[INFO] fetching crate lifeloop 0.1.0...
[INFO] checking lifeloop-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate lifeloop 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate lifeloop 0.1.0
[INFO] finished tweaking crates.io crate lifeloop 0.1.0
[INFO] tweaked toml for crates.io crate lifeloop 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lifeloop 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lifeloop 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf4f6c39cdf2a6828955a3d2f026ff0c9523b0b7477b63fea8381f91adbfa8cf
[INFO] running `Command { std: "docker" "start" "-a" "bf4f6c39cdf2a6828955a3d2f026ff0c9523b0b7477b63fea8381f91adbfa8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf4f6c39cdf2a6828955a3d2f026ff0c9523b0b7477b63fea8381f91adbfa8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4f6c39cdf2a6828955a3d2f026ff0c9523b0b7477b63fea8381f91adbfa8cf", kill_on_drop: false }`
[INFO] [stdout] bf4f6c39cdf2a6828955a3d2f026ff0c9523b0b7477b63fea8381f91adbfa8cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4d7c728c135e7b9c438b56f8f796808eca3f299d37a74f0ee184fa23a288de3
[INFO] running `Command { std: "docker" "start" "-a" "a4d7c728c135e7b9c438b56f8f796808eca3f299d37a74f0ee184fa23a288de3", kill_on_drop: false }`
[INFO] [stderr]     Checking lifeloop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Cell` is never constructed
[INFO] [stdout]  --> src/types.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Cell {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cords` is never constructed
[INFO] [stdout]  --> src/types.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Cords {x: u64, y: u64}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]  --> src/types.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum State {Dead, Alive}
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cell` is never constructed
[INFO] [stdout]  --> src/types.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Cell {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cords` is never constructed
[INFO] [stdout]  --> src/types.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Cords {x: u64, y: u64}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]  --> src/types.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum State {Dead, Alive}
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "a4d7c728c135e7b9c438b56f8f796808eca3f299d37a74f0ee184fa23a288de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d7c728c135e7b9c438b56f8f796808eca3f299d37a74f0ee184fa23a288de3", kill_on_drop: false }`
[INFO] [stdout] a4d7c728c135e7b9c438b56f8f796808eca3f299d37a74f0ee184fa23a288de3