[INFO] cloning repository https://github.com/dustij/SpringChallenge2021-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustij/SpringChallenge2021-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustij%2FSpringChallenge2021-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustij%2FSpringChallenge2021-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5881072940ba1a7bb6b5621b40719f89b1050045
[INFO] checking dustij/SpringChallenge2021-Rust against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustij%2FSpringChallenge2021-Rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dustij/SpringChallenge2021-Rust
[INFO] finished tweaking git repo https://github.com/dustij/SpringChallenge2021-Rust
[INFO] tweaked toml for git repo https://github.com/dustij/SpringChallenge2021-Rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dustij/SpringChallenge2021-Rust on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dustij/SpringChallenge2021-Rust 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" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking dustij/SpringChallenge2021-Rust against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustij%2FSpringChallenge2021-Rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dustij/SpringChallenge2021-Rust
[INFO] finished tweaking git repo https://github.com/dustij/SpringChallenge2021-Rust
[INFO] tweaked toml for git repo https://github.com/dustij/SpringChallenge2021-Rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dustij/SpringChallenge2021-Rust on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dustij/SpringChallenge2021-Rust 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" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3fbda6ef9acdfb8a6e0340c6694cf365618f988e5cdddd5e3b83b14151d9c23
[INFO] running `Command { std: "docker" "start" "-a" "a3fbda6ef9acdfb8a6e0340c6694cf365618f988e5cdddd5e3b83b14151d9c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3fbda6ef9acdfb8a6e0340c6694cf365618f988e5cdddd5e3b83b14151d9c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3fbda6ef9acdfb8a6e0340c6694cf365618f988e5cdddd5e3b83b14151d9c23", kill_on_drop: false }`
[INFO] [stdout] a3fbda6ef9acdfb8a6e0340c6694cf365618f988e5cdddd5e3b83b14151d9c23
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c6ba4665a7cfa4ef3c6c24817d2155febe84a0d66d5b2f374af9694d3474acd
[INFO] running `Command { std: "docker" "start" "-a" "9c6ba4665a7cfa4ef3c6c24817d2155febe84a0d66d5b2f374af9694d3474acd", kill_on_drop: false }`
[INFO] [stderr]     Checking example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `index`, `richness`, and `neighbors` are never read
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Cell {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 38 |     index: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     richness: u8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 40 |     neighbors: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cell_index`, `size`, `is_mine`, and `is_dormant` are never read
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Tree {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 44 |     cell_index: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 45 |     size: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 46 |     is_mine: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 47 |     is_dormant: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index`, `richness`, and `neighbors` are never read
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Cell {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 38 |     index: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     richness: u8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 40 |     neighbors: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cell_index`, `size`, `is_mine`, and `is_dormant` are never read
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Tree {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 44 |     cell_index: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 45 |     size: u8,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 46 |     is_mine: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 47 |     is_dormant: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "9c6ba4665a7cfa4ef3c6c24817d2155febe84a0d66d5b2f374af9694d3474acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c6ba4665a7cfa4ef3c6c24817d2155febe84a0d66d5b2f374af9694d3474acd", kill_on_drop: false }`
[INFO] [stdout] 9c6ba4665a7cfa4ef3c6c24817d2155febe84a0d66d5b2f374af9694d3474acd