[INFO] cloning repository https://github.com/omkar-mohanty/cranelift-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omkar-mohanty/cranelift-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomkar-mohanty%2Fcranelift-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomkar-mohanty%2Fcranelift-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 557ab22899cde3f7fc1b8c3af89d4bca5a3205e4
[INFO] checking omkar-mohanty/cranelift-tutorial against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomkar-mohanty%2Fcranelift-tutorial" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/omkar-mohanty/cranelift-tutorial
[INFO] finished tweaking git repo https://github.com/omkar-mohanty/cranelift-tutorial
[INFO] tweaked toml for git repo https://github.com/omkar-mohanty/cranelift-tutorial written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/omkar-mohanty/cranelift-tutorial on toolchain d7b15db413fd2070daa09a2c5b7f2ab38417429f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/omkar-mohanty/cranelift-tutorial 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" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.94.0
[INFO] [stderr]   Downloaded cranelift-entity v0.94.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.94.0
[INFO] [stderr]   Downloaded cranelift-isle v0.94.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.94.0
[INFO] [stderr]   Downloaded cranelift v0.94.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.94.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.94.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83ad61383253451d8c188a67bfaaea0bc2330eb9763ce6848a19b7149d7ce4f3
[INFO] running `Command { std: "docker" "start" "-a" "83ad61383253451d8c188a67bfaaea0bc2330eb9763ce6848a19b7149d7ce4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ad61383253451d8c188a67bfaaea0bc2330eb9763ce6848a19b7149d7ce4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ad61383253451d8c188a67bfaaea0bc2330eb9763ce6848a19b7149d7ce4f3", kill_on_drop: false }`
[INFO] [stdout] 83ad61383253451d8c188a67bfaaea0bc2330eb9763ce6848a19b7149d7ce4f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6d8f97229c2bc9cd6108157155f06c5fdd30b94648beafae26ee1825fc94f98
[INFO] running `Command { std: "docker" "start" "-a" "f6d8f97229c2bc9cd6108157155f06c5fdd30b94648beafae26ee1825fc94f98", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cranelift-isle v0.94.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.94.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling target-lexicon v0.12.6
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking slice-group-by v0.3.0
[INFO] [stderr]     Checking cranelift-entity v0.94.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking bumpalo v3.12.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.94.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking cranelift-bforest v0.94.0
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking regalloc2 v0.6.1
[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] [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" "f6d8f97229c2bc9cd6108157155f06c5fdd30b94648beafae26ee1825fc94f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d8f97229c2bc9cd6108157155f06c5fdd30b94648beafae26ee1825fc94f98", kill_on_drop: false }`
[INFO] [stdout] f6d8f97229c2bc9cd6108157155f06c5fdd30b94648beafae26ee1825fc94f98