[INFO] fetching crate triton_grow 1.4.4...
[INFO] checking triton_grow-1.4.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate triton_grow 1.4.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate triton_grow 1.4.4 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 crates.io crate triton_grow 1.4.4
[INFO] finished tweaking crates.io crate triton_grow 1.4.4
[INFO] tweaked toml for crates.io crate triton_grow 1.4.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate triton_grow 1.4.4 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 ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded num-complex v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 29b77d8a9488537e4ba260a67f81ec46d3b99e777c47d3781e2a3a17e0fca68b
[INFO] running `Command { std: "docker" "start" "-a" "29b77d8a9488537e4ba260a67f81ec46d3b99e777c47d3781e2a3a17e0fca68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29b77d8a9488537e4ba260a67f81ec46d3b99e777c47d3781e2a3a17e0fca68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b77d8a9488537e4ba260a67f81ec46d3b99e777c47d3781e2a3a17e0fca68b", kill_on_drop: false }`
[INFO] [stdout] 29b77d8a9488537e4ba260a67f81ec46d3b99e777c47d3781e2a3a17e0fca68b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c8111e1e7933c876e8bf0898d080024b4922a6f6fbc1be3702d7bd541f73460b
[INFO] running `Command { std: "docker" "start" "-a" "c8111e1e7933c876e8bf0898d080024b4922a6f6fbc1be3702d7bd541f73460b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[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 rayon v1.8.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking triton_grow v1.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/network/matrix.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/network/matrix_flat.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/network/network.rs:382:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |         for i in 1..=epochs{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/network/network.rs:390:13
[INFO] [stdout]     |
[INFO] [stdout] 390 |         for i in 1..=epochs{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/network/matrix.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/network/matrix_flat.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/network/network.rs:382:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |         for i in 1..=epochs{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/network/network.rs:390:13
[INFO] [stdout]     |
[INFO] [stdout] 390 |         for i in 1..=epochs{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.25s
[INFO] running `Command { std: "docker" "inspect" "c8111e1e7933c876e8bf0898d080024b4922a6f6fbc1be3702d7bd541f73460b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8111e1e7933c876e8bf0898d080024b4922a6f6fbc1be3702d7bd541f73460b", kill_on_drop: false }`
[INFO] [stdout] c8111e1e7933c876e8bf0898d080024b4922a6f6fbc1be3702d7bd541f73460b