[INFO] cloning repository https://github.com/glazari/rush-hour
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glazari/rush-hour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Frush-hour", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Frush-hour'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Frush-hour/objects/pack: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/glazari/rush-hour
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glazari/rush-hour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Frush-hour", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Frush-hour'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2b20fb5d7101fde8b9c24ceb87dbc81a5e62daf
[INFO] building glazari/rush-hour against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglazari%2Frush-hour" "/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/glazari/rush-hour on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/glazari/rush-hour
[INFO] finished tweaking git repo https://github.com/glazari/rush-hour
[INFO] tweaked toml for git repo https://github.com/glazari/rush-hour written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/glazari/rush-hour 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30da141bd5788f45b52fece53825c51714611ee5e48ae67a7fc87267005411a2
[INFO] running `Command { std: "docker" "start" "-a" "30da141bd5788f45b52fece53825c51714611ee5e48ae67a7fc87267005411a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30da141bd5788f45b52fece53825c51714611ee5e48ae67a7fc87267005411a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30da141bd5788f45b52fece53825c51714611ee5e48ae67a7fc87267005411a2", kill_on_drop: false }`
[INFO] [stdout] 30da141bd5788f45b52fece53825c51714611ee5e48ae67a7fc87267005411a2
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad05d1925b77e3113ca2019b3dfd598ac5859e496da5191ae0dbb10baae8d238
[INFO] running `Command { std: "docker" "start" "-a" "ad05d1925b77e3113ca2019b3dfd598ac5859e496da5191ae0dbb10baae8d238", kill_on_drop: false }`
[INFO] [stderr]    Compiling rush-hour v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let game = game::Game::from_string(
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V` is never used
[INFO] [stdout]  --> src/game.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const V: Dir = Dir::V;
[INFO] [stdout]   |           ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `H` is never used
[INFO] [stdout]   --> src/game.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const H: Dir = Dir::H;
[INFO] [stdout]    |           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `full_grid`, `example_game`, and `hard_example_game` are never used
[INFO] [stdout]    --> src/game.rs:207:12
[INFO] [stdout]     |
[INFO] [stdout] 203 | impl Game {
[INFO] [stdout]     | --------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 207 |     pub fn full_grid() -> Game {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn example_game() -> Game {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 |     pub fn hard_example_game() -> Game {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `to_string` and `from_string` are never used
[INFO] [stdout]    --> src/game.rs:298:8
[INFO] [stdout]     |
[INFO] [stdout] 297 | impl Move {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 298 |     fn to_string(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 |     fn from_string(s: &str) -> Move {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_to_string` is never used
[INFO] [stdout]    --> src/game.rs:318:4
[INFO] [stdout]     |
[INFO] [stdout] 318 | fn move_to_string(m: (usize, Move)) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_from_string` is never used
[INFO] [stdout]    --> src/game.rs:322:4
[INFO] [stdout]     |
[INFO] [stdout] 322 | fn move_from_string(s: &str) -> (usize, Move) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `moves_to_string` is never used
[INFO] [stdout]    --> src/game.rs:334:8
[INFO] [stdout]     |
[INFO] [stdout] 334 | pub fn moves_to_string(moves: &Vec<(usize, Move)>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `moves_from_string` is never used
[INFO] [stdout]    --> src/game.rs:343:4
[INFO] [stdout]     |
[INFO] [stdout] 343 | fn moves_from_string(s: &str) -> Vec<(usize, Move)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `moves_to_file` is never used
[INFO] [stdout]    --> src/game.rs:355:4
[INFO] [stdout]     |
[INFO] [stdout] 355 | fn moves_to_file(moves: &Vec<(usize, Move)>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/game.rs:452:12
[INFO] [stdout]     |
[INFO] [stdout] 451 | impl Car {
[INFO] [stdout]     | -------- associated function in this implementation
[INFO] [stdout] 452 |     pub fn new(dir: Dir, position: (u8, u8), piece: Piece) -> Car {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PieceOverlap` is never constructed
[INFO] [stdout]    --> src/game.rs:540:5
[INFO] [stdout]     |
[INFO] [stdout] 537 | enum Error {
[INFO] [stdout]     |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 540 |     PieceOverlap,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "ad05d1925b77e3113ca2019b3dfd598ac5859e496da5191ae0dbb10baae8d238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad05d1925b77e3113ca2019b3dfd598ac5859e496da5191ae0dbb10baae8d238", kill_on_drop: false }`
[INFO] [stdout] ad05d1925b77e3113ca2019b3dfd598ac5859e496da5191ae0dbb10baae8d238
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a53cbb1c17effdf566313d09e6cf2ff07c0d0e9ba42810ce1396050a94603150
[INFO] running `Command { std: "docker" "start" "-a" "a53cbb1c17effdf566313d09e6cf2ff07c0d0e9ba42810ce1396050a94603150", kill_on_drop: false }`
[INFO] [stderr]    Compiling rush-hour v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]    --> src/game.rs:660:13
[INFO] [stdout]     |
[INFO] [stdout] 660 |         let game = Game {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let game = game::Game::from_string(
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `full_grid` is never used
[INFO] [stdout]    --> src/game.rs:207:12
[INFO] [stdout]     |
[INFO] [stdout] 203 | impl Game {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 207 |     pub fn full_grid() -> Game {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `moves_to_file` is never used
[INFO] [stdout]    --> src/game.rs:355:4
[INFO] [stdout]     |
[INFO] [stdout] 355 | fn moves_to_file(moves: &Vec<(usize, Move)>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PieceOverlap` is never constructed
[INFO] [stdout]    --> src/game.rs:540:5
[INFO] [stdout]     |
[INFO] [stdout] 537 | enum Error {
[INFO] [stdout]     |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 540 |     PieceOverlap,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "a53cbb1c17effdf566313d09e6cf2ff07c0d0e9ba42810ce1396050a94603150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53cbb1c17effdf566313d09e6cf2ff07c0d0e9ba42810ce1396050a94603150", kill_on_drop: false }`
[INFO] [stdout] a53cbb1c17effdf566313d09e6cf2ff07c0d0e9ba42810ce1396050a94603150