[INFO] cloning repository https://github.com/kelleyvanevert/cube_puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kelleyvanevert/cube_puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelleyvanevert%2Fcube_puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelleyvanevert%2Fcube_puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f4bdb83e11a4ea00418647f580d8ed26bd23862
[INFO] checking kelleyvanevert/cube_puzzle against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelleyvanevert%2Fcube_puzzle" "/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/kelleyvanevert/cube_puzzle
[INFO] finished tweaking git repo https://github.com/kelleyvanevert/cube_puzzle
[INFO] tweaked toml for git repo https://github.com/kelleyvanevert/cube_puzzle written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kelleyvanevert/cube_puzzle on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kelleyvanevert/cube_puzzle 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compare v0.1.0
[INFO] [stderr]   Downloaded binary-heap-plus v0.5.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a27873918b92680af4dda07ece7685a1f2317e326a27cc1625e5925f73cbbd5
[INFO] running `Command { std: "docker" "start" "-a" "1a27873918b92680af4dda07ece7685a1f2317e326a27cc1625e5925f73cbbd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a27873918b92680af4dda07ece7685a1f2317e326a27cc1625e5925f73cbbd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a27873918b92680af4dda07ece7685a1f2317e326a27cc1625e5925f73cbbd5", kill_on_drop: false }`
[INFO] [stdout] 1a27873918b92680af4dda07ece7685a1f2317e326a27cc1625e5925f73cbbd5
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84306d90d0e2d95b2b89c95c20e5486c8c73916f5c648872a5a4816bd20e6a3f
[INFO] running `Command { std: "docker" "start" "-a" "84306d90d0e2d95b2b89c95c20e5486c8c73916f5c648872a5a4816bd20e6a3f", kill_on_drop: false }`
[INFO] [stderr]     Checking compare v0.1.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking binary-heap-plus v0.5.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking cube_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `block` and `pos` are never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Placement {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 16 |     block: Block,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     pos: Pos,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Placement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block` and `pos` are never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Placement {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 16 |     block: Block,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     pos: Pos,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Placement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "84306d90d0e2d95b2b89c95c20e5486c8c73916f5c648872a5a4816bd20e6a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84306d90d0e2d95b2b89c95c20e5486c8c73916f5c648872a5a4816bd20e6a3f", kill_on_drop: false }`
[INFO] [stdout] 84306d90d0e2d95b2b89c95c20e5486c8c73916f5c648872a5a4816bd20e6a3f