[INFO] fetching crate upend 0.0.56...
[INFO] testing upend-0.0.56 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate upend 0.0.56 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate upend 0.0.56
[INFO] finished tweaking crates.io crate upend 0.0.56
[INFO] tweaked toml for crates.io crate upend 0.0.56 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate upend 0.0.56 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 upend 0.0.56 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 }`
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[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ca2ca77208845084d797744717cfbadf60f2d19fee42f11a5b3a8cd88fb9e5f
[INFO] running `Command { std: "docker" "start" "-a" "2ca2ca77208845084d797744717cfbadf60f2d19fee42f11a5b3a8cd88fb9e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ca2ca77208845084d797744717cfbadf60f2d19fee42f11a5b3a8cd88fb9e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca2ca77208845084d797744717cfbadf60f2d19fee42f11a5b3a8cd88fb9e5f", kill_on_drop: false }`
[INFO] [stdout] 2ca2ca77208845084d797744717cfbadf60f2d19fee42f11a5b3a8cd88fb9e5f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09ab037060cf51a351e6f9300dd4df508c5109d5d00400fd730cace21b2bfcff
[INFO] running `Command { std: "docker" "start" "-a" "09ab037060cf51a351e6f9300dd4df508c5109d5d00400fd730cace21b2bfcff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling log v0.4.14
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[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling instant v0.1.12
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[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]    Compiling ahash v0.7.6
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.7.6/src/lib.rs:33:42
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling heck v0.3.3
[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" "09ab037060cf51a351e6f9300dd4df508c5109d5d00400fd730cace21b2bfcff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ab037060cf51a351e6f9300dd4df508c5109d5d00400fd730cace21b2bfcff", kill_on_drop: false }`
[INFO] [stdout] 09ab037060cf51a351e6f9300dd4df508c5109d5d00400fd730cace21b2bfcff