[INFO] cloning repository https://github.com/bozso/rustsar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bozso/rustsar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbozso%2Frustsar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbozso%2Frustsar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da006cb5a0b1079360b717d544741a43f893f71c
[INFO] documenting bozso/rustsar against nightly for scrape-examples
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbozso%2Frustsar" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bozso/rustsar on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bozso/rustsar
[INFO] finished tweaking git repo https://github.com/bozso/rustsar
[INFO] tweaked toml for git repo https://github.com/bozso/rustsar written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/bozso/rustsar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netlib-src v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74b2325e430ee820fe89fab22d7ee0b8b729fbbac2722b65f3a1cd7cc1e3cb32
[INFO] running `Command { std: "docker" "start" "-a" "74b2325e430ee820fe89fab22d7ee0b8b729fbbac2722b65f3a1cd7cc1e3cb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b2325e430ee820fe89fab22d7ee0b8b729fbbac2722b65f3a1cd7cc1e3cb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b2325e430ee820fe89fab22d7ee0b8b729fbbac2722b65f3a1cd7cc1e3cb32", kill_on_drop: false }`
[INFO] [stdout] 74b2325e430ee820fe89fab22d7ee0b8b729fbbac2722b65f3a1cd7cc1e3cb32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec995709eb3c52efb8032dce94de439763c571e20d40c2bb14c34c6193666a65
[INFO] running `Command { std: "docker" "start" "-a" "ec995709eb3c52efb8032dce94de439763c571e20d40c2bb14c34c6193666a65", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking blas-src v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling netlib-src v0.8.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking lapacke-sys v0.1.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]     Checking lapacke v0.2.0
[INFO] [stderr]     Checking cauchy v0.2.2
[INFO] [stderr]     Checking lapack-src v0.6.0
[INFO] [stderr]     Checking blas-src v0.6.1
[INFO] [stderr]     Checking ndarray-linalg v0.12.1
[INFO] [stderr]  Documenting rustsar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustsar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Axis`, `RemoveAxis`
[INFO] [stdout]  --> src/rustsar/math/poly.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Array, Dimension, Axis, RemoveAxis,
[INFO] [stdout]   |                       ^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]   --> src/rustsar/math/poly.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |             coefficients: fact.solve_into(y)?,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^ expected an array with a fixed size of 2 elements, found one with 1 element
[INFO] [stdout]    |
[INFO] [stdout]    = note: `?` operator cannot convert from `ArrayBase<_, Dim<[usize; 1]>>` to `ArrayBase<_, Dim<[usize; 2]>>`
[INFO] [stdout]    = note: expected struct `ArrayBase<_, Dim<[usize; 2]>>`
[INFO] [stdout]               found struct `ArrayBase<_, Dim<[usize; 1]>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Dimension`
[INFO] [stdout]  --> src/rustsar/math/poly.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Array, Dimension, Axis, RemoveAxis,
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustsar` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ec995709eb3c52efb8032dce94de439763c571e20d40c2bb14c34c6193666a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec995709eb3c52efb8032dce94de439763c571e20d40c2bb14c34c6193666a65", kill_on_drop: false }`
[INFO] [stdout] ec995709eb3c52efb8032dce94de439763c571e20d40c2bb14c34c6193666a65