[INFO] crate arc-reactor 0.2.4 is already in cache [INFO] extracting crate arc-reactor 0.2.4 into work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/arc-reactor/0.2.4 [INFO] extracting crate arc-reactor 0.2.4 into work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/arc-reactor/0.2.4 [INFO] validating manifest of arc-reactor-0.2.4 on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of arc-reactor-0.2.4 on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing arc-reactor-0.2.4 [INFO] finished frobbing arc-reactor-0.2.4 [INFO] frobbed toml for arc-reactor-0.2.4 written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/arc-reactor/0.2.4/Cargo.toml [INFO] started frobbing arc-reactor-0.2.4 [INFO] finished frobbing arc-reactor-0.2.4 [INFO] frobbed toml for arc-reactor-0.2.4 written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/arc-reactor/0.2.4/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking arc-reactor-0.2.4 against try#42445ded8fd34235a676755cb5d079658ed51f6a for pr-60944 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-4/try#42445ded8fd34235a676755cb5d079658ed51f6a:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/arc-reactor/0.2.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5dedd6aeb87877c605cfb3f3e0724a16d39a11d219443bdcca8fb7dd24949f3b [INFO] running `"docker" "start" "-a" "5dedd6aeb87877c605cfb3f3e0724a16d39a11d219443bdcca8fb7dd24949f3b"` [INFO] [stderr] Checking hyperx v0.13.2 [INFO] [stderr] Checking serde_qs v0.4.6 [INFO] [stderr] Checking tokio-tls v0.1.4 [INFO] [stderr] Checking arc-reactor v0.2.4 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/contrib/staticFileServer.rs:109:16 [INFO] [stderr] | [INFO] [stderr] 109 | let mut res = Response::new().with_status(404); [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/contrib/staticFileServer.rs:113:16 [INFO] [stderr] | [INFO] [stderr] 113 | let mut res = Response::new().with_status(500); [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/routing/routegroup.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | let mut handler = ArcHandler { [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/contrib/staticFileServer.rs:109:16 [INFO] [stderr] | [INFO] [stderr] 109 | let mut res = Response::new().with_status(404); [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/contrib/staticFileServer.rs:113:16 [INFO] [stderr] | [INFO] [stderr] 113 | let mut res = Response::new().with_status(500); [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/routing/routegroup.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | let mut handler = ArcHandler { [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.41s [INFO] running `"docker" "inspect" "5dedd6aeb87877c605cfb3f3e0724a16d39a11d219443bdcca8fb7dd24949f3b"` [INFO] running `"docker" "rm" "-f" "5dedd6aeb87877c605cfb3f3e0724a16d39a11d219443bdcca8fb7dd24949f3b"` [INFO] [stdout] 5dedd6aeb87877c605cfb3f3e0724a16d39a11d219443bdcca8fb7dd24949f3b