[INFO] cloning repository https://github.com/joncarr/ranbo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joncarr/ranbo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoncarr%2Franbo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoncarr%2Franbo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ee26fc010269f30c919c7b08d45e2f2e8a79689
[INFO] testing joncarr/ranbo against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoncarr%2Franbo" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joncarr/ranbo on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/joncarr/ranbo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded gif v0.11.2
[INFO] [stderr]   Downloaded bytemuck v1.5.1
[INFO] [stderr]   Downloaded deflate v0.8.6
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded dirs v3.0.1
[INFO] [stderr]   Downloaded cc v1.0.30
[INFO] [stderr]   Downloaded syn v0.15.26
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded libc v0.2.48
[INFO] [stderr]   Downloaded redox_syscall v0.1.51
[INFO] [stderr]   Downloaded backtrace v0.3.14
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded rand_os v0.1.2
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded rgb v0.8.27
[INFO] [stderr]   Downloaded tiff v0.6.1
[INFO] [stderr]   Downloaded image v0.23.14
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.22
[INFO] [stderr]   Downloaded color-thief v0.2.1
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded miniz_oxide v0.3.7
[INFO] [stderr]   Downloaded color_quant v1.1.0
[INFO] [stderr]   Downloaded crc32fast v1.2.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.0
[INFO] [stderr]   Downloaded rayon-core v1.9.0
[INFO] [stderr]   Downloaded weezl v0.1.4
[INFO] [stderr]   Downloaded png v0.16.8
[INFO] [stderr]   Downloaded rayon v1.5.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c9a770c0ff2e7ef4a2b2a5ce786504123e88db1b45edeb3d4ec2c8a892f5a1e
[INFO] running `Command { std: "docker" "start" "-a" "4c9a770c0ff2e7ef4a2b2a5ce786504123e88db1b45edeb3d4ec2c8a892f5a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9a770c0ff2e7ef4a2b2a5ce786504123e88db1b45edeb3d4ec2c8a892f5a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9a770c0ff2e7ef4a2b2a5ce786504123e88db1b45edeb3d4ec2c8a892f5a1e", kill_on_drop: false }`
[INFO] [stdout] 4c9a770c0ff2e7ef4a2b2a5ce786504123e88db1b45edeb3d4ec2c8a892f5a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 720de9336138fa455a9f40f4ecdd20becfe3520638bd37825622acbd031976f2
[INFO] running `Command { std: "docker" "start" "-a" "720de9336138fa455a9f40f4ecdd20becfe3520638bd37825622acbd031976f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling rgb v0.8.27
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling color-thief v0.2.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling ranbo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/color.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn as_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `darken`
[INFO] [stdout]   --> src/color.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn darken(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighten`
[INFO] [stdout]   --> src/color.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RGBA`
[INFO] [stdout]   --> src/color.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct RGBA {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/color.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(r: u8, g: u8, b: u8, a: u8) -> RGBA {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighten`
[INFO] [stdout]   --> src/color.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.98s
[INFO] running `Command { std: "docker" "inspect" "720de9336138fa455a9f40f4ecdd20becfe3520638bd37825622acbd031976f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720de9336138fa455a9f40f4ecdd20becfe3520638bd37825622acbd031976f2", kill_on_drop: false }`
[INFO] [stdout] 720de9336138fa455a9f40f4ecdd20becfe3520638bd37825622acbd031976f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a50214a336695f99e8692187753a79ab71f67b94172e32fc9d55bdec99d2521
[INFO] running `Command { std: "docker" "start" "-a" "9a50214a336695f99e8692187753a79ab71f67b94172e32fc9d55bdec99d2521", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ranbo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/color.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn as_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `darken`
[INFO] [stdout]   --> src/color.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn darken(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighten`
[INFO] [stdout]   --> src/color.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RGBA`
[INFO] [stdout]   --> src/color.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct RGBA {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/color.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(r: u8, g: u8, b: u8, a: u8) -> RGBA {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighten`
[INFO] [stdout]   --> src/color.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "9a50214a336695f99e8692187753a79ab71f67b94172e32fc9d55bdec99d2521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a50214a336695f99e8692187753a79ab71f67b94172e32fc9d55bdec99d2521", kill_on_drop: false }`
[INFO] [stdout] 9a50214a336695f99e8692187753a79ab71f67b94172e32fc9d55bdec99d2521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d58e55694cbc04fc20d87db7bc46108906c97ad3010f71c52e6e2c455091be89
[INFO] running `Command { std: "docker" "start" "-a" "d58e55694cbc04fc20d87db7bc46108906c97ad3010f71c52e6e2c455091be89", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `as_string`
[INFO] [stderr]   --> src/color.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn as_string(&self) -> String {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `darken`
[INFO] [stderr]   --> src/color.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn darken(&mut self, percent: u8) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lighten`
[INFO] [stderr]   --> src/color.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RGBA`
[INFO] [stderr]   --> src/color.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct RGBA {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/color.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn new(r: u8, g: u8, b: u8, a: u8) -> RGBA {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lighten`
[INFO] [stderr]   --> src/color.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn lighten(&mut self, percent: u8) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ranbo` (bin "ranbo" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ranbo-e23056271e19bf11)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d58e55694cbc04fc20d87db7bc46108906c97ad3010f71c52e6e2c455091be89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58e55694cbc04fc20d87db7bc46108906c97ad3010f71c52e6e2c455091be89", kill_on_drop: false }`
[INFO] [stdout] d58e55694cbc04fc20d87db7bc46108906c97ad3010f71c52e6e2c455091be89