[INFO] fetching crate winterfell 0.13.1...
[INFO] checking winterfell-0.13.1 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-2
[INFO] extracting crate winterfell 0.13.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate winterfell 0.13.1
[INFO] finished tweaking crates.io crate winterfell 0.13.1
[INFO] tweaked toml for crates.io crate winterfell 0.13.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate winterfell 0.13.1 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate winterfell 0.13.1 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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winter-maybe-async v0.13.1
[INFO] [stderr]   Downloaded winter-fri v0.13.1
[INFO] [stderr]   Downloaded winter-utils v0.13.1
[INFO] [stderr]   Downloaded winter-math v0.13.1
[INFO] [stderr]   Downloaded winter-crypto v0.13.1
[INFO] [stderr]   Downloaded winter-prover v0.13.1
[INFO] [stderr]   Downloaded winter-verifier v0.13.1
[INFO] [stderr]   Downloaded winter-air v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4580cf7db72602afa8340f75bfed6ff5d3e02a21a4215689cdb0d9db21e19a0f
[INFO] running `Command { std: "docker" "start" "-a" "4580cf7db72602afa8340f75bfed6ff5d3e02a21a4215689cdb0d9db21e19a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4580cf7db72602afa8340f75bfed6ff5d3e02a21a4215689cdb0d9db21e19a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4580cf7db72602afa8340f75bfed6ff5d3e02a21a4215689cdb0d9db21e19a0f", kill_on_drop: false }`
[INFO] [stdout] 4580cf7db72602afa8340f75bfed6ff5d3e02a21a4215689cdb0d9db21e19a0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec8a1a0f0e949f1567f317927f8bd8ef1f8f1d6ee17535eff3bc0d2c4dfbf09b
[INFO] running `Command { std: "docker" "start" "-a" "ec8a1a0f0e949f1567f317927f8bd8ef1f8f1d6ee17535eff3bc0d2c4dfbf09b", kill_on_drop: false }`
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking winter-utils v0.13.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]     Checking winter-math v0.13.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking winter-crypto v0.13.1
[INFO] [stderr]     Checking winter-fri v0.13.1
[INFO] [stderr]     Checking winter-air v0.13.1
[INFO] [stderr]     Checking winter-verifier v0.13.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.29
[INFO] [stderr]    Compiling winter-maybe-async v0.13.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking winter-prover v0.13.1
[INFO] [stderr]     Checking winterfell v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.16s
[INFO] running `Command { std: "docker" "inspect" "ec8a1a0f0e949f1567f317927f8bd8ef1f8f1d6ee17535eff3bc0d2c4dfbf09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8a1a0f0e949f1567f317927f8bd8ef1f8f1d6ee17535eff3bc0d2c4dfbf09b", kill_on_drop: false }`
[INFO] [stdout] ec8a1a0f0e949f1567f317927f8bd8ef1f8f1d6ee17535eff3bc0d2c4dfbf09b