[INFO] cloning repository https://github.com/BrooksPatton/learning_neural_networks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrooksPatton/learning_neural_networks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrooksPatton%2Flearning_neural_networks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrooksPatton%2Flearning_neural_networks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bd23d122f8a0c42e961a93ec9cf624e471eca5a
[INFO] checking BrooksPatton/learning_neural_networks against master#f2c70877a7dbc51cd98e2d5d25209b24d4a586d5 for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrooksPatton%2Flearning_neural_networks" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BrooksPatton/learning_neural_networks
[INFO] finished tweaking git repo https://github.com/BrooksPatton/learning_neural_networks
[INFO] tweaked toml for git repo https://github.com/BrooksPatton/learning_neural_networks written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BrooksPatton/learning_neural_networks on toolchain f2c70877a7dbc51cd98e2d5d25209b24d4a586d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BrooksPatton/learning_neural_networks 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" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded profiling v1.0.13
[INFO] [stderr]   Downloaded gilrs-core v0.5.10
[INFO] [stderr]   Downloaded winnow v0.5.30
[INFO] [stderr]   Downloaded lyon_tessellation v1.0.13
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb7dca4933ccde822dad585d86baef2fd8c6c10ab51f66076210a6f600b1dabf
[INFO] running `Command { std: "docker" "start" "-a" "eb7dca4933ccde822dad585d86baef2fd8c6c10ab51f66076210a6f600b1dabf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb7dca4933ccde822dad585d86baef2fd8c6c10ab51f66076210a6f600b1dabf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7dca4933ccde822dad585d86baef2fd8c6c10ab51f66076210a6f600b1dabf", kill_on_drop: false }`
[INFO] [stdout] eb7dca4933ccde822dad585d86baef2fd8c6c10ab51f66076210a6f600b1dabf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 814a6a95bb8fc82ca4d08272ae77003c39a1c201c2e42aced349497c5326b2bb
[INFO] running `Command { std: "docker" "start" "-a" "814a6a95bb8fc82ca4d08272ae77003c39a1c201c2e42aced349497c5326b2bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]     Checking euclid v0.22.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking ahash v0.8.6
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.8.6/src/lib.rs:99:42
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "814a6a95bb8fc82ca4d08272ae77003c39a1c201c2e42aced349497c5326b2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814a6a95bb8fc82ca4d08272ae77003c39a1c201c2e42aced349497c5326b2bb", kill_on_drop: false }`
[INFO] [stdout] 814a6a95bb8fc82ca4d08272ae77003c39a1c201c2e42aced349497c5326b2bb
