[INFO] fetching crate heapz 1.1.4... [INFO] checking heapz-1.1.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate heapz 1.1.4 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate heapz 1.1.4 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate heapz 1.1.4 [INFO] finished tweaking crates.io crate heapz 1.1.4 [INFO] tweaked toml for crates.io crate heapz 1.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 84 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (available: v0.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding clap v3.2.25 (available: v4.5.18) [INFO] [stderr] Adding clap_lex v0.2.4 (available: v0.7.2) [INFO] [stderr] Adding criterion v0.4.0 (available: v0.5.1) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding os_str_bytes v6.6.1 (available: v7.0.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a32d21099d6bd5130fb7cf6ddd14380d6106cbdca55e9dc2e0b8107e87d82619 [INFO] running `Command { std: "docker" "start" "-a" "a32d21099d6bd5130fb7cf6ddd14380d6106cbdca55e9dc2e0b8107e87d82619", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a32d21099d6bd5130fb7cf6ddd14380d6106cbdca55e9dc2e0b8107e87d82619", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a32d21099d6bd5130fb7cf6ddd14380d6106cbdca55e9dc2e0b8107e87d82619", kill_on_drop: false }` [INFO] [stdout] a32d21099d6bd5130fb7cf6ddd14380d6106cbdca55e9dc2e0b8107e87d82619 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d6450a7b752d3fe1efc5509f7016800e26f155a7a6dc832a29a3c78cf45a4a2 [INFO] running `Command { std: "docker" "start" "-a" "4d6450a7b752d3fe1efc5509f7016800e26f155a7a6dc832a29a3c78cf45a4a2", kill_on_drop: false }` [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking heapz v1.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rank_pairing_heap.rs:374:13 [INFO] [stdout] | [INFO] [stdout] 374 | let mut parent: Position; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rank_pairing_heap.rs:375:13 [INFO] [stdout] | [INFO] [stdout] 375 | let mut child: Position; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rank_pairing_heap.rs:377:17 [INFO] [stdout] | [INFO] [stdout] 377 | let mut parent_node: *mut Node; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rank_pairing_heap.rs:378:17 [INFO] [stdout] | [INFO] [stdout] 378 | let mut child_node: *mut Node; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `heap_rank` is never read [INFO] [stdout] --> src/rank_pairing_heap.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 69 | pub struct RankPairingHeap { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 70 | root: Position, [INFO] [stdout] 71 | heap_rank: HeapRank, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `rank1`, `rank2`, `rank`, and `rank_nodes` are never used [INFO] [stdout] --> src/rank_pairing_heap.rs:186:8 [INFO] [stdout] | [INFO] [stdout] 181 | / impl RankPairingHeap [INFO] [stdout] 182 | | where [INFO] [stdout] 183 | | K: Hash + Eq + Clone, [INFO] [stdout] 184 | | V: PartialOrd, [INFO] [stdout] | |__________________- associated items in this implementation [INFO] [stdout] 185 | { [INFO] [stdout] 186 | fn rank1(left: i32, next: i32) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 194 | fn rank2(left: i32, next: i32) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 203 | fn rank(&self, left: i32, next: i32) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 210 | fn rank_nodes(&self, left: Position, next: Position) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_index`, `get_left_index`, `get_next_index`, `get_parent_index`, and `get_siblings` are never used [INFO] [stdout] --> src/rank_pairing_heap.rs:296:8 [INFO] [stdout] | [INFO] [stdout] 266 | impl RankPairingHeap { [INFO] [stdout] | --------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 296 | fn get_index) -> Position>( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 304 | fn get_left_index(&self, index: Position) -> Position { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 308 | fn get_next_index(&self, index: Position) -> Position { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 312 | fn get_parent_index(&self, index: Position) -> Position { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 321 | fn get_siblings(&self, position: Position) -> Option<(Position, Position)> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rank_pairing_heap.rs:374:13 [INFO] [stdout] | [INFO] [stdout] 374 | let mut parent: Position; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rank_pairing_heap.rs:375:13 [INFO] [stdout] | [INFO] [stdout] 375 | let mut child: Position; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rank_pairing_heap.rs:377:17 [INFO] [stdout] | [INFO] [stdout] 377 | let mut parent_node: *mut Node; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rank_pairing_heap.rs:378:17 [INFO] [stdout] | [INFO] [stdout] 378 | let mut child_node: *mut Node; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `heap_rank` is never read [INFO] [stdout] --> src/rank_pairing_heap.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 69 | pub struct RankPairingHeap { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 70 | root: Position, [INFO] [stdout] 71 | heap_rank: HeapRank, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `rank1`, `rank2`, `rank`, and `rank_nodes` are never used [INFO] [stdout] --> src/rank_pairing_heap.rs:186:8 [INFO] [stdout] | [INFO] [stdout] 181 | / impl RankPairingHeap [INFO] [stdout] 182 | | where [INFO] [stdout] 183 | | K: Hash + Eq + Clone, [INFO] [stdout] 184 | | V: PartialOrd, [INFO] [stdout] | |__________________- associated items in this implementation [INFO] [stdout] 185 | { [INFO] [stdout] 186 | fn rank1(left: i32, next: i32) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 194 | fn rank2(left: i32, next: i32) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 203 | fn rank(&self, left: i32, next: i32) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 210 | fn rank_nodes(&self, left: Position, next: Position) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_index`, `get_left_index`, `get_next_index`, `get_parent_index`, and `get_siblings` are never used [INFO] [stdout] --> src/rank_pairing_heap.rs:296:8 [INFO] [stdout] | [INFO] [stdout] 266 | impl RankPairingHeap { [INFO] [stdout] | --------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 296 | fn get_index) -> Position>( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 304 | fn get_left_index(&self, index: Position) -> Position { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 308 | fn get_next_index(&self, index: Position) -> Position { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 312 | fn get_parent_index(&self, index: Position) -> Position { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 321 | fn get_siblings(&self, position: Position) -> Option<(Position, Position)> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `will_update_a_specific_element_by_key_in_a_min_heap` is never used [INFO] [stdout] --> tests/common/mod.rs:221:12 [INFO] [stdout] | [INFO] [stdout] 221 | pub fn will_update_a_specific_element_by_key_in_a_min_heap>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `will_update_a_specific_element_by_key_in_a_min_heap_after_pop` is never used [INFO] [stdout] --> tests/common/mod.rs:241:12 [INFO] [stdout] | [INFO] [stdout] 241 | pub fn will_update_a_specific_element_by_key_in_a_min_heap_after_pop< [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `will_update_a_specific_element_by_key_in_a_max_heap` is never used [INFO] [stdout] --> tests/common/mod.rs:267:12 [INFO] [stdout] | [INFO] [stdout] 267 | pub fn will_update_a_specific_element_by_key_in_a_max_heap>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `will_update_a_specific_element_by_key_in_a_max_heap_after_pop` is never used [INFO] [stdout] --> tests/common/mod.rs:287:12 [INFO] [stdout] | [INFO] [stdout] 287 | pub fn will_update_a_specific_element_by_key_in_a_max_heap_after_pop< [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `will_delete_a_specific_element_by_key_from_min_heap` is never used [INFO] [stdout] --> tests/common/mod.rs:316:12 [INFO] [stdout] | [INFO] [stdout] 316 | pub fn will_delete_a_specific_element_by_key_from_min_heap>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `will_delete_a_specific_element_by_key_from_min_heap_after_pop` is never used [INFO] [stdout] --> tests/common/mod.rs:333:12 [INFO] [stdout] | [INFO] [stdout] 333 | pub fn will_delete_a_specific_element_by_key_from_min_heap_after_pop< [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `will_delete_a_specific_element_by_key_from_max_heap` is never used [INFO] [stdout] --> tests/common/mod.rs:353:12 [INFO] [stdout] | [INFO] [stdout] 353 | pub fn will_delete_a_specific_element_by_key_from_max_heap>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `will_delete_a_specific_element_by_key_from_max_heap_after_pop` is never used [INFO] [stdout] --> tests/common/mod.rs:370:12 [INFO] [stdout] | [INFO] [stdout] 370 | pub fn will_delete_a_specific_element_by_key_from_max_heap_after_pop< [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.40s [INFO] running `Command { std: "docker" "inspect" "4d6450a7b752d3fe1efc5509f7016800e26f155a7a6dc832a29a3c78cf45a4a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d6450a7b752d3fe1efc5509f7016800e26f155a7a6dc832a29a3c78cf45a4a2", kill_on_drop: false }` [INFO] [stdout] 4d6450a7b752d3fe1efc5509f7016800e26f155a7a6dc832a29a3c78cf45a4a2