[INFO] updating cached repository kartojal/rent-scrapper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kartojal/rent-scrapper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kartojal/rent-scrapper" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/kartojal/rent-scrapper"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/kartojal/rent-scrapper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kartojal/rent-scrapper" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/kartojal/rent-scrapper"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/kartojal/rent-scrapper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 679dd7f01956846d6ca0662d9fb426f0478ac6cd
[INFO] sha for GitHub repo kartojal/rent-scrapper: 679dd7f01956846d6ca0662d9fb426f0478ac6cd
[INFO] validating manifest of kartojal/rent-scrapper on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kartojal/rent-scrapper on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kartojal/rent-scrapper
[INFO] finished frobbing kartojal/rent-scrapper
[INFO] frobbed toml for kartojal/rent-scrapper written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/kartojal/rent-scrapper/Cargo.toml
[INFO] started frobbing kartojal/rent-scrapper
[INFO] finished frobbing kartojal/rent-scrapper
[INFO] frobbed toml for kartojal/rent-scrapper written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/kartojal/rent-scrapper/Cargo.toml
[INFO] crate kartojal/rent-scrapper has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kartojal/rent-scrapper against try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-2/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/kartojal/rent-scrapper:/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" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ca9434a3d8ac3f4a2e6a4533772e99a61a4085f91c8dd82e94ff284f5cadb6bc
[INFO] running `"docker" "start" "-a" "ca9434a3d8ac3f4a2e6a4533772e99a61a4085f91c8dd82e94ff284f5cadb6bc"`
[INFO] [stderr]     Checking ref_slice v1.1.1
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling string_cache_codegen v0.3.1
[INFO] [stderr]    Compiling html5ever v0.13.1
[INFO] [stderr]     Checking tendril v0.2.3
[INFO] [stderr]    Compiling string_cache v0.4.0
[INFO] [stderr]    Compiling html5ever-atoms v0.2.2
[INFO] [stderr]    Compiling cssparser v0.7.4
[INFO] [stderr]     Checking selectors v0.15.2
[INFO] [stderr]     Checking kuchiki v0.4.3
[INFO] [stderr]     Checking rent-scrapper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 |   let mut prices: Vec<u32> = Vec::new();
[INFO] [stderr]    |       ----^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 |   let mut prices: Vec<u32> = Vec::new();
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |   let mut document = kuchiki::parse_html().one(dom);
[INFO] [stderr]    |       ----^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |   let mut document = kuchiki::parse_html().one(dom);
[INFO] [stderr]    |       ----^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.34s
[INFO] running `"docker" "inspect" "ca9434a3d8ac3f4a2e6a4533772e99a61a4085f91c8dd82e94ff284f5cadb6bc"`
[INFO] running `"docker" "rm" "-f" "ca9434a3d8ac3f4a2e6a4533772e99a61a4085f91c8dd82e94ff284f5cadb6bc"`
[INFO] [stdout] ca9434a3d8ac3f4a2e6a4533772e99a61a4085f91c8dd82e94ff284f5cadb6bc