[INFO] fetching crate starkware 0.1.0...
[INFO] checking starkware-0.1.0 against master#d93f678fa55842cccd2f091deccd93e9494b3764 for pr-138844
[INFO] extracting crate starkware 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate starkware 0.1.0 on toolchain d93f678fa55842cccd2f091deccd93e9494b3764
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate starkware 0.1.0
[INFO] finished tweaking crates.io crate starkware 0.1.0
[INFO] tweaked toml for crates.io crate starkware 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate starkware 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce054bf09f1a2f8f46507ea8db829ce10cf86ce489a63dcd9bf8174b765054d2
[INFO] running `Command { std: "docker" "start" "-a" "ce054bf09f1a2f8f46507ea8db829ce10cf86ce489a63dcd9bf8174b765054d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce054bf09f1a2f8f46507ea8db829ce10cf86ce489a63dcd9bf8174b765054d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce054bf09f1a2f8f46507ea8db829ce10cf86ce489a63dcd9bf8174b765054d2", kill_on_drop: false }`
[INFO] [stdout] ce054bf09f1a2f8f46507ea8db829ce10cf86ce489a63dcd9bf8174b765054d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50ae99121a6c7b05dfed6682d4e5f6f5e94cfd868b869775cda23f43692f1c00
[INFO] running `Command { std: "docker" "start" "-a" "50ae99121a6c7b05dfed6682d4e5f6f5e94cfd868b869775cda23f43692f1c00", kill_on_drop: false }`
[INFO] [stderr]     Checking starkware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "50ae99121a6c7b05dfed6682d4e5f6f5e94cfd868b869775cda23f43692f1c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ae99121a6c7b05dfed6682d4e5f6f5e94cfd868b869775cda23f43692f1c00", kill_on_drop: false }`
[INFO] [stdout] 50ae99121a6c7b05dfed6682d4e5f6f5e94cfd868b869775cda23f43692f1c00