[INFO] fetching crate piconbiere 0.3.1...
[INFO] testing piconbiere-0.3.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate piconbiere 0.3.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate piconbiere 0.3.1
[INFO] finished tweaking crates.io crate piconbiere 0.3.1
[INFO] tweaked toml for crates.io crate piconbiere 0.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate piconbiere 0.3.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate piconbiere 0.3.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a7b24feaa36eff94ee1534492d0d033afd0933dac98238c10b2dc1c93d305cf
[INFO] running `Command { std: "docker" "start" "-a" "1a7b24feaa36eff94ee1534492d0d033afd0933dac98238c10b2dc1c93d305cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a7b24feaa36eff94ee1534492d0d033afd0933dac98238c10b2dc1c93d305cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7b24feaa36eff94ee1534492d0d033afd0933dac98238c10b2dc1c93d305cf", kill_on_drop: false }`
[INFO] [stdout] 1a7b24feaa36eff94ee1534492d0d033afd0933dac98238c10b2dc1c93d305cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b9472798aff4a11468274af1cb80b5e7598951c97d07a54f4140c3c84bfe0f5
[INFO] running `Command { std: "docker" "start" "-a" "8b9472798aff4a11468274af1cb80b5e7598951c97d07a54f4140c3c84bfe0f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.7.7/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_core v0.6.3
[INFO] [stderr]    Compiling syn v2.0.29
[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" "8b9472798aff4a11468274af1cb80b5e7598951c97d07a54f4140c3c84bfe0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9472798aff4a11468274af1cb80b5e7598951c97d07a54f4140c3c84bfe0f5", kill_on_drop: false }`
[INFO] [stdout] 8b9472798aff4a11468274af1cb80b5e7598951c97d07a54f4140c3c84bfe0f5