[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 try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[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 e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b92a57f35fb4ff941e532ab2d87847bfdd20506679a744df0fa9ece3b8a6fe95
[INFO] running `"docker" "start" "-a" "b92a57f35fb4ff941e532ab2d87847bfdd20506679a744df0fa9ece3b8a6fe95"`
[INFO] [stderr]    Compiling quote v0.3.14
[INFO] [stderr]     Checking serde v0.9.10
[INFO] [stderr]    Compiling synom v0.11.2
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking rscam v0.5.3
[INFO] [stderr]     Checking backtrace-sys v0.1.10
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking openssl v0.9.7
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]     Checking hyper v0.10.4
[INFO] [stderr]     Checking backtrace v0.3.0
[INFO] [stderr]    Compiling syn v0.11.8
[INFO] [stderr]     Checking error-chain v0.8.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.11
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]     Checking hyper-openssl v0.2.3
[INFO] [stderr]    Compiling serde_derive v0.9.10
[INFO] [stderr]     Checking serde_json v0.9.8
[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: 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: 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 54.15s
[INFO] running `"docker" "inspect" "b92a57f35fb4ff941e532ab2d87847bfdd20506679a744df0fa9ece3b8a6fe95"`
[INFO] running `"docker" "rm" "-f" "b92a57f35fb4ff941e532ab2d87847bfdd20506679a744df0fa9ece3b8a6fe95"`
[INFO] [stdout] b92a57f35fb4ff941e532ab2d87847bfdd20506679a744df0fa9ece3b8a6fe95