[INFO] fetching crate ecdsa-flow 1.0.0...
[INFO] checking ecdsa-flow-1.0.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate ecdsa-flow 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ecdsa-flow 1.0.0
[INFO] finished tweaking crates.io crate ecdsa-flow 1.0.0
[INFO] tweaked toml for crates.io crate ecdsa-flow 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ecdsa-flow 1.0.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding base64ct v1.1.1 (available: v1.8.0)
[INFO] [stderr]       Adding der v0.4.5 (available: v0.7.10)
[INFO] [stderr]       Adding hex-literal v0.3.4 (available: v1.0.0)
[INFO] [stderr]       Adding hmac v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding sha3 v0.9.1 (available: v0.10.8)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding zeroize v1.4.3 (available: v1.8.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signature-flow v1.0.0
[INFO] [stderr]   Downloaded pem-rfc7468 v0.2.4
[INFO] [stderr]   Downloaded base64ct v1.1.1
[INFO] [stderr]   Downloaded elliptic-curve-flow v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c587d971c8c84283286e2bb59c4e4e12df79cf31fae1bd09f9588a10162b5cf
[INFO] running `Command { std: "docker" "start" "-a" "9c587d971c8c84283286e2bb59c4e4e12df79cf31fae1bd09f9588a10162b5cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c587d971c8c84283286e2bb59c4e4e12df79cf31fae1bd09f9588a10162b5cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c587d971c8c84283286e2bb59c4e4e12df79cf31fae1bd09f9588a10162b5cf", kill_on_drop: false }`
[INFO] [stdout] 9c587d971c8c84283286e2bb59c4e4e12df79cf31fae1bd09f9588a10162b5cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 274be825688236d77c435bd0288e1e2babf57208c7fb3280f6d1e56da440aa8d
[INFO] running `Command { std: "docker" "start" "-a" "274be825688236d77c435bd0288e1e2babf57208c7fb3280f6d1e56da440aa8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking base64ct v1.1.1
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking der v0.4.5
[INFO] [stderr]     Checking pem-rfc7468 v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking ff v0.11.1
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-bigint v0.2.11
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking signature-flow v1.0.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking elliptic-curve-flow v1.0.0
[INFO] [stderr]     Checking ecdsa-flow v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "274be825688236d77c435bd0288e1e2babf57208c7fb3280f6d1e56da440aa8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274be825688236d77c435bd0288e1e2babf57208c7fb3280f6d1e56da440aa8d", kill_on_drop: false }`
[INFO] [stdout] 274be825688236d77c435bd0288e1e2babf57208c7fb3280f6d1e56da440aa8d