[INFO] fetching crate ckb-vm-definitions 0.20.0-alpha2...
[INFO] checking ckb-vm-definitions-0.20.0-alpha2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate ckb-vm-definitions 0.20.0-alpha2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ckb-vm-definitions 0.20.0-alpha2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-vm-definitions 0.20.0-alpha2
[INFO] finished tweaking crates.io crate ckb-vm-definitions 0.20.0-alpha2
[INFO] tweaked toml for crates.io crate ckb-vm-definitions 0.20.0-alpha2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ckb-vm-definitions 0.20.0-alpha2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 195193e237765c4cdeaee800ab1f49a7a043bdc3342cc4e1a2a8bead6188e1c7
[INFO] running `Command { std: "docker" "start" "-a" "195193e237765c4cdeaee800ab1f49a7a043bdc3342cc4e1a2a8bead6188e1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "195193e237765c4cdeaee800ab1f49a7a043bdc3342cc4e1a2a8bead6188e1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195193e237765c4cdeaee800ab1f49a7a043bdc3342cc4e1a2a8bead6188e1c7", kill_on_drop: false }`
[INFO] [stdout] 195193e237765c4cdeaee800ab1f49a7a043bdc3342cc4e1a2a8bead6188e1c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 583f2ec3e660f56b8ba89d2e8ba75564daa65c50a1d05b5bf102d62fc1516ba8
[INFO] running `Command { std: "docker" "start" "-a" "583f2ec3e660f56b8ba89d2e8ba75564daa65c50a1d05b5bf102d62fc1516ba8", kill_on_drop: false }`
[INFO] [stderr]     Checking ckb-vm-definitions v0.20.0-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "583f2ec3e660f56b8ba89d2e8ba75564daa65c50a1d05b5bf102d62fc1516ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583f2ec3e660f56b8ba89d2e8ba75564daa65c50a1d05b5bf102d62fc1516ba8", kill_on_drop: false }`
[INFO] [stdout] 583f2ec3e660f56b8ba89d2e8ba75564daa65c50a1d05b5bf102d62fc1516ba8