[INFO] cloning repository https://github.com/haard18/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haard18/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaard18%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaard18%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1662fa07d409ed529e0c44c6a1121ff8c1d5e4fa
[INFO] checking haard18/rust against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaard18%2Frust" "/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/haard18/rust
[INFO] finished tweaking git repo https://github.com/haard18/rust
[INFO] tweaked toml for git repo https://github.com/haard18/rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/haard18/rust on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/haard18/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6231b4bfdd4a0dcf876792d50b62eeab8100efa68ae78c53e7207ec6a3bd3bd0
[INFO] running `Command { std: "docker" "start" "-a" "6231b4bfdd4a0dcf876792d50b62eeab8100efa68ae78c53e7207ec6a3bd3bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6231b4bfdd4a0dcf876792d50b62eeab8100efa68ae78c53e7207ec6a3bd3bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6231b4bfdd4a0dcf876792d50b62eeab8100efa68ae78c53e7207ec6a3bd3bd0", kill_on_drop: false }`
[INFO] [stdout] 6231b4bfdd4a0dcf876792d50b62eeab8100efa68ae78c53e7207ec6a3bd3bd0
[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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0ae668eeee1a0a23dcfa632e26cfb2b5bbfce6b67a190254392aca8955ec989
[INFO] running `Command { std: "docker" "start" "-a" "c0ae668eeee1a0a23dcfa632e26cfb2b5bbfce6b67a190254392aca8955ec989", kill_on_drop: false }`
[INFO] [stderr]     Checking init v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `North`, `South`, and `West` are never constructed
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Directions{
[INFO] [stdout]   |      ---------- variants in this enum
[INFO] [stdout] 3 |     North,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     East,
[INFO] [stdout] 5 |     South,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     West
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Directions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `North`, `South`, and `West` are never constructed
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Directions{
[INFO] [stdout]   |      ---------- variants in this enum
[INFO] [stdout] 3 |     North,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     East,
[INFO] [stdout] 5 |     South,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     West
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Directions` has a derived impl for the trait `Debug`, but this is 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 0.14s
[INFO] running `Command { std: "docker" "inspect" "c0ae668eeee1a0a23dcfa632e26cfb2b5bbfce6b67a190254392aca8955ec989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ae668eeee1a0a23dcfa632e26cfb2b5bbfce6b67a190254392aca8955ec989", kill_on_drop: false }`
[INFO] [stdout] c0ae668eeee1a0a23dcfa632e26cfb2b5bbfce6b67a190254392aca8955ec989