[INFO] cloning repository https://github.com/SpencerMckay/vtracer_kmeans
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpencerMckay/vtracer_kmeans" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpencerMckay%2Fvtracer_kmeans", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpencerMckay%2Fvtracer_kmeans'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11545d98af9c96f56b614557b1a388beff5c8bf6
[INFO] checking SpencerMckay/vtracer_kmeans/11545d98af9c96f56b614557b1a388beff5c8bf6 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpencerMckay%2Fvtracer_kmeans" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SpencerMckay/vtracer_kmeans on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SpencerMckay/vtracer_kmeans
[INFO] finished tweaking git repo https://github.com/SpencerMckay/vtracer_kmeans
[INFO] tweaked toml for git repo https://github.com/SpencerMckay/vtracer_kmeans written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SpencerMckay/vtracer_kmeans 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded visioncortex v0.8.8
[INFO] [stderr]   Downloaded flo_curves v0.3.1
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e94d9fb1cb3960de2bc0274467f023dc505eacba9eb417a88ce158f0264a561b
[INFO] running `Command { std: "docker" "start" "-a" "e94d9fb1cb3960de2bc0274467f023dc505eacba9eb417a88ce158f0264a561b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e94d9fb1cb3960de2bc0274467f023dc505eacba9eb417a88ce158f0264a561b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94d9fb1cb3960de2bc0274467f023dc505eacba9eb417a88ce158f0264a561b", kill_on_drop: false }`
[INFO] [stdout] e94d9fb1cb3960de2bc0274467f023dc505eacba9eb417a88ce158f0264a561b
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b5a8e8748c6b215ea410afe80ae995924dc21ac828157038014ebd610d7c834
[INFO] running `Command { std: "docker" "start" "-a" "9b5a8e8748c6b215ea410afe80ae995924dc21ac828157038014ebd610d7c834", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking roots v0.0.6
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking flo_curves v0.3.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.18.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking visioncortex v0.8.8
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking vtracer_kmeans v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0053]: method `default` has an incompatible type for trait
[INFO] [stdout]   --> src/config.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     extern "C" fn default() -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn() -> Config`
[INFO] [stdout]               found signature `extern "C" fn() -> Config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `default` has an incompatible type for trait
[INFO] [stdout]   --> src/config.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     extern "C" fn default() -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn() -> Config`
[INFO] [stdout]               found signature `extern "C" fn() -> Config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `from_str` has an incompatible type for trait
[INFO] [stdout]   --> src/config.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     extern "C" fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(&_) -> Result<_, _>`
[INFO] [stdout]               found signature `extern "C" fn(&_) -> Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `from_str` has an incompatible type for trait
[INFO] [stdout]   --> src/config.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     extern "C" fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(&_) -> Result<_, _>`
[INFO] [stdout]               found signature `extern "C" fn(&_) -> Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `from_str` has an incompatible type for trait
[INFO] [stdout]   --> src/config.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     extern "C" fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(&_) -> Result<_, _>`
[INFO] [stdout]               found signature `extern "C" fn(&_) -> Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `from_str` has an incompatible type for trait
[INFO] [stdout]   --> src/config.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     extern "C" fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(&_) -> Result<_, _>`
[INFO] [stdout]               found signature `extern "C" fn(&_) -> Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `fmt` has an incompatible type for trait
[INFO] [stdout]   --> src/svg.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     extern "C" fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(&SvgFile, &mut Formatter<'_>) -> Result<_, _>`
[INFO] [stdout]               found signature `extern "C" fn(&SvgFile, &mut Formatter<'_>) -> Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `fmt` has an incompatible type for trait
[INFO] [stdout]   --> src/svg.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     extern "C"  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(&SvgPath, &mut Formatter<'_>) -> Result<_, _>`
[INFO] [stdout]               found signature `extern "C" fn(&SvgPath, &mut Formatter<'_>) -> Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `fmt` has an incompatible type for trait
[INFO] [stdout]   --> src/svg.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     extern "C" fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(&SvgFile, &mut Formatter<'_>) -> Result<_, _>`
[INFO] [stdout]               found signature `extern "C" fn(&SvgFile, &mut Formatter<'_>) -> Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `fmt` has an incompatible type for trait
[INFO] [stdout]   --> src/svg.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     extern "C"  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "Rust" fn, found "C" fn
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(&SvgPath, &mut Formatter<'_>) -> Result<_, _>`
[INFO] [stdout]               found signature `extern "C" fn(&SvgPath, &mut Formatter<'_>) -> Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vtracer_kmeans` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `vtracer_kmeans` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "9b5a8e8748c6b215ea410afe80ae995924dc21ac828157038014ebd610d7c834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5a8e8748c6b215ea410afe80ae995924dc21ac828157038014ebd610d7c834", kill_on_drop: false }`
[INFO] [stdout] 9b5a8e8748c6b215ea410afe80ae995924dc21ac828157038014ebd610d7c834