[INFO] fetching crate nanochat 0.1.0...
[INFO] checking nanochat-0.1.0 against master#da2544bfbe84df7b24d83c029c74299ebf6112c6 for pr-149681
[INFO] extracting crate nanochat 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate nanochat 0.1.0
[INFO] finished tweaking crates.io crate nanochat 0.1.0
[INFO] tweaked toml for crates.io crate nanochat 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nanochat 0.1.0 on toolchain da2544bfbe84df7b24d83c029c74299ebf6112c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nanochat 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" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfc30b7d198a24f66a54227698b4c61dd37d8d429e2ed1681a3926d3a7f3c0a1
[INFO] running `Command { std: "docker" "start" "-a" "dfc30b7d198a24f66a54227698b4c61dd37d8d429e2ed1681a3926d3a7f3c0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc30b7d198a24f66a54227698b4c61dd37d8d429e2ed1681a3926d3a7f3c0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc30b7d198a24f66a54227698b4c61dd37d8d429e2ed1681a3926d3a7f3c0a1", kill_on_drop: false }`
[INFO] [stdout] dfc30b7d198a24f66a54227698b4c61dd37d8d429e2ed1681a3926d3a7f3c0a1
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+da2544bfbe84df7b24d83c029c74299ebf6112c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 635caa9bbbd721ddde94ce4390122c81d1b60a61b5f41314e1be5e2d518e80b5
[INFO] running `Command { std: "docker" "start" "-a" "635caa9bbbd721ddde94ce4390122c81d1b60a61b5f41314e1be5e2d518e80b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
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[INFO] [stderr]     Checking nanochat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "635caa9bbbd721ddde94ce4390122c81d1b60a61b5f41314e1be5e2d518e80b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635caa9bbbd721ddde94ce4390122c81d1b60a61b5f41314e1be5e2d518e80b5", kill_on_drop: false }`
[INFO] [stdout] 635caa9bbbd721ddde94ce4390122c81d1b60a61b5f41314e1be5e2d518e80b5