[INFO] cloning repository joncarr/ranbo
[INFO] running `"git" "clone" "--bare" "git://github.com/joncarr/ranbo.git" "work/cache/sources/gh/joncarr/ranbo"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/joncarr/ranbo'...
[INFO] running `"git" "clone" "work/cache/sources/gh/joncarr/ranbo" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/joncarr/ranbo"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/joncarr/ranbo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joncarr/ranbo" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/joncarr/ranbo"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/joncarr/ranbo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 539f9534faa74671846547eb318ba57ec87adb96
[INFO] sha for GitHub repo joncarr/ranbo: 539f9534faa74671846547eb318ba57ec87adb96
[INFO] validating manifest of joncarr/ranbo on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of joncarr/ranbo on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing joncarr/ranbo
[INFO] finished frobbing joncarr/ranbo
[INFO] frobbed toml for joncarr/ranbo written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/joncarr/ranbo/Cargo.toml
[INFO] started frobbing joncarr/ranbo
[INFO] finished frobbing joncarr/ranbo
[INFO] frobbed toml for joncarr/ranbo written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/joncarr/ranbo/Cargo.toml
[INFO] crate joncarr/ranbo already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded color-thief v0.1.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking joncarr/ranbo against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/joncarr/ranbo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c17f06dceac00f624258eec3833b572a34c1767e68182159d2ad8173f91c49a9
[INFO] running `"docker" "start" "-a" "c17f06dceac00f624258eec3833b572a34c1767e68182159d2ad8173f91c49a9"`
[INFO] [stderr]     Checking rgb v0.7.2
[INFO] [stderr]     Checking dirs v1.0.5
[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/crater/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 13.20s
[INFO] running `"docker" "inspect" "c17f06dceac00f624258eec3833b572a34c1767e68182159d2ad8173f91c49a9"`
[INFO] running `"docker" "rm" "-f" "c17f06dceac00f624258eec3833b572a34c1767e68182159d2ad8173f91c49a9"`
[INFO] [stdout] c17f06dceac00f624258eec3833b572a34c1767e68182159d2ad8173f91c49a9