[INFO] cloning repository https://github.com/dgmneto/img
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgmneto/img" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgmneto%2Fimg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgmneto%2Fimg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 810dd176f595bd1e3d1674412364af2e43b34beb
[INFO] checking dgmneto/img against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgmneto%2Fimg" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/dgmneto/img on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dgmneto/img
[INFO] finished tweaking git repo https://github.com/dgmneto/img
[INFO] tweaked toml for git repo https://github.com/dgmneto/img written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dgmneto/img already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quicli v0.4.0
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.2.0
[INFO] [stderr]   Downloaded globwalk v0.3.1
[INFO] [stderr]   Downloaded kdtree v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c5f12af4198757d549aab67d4d48d49e539d56c3587df9b5c4a3ac8501df315
[INFO] running `Command { std: "docker" "start" "-a" "3c5f12af4198757d549aab67d4d48d49e539d56c3587df9b5c4a3ac8501df315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c5f12af4198757d549aab67d4d48d49e539d56c3587df9b5c4a3ac8501df315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c5f12af4198757d549aab67d4d48d49e539d56c3587df9b5c4a3ac8501df315", kill_on_drop: false }`
[INFO] [stdout] 3c5f12af4198757d549aab67d4d48d49e539d56c3587df9b5c4a3ac8501df315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0added0e9ceb7fb44ed65520b3272f788790575fe243b962574bb76217bf0374
[INFO] running `Command { std: "docker" "start" "-a" "0added0e9ceb7fb44ed65520b3272f788790575fe243b962574bb76217bf0374", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.2.1
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[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking atty v0.2.13
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[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
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[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking globwalk v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking kdtree v0.6.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking quicli v0.4.0
[INFO] [stderr]     Checking img v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `means` is never read
[INFO] [stdout]   --> src/k_means.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct KMeansReturn {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 17 |     pub image: Image,
[INFO] [stdout] 18 |     pub means: Vec<RGBColor>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `means` is never read
[INFO] [stdout]   --> src/k_means.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct KMeansReturn {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 17 |     pub image: Image,
[INFO] [stdout] 18 |     pub means: Vec<RGBColor>,
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "0added0e9ceb7fb44ed65520b3272f788790575fe243b962574bb76217bf0374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0added0e9ceb7fb44ed65520b3272f788790575fe243b962574bb76217bf0374", kill_on_drop: false }`
[INFO] [stdout] 0added0e9ceb7fb44ed65520b3272f788790575fe243b962574bb76217bf0374