[INFO] updating cached repository https://github.com/S2Lab/gravatar-reverse-proxy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 177928ae1e96fe1869f8d7a6fb413be95fddb454
[INFO] testing S2Lab/gravatar-reverse-proxy against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FS2Lab%2Fgravatar-reverse-proxy" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/S2Lab/gravatar-reverse-proxy on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/S2Lab/gravatar-reverse-proxy
[INFO] finished tweaking git repo https://github.com/S2Lab/gravatar-reverse-proxy
[INFO] tweaked toml for git repo https://github.com/S2Lab/gravatar-reverse-proxy written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/S2Lab/gravatar-reverse-proxy already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] c4176d432b9d8fe0b8f4f5a1b8b9fa7a5136edc511616c44c056bfe574860aa5
[INFO] running `"docker" "start" "-a" "c4176d432b9d8fe0b8f4f5a1b8b9fa7a5136edc511616c44c056bfe574860aa5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling untrusted v0.3.2
[INFO] [stderr]    Compiling lazy_static v0.2.6
[INFO] [stderr]    Compiling openssl v0.9.10
[INFO] [stderr]    Compiling base64 v0.2.1
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling openssl-sys v0.9.10
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling hyper v0.10.6
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling ring v0.7.3
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling crypto-hash v0.2.1
[INFO] [stderr]    Compiling webpki v0.10.1
[INFO] [stderr]    Compiling rustls v0.5.8
[INFO] [stderr]    Compiling webpki-roots v0.7.0
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling persistent v0.3.0
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling bodyparser v0.5.0
[INFO] [stderr]    Compiling urlencoded v0.5.0
[INFO] [stderr]    Compiling hyper-rustls v0.3.2
[INFO] [stderr]    Compiling gravatar-reverse-proxy v0.1.0 (/opt/rustwide/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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | /     lazy_static! {
[INFO] [stderr] 75 | |         static ref MD5_RE: Regex = Regex::new("^[0-9a-f]{32}$").unwrap();
[INFO] [stderr] 76 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | /     lazy_static! {
[INFO] [stderr] 75 | |         static ref MD5_RE: Regex = Regex::new("^[0-9a-f]{32}$").unwrap();
[INFO] [stderr] 76 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/main.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 | /         lazy_static! {
[INFO] [stderr] 264 | |             static ref HYPER_CLIENT: HyperClient = HyperClient::with_connector(HyperHttpsConnector::new(HyperRustlsClient::new()));
[INFO] [stderr] 265 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/main.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 | /         lazy_static! {
[INFO] [stderr] 264 | |             static ref HYPER_CLIENT: HyperClient = HyperClient::with_connector(HyperHttpsConnector::new(HyperRustlsClient::new()));
[INFO] [stderr] 265 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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 43.53s
[INFO] running `"docker" "inspect" "c4176d432b9d8fe0b8f4f5a1b8b9fa7a5136edc511616c44c056bfe574860aa5"`
[INFO] running `"docker" "rm" "-f" "c4176d432b9d8fe0b8f4f5a1b8b9fa7a5136edc511616c44c056bfe574860aa5"`
[INFO] [stdout] c4176d432b9d8fe0b8f4f5a1b8b9fa7a5136edc511616c44c056bfe574860aa5
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7b41a21ffff1b95655667e31076687bf7210174ce0482d3808b581561860703c
[INFO] running `"docker" "start" "-a" "7b41a21ffff1b95655667e31076687bf7210174ce0482d3808b581561860703c"`
[INFO] [stderr]    Compiling gravatar-reverse-proxy v0.1.0 (/opt/rustwide/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: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | /     lazy_static! {
[INFO] [stderr] 75 | |         static ref MD5_RE: Regex = Regex::new("^[0-9a-f]{32}$").unwrap();
[INFO] [stderr] 76 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | /     lazy_static! {
[INFO] [stderr] 75 | |         static ref MD5_RE: Regex = Regex::new("^[0-9a-f]{32}$").unwrap();
[INFO] [stderr] 76 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/main.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 | /         lazy_static! {
[INFO] [stderr] 264 | |             static ref HYPER_CLIENT: HyperClient = HyperClient::with_connector(HyperHttpsConnector::new(HyperRustlsClient::new()));
[INFO] [stderr] 265 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/main.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 | /         lazy_static! {
[INFO] [stderr] 264 | |             static ref HYPER_CLIENT: HyperClient = HyperClient::with_connector(HyperHttpsConnector::new(HyperRustlsClient::new()));
[INFO] [stderr] 265 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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 1.50s
[INFO] running `"docker" "inspect" "7b41a21ffff1b95655667e31076687bf7210174ce0482d3808b581561860703c"`
[INFO] running `"docker" "rm" "-f" "7b41a21ffff1b95655667e31076687bf7210174ce0482d3808b581561860703c"`
[INFO] [stdout] 7b41a21ffff1b95655667e31076687bf7210174ce0482d3808b581561860703c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 98fd473952634f3ff689e9b87283fc1806937c42c433e00ba9d347e3fb99c929
[INFO] running `"docker" "start" "-a" "98fd473952634f3ff689e9b87283fc1806937c42c433e00ba9d347e3fb99c929"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gravatar_reverse_proxy-bfc9479e276054af
[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" "98fd473952634f3ff689e9b87283fc1806937c42c433e00ba9d347e3fb99c929"`
[INFO] running `"docker" "rm" "-f" "98fd473952634f3ff689e9b87283fc1806937c42c433e00ba9d347e3fb99c929"`
[INFO] [stdout] 98fd473952634f3ff689e9b87283fc1806937c42c433e00ba9d347e3fb99c929