[INFO] fetching crate variable-provider 0.2.2...
[INFO] checking variable-provider-0.2.2 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate variable-provider 0.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate variable-provider 0.2.2
[INFO] finished tweaking crates.io crate variable-provider 0.2.2
[INFO] tweaked toml for crates.io crate variable-provider 0.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate variable-provider 0.2.2 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate variable-provider 0.2.2 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8040fb6bede85ae7742208fcd092ff32e43f0fcdadca732d7370c0f5aded501f
[INFO] running `Command { std: "docker" "start" "-a" "8040fb6bede85ae7742208fcd092ff32e43f0fcdadca732d7370c0f5aded501f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8040fb6bede85ae7742208fcd092ff32e43f0fcdadca732d7370c0f5aded501f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8040fb6bede85ae7742208fcd092ff32e43f0fcdadca732d7370c0f5aded501f", kill_on_drop: false }`
[INFO] [stdout] 8040fb6bede85ae7742208fcd092ff32e43f0fcdadca732d7370c0f5aded501f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 591739b65a85ea018cd5597cd7c568437e0514c582d75132931a932bcf9ab414
[INFO] running `Command { std: "docker" "start" "-a" "591739b65a85ea018cd5597cd7c568437e0514c582d75132931a932bcf9ab414", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.40
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking const-oid v0.9.5
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling schemars v0.8.16
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking bnum v0.8.1
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking forward_ref v1.0.0
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking digest v0.10.7
[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]     Checking ff v0.13.0
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking group v0.13.0
[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" "591739b65a85ea018cd5597cd7c568437e0514c582d75132931a932bcf9ab414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591739b65a85ea018cd5597cd7c568437e0514c582d75132931a932bcf9ab414", kill_on_drop: false }`
[INFO] [stdout] 591739b65a85ea018cd5597cd7c568437e0514c582d75132931a932bcf9ab414
