[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-1.38-1/sources/1.37.0/gh/gokultp/hashq"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gokultp/hashq'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gokultp/hashq" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gokultp/hashq"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gokultp/hashq 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 gokultp/hashq
[INFO] finished frobbing gokultp/hashq
[INFO] frobbed toml for gokultp/hashq written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 gokultp/hashq 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-0/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3eedc0e7db00e19fd28400dfb6f087e30747106b3fce3a6d2d4ae06c99138949
[INFO] running `"docker" "start" "-a" "3eedc0e7db00e19fd28400dfb6f087e30747106b3fce3a6d2d4ae06c99138949"`
[INFO] [stderr]    Compiling toml v0.5.0
[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 6.85s
[INFO] running `"docker" "inspect" "3eedc0e7db00e19fd28400dfb6f087e30747106b3fce3a6d2d4ae06c99138949"`
[INFO] running `"docker" "rm" "-f" "3eedc0e7db00e19fd28400dfb6f087e30747106b3fce3a6d2d4ae06c99138949"`
[INFO] [stdout] 3eedc0e7db00e19fd28400dfb6f087e30747106b3fce3a6d2d4ae06c99138949
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d8e22c872d76c1ee50164f9ba2ce6ac2e2be0bdb6237766fb075655abf9bd1ec
[INFO] running `"docker" "start" "-a" "d8e22c872d76c1ee50164f9ba2ce6ac2e2be0bdb6237766fb075655abf9bd1ec"`
[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 0.88s
[INFO] running `"docker" "inspect" "d8e22c872d76c1ee50164f9ba2ce6ac2e2be0bdb6237766fb075655abf9bd1ec"`
[INFO] running `"docker" "rm" "-f" "d8e22c872d76c1ee50164f9ba2ce6ac2e2be0bdb6237766fb075655abf9bd1ec"`
[INFO] [stdout] d8e22c872d76c1ee50164f9ba2ce6ac2e2be0bdb6237766fb075655abf9bd1ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b0977291abb75ffb83dddb5763f6ff00be7d4508a45356a34c5a6ee0377041aa
[INFO] running `"docker" "start" "-a" "b0977291abb75ffb83dddb5763f6ff00be7d4508a45356a34c5a6ee0377041aa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hashq-0cda651441640d77
[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" "b0977291abb75ffb83dddb5763f6ff00be7d4508a45356a34c5a6ee0377041aa"`
[INFO] running `"docker" "rm" "-f" "b0977291abb75ffb83dddb5763f6ff00be7d4508a45356a34c5a6ee0377041aa"`
[INFO] [stdout] b0977291abb75ffb83dddb5763f6ff00be7d4508a45356a34c5a6ee0377041aa