[INFO] updating cached repository https://github.com/joncarr/ranbo
[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] 539f9534faa74671846547eb318ba57ec87adb96
[INFO] checking joncarr/ranbo against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoncarr%2Franbo" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joncarr/ranbo 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/joncarr/ranbo
[INFO] finished tweaking git repo https://github.com/joncarr/ranbo
[INFO] tweaked toml for git repo https://github.com/joncarr/ranbo written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/joncarr/ranbo 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/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] d5f688f19ff5966ae6e35226f9811c93d0fc85dd1418c7e711dda669ebc819bd
[INFO] running `"docker" "start" "-a" "d5f688f19ff5966ae6e35226f9811c93d0fc85dd1418c7e711dda669ebc819bd"`
[INFO] [stderr]     Checking rgb v0.7.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking color-thief v0.1.0
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking ranbo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `as_string`
[INFO] [stderr]   --> src/color.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn as_string(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RGBA`
[INFO] [stderr]   --> src/color.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct RGBA {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/color.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn new(r: u8, g: u8, b: u8, a: u8) -> RGBA {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lighten`
[INFO] [stderr]   --> src/color.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     io::copy(&mut og_gpl, &mut inkscape_gpl);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_string`
[INFO] [stderr]   --> src/color.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn as_string(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RGBA`
[INFO] [stderr]   --> src/color.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct RGBA {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/color.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn new(r: u8, g: u8, b: u8, a: u8) -> RGBA {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lighten`
[INFO] [stderr]   --> src/color.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     io::copy(&mut og_gpl, &mut inkscape_gpl);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.69s
[INFO] running `"docker" "inspect" "d5f688f19ff5966ae6e35226f9811c93d0fc85dd1418c7e711dda669ebc819bd"`
[INFO] running `"docker" "rm" "-f" "d5f688f19ff5966ae6e35226f9811c93d0fc85dd1418c7e711dda669ebc819bd"`
[INFO] [stdout] d5f688f19ff5966ae6e35226f9811c93d0fc85dd1418c7e711dda669ebc819bd