[INFO] updating cached repository deagahelio/sws
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/deagahelio/sws
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/deagahelio/sws" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/deagahelio/sws"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/deagahelio/sws'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/deagahelio/sws" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/deagahelio/sws"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/deagahelio/sws'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33a2c9359c4e826642a9c419bf0f220ccb5c7789
[INFO] sha for GitHub repo deagahelio/sws: 33a2c9359c4e826642a9c419bf0f220ccb5c7789
[INFO] validating manifest of deagahelio/sws on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of deagahelio/sws on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing deagahelio/sws
[INFO] finished frobbing deagahelio/sws
[INFO] frobbed toml for deagahelio/sws written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/deagahelio/sws/Cargo.toml
[INFO] started frobbing deagahelio/sws
[INFO] finished frobbing deagahelio/sws
[INFO] frobbed toml for deagahelio/sws written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/deagahelio/sws/Cargo.toml
[INFO] crate deagahelio/sws already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking deagahelio/sws against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-1/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/deagahelio/sws:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8f53445e5c052ed4bbd610d0366901ca3ee41b2b0a5c17c1c5b59677e35872b6
[INFO] running `"docker" "start" "-a" "8f53445e5c052ed4bbd610d0366901ca3ee41b2b0a5c17c1c5b59677e35872b6"`
[INFO] [stderr]     Checking try-exit v1.0.0
[INFO] [stderr]     Checking tiny_http v0.6.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6 (https://github.com/abonander/mime_guess?rev=48d97bd#48d97bda)
[INFO] [stderr]     Checking sws v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut response: ResponseBox;
[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:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |             let mut file = File::open(PATH_404);
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut response: ResponseBox;
[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:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |             let mut file = File::open(PATH_404);
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `"docker" "inspect" "8f53445e5c052ed4bbd610d0366901ca3ee41b2b0a5c17c1c5b59677e35872b6"`
[INFO] running `"docker" "rm" "-f" "8f53445e5c052ed4bbd610d0366901ca3ee41b2b0a5c17c1c5b59677e35872b6"`
[INFO] [stdout] 8f53445e5c052ed4bbd610d0366901ca3ee41b2b0a5c17c1c5b59677e35872b6