[INFO] updating cached repository https://github.com/magnonellie/cam-to-hue [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/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] 4eff8d82e5b22b87993c7273e70cebff0755524f [INFO] checking magnonellie/cam-to-hue against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagnonellie%2Fcam-to-hue" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/magnonellie/cam-to-hue on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/magnonellie/cam-to-hue [INFO] finished tweaking git repo https://github.com/magnonellie/cam-to-hue [INFO] tweaked toml for git repo https://github.com/magnonellie/cam-to-hue written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/magnonellie/cam-to-hue already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/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=forbid" "-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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 8552c929a93486794678ad3f9d25de0c8cb4ab6032c7eb43b666d0166f3bbaae [INFO] running `"docker" "start" "-a" "8552c929a93486794678ad3f9d25de0c8cb4ab6032c7eb43b666d0166f3bbaae"` [INFO] [stderr] Checking adler32 v0.3.0 [INFO] [stderr] Checking exoquant v0.2.0 [INFO] [stderr] Compiling backtrace-sys v0.1.10 [INFO] [stderr] Checking num_cpus v1.3.0 [INFO] [stderr] Checking rscam v0.5.3 [INFO] [stderr] Checking serde_json v0.9.8 [INFO] [stderr] Checking idna v0.1.0 [INFO] [stderr] Checking deque v0.3.1 [INFO] [stderr] Checking num-rational v0.1.36 [INFO] [stderr] Checking openssl-sys v0.9.7 [INFO] [stderr] Checking deflate v0.7.4 [INFO] [stderr] Checking rayon v0.6.0 [INFO] [stderr] Checking openssl v0.9.7 [INFO] [stderr] Checking url v1.4.0 [INFO] [stderr] Checking png v0.6.2 [INFO] [stderr] Checking jpeg-decoder v0.1.11 [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] Checking hyper v0.10.4 [INFO] [stderr] Checking image v0.12.3 [INFO] [stderr] Checking hyper-openssl v0.2.3 [INFO] [stderr] Checking backtrace v0.3.0 [INFO] [stderr] Checking error-chain v0.8.1 [INFO] [stderr] Checking philipshue v0.3.1 [INFO] [stderr] Checking cam-to-hue v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hue/mod.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | let mut f = try!(File::create(USER_FILE_NAME)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::PreciseTime` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use time::PreciseTime; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `save_rgb_buffer` [INFO] [stderr] --> src/main.rs:136:1 [INFO] [stderr] | [INFO] [stderr] 136 | fn save_rgb_buffer(buffer: &[u8], width: u32, height: u32, path: &'static str) -> Result<(), std::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hue/mod.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | let mut f = try!(File::create(USER_FILE_NAME)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::PreciseTime` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use time::PreciseTime; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `save_rgb_buffer` [INFO] [stderr] --> src/main.rs:136:1 [INFO] [stderr] | [INFO] [stderr] 136 | fn save_rgb_buffer(buffer: &[u8], width: u32, height: u32, path: &'static str) -> Result<(), std::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.76s [INFO] running `"docker" "inspect" "8552c929a93486794678ad3f9d25de0c8cb4ab6032c7eb43b666d0166f3bbaae"` [INFO] running `"docker" "rm" "-f" "8552c929a93486794678ad3f9d25de0c8cb4ab6032c7eb43b666d0166f3bbaae"` [INFO] [stdout] 8552c929a93486794678ad3f9d25de0c8cb4ab6032c7eb43b666d0166f3bbaae