[INFO] cloning repository https://github.com/xrs-os/kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xrs-os/kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxrs-os%2Fkernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxrs-os%2Fkernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d11e60275dfe77ac1ded57b536af88794069e701
[INFO] checking xrs-os/kernel against master#5337252b9952fdd9482ed6a4add17254e5bd2c40 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxrs-os%2Fkernel" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xrs-os/kernel on toolchain 5337252b9952fdd9482ed6a4add17254e5bd2c40
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/xrs-os/kernel
[INFO] finished tweaking git repo https://github.com/xrs-os/kernel
[INFO] tweaked toml for git repo https://github.com/xrs-os/kernel written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xrs-os/kernel 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" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/xrs-os/byte-struct-rs`
[INFO] [stderr]     Updating git repository `https://github.com/rcore-os/device_tree-rs`
[INFO] [stderr]     Updating git repository `https://github.com/rcore-os/naive-timer`
[INFO] [stderr]     Updating git repository `https://github.com/xrs-os/virtio-drivers`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xmas-elf v0.8.0
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.0
[INFO] [stderr]   Downloaded ahash v0.7.5
[INFO] [stderr]   Downloaded riscv v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b75851a7d72bb21db91d99ac11b950846e984b92d517a5262b3d88340c78961f
[INFO] running `Command { std: "docker" "start" "-a" "b75851a7d72bb21db91d99ac11b950846e984b92d517a5262b3d88340c78961f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75851a7d72bb21db91d99ac11b950846e984b92d517a5262b3d88340c78961f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75851a7d72bb21db91d99ac11b950846e984b92d517a5262b3d88340c78961f", kill_on_drop: false }`
[INFO] [stdout] b75851a7d72bb21db91d99ac11b950846e984b92d517a5262b3d88340c78961f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a2b0777830fe35e98c75b0a82c72eec8183ede36d2ff9234616f9fa7b855234
[INFO] running `Command { std: "docker" "start" "-a" "9a2b0777830fe35e98c75b0a82c72eec8183ede36d2ff9234616f9fa7b855234", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling ahash v0.7.5
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.7.5/src/lib.rs:33:42
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking array-init v2.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking pin-utils v0.1.0
[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" "9a2b0777830fe35e98c75b0a82c72eec8183ede36d2ff9234616f9fa7b855234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a2b0777830fe35e98c75b0a82c72eec8183ede36d2ff9234616f9fa7b855234", kill_on_drop: false }`
[INFO] [stdout] 9a2b0777830fe35e98c75b0a82c72eec8183ede36d2ff9234616f9fa7b855234