[INFO] cloning repository https://github.com/ArcticZeroo/advent-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArcticZeroo/advent-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcticZeroo%2Fadvent-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcticZeroo%2Fadvent-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0893e4e7ca3dcfdba7217d6f2ff6f6d2d0c36a37
[INFO] building ArcticZeroo/advent-2021 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcticZeroo%2Fadvent-2021" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArcticZeroo/advent-2021 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArcticZeroo/advent-2021
[INFO] finished tweaking git repo https://github.com/ArcticZeroo/advent-2021
[INFO] tweaked toml for git repo https://github.com/ArcticZeroo/advent-2021 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ArcticZeroo/advent-2021 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e60bde004120b5cd8d1b4829ac8b2feb1bfef6793a4b73b09b5ff464c0e50e25
[INFO] running `Command { std: "docker" "start" "-a" "e60bde004120b5cd8d1b4829ac8b2feb1bfef6793a4b73b09b5ff464c0e50e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e60bde004120b5cd8d1b4829ac8b2feb1bfef6793a4b73b09b5ff464c0e50e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60bde004120b5cd8d1b4829ac8b2feb1bfef6793a4b73b09b5ff464c0e50e25", kill_on_drop: false }`
[INFO] [stdout] e60bde004120b5cd8d1b4829ac8b2feb1bfef6793a4b73b09b5ff464c0e50e25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87b30e3d9c931659aac0f38007bdf374915dd4101c2deaf2fc8310b2da13e72f
[INFO] running `Command { std: "docker" "start" "-a" "87b30e3d9c931659aac0f38007bdf374915dd4101c2deaf2fc8310b2da13e72f", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Left`, `Right`, and `Back` are never constructed
[INFO] [stdout]   --> src/world.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub enum MovementDirection {
[INFO] [stdout]    |          ----------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8  |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 9  |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     Forward,
[INFO] [stdout] 11 |     Back
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MovementDirection` 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: struct `Position2D` is never constructed
[INFO] [stdout]   --> src/world.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Position2D<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `do_move_once` is never used
[INFO] [stdout]   --> src/turtle.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Turtle3D {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn do_move_once(&mut self, direction: world::MovementDirection) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "87b30e3d9c931659aac0f38007bdf374915dd4101c2deaf2fc8310b2da13e72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b30e3d9c931659aac0f38007bdf374915dd4101c2deaf2fc8310b2da13e72f", kill_on_drop: false }`
[INFO] [stdout] 87b30e3d9c931659aac0f38007bdf374915dd4101c2deaf2fc8310b2da13e72f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3c7ecc591844641210fca5b89366d8189ae76bb41399e59ae92afdbb54b102e
[INFO] running `Command { std: "docker" "start" "-a" "e3c7ecc591844641210fca5b89366d8189ae76bb41399e59ae92afdbb54b102e", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Position2D` is never constructed
[INFO] [stdout]   --> src/world.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Position2D<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "e3c7ecc591844641210fca5b89366d8189ae76bb41399e59ae92afdbb54b102e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c7ecc591844641210fca5b89366d8189ae76bb41399e59ae92afdbb54b102e", kill_on_drop: false }`
[INFO] [stdout] e3c7ecc591844641210fca5b89366d8189ae76bb41399e59ae92afdbb54b102e