[INFO] fetching crate winterfell 0.12.0...
[INFO] checking winterfell-0.12.0 against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] extracting crate winterfell 0.12.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate winterfell 0.12.0 on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate winterfell 0.12.0
[INFO] finished tweaking crates.io crate winterfell 0.12.0
[INFO] tweaked toml for crates.io crate winterfell 0.12.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate winterfell 0.12.0 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5323bc6dcf7e0244ecccb3150219aa40c30b71bb2a1d5bf91e4d289a9bfcfea
[INFO] running `Command { std: "docker" "start" "-a" "b5323bc6dcf7e0244ecccb3150219aa40c30b71bb2a1d5bf91e4d289a9bfcfea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5323bc6dcf7e0244ecccb3150219aa40c30b71bb2a1d5bf91e4d289a9bfcfea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5323bc6dcf7e0244ecccb3150219aa40c30b71bb2a1d5bf91e4d289a9bfcfea", kill_on_drop: false }`
[INFO] [stdout] b5323bc6dcf7e0244ecccb3150219aa40c30b71bb2a1d5bf91e4d289a9bfcfea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41e91f1d489e7c341cb483399564926dafd26389cda093809601ec4f6db5a4f4
[INFO] running `Command { std: "docker" "start" "-a" "41e91f1d489e7c341cb483399564926dafd26389cda093809601ec4f6db5a4f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking winter-utils v0.12.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.2.12
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking winter-math v0.12.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling blake3 v1.5.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking winter-crypto v0.12.0
[INFO] [stderr]     Checking winter-fri v0.12.0
[INFO] [stderr]     Checking winter-air v0.12.0
[INFO] [stderr]     Checking winter-verifier v0.12.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling winter-maybe-async v0.12.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking winter-prover v0.12.0
[INFO] [stderr]     Checking winterfell v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.24s
[INFO] running `Command { std: "docker" "inspect" "41e91f1d489e7c341cb483399564926dafd26389cda093809601ec4f6db5a4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e91f1d489e7c341cb483399564926dafd26389cda093809601ec4f6db5a4f4", kill_on_drop: false }`
[INFO] [stdout] 41e91f1d489e7c341cb483399564926dafd26389cda093809601ec4f6db5a4f4