[INFO] cloning repository https://github.com/bunburya/hnefatafl-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bunburya/hnefatafl-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbunburya%2Fhnefatafl-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbunburya%2Fhnefatafl-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2ea705dec70af4743c44ba73d4deff4a10a71113 [INFO] checking bunburya/hnefatafl-rs against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbunburya%2Fhnefatafl-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bunburya/hnefatafl-rs on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bunburya/hnefatafl-rs [INFO] finished tweaking git repo https://github.com/bunburya/hnefatafl-rs [INFO] tweaked toml for git repo https://github.com/bunburya/hnefatafl-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bunburya/hnefatafl-rs 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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded parity-scale-codec-derive v3.7.0 [INFO] [stderr] Downloaded impl-trait-for-tuples v0.2.3 [INFO] [stderr] Downloaded parity-scale-codec v3.7.0 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 003be79827c923c8da9ab95300791ebefc1808714c92ec3eb39c87be8692c8df [INFO] running `Command { std: "docker" "start" "-a" "003be79827c923c8da9ab95300791ebefc1808714c92ec3eb39c87be8692c8df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "003be79827c923c8da9ab95300791ebefc1808714c92ec3eb39c87be8692c8df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "003be79827c923c8da9ab95300791ebefc1808714c92ec3eb39c87be8692c8df", kill_on_drop: false }` [INFO] [stdout] 003be79827c923c8da9ab95300791ebefc1808714c92ec3eb39c87be8692c8df [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 -Dreturn-local-variable-ptr" "-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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd1e8025fa7288291919b5eb47fe5ee4e0c07afd6cf2e9c5333e481b0d5a06c8 [INFO] running `Command { std: "docker" "start" "-a" "cd1e8025fa7288291919b5eb47fe5ee4e0c07afd6cf2e9c5333e481b0d5a06c8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling libc v0.2.164 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking rustc-hex v2.1.0 [INFO] [stderr] Checking uint v0.10.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.89 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking fixed-hash v0.8.0 [INFO] [stderr] Checking primitive-types v0.13.1 [INFO] [stderr] Checking hnefatafl v0.0.1-beta (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition: `hashset` [INFO] [stdout] --> src/utils.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | macro_rules! hashset { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::play::Play` [INFO] [stdout] --> src/error.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::play::Play; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::play::Play` [INFO] [stdout] --> src/error.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::play::Play; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ZeroArray` is more private than the item `BitField::Bytes` [INFO] [stdout] --> src/bitfield.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | type Bytes: AsRef<[u8]> + AsMut<[u8]> + ZeroArray; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated type `BitField::Bytes` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `ZeroArray` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/bitfield.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | trait ZeroArray { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `last_i`, and `last` are never used [INFO] [stdout] --> src/utils.rs:49:19 [INFO] [stdout] | [INFO] [stdout] 47 | impl FixedSizeQueue { [INFO] [stdout] | -------------------------------------------- associated items in this implementation [INFO] [stdout] 48 | [INFO] [stdout] 49 | pub(crate) fn new(queue: [T; N]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn last_i(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub(crate) fn last(&self) -> &T { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `attacker_moves` and `defender_moves` are never read [INFO] [stdout] --> src/play.rs:216:5 [INFO] [stdout] | [INFO] [stdout] 215 | pub struct PlayHistory { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 216 | attacker_moves: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 217 | defender_moves: Vec [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PlayHistory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test_game` [INFO] [stdout] --> src/game/logic.rs:978:13 [INFO] [stdout] | [INFO] [stdout] 978 | let test_game: Game = Game::new( [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_game` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `king_capture_rules` [INFO] [stdout] --> src/game/logic.rs:1058:13 [INFO] [stdout] | [INFO] [stdout] 1058 | let king_capture_rules = Ruleset{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_king_capture_rules` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `no_sw_friend` [INFO] [stdout] --> src/game/logic.rs:1070:13 [INFO] [stdout] | [INFO] [stdout] 1070 | let no_sw_friend = "9/9/9/6t2/7tT/6tTT/7tT/8t/9"; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_sw_friend` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `after` [INFO] [stdout] --> src/game/logic.rs:1380:14 [INFO] [stdout] | [INFO] [stdout] 1380 | let (after, record) = logic.do_play( [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_after` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `after` [INFO] [stdout] --> src/game/logic.rs:1389:14 [INFO] [stdout] | [INFO] [stdout] 1389 | let (after, record) = logic.do_play( [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_after` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `after` [INFO] [stdout] --> src/game/logic.rs:1398:14 [INFO] [stdout] | [INFO] [stdout] 1398 | let (after, record) = logic.do_play( [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_after` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `after` [INFO] [stdout] --> src/game/logic.rs:1406:14 [INFO] [stdout] | [INFO] [stdout] 1406 | let (after, record) = logic.do_play( [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_after` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ZeroArray` is more private than the item `BitField::Bytes` [INFO] [stdout] --> src/bitfield.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | type Bytes: AsRef<[u8]> + AsMut<[u8]> + ZeroArray; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated type `BitField::Bytes` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `ZeroArray` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/bitfield.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | trait ZeroArray { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `attacker_moves` and `defender_moves` are never read [INFO] [stdout] --> src/play.rs:216:5 [INFO] [stdout] | [INFO] [stdout] 215 | pub struct PlayHistory { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 216 | attacker_moves: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 217 | defender_moves: Vec [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PlayHistory` 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: function `test_from_str` is never used [INFO] [stdout] --> src/board/state.rs:352:8 [INFO] [stdout] | [INFO] [stdout] 352 | fn test_from_str() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game/mod.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | g.do_play(Play::from_tiles(Tile::new(0, 3), Tile::new(0, 2)).unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 220 | let _ = g.do_play(Play::from_tiles(Tile::new(0, 3), Tile::new(0, 2)).unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game/mod.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 223 | g.do_play(Play::from_tiles(Tile::new(2, 3), Tile::new(2, 1)).unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 223 | let _ = g.do_play(Play::from_tiles(Tile::new(2, 3), Tile::new(2, 1)).unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game/mod.rs:226:9 [INFO] [stdout] | [INFO] [stdout] 226 | g.do_play(Play::from_tiles(Tile::new(1, 3), Tile::new(1, 1)).unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 226 | let _ = g.do_play(Play::from_tiles(Tile::new(1, 3), Tile::new(1, 1)).unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.02s [INFO] running `Command { std: "docker" "inspect" "cd1e8025fa7288291919b5eb47fe5ee4e0c07afd6cf2e9c5333e481b0d5a06c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd1e8025fa7288291919b5eb47fe5ee4e0c07afd6cf2e9c5333e481b0d5a06c8", kill_on_drop: false }` [INFO] [stdout] cd1e8025fa7288291919b5eb47fe5ee4e0c07afd6cf2e9c5333e481b0d5a06c8