[INFO] fetching crate signature_core 0.29.0...
[INFO] checking signature_core-0.29.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate signature_core 0.29.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate signature_core 0.29.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signature_core 0.29.0
[INFO] finished tweaking crates.io crate signature_core 0.29.0
[INFO] tweaked toml for crates.io crate signature_core 0.29.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b418ec5740a2f78db650e0fcad635aa9abd86da9fc7850faa2537671357325e
[INFO] running `Command { std: "docker" "start" "-a" "4b418ec5740a2f78db650e0fcad635aa9abd86da9fc7850faa2537671357325e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b418ec5740a2f78db650e0fcad635aa9abd86da9fc7850faa2537671357325e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b418ec5740a2f78db650e0fcad635aa9abd86da9fc7850faa2537671357325e", kill_on_drop: false }`
[INFO] [stdout] 4b418ec5740a2f78db650e0fcad635aa9abd86da9fc7850faa2537671357325e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f80a0d75986a92ff44850a7fa8c96f8b51aade525544767d7b4eb17ea478371
[INFO] running `Command { std: "docker" "start" "-a" "7f80a0d75986a92ff44850a7fa8c96f8b51aade525544767d7b4eb17ea478371", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.8
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking ff v0.10.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde-big-array v0.3.2
[INFO] [stderr]     Checking bls12_381_plus v0.5.2
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking signature_core v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.77s
[INFO] running `Command { std: "docker" "inspect" "7f80a0d75986a92ff44850a7fa8c96f8b51aade525544767d7b4eb17ea478371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f80a0d75986a92ff44850a7fa8c96f8b51aade525544767d7b4eb17ea478371", kill_on_drop: false }`
[INFO] [stdout] 7f80a0d75986a92ff44850a7fa8c96f8b51aade525544767d7b4eb17ea478371