[INFO] fetching crate ydcv-rs 0.6.3...
[INFO] testing ydcv-rs-0.6.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate ydcv-rs 0.6.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ydcv-rs 0.6.3
[INFO] finished tweaking crates.io crate ydcv-rs 0.6.3
[INFO] tweaked toml for crates.io crate ydcv-rs 0.6.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ydcv-rs 0.6.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ydcv-rs 0.6.3 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79e2e161f45af4f05409926a0679705b71324460aa4157c9c4919b866cbaea75
[INFO] running `Command { std: "docker" "start" "-a" "79e2e161f45af4f05409926a0679705b71324460aa4157c9c4919b866cbaea75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79e2e161f45af4f05409926a0679705b71324460aa4157c9c4919b866cbaea75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e2e161f45af4f05409926a0679705b71324460aa4157c9c4919b866cbaea75", kill_on_drop: false }`
[INFO] [stdout] 79e2e161f45af4f05409926a0679705b71324460aa4157c9c4919b866cbaea75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27a0d962f7d01d92134a13430674ab5907e7f71baf8331f6c9770421498480c3
[INFO] running `Command { std: "docker" "start" "-a" "27a0d962f7d01d92134a13430674ab5907e7f71baf8331f6c9770421498480c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
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[INFO] [stderr]    Compiling nibble_vec v0.1.0
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[INFO] [stderr]    Compiling serde_json v1.0.108
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[INFO] [stderr]    Compiling base64 v0.21.5
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[INFO] [stderr]    Compiling ansi_term v0.12.1
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[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[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 structopt-derive v0.4.18
[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" "27a0d962f7d01d92134a13430674ab5907e7f71baf8331f6c9770421498480c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a0d962f7d01d92134a13430674ab5907e7f71baf8331f6c9770421498480c3", kill_on_drop: false }`
[INFO] [stdout] 27a0d962f7d01d92134a13430674ab5907e7f71baf8331f6c9770421498480c3