[INFO] fetching crate rust-scheme 0.1.2-alpha.1...
[INFO] checking rust-scheme-0.1.2-alpha.1 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate rust-scheme 0.1.2-alpha.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rust-scheme 0.1.2-alpha.1 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-scheme 0.1.2-alpha.1
[INFO] finished tweaking crates.io crate rust-scheme 0.1.2-alpha.1
[INFO] tweaked toml for crates.io crate rust-scheme 0.1.2-alpha.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rust-scheme 0.1.2-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18d22ec0d5c282ebcd0f772f0e53edbcfef9ac5c9319663f1d453e2ecd03c0d6
[INFO] running `Command { std: "docker" "start" "-a" "18d22ec0d5c282ebcd0f772f0e53edbcfef9ac5c9319663f1d453e2ecd03c0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18d22ec0d5c282ebcd0f772f0e53edbcfef9ac5c9319663f1d453e2ecd03c0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d22ec0d5c282ebcd0f772f0e53edbcfef9ac5c9319663f1d453e2ecd03c0d6", kill_on_drop: false }`
[INFO] [stdout] 18d22ec0d5c282ebcd0f772f0e53edbcfef9ac5c9319663f1d453e2ecd03c0d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d138fb4f27aac52ab48362144fb4133986ed6454c75dfde50dcfd73d82d45a
[INFO] running `Command { std: "docker" "start" "-a" "a6d138fb4f27aac52ab48362144fb4133986ed6454c75dfde50dcfd73d82d45a", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-scheme v0.1.2-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "a6d138fb4f27aac52ab48362144fb4133986ed6454c75dfde50dcfd73d82d45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d138fb4f27aac52ab48362144fb4133986ed6454c75dfde50dcfd73d82d45a", kill_on_drop: false }`
[INFO] [stdout] a6d138fb4f27aac52ab48362144fb4133986ed6454c75dfde50dcfd73d82d45a