[INFO] crate cortex-dispatcher 0.1.2 is already in cache
[INFO] extracting crate cortex-dispatcher 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/cortex-dispatcher/0.1.2
[INFO] extracting crate cortex-dispatcher 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cortex-dispatcher/0.1.2
[INFO] validating manifest of cortex-dispatcher-0.1.2 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 cortex-dispatcher-0.1.2 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 cortex-dispatcher-0.1.2
[INFO] finished frobbing cortex-dispatcher-0.1.2
[INFO] frobbed toml for cortex-dispatcher-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cortex-dispatcher/0.1.2/Cargo.toml
[INFO] started frobbing cortex-dispatcher-0.1.2
[INFO] finished frobbing cortex-dispatcher-0.1.2
[INFO] frobbed toml for cortex-dispatcher-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cortex-dispatcher/0.1.2/Cargo.toml
[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] 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 cortex-dispatcher-0.1.2 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-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cortex-dispatcher/0.1.2:/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] c7f86d0af343ed2abddde17e3b1dc435bc9b8e37ce239e6253ec6a4f77f7d076
[INFO] running `"docker" "start" "-a" "c7f86d0af343ed2abddde17e3b1dc435bc9b8e37ce239e6253ec6a4f77f7d076"`
[INFO] [stderr]    Compiling serde_regex v0.3.1
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling cortex-dispatcher v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:71:15
[INFO] [stderr]    |
[INFO] [stderr] 71 |     if let Ok(c) = merge_result {
[INFO] [stderr]    |               ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `"docker" "inspect" "c7f86d0af343ed2abddde17e3b1dc435bc9b8e37ce239e6253ec6a4f77f7d076"`
[INFO] running `"docker" "rm" "-f" "c7f86d0af343ed2abddde17e3b1dc435bc9b8e37ce239e6253ec6a4f77f7d076"`
[INFO] [stdout] c7f86d0af343ed2abddde17e3b1dc435bc9b8e37ce239e6253ec6a4f77f7d076
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cortex-dispatcher/0.1.2:/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] 9ee773572d88c155d99939c351ead297c0c6774841d4c3a398b92c7318fe408a
[INFO] running `"docker" "start" "-a" "9ee773572d88c155d99939c351ead297c0c6774841d4c3a398b92c7318fe408a"`
[INFO] [stderr]    Compiling cortex-dispatcher v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:71:15
[INFO] [stderr]    |
[INFO] [stderr] 71 |     if let Ok(c) = merge_result {
[INFO] [stderr]    |               ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "9ee773572d88c155d99939c351ead297c0c6774841d4c3a398b92c7318fe408a"`
[INFO] running `"docker" "rm" "-f" "9ee773572d88c155d99939c351ead297c0c6774841d4c3a398b92c7318fe408a"`
[INFO] [stdout] 9ee773572d88c155d99939c351ead297c0c6774841d4c3a398b92c7318fe408a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cortex-dispatcher/0.1.2:/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] eb4e91d2963ee55399ef577e9b81b222429600be6edd759fe045c2375f840f92
[INFO] running `"docker" "start" "-a" "eb4e91d2963ee55399ef577e9b81b222429600be6edd759fe045c2375f840f92"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cortex_dispatcher-d45e60f158aea1d5
[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" "eb4e91d2963ee55399ef577e9b81b222429600be6edd759fe045c2375f840f92"`
[INFO] running `"docker" "rm" "-f" "eb4e91d2963ee55399ef577e9b81b222429600be6edd759fe045c2375f840f92"`
[INFO] [stdout] eb4e91d2963ee55399ef577e9b81b222429600be6edd759fe045c2375f840f92