[INFO] cloning repository https://github.com/andrewbeaton123/linfa_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewbeaton123/linfa_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewbeaton123%2Flinfa_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewbeaton123%2Flinfa_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7417e59d67175b8a70b130f339bd37fc6bfb3d25
[INFO] checking andrewbeaton123/linfa_test against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewbeaton123%2Flinfa_test" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewbeaton123/linfa_test on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewbeaton123/linfa_test
[INFO] finished tweaking git repo https://github.com/andrewbeaton123/linfa_test
[INFO] tweaked toml for git repo https://github.com/andrewbeaton123/linfa_test written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewbeaton123/linfa_test 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sprs v0.11.1
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded linfa-trees v0.7.0
[INFO] [stderr]   Downloaded linfa v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a43e6bc20415a4e1916719a0f804f5af42360c1b6cd1da811d24f128ba6af4fd
[INFO] running `Command { std: "docker" "start" "-a" "a43e6bc20415a4e1916719a0f804f5af42360c1b6cd1da811d24f128ba6af4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a43e6bc20415a4e1916719a0f804f5af42360c1b6cd1da811d24f128ba6af4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a43e6bc20415a4e1916719a0f804f5af42360c1b6cd1da811d24f128ba6af4fd", kill_on_drop: false }`
[INFO] [stdout] a43e6bc20415a4e1916719a0f804f5af42360c1b6cd1da811d24f128ba6af4fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8034c7b30074eebc4c55937acbeeb6d4ae51ef8f3d9adecf23c42865d09c2f38
[INFO] running `Command { std: "docker" "start" "-a" "8034c7b30074eebc4c55937acbeeb6d4ae51ef8f3d9adecf23c42865d09c2f38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling linfa v0.7.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking sprs v0.11.1
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking linfa-trees v0.7.0
[INFO] [stderr]     Checking linfa_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Array2` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::Array2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use linfa::prelude::*;
[INFO] [stdout] 5 | use ndarray::prelude ::*;
[INFO] [stdout]   |     -------------------- the item `Array2` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Array2` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::Array2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use linfa::prelude::*;
[INFO] [stdout] 5 | use ndarray::prelude ::*;
[INFO] [stdout]   |     -------------------- the item `Array2` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 10.76s
[INFO] running `Command { std: "docker" "inspect" "8034c7b30074eebc4c55937acbeeb6d4ae51ef8f3d9adecf23c42865d09c2f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8034c7b30074eebc4c55937acbeeb6d4ae51ef8f3d9adecf23c42865d09c2f38", kill_on_drop: false }`
[INFO] [stdout] 8034c7b30074eebc4c55937acbeeb6d4ae51ef8f3d9adecf23c42865d09c2f38