stdout] eb99ff2f0fac51febf74954a016e80d6d1cae052d417a5ed29a99cb038f5d1ff
[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/gokultp/hashq:/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] 5f79b5ede9a61a5fde8724405ebec3baf5d87e01ed225bebb03cdab9d07b577c
[INFO] running `"docker" "start" "-a" "5f79b5ede9a61a5fde8724405ebec3baf5d87e01ed225bebb03cdab9d07b577c"`
[INFO] [stderr]    Compiling hashq v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage_engine/mod.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut last_job = 0;
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Job`
[INFO] [stderr]  --> src/storage_engine/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Job {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "5f79b5ede9a61a5fde8724405ebec3baf5d87e01ed225bebb03cdab9d07b577c"`
[INFO] running `"docker" "rm" "-f" "5f79b5ede9a61a5fde8724405ebec3baf5d87e01ed225bebb03cdab9d07b577c"`
[INFO] [stdout] 5f79b5ede9a61a5fde8724405ebec3baf5d87e01ed225bebb03cdab9d07b577c
[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/gokultp/hashq:/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] c6a82d089240b356e8042013adfdd10043a5c6649da11a6f679f9c4a65598dec
[INFO] running `"docker" "start" "-a" "c6a82d089240b356e8042013adfdd10043a5c6649da11a6f679f9c4a65598dec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hashq-b66de0712ffd4625
[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" "c6a82d089240b356e8042013adfdd10043a5c6649da11a6f679f9c4a65598dec"`
[INFO] running `"docker" "rm" "-f" "c6a82d089240b356e8042013adfdd10043a5c6649da11a6f679f9c4a65598dec"`
[INFO] [stdout] c6a82d089240b356e8042013adfdd10043a5c6649da11a6f679f9c4a65598dec