[INFO] updating cached repository syeo66/microlist
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/syeo66/microlist
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/syeo66/microlist" "work/ex/beta-1.38-1/sources/1.37.0/gh/syeo66/microlist"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/syeo66/microlist'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/syeo66/microlist" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/syeo66/microlist"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/syeo66/microlist'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 63f2a3bcd06d8a80860b46adb16c376092cfcebd
[INFO] sha for GitHub repo syeo66/microlist: 63f2a3bcd06d8a80860b46adb16c376092cfcebd
[INFO] validating manifest of syeo66/microlist 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 syeo66/microlist 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 syeo66/microlist
[INFO] finished frobbing syeo66/microlist
[INFO] frobbed toml for syeo66/microlist written to work/ex/beta-1.38-1/sources/1.37.0/gh/syeo66/microlist/Cargo.toml
[INFO] started frobbing syeo66/microlist
[INFO] finished frobbing syeo66/microlist
[INFO] frobbed toml for syeo66/microlist written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/syeo66/microlist/Cargo.toml
[INFO] crate syeo66/microlist 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 syeo66/microlist 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-4/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/syeo66/microlist:/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] 140e06b144badf76cc4691dc8b252fcda6b76ea5db9efa41a135b2831263d8fa
[INFO] running `"docker" "start" "-a" "140e06b144badf76cc4691dc8b252fcda6b76ea5db9efa41a135b2831263d8fa"`
[INFO] [stderr]    Compiling microlist v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let matches = App::new(APP_INFO.name)
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `"docker" "inspect" "140e06b144badf76cc4691dc8b252fcda6b76ea5db9efa41a135b2831263d8fa"`
[INFO] running `"docker" "rm" "-f" "140e06b144badf76cc4691dc8b252fcda6b76ea5db9efa41a135b2831263d8fa"`
[INFO] [stdout] 140e06b144badf76cc4691dc8b252fcda6b76ea5db9efa41a135b2831263d8fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/syeo66/microlist:/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] f0d8f501a012226f1c71671f29ed5d8ed966dfe8f20c0f46e9a71091db072bf6
[INFO] running `"docker" "start" "-a" "f0d8f501a012226f1c71671f29ed5d8ed966dfe8f20c0f46e9a71091db072bf6"`
[INFO] [stderr]    Compiling microlist v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let matches = App::new(APP_INFO.name)
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "f0d8f501a012226f1c71671f29ed5d8ed966dfe8f20c0f46e9a71091db072bf6"`
[INFO] running `"docker" "rm" "-f" "f0d8f501a012226f1c71671f29ed5d8ed966dfe8f20c0f46e9a71091db072bf6"`
[INFO] [stdout] f0d8f501a012226f1c71671f29ed5d8ed966dfe8f20c0f46e9a71091db072bf6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/syeo66/microlist:/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] ae6e4858fa7ae1ac9359e3bb0bd716fc8984816e7ffa6a3ec9af77ddc16110ba
[INFO] running `"docker" "start" "-a" "ae6e4858fa7ae1ac9359e3bb0bd716fc8984816e7ffa6a3ec9af77ddc16110ba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/microlist-25280402a6328863
[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" "ae6e4858fa7ae1ac9359e3bb0bd716fc8984816e7ffa6a3ec9af77ddc16110ba"`
[INFO] running `"docker" "rm" "-f" "ae6e4858fa7ae1ac9359e3bb0bd716fc8984816e7ffa6a3ec9af77ddc16110ba"`
[INFO] [stdout] ae6e4858fa7ae1ac9359e3bb0bd716fc8984816e7ffa6a3ec9af77ddc16110ba