[INFO] cloning repository https://github.com/conradludgate/rubiks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conradludgate/rubiks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Frubiks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Frubiks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c86242c7ff7f01f45f90019538020557ab1d9ea8
[INFO] checking conradludgate/rubiks against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Frubiks" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/conradludgate/rubiks
[INFO] finished tweaking git repo https://github.com/conradludgate/rubiks
[INFO] tweaked toml for git repo https://github.com/conradludgate/rubiks written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/conradludgate/rubiks on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/conradludgate/rubiks 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" "+987a165cfab916796a8315782b83ac460a651ce2" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff0f9b2addb0e9f0c9391bd48b84309927d7ae692a0ca468c9cba4612dcd7d76
[INFO] running `Command { std: "docker" "start" "-a" "ff0f9b2addb0e9f0c9391bd48b84309927d7ae692a0ca468c9cba4612dcd7d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff0f9b2addb0e9f0c9391bd48b84309927d7ae692a0ca468c9cba4612dcd7d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0f9b2addb0e9f0c9391bd48b84309927d7ae692a0ca468c9cba4612dcd7d76", kill_on_drop: false }`
[INFO] [stdout] ff0f9b2addb0e9f0c9391bd48b84309927d7ae692a0ca468c9cba4612dcd7d76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2ecde8ed83d63671c3f248c4ce999601d49869e19ca6415bc5165184423bc2d
[INFO] running `Command { std: "docker" "start" "-a" "b2ecde8ed83d63671c3f248c4ce999601d49869e19ca6415bc5165184423bc2d", kill_on_drop: false }`
[INFO] [stderr]     Checking rubiks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Cube` is never constructed
[INFO] [stdout]  --> src/cube.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Cube {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EdgeOrientation` is never used
[INFO] [stdout]  --> src/cube.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum EdgeOrientation {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CornerOrientation` is never used
[INFO] [stdout]   --> src/cube.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum CornerOrientation {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> src/cube.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Edge(u8);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Corner` is never constructed
[INFO] [stdout]   --> src/cube.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Corner(u8);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Side` is never used
[INFO] [stdout]   --> src/cube.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum Side {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `edge` and `corner` are never used
[INFO] [stdout]   --> src/cube.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Side {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 37 |     pub fn edge(a: Self, b: Self) -> Option<Edge> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn corner(a: Self, b: Self, c: Self) -> Option<Corner> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cube` is never constructed
[INFO] [stdout]  --> src/cube.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Cube {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EdgeOrientation` is never used
[INFO] [stdout]  --> src/cube.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum EdgeOrientation {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CornerOrientation` is never used
[INFO] [stdout]   --> src/cube.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum CornerOrientation {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edge` is never constructed
[INFO] [stdout]   --> src/cube.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Edge(u8);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Corner` is never constructed
[INFO] [stdout]   --> src/cube.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Corner(u8);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Side` is never used
[INFO] [stdout]   --> src/cube.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum Side {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `edge` and `corner` are never used
[INFO] [stdout]   --> src/cube.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Side {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 37 |     pub fn edge(a: Self, b: Self) -> Option<Edge> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn corner(a: Self, b: Self, c: Self) -> Option<Corner> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "b2ecde8ed83d63671c3f248c4ce999601d49869e19ca6415bc5165184423bc2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ecde8ed83d63671c3f248c4ce999601d49869e19ca6415bc5165184423bc2d", kill_on_drop: false }`
[INFO] [stdout] b2ecde8ed83d63671c3f248c4ce999601d49869e19ca6415bc5165184423bc2d