[INFO] cloning repository https://github.com/johninator/AdventOfCode2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johninator/AdventOfCode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohninator%2FAdventOfCode2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohninator%2FAdventOfCode2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 71a267d6082756f139e2fab2e16bcc596a544e49 [INFO] checking johninator/AdventOfCode2021 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%2Fjohninator%2FAdventOfCode2021" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/johninator/AdventOfCode2021 [INFO] finished tweaking git repo https://github.com/johninator/AdventOfCode2021 [INFO] tweaked toml for git repo https://github.com/johninator/AdventOfCode2021 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/johninator/AdventOfCode2021 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/johninator/AdventOfCode2021 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] | [INFO] [stderr] = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3accb37aa581639e813f79d116cf577000367ee85ad4a3dea45253337f7f87c1 [INFO] running `Command { std: "docker" "start" "-a" "3accb37aa581639e813f79d116cf577000367ee85ad4a3dea45253337f7f87c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3accb37aa581639e813f79d116cf577000367ee85ad4a3dea45253337f7f87c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3accb37aa581639e813f79d116cf577000367ee85ad4a3dea45253337f7f87c1", kill_on_drop: false }` [INFO] [stdout] 3accb37aa581639e813f79d116cf577000367ee85ad4a3dea45253337f7f87c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0cacf9436bda378f58e20dff987befc5595216e43a5a69066a22d492667cbe38 [INFO] running `Command { std: "docker" "start" "-a" "0cacf9436bda378f58e20dff987befc5595216e43a5a69066a22d492667cbe38", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] | [INFO] [stderr] = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Checking day3 v0.1.0 (/opt/rustwide/workdir/day3) [INFO] [stderr] Checking day15 v0.1.0 (/opt/rustwide/workdir/day15) [INFO] [stderr] Checking day6 v0.1.0 (/opt/rustwide/workdir/day6) [INFO] [stderr] Checking day14 v0.1.0 (/opt/rustwide/workdir/day14) [INFO] [stderr] Checking day12 v0.1.0 (/opt/rustwide/workdir/day12) [INFO] [stderr] Checking day2 v0.1.0 (/opt/rustwide/workdir/day2) [INFO] [stderr] Checking day1 v0.1.0 (/opt/rustwide/workdir/day1) [INFO] [stderr] Checking day7 v0.1.0 (/opt/rustwide/workdir/day7) [INFO] [stderr] Checking day11 v0.1.0 (/opt/rustwide/workdir/day11) [INFO] [stderr] Checking day8 v0.1.0 (/opt/rustwide/workdir/day8) [INFO] [stderr] Checking day5 v0.1.0 (/opt/rustwide/workdir/day5) [INFO] [stdout] warning: function `print_distances` is never used [INFO] [stdout] --> day15/src/dijkstra.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn print_distances(nodes_unvisited: &HashSet, nodes_visited: &HashSet, dim: usize) { [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 `update_distance` is never used [INFO] [stdout] --> day15/src/dijkstra.rs:158:4 [INFO] [stdout] | [INFO] [stdout] 158 | fn update_distance() // node, distances, cave [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day10 v0.1.0 (/opt/rustwide/workdir/day10) [INFO] [stdout] warning: method `print_neighbors` is never used [INFO] [stdout] --> day12/src/graph.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Graph { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 16 | [INFO] [stdout] 17 | pub fn print_neighbors(&self, name : &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> day14/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | for i in 0..num_iterations { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> day14/src/reader.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | rule[0] = input_encoded.try_into().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] error: this type will no longer be must used: Result [INFO] [stdout] --> day14/src/reader.rs:26:19 [INFO] [stdout] | [INFO] [stdout] 26 | rule[1] = output_encoded_1.try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> day14/src/reader.rs:27:19 [INFO] [stdout] | [INFO] [stdout] 27 | rule[2] = output_encoded_2.try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i_round` [INFO] [stdout] --> day6/src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | for i_round in 0..256 { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_i_round` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `no_fish` is never read [INFO] [stdout] --> day6/src/main.rs:10:23 [INFO] [stdout] | [INFO] [stdout] 10 | let mut no_fish = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> day12/src/graph.rs:38:41 [INFO] [stdout] | [INFO] [stdout] 38 | if !self.nodes.contains_key(name.clone()) { [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> day8/src/main.rs:93:18 [INFO] [stdout] | [INFO] [stdout] 93 | for (key, val) in mapping.clone() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day9 v0.1.0 (/opt/rustwide/workdir/day9) [INFO] [stdout] warning: function `print_distances` is never used [INFO] [stdout] --> day15/src/dijkstra.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn print_distances(nodes_unvisited: &HashSet, nodes_visited: &HashSet, dim: usize) { [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 `update_distance` is never used [INFO] [stdout] --> day15/src/dijkstra.rs:158:4 [INFO] [stdout] | [INFO] [stdout] 158 | fn update_distance() // node, distances, cave [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day13 v0.1.0 (/opt/rustwide/workdir/day13) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> day14/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | for i in 0..num_iterations { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `day14` (bin "day14" test) due to 3 previous errors; 1 warning emitted [INFO] [stdout] warning: unused variable: `i_round` [INFO] [stdout] --> day6/src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | for i_round in 0..256 { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_i_round` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: value assigned to `no_fish` is never read [INFO] [stdout] --> day6/src/main.rs:10:23 [INFO] [stdout] | [INFO] [stdout] 10 | let mut no_fish = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_neighbors` is never used [INFO] [stdout] --> day12/src/graph.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Graph { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 16 | [INFO] [stdout] 17 | pub fn print_neighbors(&self, name : &str) { [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 `part1` is never used [INFO] [stdout] --> day3/src/main.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn part1(binary_codes: &Vec<[i64; SIZE]>) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> day12/src/graph.rs:38:41 [INFO] [stdout] | [INFO] [stdout] 38 | if !self.nodes.contains_key(name.clone()) { [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> day14/src/reader.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | rule[0] = input_encoded.try_into().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] error: this type will no longer be must used: Result [INFO] [stdout] --> day14/src/reader.rs:26:19 [INFO] [stdout] | [INFO] [stdout] 26 | rule[1] = output_encoded_1.try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> day14/src/reader.rs:27:19 [INFO] [stdout] | [INFO] [stdout] 27 | rule[2] = output_encoded_2.try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> day10/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> day10/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `day14` (bin "day14") due to 3 previous errors; 1 warning emitted [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> day1/src/main.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | Err(e) => return, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> day1/src/main.rs:53:15 [INFO] [stdout] | [INFO] [stdout] 53 | for (pos, e) in heights_good.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> day13/src/main.rs:52:26 [INFO] [stdout] | [INFO] [stdout] 52 | let x_max : usize = (*x_values.iter().max().unwrap()).try_into().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] error: this type will no longer be must used: Result [INFO] [stdout] --> day13/src/main.rs:53:26 [INFO] [stdout] | [INFO] [stdout] 53 | let y_max : usize = (*y_values.iter().max().unwrap()).try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> day13/src/main.rs:58:29 [INFO] [stdout] | [INFO] [stdout] 58 | let index : usize = (point[0] + point[1] * x_max).try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `day13` (bin "day13" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "0cacf9436bda378f58e20dff987befc5595216e43a5a69066a22d492667cbe38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cacf9436bda378f58e20dff987befc5595216e43a5a69066a22d492667cbe38", kill_on_drop: false }` [INFO] [stdout] 0cacf9436bda378f58e20dff987befc5595216e43a5a69066a22d492667cbe38