[INFO] cloning repository https://github.com/iljakuklic/cover [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iljakuklic/cover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filjakuklic%2Fcover", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filjakuklic%2Fcover'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] af613e74518207ac289c30e616d6dadf4fa54bc5 [INFO] checking iljakuklic/cover against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filjakuklic%2Fcover" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iljakuklic/cover on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iljakuklic/cover [INFO] finished tweaking git repo https://github.com/iljakuklic/cover [INFO] tweaked toml for git repo https://github.com/iljakuklic/cover written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/iljakuklic/sorted-iter` [INFO] [stderr] Locking 29 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.7.1 (latest: v0.11.5) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.15) [INFO] [stderr] Adding quickcheck v0.9.2 (latest: v1.0.3) [INFO] [stderr] Adding quickcheck_macros v0.9.1 (latest: v1.0.0) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.76) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quickcheck_macros v0.9.1 [INFO] [stderr] Downloaded quickcheck v0.9.2 [INFO] [stderr] Downloaded phantom_newtype v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a9f62a7128592d82b090bbfd1bfd4c7d83516cbed495dea76fd6092af4bfa32f [INFO] running `Command { std: "docker" "start" "-a" "a9f62a7128592d82b090bbfd1bfd4c7d83516cbed495dea76fd6092af4bfa32f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9f62a7128592d82b090bbfd1bfd4c7d83516cbed495dea76fd6092af4bfa32f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9f62a7128592d82b090bbfd1bfd4c7d83516cbed495dea76fd6092af4bfa32f", kill_on_drop: false }` [INFO] [stdout] a9f62a7128592d82b090bbfd1bfd4c7d83516cbed495dea76fd6092af4bfa32f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56fb5aa2fd11c719bafafe5ad39fc77ca6565af7c2cbddf92fd91e1238a20086 [INFO] running `Command { std: "docker" "start" "-a" "56fb5aa2fd11c719bafafe5ad39fc77ca6565af7c2cbddf92fd91e1238a20086", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking sorted-iter v0.1.5 (https://github.com/iljakuklic/sorted-iter?branch=multiway-union#ec69da7c) [INFO] [stderr] Checking phantom_newtype v0.2.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking cover v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.76 [INFO] [stdout] warning: type alias `RowIdx` is never used [INFO] [stdout] --> src/structs/binary_matrix.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | pub type RowIdx = Idx; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ColIdx` is never used [INFO] [stdout] --> src/structs/binary_matrix.rs:21:10 [INFO] [stdout] | [INFO] [stdout] 21 | pub type ColIdx = Idx; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_empty`, `from_iter`, `ones_iter`, `transposed_cells_iter`, `transposed`, and `filtered` are never used [INFO] [stdout] --> src/structs/binary_matrix.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl Store { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 40 | fn new_empty() -> Store { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn from_iter(iter: Iter) -> Store [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | fn ones_iter<'a>(&'a self) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | fn transposed_cells_iter<'a>(&'a self) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | fn transposed(&self) -> Store { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 142 | fn filtered, Idx)) -> bool>(&self, p: Pred) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `from_iter` and `from_rows` are never used [INFO] [stdout] --> src/structs/binary_matrix.rs:193:12 [INFO] [stdout] | [INFO] [stdout] 191 | impl BinaryMatrix { [INFO] [stdout] | ----------------- associated functions in this implementation [INFO] [stdout] 192 | /// Create a binary matrix from a sorted iterator over one-cell coordinates. [INFO] [stdout] 193 | pub fn from_iter(it: Iter) -> Self [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 199 | fn from_rows(by_row: Store) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IDMap` is never constructed [INFO] [stdout] --> src/structs/id_map.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct IDMap { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `lookup`, `get`, `back`, `items`, and `len` are never used [INFO] [stdout] --> src/structs/id_map.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 16 | / impl IDMap [INFO] [stdout] 17 | | where ObjT: Clone + Eq + std::hash::Hash, ID: Copy + From + Into { [INFO] [stdout] | |______________________________________________________________________________- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn new() -> IDMap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn lookup(&self, obj: &ObjT) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn get(&mut self, obj: &ObjT) -> ID { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn back(&self, id: ID) -> &ObjT { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn items(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Compiling quickcheck_macros v0.9.1 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stdout] warning: associated function `from_iter` is never used [INFO] [stdout] --> src/structs/binary_matrix.rs:193:12 [INFO] [stdout] | [INFO] [stdout] 191 | impl BinaryMatrix { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 192 | /// Create a binary matrix from a sorted iterator over one-cell coordinates. [INFO] [stdout] 193 | pub fn from_iter(it: Iter) -> Self [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IDMap` is never constructed [INFO] [stdout] --> src/structs/id_map.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct IDMap { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `lookup`, `get`, `back`, `items`, and `len` are never used [INFO] [stdout] --> src/structs/id_map.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 16 | / impl IDMap [INFO] [stdout] 17 | | where ObjT: Clone + Eq + std::hash::Hash, ID: Copy + From + Into { [INFO] [stdout] | |______________________________________________________________________________- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn new() -> IDMap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn lookup(&self, obj: &ObjT) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn get(&mut self, obj: &ObjT) -> ID { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn back(&self, id: ID) -> &ObjT { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn items(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s [INFO] running `Command { std: "docker" "inspect" "56fb5aa2fd11c719bafafe5ad39fc77ca6565af7c2cbddf92fd91e1238a20086", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56fb5aa2fd11c719bafafe5ad39fc77ca6565af7c2cbddf92fd91e1238a20086", kill_on_drop: false }` [INFO] [stdout] 56fb5aa2fd11c719bafafe5ad39fc77ca6565af7c2cbddf92fd91e1238a20086 [INFO] checking iljakuklic/cover against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filjakuklic%2Fcover" "/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/iljakuklic/cover on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iljakuklic/cover [INFO] finished tweaking git repo https://github.com/iljakuklic/cover [INFO] tweaked toml for git repo https://github.com/iljakuklic/cover written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/iljakuklic/sorted-iter` [INFO] [stderr] Locking 29 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.7.1 (latest: v0.11.5) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.15) [INFO] [stderr] Adding quickcheck v0.9.2 (latest: v1.0.3) [INFO] [stderr] Adding quickcheck_macros v0.9.1 (latest: v1.0.0) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.76) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d6de13f195289d52323b5b038b4918c5367b80e06c2ccb3bfe22984f7f734f0 [INFO] running `Command { std: "docker" "start" "-a" "7d6de13f195289d52323b5b038b4918c5367b80e06c2ccb3bfe22984f7f734f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d6de13f195289d52323b5b038b4918c5367b80e06c2ccb3bfe22984f7f734f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d6de13f195289d52323b5b038b4918c5367b80e06c2ccb3bfe22984f7f734f0", kill_on_drop: false }` [INFO] [stdout] 7d6de13f195289d52323b5b038b4918c5367b80e06c2ccb3bfe22984f7f734f0 [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 -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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bcb6273a721e9a9cdd0c4b5f5f2adfabd1772069d2c3e6ffc1aa46371cbcc5f [INFO] running `Command { std: "docker" "start" "-a" "3bcb6273a721e9a9cdd0c4b5f5f2adfabd1772069d2c3e6ffc1aa46371cbcc5f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking phantom_newtype v0.2.0 [INFO] [stderr] Checking sorted-iter v0.1.5 (https://github.com/iljakuklic/sorted-iter?branch=multiway-union#ec69da7c) [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking cover v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.76 [INFO] [stdout] warning: type alias `RowIdx` is never used [INFO] [stdout] --> src/structs/binary_matrix.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | pub type RowIdx = Idx; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ColIdx` is never used [INFO] [stdout] --> src/structs/binary_matrix.rs:21:10 [INFO] [stdout] | [INFO] [stdout] 21 | pub type ColIdx = Idx; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new_empty`, `from_iter`, `ones_iter`, `transposed_cells_iter`, `transposed`, and `filtered` are never used [INFO] [stdout] --> src/structs/binary_matrix.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl Store { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 40 | fn new_empty() -> Store { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn from_iter(iter: Iter) -> Store [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | fn ones_iter<'a>(&'a self) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 97 | fn transposed_cells_iter<'a>(&'a self) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | fn transposed(&self) -> Store { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 142 | fn filtered, Idx)) -> bool>(&self, p: Pred) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `from_iter` and `from_rows` are never used [INFO] [stdout] --> src/structs/binary_matrix.rs:193:12 [INFO] [stdout] | [INFO] [stdout] 191 | impl BinaryMatrix { [INFO] [stdout] | ----------------- associated functions in this implementation [INFO] [stdout] 192 | /// Create a binary matrix from a sorted iterator over one-cell coordinates. [INFO] [stdout] 193 | pub fn from_iter(it: Iter) -> Self [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 199 | fn from_rows(by_row: Store) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IDMap` is never constructed [INFO] [stdout] --> src/structs/id_map.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct IDMap { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `lookup`, `get`, `back`, `items`, and `len` are never used [INFO] [stdout] --> src/structs/id_map.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 16 | / impl IDMap [INFO] [stdout] 17 | | where ObjT: Clone + Eq + std::hash::Hash, ID: Copy + From + Into { [INFO] [stdout] | |______________________________________________________________________________- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn new() -> IDMap { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn lookup(&self, obj: &ObjT) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn get(&mut self, obj: &ObjT) -> ID { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn back(&self, id: ID) -> &ObjT { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn items(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/structs/binary_matrix.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 116 | let mut rows = self.span_iter().chain(std::iter::repeat(empty)).map(|s| { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 126 | let rows4 = (0..((self.major_size() + 3) / 4)).map(move |_| { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 134 | / rows4.flat_map(|r4| r4.map(|((x0, x3), (x1, x4), (x2, x5), (x6, x7))| { [INFO] [stdout] 135 | | let bits = [x7, x6, x5, x4, x3, x2, x1, x0]; [INFO] [stdout] 136 | | let offset = bits.iter().fold(0, |x, &d| 2 * x + d as u32); [INFO] [stdout] 137 | | std::char::from_u32(Self::BRAILLE_START as u32 + offset).unwrap() [INFO] [stdout] 138 | | }).chain(std::iter::once('\n'))).collect() [INFO] [stdout] | |________________________________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/structs/binary_matrix.rs:143:25 [INFO] [stdout] | [INFO] [stdout] 142 | fn filtered, Idx)) -> bool>(&self, p: Pred) -> Self { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 143 | Self::from_iter(self.ones_iter().filter(p)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cover` (bin "cover") due to 3 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3bcb6273a721e9a9cdd0c4b5f5f2adfabd1772069d2c3e6ffc1aa46371cbcc5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bcb6273a721e9a9cdd0c4b5f5f2adfabd1772069d2c3e6ffc1aa46371cbcc5f", kill_on_drop: false }` [INFO] [stdout] 3bcb6273a721e9a9cdd0c4b5f5f2adfabd1772069d2c3e6ffc1aa46371cbcc5f