[INFO] cloning repository https://github.com/danielkrash/prec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielkrash/prec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielkrash%2Fprec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielkrash%2Fprec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6028112f64b8da49516331d4d921cf593490f383
[INFO] checking danielkrash/prec against master#31a9463c6e2794a59ce57a8f37abc6966afc2a58 for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielkrash%2Fprec" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/danielkrash/prec
[INFO] finished tweaking git repo https://github.com/danielkrash/prec
[INFO] tweaked toml for git repo https://github.com/danielkrash/prec written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danielkrash/prec on toolchain 31a9463c6e2794a59ce57a8f37abc6966afc2a58
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danielkrash/prec 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" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-0-tc1/source/algorithms/nonparametric/k-means/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-0-tc1/source/algorithms/nonparametric/k-nn/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-0-tc1/source/algorithms/nonparametric/lvq/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-0-tc1/source/app/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] [stderr] warning: /workspace/builds/worker-0-tc1/source/algorithms/nonparametric/k-nn/Cargo.toml: unused manifest key: profile.release.linker-flavor
[INFO] [stderr] warning: /workspace/builds/worker-0-tc1/source/algorithms/nonparametric/lvq/Cargo.toml: unused manifest key: profile.release.linker-flavor
[INFO] [stderr] warning: /workspace/builds/worker-0-tc1/source/algorithms/nonparametric/k-means/Cargo.toml: unused manifest key: profile.release.linker-flavor
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30e9090d301992944f83b8b4d7fc6316cea76f177369a3486e5f2d7cbfb982a5
[INFO] running `Command { std: "docker" "start" "-a" "30e9090d301992944f83b8b4d7fc6316cea76f177369a3486e5f2d7cbfb982a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30e9090d301992944f83b8b4d7fc6316cea76f177369a3486e5f2d7cbfb982a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e9090d301992944f83b8b4d7fc6316cea76f177369a3486e5f2d7cbfb982a5", kill_on_drop: false }`
[INFO] [stdout] 30e9090d301992944f83b8b4d7fc6316cea76f177369a3486e5f2d7cbfb982a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 524cc6e4f56d5420ec1b25b26af300d399ebaa1e60b7115c9972ece9c4714e3c
[INFO] running `Command { std: "docker" "start" "-a" "524cc6e4f56d5420ec1b25b26af300d399ebaa1e60b7115c9972ece9c4714e3c", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/algorithms/nonparametric/k-means/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/algorithms/nonparametric/k-nn/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/algorithms/nonparametric/lvq/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/app/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: /opt/rustwide/workdir/algorithms/nonparametric/k-nn/Cargo.toml: unused manifest key: profile.release.linker-flavor
[INFO] [stderr] warning: /opt/rustwide/workdir/algorithms/nonparametric/k-means/Cargo.toml: unused manifest key: profile.release.linker-flavor
[INFO] [stderr] warning: /opt/rustwide/workdir/algorithms/nonparametric/lvq/Cargo.toml: unused manifest key: profile.release.linker-flavor
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
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[INFO] [stderr]    Compiling glutin v0.32.3
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking k-means v0.1.0 (/opt/rustwide/workdir/algorithms/nonparametric/k-means)
[INFO] [stderr]     Checking k-nn v0.1.0 (/opt/rustwide/workdir/algorithms/nonparametric/k-nn)
[INFO] [stderr]    Compiling zvariant_utils v2.1.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]    Compiling glutin-winit v0.5.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> algorithms/nonparametric/k-means/src/lib.rs:145:22
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn centroids(&self) -> Result<ndarray::ArrayView2<F>, KMeansError> {
[INFO] [stdout]     |                      ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn centroids(&self) -> Result<ndarray::ArrayView2<'_, F>, KMeansError> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lvq v0.1.0 (/opt/rustwide/workdir/algorithms/nonparametric/lvq)
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking glow v0.16.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/31a9463c6e2794a59ce57a8f37abc6966afc2a58/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=de973827722597b6 -C extra-filename=-7ae43d5fbe1eb75d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d8665169c487d19b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-60c6fa93c90874f2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `current_learning_rate` is never read
[INFO] [stdout]    --> algorithms/nonparametric/lvq/src/lib.rs:715:9
[INFO] [stdout]     |
[INFO] [stdout] 715 |         current_learning_rate = current_learning_rate * decay;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "524cc6e4f56d5420ec1b25b26af300d399ebaa1e60b7115c9972ece9c4714e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524cc6e4f56d5420ec1b25b26af300d399ebaa1e60b7115c9972ece9c4714e3c", kill_on_drop: false }`
[INFO] [stdout] 524cc6e4f56d5420ec1b25b26af300d399ebaa1e60b7115c9972ece9c4714e3c
