[INFO] updating cached repository orhanbalci/rosalind-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/orhanbalci/rosalind-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/orhanbalci/rosalind-rs" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/orhanbalci/rosalind-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/orhanbalci/rosalind-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/orhanbalci/rosalind-rs" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/orhanbalci/rosalind-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/orhanbalci/rosalind-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2d527848f151bb1689a4970467b7b1994bb85c78 [INFO] sha for GitHub repo orhanbalci/rosalind-rs: 2d527848f151bb1689a4970467b7b1994bb85c78 [INFO] validating manifest of orhanbalci/rosalind-rs on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of orhanbalci/rosalind-rs on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing orhanbalci/rosalind-rs [INFO] finished frobbing orhanbalci/rosalind-rs [INFO] frobbed toml for orhanbalci/rosalind-rs written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/orhanbalci/rosalind-rs/Cargo.toml [INFO] started frobbing orhanbalci/rosalind-rs [INFO] finished frobbing orhanbalci/rosalind-rs [INFO] frobbed toml for orhanbalci/rosalind-rs written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/orhanbalci/rosalind-rs/Cargo.toml [INFO] crate orhanbalci/rosalind-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/orhanbalci/rosalind-rs/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded suffix v1.1.0 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking orhanbalci/rosalind-rs against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-3/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/orhanbalci/rosalind-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] adaefda69d6f4f0837352bd97733e595b61c72d10ea77006cef798264a13c451 [INFO] running `"docker" "start" "-a" "adaefda69d6f4f0837352bd97733e595b61c72d10ea77006cef798264a13c451"` [INFO] [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/src/long.rs [INFO] [stderr] Checking ordermap v0.3.5 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking suffix v1.1.0 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Checking rosalind v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/sseq.rs:13:29 [INFO] [stderr] | [INFO] [stderr] 13 | result_index += (next_index + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] error[E0061]: this function takes 2 parameters but 1 parameter was supplied [INFO] [stderr] --> src/long.rs:19:27 [INFO] [stderr] | [INFO] [stderr] 19 | let sorted_vertices = toposort(&overlap_graph); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ expected 2 parameters [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/sset.rs:13:39 [INFO] [stderr] | [INFO] [stderr] 13 | (1..set_size + 1).fold(1, |accum, x| 2 * accum % modulo) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sseq.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut dnas = protein_utilities::read_fasta("./data/sseq.txt"); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/splc.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mut raw_lines: Vec<&str> = file_contents.split("\r\n").collect(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/sseq.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | / dnas[1] [INFO] [stderr] 9 | | .chars() [INFO] [stderr] 10 | | .inspect(|c| { [INFO] [stderr] 11 | | let next_index = dnas[0].chars().skip(result_index).position(|k| k == *c).unwrap(); [INFO] [stderr] ... | [INFO] [stderr] 14 | | }) [INFO] [stderr] 15 | | .collect::>(); [INFO] [stderr] | |_____________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/sseq.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | result.iter().inspect(|x| print!("{} ", x)).collect::>(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/long.rs:24:69 [INFO] [stderr] | [INFO] [stderr] 24 | .map(|&x| overlap_graph.node_weight(x).unwrap()) [INFO] [stderr] | ^ expected struct `petgraph::prelude::NodeIndex`, found struct `std::vec::Vec` [INFO] [stderr] | [INFO] [stderr] = note: expected type `petgraph::prelude::NodeIndex` [INFO] [stderr] found type `std::vec::Vec<_>` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/pdst.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | / dnas.iter() [INFO] [stderr] 10 | | .enumerate() [INFO] [stderr] 11 | | .inspect(|first_dna| { [INFO] [stderr] 12 | | dnas.iter() [INFO] [stderr] ... | [INFO] [stderr] 21 | | }) [INFO] [stderr] 22 | | .collect::>(); [INFO] [stderr] | |_____________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/pdst.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | / dnas.iter() [INFO] [stderr] 13 | | .skip(first_dna.0) [INFO] [stderr] 14 | | .enumerate() [INFO] [stderr] 15 | | .inspect(|second_dna| { [INFO] [stderr] ... | [INFO] [stderr] 19 | | }) [INFO] [stderr] 20 | | .collect::>(); [INFO] [stderr] | |_____________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/pdst.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | / matrix.iter() [INFO] [stderr] 39 | | .inspect(|row| { [INFO] [stderr] 40 | | row.iter() [INFO] [stderr] 41 | | .inspect(|element| { [INFO] [stderr] ... | [INFO] [stderr] 46 | | }) [INFO] [stderr] 47 | | .collect::>(); [INFO] [stderr] | |_______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/pdst.rs:40:15 [INFO] [stderr] | [INFO] [stderr] 40 | / row.iter() [INFO] [stderr] 41 | | .inspect(|element| { [INFO] [stderr] 42 | | print!("{} ", element); [INFO] [stderr] 43 | | }) [INFO] [stderr] 44 | | .collect::>(); [INFO] [stderr] | |______________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors occurred: E0061, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0061`. [INFO] [stderr] error: Could not compile `rosalind`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/lcsm.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | / dna_suffix.chars() [INFO] [stderr] 89 | | .inspect(|c| { [INFO] [stderr] 90 | | if (*c as u32) >= special_char_begin && [INFO] [stderr] 91 | | (*c as u32) < special_char_begin + dna_count { [INFO] [stderr] ... | [INFO] [stderr] 94 | | }) [INFO] [stderr] 95 | | .collect::(); [INFO] [stderr] | |_______________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/sseq.rs:13:29 [INFO] [stderr] | [INFO] [stderr] 13 | result_index += (next_index + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] error[E0061]: this function takes 2 parameters but 1 parameter was supplied [INFO] [stderr] --> src/long.rs:19:27 [INFO] [stderr] | [INFO] [stderr] 19 | let sorted_vertices = toposort(&overlap_graph); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ expected 2 parameters [INFO] [stderr] [INFO] [stderr] error[E0061]: this function takes 2 parameters but 1 parameter was supplied [INFO] [stderr] --> src/long.rs:19:27 [INFO] [stderr] | [INFO] [stderr] 19 | let sorted_vertices = toposort(&overlap_graph); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ expected 2 parameters [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sseq.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut dnas = protein_utilities::read_fasta("./data/sseq.txt"); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] error[E0061]: this function takes 2 parameters but 1 parameter was supplied [INFO] [stderr] --> src/long.rs:19:27 [INFO] [stderr] | [INFO] [stderr] 19 | let sorted_vertices = toposort(&overlap_graph); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ expected 2 parameters [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/long.rs:24:69 [INFO] [stderr] | [INFO] [stderr] 24 | .map(|&x| overlap_graph.node_weight(x).unwrap()) [INFO] [stderr] | ^ expected struct `petgraph::prelude::NodeIndex`, found struct `std::vec::Vec` [INFO] [stderr] | [INFO] [stderr] = note: expected type `petgraph::prelude::NodeIndex` [INFO] [stderr] found type `std::vec::Vec<_>` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/sseq.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | / dnas[1] [INFO] [stderr] 9 | | .chars() [INFO] [stderr] 10 | | .inspect(|c| { [INFO] [stderr] 11 | | let next_index = dnas[0].chars().skip(result_index).position(|k| k == *c).unwrap(); [INFO] [stderr] ... | [INFO] [stderr] 14 | | }) [INFO] [stderr] 15 | | .collect::>(); [INFO] [stderr] | |_____________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/sseq.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | result.iter().inspect(|x| print!("{} ", x)).collect::>(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/pdst.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | / dnas.iter() [INFO] [stderr] 10 | | .enumerate() [INFO] [stderr] 11 | | .inspect(|first_dna| { [INFO] [stderr] 12 | | dnas.iter() [INFO] [stderr] ... | [INFO] [stderr] 21 | | }) [INFO] [stderr] 22 | | .collect::>(); [INFO] [stderr] | |_____________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/pdst.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | / dnas.iter() [INFO] [stderr] 13 | | .skip(first_dna.0) [INFO] [stderr] 14 | | .enumerate() [INFO] [stderr] 15 | | .inspect(|second_dna| { [INFO] [stderr] ... | [INFO] [stderr] 19 | | }) [INFO] [stderr] 20 | | .collect::>(); [INFO] [stderr] | |_____________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/pdst.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | / matrix.iter() [INFO] [stderr] 39 | | .inspect(|row| { [INFO] [stderr] 40 | | row.iter() [INFO] [stderr] 41 | | .inspect(|element| { [INFO] [stderr] ... | [INFO] [stderr] 46 | | }) [INFO] [stderr] 47 | | .collect::>(); [INFO] [stderr] | |_______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/pdst.rs:40:15 [INFO] [stderr] | [INFO] [stderr] 40 | / row.iter() [INFO] [stderr] 41 | | .inspect(|element| { [INFO] [stderr] 42 | | print!("{} ", element); [INFO] [stderr] 43 | | }) [INFO] [stderr] 44 | | .collect::>(); [INFO] [stderr] | |______________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors occurred: E0061, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0061`. [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/sset.rs:13:39 [INFO] [stderr] | [INFO] [stderr] 13 | (1..set_size + 1).fold(1, |accum, x| 2 * accum % modulo) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] error: Could not compile `rosalind`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/long.rs:24:69 [INFO] [stderr] | [INFO] [stderr] 24 | .map(|&x| overlap_graph.node_weight(x).unwrap()) [INFO] [stderr] | ^ expected struct `petgraph::prelude::NodeIndex`, found struct `std::vec::Vec` [INFO] [stderr] | [INFO] [stderr] = note: expected type `petgraph::prelude::NodeIndex` [INFO] [stderr] found type `std::vec::Vec<_>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/long.rs:24:69 [INFO] [stderr] | [INFO] [stderr] 24 | .map(|&x| overlap_graph.node_weight(x).unwrap()) [INFO] [stderr] | ^ expected struct `petgraph::prelude::NodeIndex`, found struct `std::vec::Vec` [INFO] [stderr] | [INFO] [stderr] = note: expected type `petgraph::prelude::NodeIndex` [INFO] [stderr] found type `std::vec::Vec<_>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors occurred: E0061, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0061`. [INFO] [stderr] error: Could not compile `rosalind`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors occurred: E0061, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0061`. [INFO] [stderr] error: Could not compile `rosalind`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/lcsm.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | / dna_suffix.chars() [INFO] [stderr] 89 | | .inspect(|c| { [INFO] [stderr] 90 | | if (*c as u32) >= special_char_begin && [INFO] [stderr] 91 | | (*c as u32) < special_char_begin + dna_count { [INFO] [stderr] ... | [INFO] [stderr] 94 | | }) [INFO] [stderr] 95 | | .collect::(); [INFO] [stderr] | |_______________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "adaefda69d6f4f0837352bd97733e595b61c72d10ea77006cef798264a13c451"` [INFO] running `"docker" "rm" "-f" "adaefda69d6f4f0837352bd97733e595b61c72d10ea77006cef798264a13c451"` [INFO] [stdout] adaefda69d6f4f0837352bd97733e595b61c72d10ea77006cef798264a13c451