[INFO] cloning repository https://github.com/fredhsu/fastai-lesson4-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fredhsu/fastai-lesson4-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Ffastai-lesson4-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Ffastai-lesson4-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89a5ef6c8762fc9568e7f4e2b9c5a400448ad1bc
[INFO] checking fredhsu/fastai-lesson4-rust against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Ffastai-lesson4-rust" "/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/fredhsu/fastai-lesson4-rust
[INFO] finished tweaking git repo https://github.com/fredhsu/fastai-lesson4-rust
[INFO] tweaked toml for git repo https://github.com/fredhsu/fastai-lesson4-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fredhsu/fastai-lesson4-rust on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fredhsu/fastai-lesson4-rust 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polars-error v0.30.0
[INFO] [stderr]   Downloaded polars-utils v0.30.0
[INFO] [stderr]   Downloaded polars-row v0.30.0
[INFO] [stderr]   Downloaded polars-ops v0.30.0
[INFO] [stderr]   Downloaded polars-sql v0.30.0
[INFO] [stderr]   Downloaded polars-arrow v0.30.0
[INFO] [stderr]   Downloaded polars-pipe v0.30.0
[INFO] [stderr]   Downloaded sysinfo v0.29.2
[INFO] [stderr]   Downloaded polars v0.30.0
[INFO] [stderr]   Downloaded polars-io v0.30.0
[INFO] [stderr]   Downloaded polars-time v0.30.0
[INFO] [stderr]   Downloaded polars-lazy v0.30.0
[INFO] [stderr]   Downloaded polars-plan v0.30.0
[INFO] [stderr]   Downloaded polars-core v0.30.0
[INFO] [stderr]   Downloaded arrow2 v0.17.2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9fdb0b249bedbf88c030692e8b6e5362dfbe12b1363b32ed0ad8255440c5d22
[INFO] running `Command { std: "docker" "start" "-a" "c9fdb0b249bedbf88c030692e8b6e5362dfbe12b1363b32ed0ad8255440c5d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9fdb0b249bedbf88c030692e8b6e5362dfbe12b1363b32ed0ad8255440c5d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9fdb0b249bedbf88c030692e8b6e5362dfbe12b1363b32ed0ad8255440c5d22", kill_on_drop: false }`
[INFO] [stdout] c9fdb0b249bedbf88c030692e8b6e5362dfbe12b1363b32ed0ad8255440c5d22
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6190daf59623a4364b557e5bb597129dab84b8244ade40e4b9d2435d5baa775c
[INFO] running `Command { std: "docker" "start" "-a" "6190daf59623a4364b557e5bb597129dab84b8244ade40e4b9d2435d5baa775c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling target-features v0.1.4
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling zstd-safe v6.0.5+zstd.1.5.4
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking array-init-cursor v0.2.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking planus v0.3.1
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling arrow2 v0.17.2
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking dyn-clone v1.0.11
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.8.3/src/lib.rs:99:42
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking ethnum v1.3.2
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]    Compiling rustversion v1.0.12
[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" "6190daf59623a4364b557e5bb597129dab84b8244ade40e4b9d2435d5baa775c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6190daf59623a4364b557e5bb597129dab84b8244ade40e4b9d2435d5baa775c", kill_on_drop: false }`
[INFO] [stdout] 6190daf59623a4364b557e5bb597129dab84b8244ade40e4b9d2435d5baa775c