[INFO] cloning repository https://github.com/dubssieg/rs-pangenome-paths
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dubssieg/rs-pangenome-paths" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdubssieg%2Frs-pangenome-paths", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdubssieg%2Frs-pangenome-paths'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41615387b49e89fad2112b4c4019ead8b02b4d17
[INFO] checking dubssieg/rs-pangenome-paths against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdubssieg%2Frs-pangenome-paths" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dubssieg/rs-pangenome-paths
[INFO] finished tweaking git repo https://github.com/dubssieg/rs-pangenome-paths
[INFO] tweaked toml for git repo https://github.com/dubssieg/rs-pangenome-paths written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dubssieg/rs-pangenome-paths on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dubssieg/rs-pangenome-paths 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6b01e98da1d542fbc35ec523ce6849bc1a65f8a84ad04dbd7feffe33d2388b5
[INFO] running `Command { std: "docker" "start" "-a" "a6b01e98da1d542fbc35ec523ce6849bc1a65f8a84ad04dbd7feffe33d2388b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6b01e98da1d542fbc35ec523ce6849bc1a65f8a84ad04dbd7feffe33d2388b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b01e98da1d542fbc35ec523ce6849bc1a65f8a84ad04dbd7feffe33d2388b5", kill_on_drop: false }`
[INFO] [stdout] a6b01e98da1d542fbc35ec523ce6849bc1a65f8a84ad04dbd7feffe33d2388b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0788df6b363f3c141b571a6bd6df41d555e91b37440c12b72638dcbddfeb707
[INFO] running `Command { std: "docker" "start" "-a" "a0788df6b363f3c141b571a6bd6df41d555e91b37440c12b72638dcbddfeb707", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking clap_lex v0.7.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.15.1
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking clap_builder v4.5.21
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking petgraph v0.7.1
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking clap v4.5.21
[INFO] [stderr]     Checking rs-pancat-paths v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/remove_loops.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut aggregated_occurences: HashMap<String, u8> = aggregate_occurences(paths);
[INFO] [stdout]   |         ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `columns`
[INFO] [stdout]   --> src/remove_loops.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let columns: Vec<&str> = line.split('\t').collect();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_columns`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_labels`
[INFO] [stdout]   --> src/remove_loops.rs:72:40
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn add_nodes_to_graph(file_path: &str, node_labels: HashMap<String, Vec<u64>>) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/remove_loops.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let file = File::open(file_path).unwrap();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]   --> src/simplify_graph.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn write_graph(file_path: &str) {}
[INFO] [stdout]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/simplify_graph.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn simp_substitution(graph: Graph<String, String>) {}
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_hashmap` is never used
[INFO] [stdout]   --> src/remove_loops.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn print_hashmap(hashmap: HashMap<String, Vec<u64>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_nodes_to_graph` is never used
[INFO] [stdout]   --> src/remove_loops.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn add_nodes_to_graph(file_path: &str, node_labels: HashMap<String, Vec<u64>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/spurious.rs:30:44
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 let mut sequence: String = columns[2].parse::<String>().unwrap();
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/remove_loops.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut aggregated_occurences: HashMap<String, u8> = aggregate_occurences(paths);
[INFO] [stdout]   |         ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `columns`
[INFO] [stdout]   --> src/remove_loops.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let columns: Vec<&str> = line.split('\t').collect();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_columns`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_labels`
[INFO] [stdout]   --> src/remove_loops.rs:72:40
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn add_nodes_to_graph(file_path: &str, node_labels: HashMap<String, Vec<u64>>) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/remove_loops.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let file = File::open(file_path).unwrap();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]   --> src/simplify_graph.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn write_graph(file_path: &str) {}
[INFO] [stdout]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/simplify_graph.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn simp_substitution(graph: Graph<String, String>) {}
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-pancat-paths` (bin "rs-pancat-paths") due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `print_hashmap` is never used
[INFO] [stdout]   --> src/remove_loops.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn print_hashmap(hashmap: HashMap<String, Vec<u64>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_nodes_to_graph` is never used
[INFO] [stdout]   --> src/remove_loops.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn add_nodes_to_graph(file_path: &str, node_labels: HashMap<String, Vec<u64>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_filter_occurences` is never used
[INFO] [stdout]    --> src/remove_loops.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn test_filter_occurences() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/spurious.rs:30:44
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 let mut sequence: String = columns[2].parse::<String>().unwrap();
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-pancat-paths` (bin "rs-pancat-paths" test) due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a0788df6b363f3c141b571a6bd6df41d555e91b37440c12b72638dcbddfeb707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0788df6b363f3c141b571a6bd6df41d555e91b37440c12b72638dcbddfeb707", kill_on_drop: false }`
[INFO] [stdout] a0788df6b363f3c141b571a6bd6df41d555e91b37440c12b72638dcbddfeb707
