[INFO] fetching crate amaze 0.1.1... [INFO] checking amaze-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate amaze 0.1.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate amaze 0.1.1 [INFO] finished tweaking crates.io crate amaze 0.1.1 [INFO] tweaked toml for crates.io crate amaze 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate amaze 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 15 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53f23d62b37f370b80d393ccab7c32a2561b5f4c89f049dabbc1b16ebcbf20db [INFO] running `Command { std: "docker" "start" "-a" "53f23d62b37f370b80d393ccab7c32a2561b5f4c89f049dabbc1b16ebcbf20db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53f23d62b37f370b80d393ccab7c32a2561b5f4c89f049dabbc1b16ebcbf20db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53f23d62b37f370b80d393ccab7c32a2561b5f4c89f049dabbc1b16ebcbf20db", kill_on_drop: false }` [INFO] [stdout] 53f23d62b37f370b80d393ccab7c32a2561b5f4c89f049dabbc1b16ebcbf20db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d359e0c1af1f43c2a9410a4c8497fb325eccc916026b6f0b26b846ae892cc42 [INFO] running `Command { std: "docker" "start" "-a" "3d359e0c1af1f43c2a9410a4c8497fb325eccc916026b6f0b26b846ae892cc42", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling indoc v2.0.6 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking amaze v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Room4` is never constructed [INFO] [stdout] --> src/room4.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Room4 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/room4.rs:22:19 [INFO] [stdout] | [INFO] [stdout] 21 | impl Room4 { [INFO] [stdout] | -------------------- associated items in this implementation [INFO] [stdout] 22 | pub(crate) fn new_empty(index: RoomIndex, tag: Tag) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn set_room(&mut self, direction: Direction4, room: Option) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn set_north>>(&mut self, room: R) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn set_south>>(&mut self, room: R) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn set_east>>(&mut self, room: R) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn set_west>>(&mut self, room: R) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn north(&self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn east(&self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn south(&self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn west(&self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn has_neighbor(&mut self, direction: Direction4) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn has_neighbors(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | pub fn get_neighbor(&mut self, direction: Direction4) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn doors(&self) -> Door4 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 111 | pub fn walls(&self) -> Wall4 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 116 | pub fn index(&self) -> RoomIndex { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ensure_index_matches_and_apply` is never used [INFO] [stdout] --> src/room4.rs:121:4 [INFO] [stdout] | [INFO] [stdout] 121 | fn ensure_index_matches_and_apply( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RoomIndex` is never constructed [INFO] [stdout] --> src/room4_list.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct RoomIndex(NonZeroUsize); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Room4List` is never constructed [INFO] [stdout] --> src/room4_list.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Room4List { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EnsureIndexConsistency` is never used [INFO] [stdout] --> src/room4_list.rs:15:18 [INFO] [stdout] | [INFO] [stdout] 15 | pub(crate) trait EnsureIndexConsistency { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `push_default`, `push_new`, `len`, `is_empty`, `get`, and `get_mut` are never used [INFO] [stdout] --> src/room4_list.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Room4List { [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn push_default(&mut self, tag: Tag) -> RoomIndex { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn push_new(&mut self, tag: Tag, f: F) -> RoomIndex [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn get(&self, index: RoomIndex) -> Option<&Room4> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn get_mut(&mut self, index: RoomIndex) -> Option<&mut Room4> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from` is never used [INFO] [stdout] --> src/room4_list.rs:116:12 [INFO] [stdout] | [INFO] [stdout] 115 | impl RoomIndex { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 116 | pub fn from(value: usize) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Room4ListIntoIterator` is never constructed [INFO] [stdout] --> src/room4_list.rs:144:12 [INFO] [stdout] | [INFO] [stdout] 144 | pub struct Room4ListIntoIterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_mut` is never used [INFO] [stdout] --> src/visit_map_2d.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl VisitMap2D { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn get_mut(&mut self, coords: GridCoord2D) -> Option<&mut bool> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_room`, `has_neighbor`, and `get_neighbor` are never used [INFO] [stdout] --> src/room4.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Room4 { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn set_room(&mut self, direction: Direction4, room: Option) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn has_neighbor(&mut self, direction: Direction4) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | pub fn get_neighbor(&mut self, direction: Direction4) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `len` and `is_empty` are never used [INFO] [stdout] --> src/room4_list.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Room4List { [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_mut` is never used [INFO] [stdout] --> src/visit_map_2d.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl VisitMap2D { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn get_mut(&mut self, coords: GridCoord2D) -> Option<&mut bool> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.59s [INFO] running `Command { std: "docker" "inspect" "3d359e0c1af1f43c2a9410a4c8497fb325eccc916026b6f0b26b846ae892cc42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d359e0c1af1f43c2a9410a4c8497fb325eccc916026b6f0b26b846ae892cc42", kill_on_drop: false }` [INFO] [stdout] 3d359e0c1af1f43c2a9410a4c8497fb325eccc916026b6f0b26b846ae892cc42