[INFO] fetching crate lifeloop 0.1.0...
[INFO] testing lifeloop-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate lifeloop 0.1.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lifeloop 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0a518188d2b9b8f5df3acc6aa2fdf1687e56033c3dfee5f0b9a5a9e6180dabb
[INFO] running `Command { std: "docker" "start" "-a" "a0a518188d2b9b8f5df3acc6aa2fdf1687e56033c3dfee5f0b9a5a9e6180dabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0a518188d2b9b8f5df3acc6aa2fdf1687e56033c3dfee5f0b9a5a9e6180dabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a518188d2b9b8f5df3acc6aa2fdf1687e56033c3dfee5f0b9a5a9e6180dabb", kill_on_drop: false }`
[INFO] [stdout] a0a518188d2b9b8f5df3acc6aa2fdf1687e56033c3dfee5f0b9a5a9e6180dabb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831f7478b3a01d21399246f436e809425505be71a835826d1354a43bf640ca2b
[INFO] running `Command { std: "docker" "start" "-a" "831f7478b3a01d21399246f436e809425505be71a835826d1354a43bf640ca2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "831f7478b3a01d21399246f436e809425505be71a835826d1354a43bf640ca2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831f7478b3a01d21399246f436e809425505be71a835826d1354a43bf640ca2b", kill_on_drop: false }`
[INFO] [stdout] 831f7478b3a01d21399246f436e809425505be71a835826d1354a43bf640ca2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f995ae816abee3828253e681116636abcb57cb7a9966efae5d1f616b8387d393
[INFO] running `Command { std: "docker" "start" "-a" "f995ae816abee3828253e681116636abcb57cb7a9966efae5d1f616b8387d393", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "f995ae816abee3828253e681116636abcb57cb7a9966efae5d1f616b8387d393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f995ae816abee3828253e681116636abcb57cb7a9966efae5d1f616b8387d393", kill_on_drop: false }`
[INFO] [stdout] f995ae816abee3828253e681116636abcb57cb7a9966efae5d1f616b8387d393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66116e26418453a58b1a1029b053531191fd64b22082d5b08549866d105a06bf
[INFO] running `Command { std: "docker" "start" "-a" "66116e26418453a58b1a1029b053531191fd64b22082d5b08549866d105a06bf", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Cell` is never constructed
[INFO] [stderr]  --> src/types.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Cell {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cords` is never constructed
[INFO] [stderr]  --> src/types.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Cords {x: u64, y: u64}
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `State` is never used
[INFO] [stderr]  --> src/types.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum State {Dead, Alive}
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lifeloop` (bin "lifeloop" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lifeloop-a1dfeba6688c6f01)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66116e26418453a58b1a1029b053531191fd64b22082d5b08549866d105a06bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66116e26418453a58b1a1029b053531191fd64b22082d5b08549866d105a06bf", kill_on_drop: false }`
[INFO] [stdout] 66116e26418453a58b1a1029b053531191fd64b22082d5b08549866d105a06bf