[INFO] fetching crate sp-crypto-ec-utils 0.15.0...
[INFO] checking sp-crypto-ec-utils-0.15.0 against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] extracting crate sp-crypto-ec-utils 0.15.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate sp-crypto-ec-utils 0.15.0 on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-crypto-ec-utils 0.15.0
[INFO] finished tweaking crates.io crate sp-crypto-ec-utils 0.15.0
[INFO] tweaked toml for crates.io crate sp-crypto-ec-utils 0.15.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 156 packages to latest compatible versions
[INFO] [stderr]       Adding ark-bls12-377 v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding ark-bls12-377-ext v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding ark-bls12-381 v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding ark-bls12-381-ext v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding ark-bw6-761 v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding ark-bw6-761-ext v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ec v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ed-on-bls12-377 v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ed-on-bls12-377-ext v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ed-on-bls12-381-bandersnatch v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ed-on-bls12-381-bandersnatch-ext v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding ark-scale v0.0.12 (available: v0.0.13)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e28b529a184994b132783e5efc0a1c158e3e97db20cb1f5a50b28af3876cba3
[INFO] running `Command { std: "docker" "start" "-a" "4e28b529a184994b132783e5efc0a1c158e3e97db20cb1f5a50b28af3876cba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e28b529a184994b132783e5efc0a1c158e3e97db20cb1f5a50b28af3876cba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e28b529a184994b132783e5efc0a1c158e3e97db20cb1f5a50b28af3876cba3", kill_on_drop: false }`
[INFO] [stdout] 4e28b529a184994b132783e5efc0a1c158e3e97db20cb1f5a50b28af3876cba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4956d1c909715a5c40f36443c10b437f21eac9eb1e08c7a36f00761e71a43ca3
[INFO] running `Command { std: "docker" "start" "-a" "4956d1c909715a5c40f36443c10b437f21eac9eb1e08c7a36f00761e71a43ca3", kill_on_drop: false }`
[INFO] [stderr]     Checking sp-crypto-ec-utils v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "4956d1c909715a5c40f36443c10b437f21eac9eb1e08c7a36f00761e71a43ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4956d1c909715a5c40f36443c10b437f21eac9eb1e08c7a36f00761e71a43ca3", kill_on_drop: false }`
[INFO] [stdout] 4956d1c909715a5c40f36443c10b437f21eac9eb1e08c7a36f00761e71a43ca3