[INFO] updating cached repository S2Lab/gravatar-reverse-proxy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/S2Lab/gravatar-reverse-proxy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/S2Lab/gravatar-reverse-proxy" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/S2Lab/gravatar-reverse-proxy"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/S2Lab/gravatar-reverse-proxy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/S2Lab/gravatar-reverse-proxy" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/S2Lab/gravatar-reverse-proxy"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/S2Lab/gravatar-reverse-proxy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 177928ae1e96fe1869f8d7a6fb413be95fddb454
[INFO] sha for GitHub repo S2Lab/gravatar-reverse-proxy: 177928ae1e96fe1869f8d7a6fb413be95fddb454
[INFO] validating manifest of S2Lab/gravatar-reverse-proxy on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of S2Lab/gravatar-reverse-proxy on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing S2Lab/gravatar-reverse-proxy
[INFO] finished frobbing S2Lab/gravatar-reverse-proxy
[INFO] frobbed toml for S2Lab/gravatar-reverse-proxy written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/S2Lab/gravatar-reverse-proxy/Cargo.toml
[INFO] started frobbing S2Lab/gravatar-reverse-proxy
[INFO] finished frobbing S2Lab/gravatar-reverse-proxy
[INFO] frobbed toml for S2Lab/gravatar-reverse-proxy written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/S2Lab/gravatar-reverse-proxy/Cargo.toml
[INFO] crate S2Lab/gravatar-reverse-proxy has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking S2Lab/gravatar-reverse-proxy against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-5/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/S2Lab/gravatar-reverse-proxy:/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 72b237703c43c81726be1f3eabb194e04d894de1dd84058534de5e8a21700daa
[INFO] running `"docker" "start" "-a" "72b237703c43c81726be1f3eabb194e04d894de1dd84058534de5e8a21700daa"`
[INFO] [stderr]    Compiling openssl v0.9.10
[INFO] [stderr]     Checking base64 v0.2.1
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling hyper v0.10.6
[INFO] [stderr]    Compiling ring v0.7.3
[INFO] [stderr]     Checking crypto-hash v0.2.1
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking persistent v0.3.0
[INFO] [stderr]     Checking router v0.5.1
[INFO] [stderr]     Checking webpki v0.10.1
[INFO] [stderr]     Checking bodyparser v0.5.0
[INFO] [stderr]     Checking rustls v0.5.8
[INFO] [stderr]     Checking webpki-roots v0.7.0
[INFO] [stderr]     Checking urlencoded v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.3.2
[INFO] [stderr]     Checking gravatar-reverse-proxy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:100:43
[INFO] [stderr]     |
[INFO] [stderr] 100 |             return Err(IronResponse::with((HyperStatusCode::NotFound)));
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:114:51
[INFO] [stderr]     |
[INFO] [stderr] 114 |             None => return Err(IronResponse::with((HyperStatusCode::BadRequest))),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:133:61
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     Err(_) => return Err(IronResponse::with((HyperStatusCode::BadRequest))),
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:171:47
[INFO] [stderr]     |
[INFO] [stderr] 171 |             .ok_or_else(|| IronResponse::with((HyperStatusCode::BadGateway))));
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:244:43
[INFO] [stderr]     |
[INFO] [stderr] 244 |             return Err(IronResponse::with((HyperStatusCode::BadGateway)));
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:250:45
[INFO] [stderr]     |
[INFO] [stderr] 250 |             .map_err(|_| IronResponse::with((HyperStatusCode::BadGateway))));
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:271:45
[INFO] [stderr]     |
[INFO] [stderr] 271 |             .map_err(|_| IronResponse::with((HyperStatusCode::BadGateway))));
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:100:43
[INFO] [stderr]     |
[INFO] [stderr] 100 |             return Err(IronResponse::with((HyperStatusCode::NotFound)));
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:114:51
[INFO] [stderr]     |
[INFO] [stderr] 114 |             None => return Err(IronResponse::with((HyperStatusCode::BadRequest))),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:133:61
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     Err(_) => return Err(IronResponse::with((HyperStatusCode::BadRequest))),
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:171:47
[INFO] [stderr]     |
[INFO] [stderr] 171 |             .ok_or_else(|| IronResponse::with((HyperStatusCode::BadGateway))));
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:244:43
[INFO] [stderr]     |
[INFO] [stderr] 244 |             return Err(IronResponse::with((HyperStatusCode::BadGateway)));
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:250:45
[INFO] [stderr]     |
[INFO] [stderr] 250 |             .map_err(|_| IronResponse::with((HyperStatusCode::BadGateway))));
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:271:45
[INFO] [stderr]     |
[INFO] [stderr] 271 |             .map_err(|_| IronResponse::with((HyperStatusCode::BadGateway))));
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:189:33
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn set_cache_headers(&self, mut res: &mut IronResponse) {
[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:189:33
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn set_cache_headers(&self, mut res: &mut IronResponse) {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 15.40s
[INFO] running `"docker" "inspect" "72b237703c43c81726be1f3eabb194e04d894de1dd84058534de5e8a21700daa"`
[INFO] running `"docker" "rm" "-f" "72b237703c43c81726be1f3eabb194e04d894de1dd84058534de5e8a21700daa"`
[INFO] [stdout] 72b237703c43c81726be1f3eabb194e04d894de1dd84058534de5e8a21700daa