[INFO] fetching crate osc-cost 0.5.4...
[INFO] testing osc-cost-0.5.4 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate osc-cost 0.5.4 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate osc-cost 0.5.4
[INFO] finished tweaking crates.io crate osc-cost 0.5.4
[INFO] tweaked toml for crates.io crate osc-cost 0.5.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate osc-cost 0.5.4 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate osc-cost 0.5.4 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0adf7ae334aa888a6c92a0a90187fd9150ba208ed9192d8e5bced3c6010cf838
[INFO] running `Command { std: "docker" "start" "-a" "0adf7ae334aa888a6c92a0a90187fd9150ba208ed9192d8e5bced3c6010cf838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0adf7ae334aa888a6c92a0a90187fd9150ba208ed9192d8e5bced3c6010cf838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0adf7ae334aa888a6c92a0a90187fd9150ba208ed9192d8e5bced3c6010cf838", kill_on_drop: false }`
[INFO] [stdout] 0adf7ae334aa888a6c92a0a90187fd9150ba208ed9192d8e5bced3c6010cf838
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f3570b6421cd2b3b4b825889f9fbd207df1ae0ec9d953120e52b4c28aa3fd37
[INFO] running `Command { std: "docker" "start" "-a" "1f3570b6421cd2b3b4b825889f9fbd207df1ae0ec9d953120e52b4c28aa3fd37", kill_on_drop: false }`
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[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crc32c-0.6.3/src/lib.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![cfg_attr(nightly, feature(stdsimd, aarch64_target_feature))]
[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 `crc32c` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1f3570b6421cd2b3b4b825889f9fbd207df1ae0ec9d953120e52b4c28aa3fd37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3570b6421cd2b3b4b825889f9fbd207df1ae0ec9d953120e52b4c28aa3fd37", kill_on_drop: false }`
[INFO] [stdout] 1f3570b6421cd2b3b4b825889f9fbd207df1ae0ec9d953120e52b4c28aa3fd37