[INFO] updating cached repository https://github.com/jmageau/colors-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd6f7667e6f510ce613409be9020e1ce320cf234
[INFO] testing jmageau/colors-rs against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmageau%2Fcolors-rs" "/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/jmageau/colors-rs on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmageau/colors-rs
[INFO] finished tweaking git repo https://github.com/jmageau/colors-rs
[INFO] tweaked toml for git repo https://github.com/jmageau/colors-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jmageau/colors-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0779a860ce531f9d721d3865918ab6af17e63f750e17036b93c08d65d9760ef5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0779a860ce531f9d721d3865918ab6af17e63f750e17036b93c08d65d9760ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0779a860ce531f9d721d3865918ab6af17e63f750e17036b93c08d65d9760ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0779a860ce531f9d721d3865918ab6af17e63f750e17036b93c08d65d9760ef5", kill_on_drop: false }`
[INFO] [stdout] 0779a860ce531f9d721d3865918ab6af17e63f750e17036b93c08d65d9760ef5
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b43001c3bfc98b1d26fbbdbfc22d95332ca5418c153e093c797841c8571a978
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b43001c3bfc98b1d26fbbdbfc22d95332ca5418c153e093c797841c8571a978", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling console v0.8.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling indicatif v0.11.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling colors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `delta_e`
[INFO] [stdout]   --> src/color_functions.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn delta_e(color1: &Color, color2: &Color) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.98s
[INFO] running `Command { std: "docker" "inspect" "1b43001c3bfc98b1d26fbbdbfc22d95332ca5418c153e093c797841c8571a978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b43001c3bfc98b1d26fbbdbfc22d95332ca5418c153e093c797841c8571a978", kill_on_drop: false }`
[INFO] [stdout] 1b43001c3bfc98b1d26fbbdbfc22d95332ca5418c153e093c797841c8571a978
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e7509fc547ab59c118e2c38648bb740dc7aaf36eddfc9889ee5b32c67f72f9d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e7509fc547ab59c118e2c38648bb740dc7aaf36eddfc9889ee5b32c67f72f9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling colors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `delta_e`
[INFO] [stdout]   --> src/color_functions.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn delta_e(color1: &Color, color2: &Color) -> f64 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "2e7509fc547ab59c118e2c38648bb740dc7aaf36eddfc9889ee5b32c67f72f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7509fc547ab59c118e2c38648bb740dc7aaf36eddfc9889ee5b32c67f72f9d", kill_on_drop: false }`
[INFO] [stdout] 2e7509fc547ab59c118e2c38648bb740dc7aaf36eddfc9889ee5b32c67f72f9d
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8021a1c50734ee1e775baafeb8051c7dd07258b985a56abb3729e5eb08dc1acc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8021a1c50734ee1e775baafeb8051c7dd07258b985a56abb3729e5eb08dc1acc", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `delta_e`
[INFO] [stderr]   --> src/color_functions.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn delta_e(color1: &Color, color2: &Color) -> f64 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/colors-9a6aa634b35087f2
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8021a1c50734ee1e775baafeb8051c7dd07258b985a56abb3729e5eb08dc1acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8021a1c50734ee1e775baafeb8051c7dd07258b985a56abb3729e5eb08dc1acc", kill_on_drop: false }`
[INFO] [stdout] 8021a1c50734ee1e775baafeb8051c7dd07258b985a56abb3729e5eb08dc1acc