[INFO] cloning repository https://github.com/vidup/advent_2022_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vidup/advent_2022_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidup%2Fadvent_2022_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidup%2Fadvent_2022_rust'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidup%2Fadvent_2022_rust: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/vidup/advent_2022_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vidup/advent_2022_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidup%2Fadvent_2022_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidup%2Fadvent_2022_rust'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidup%2Fadvent_2022_rust/objects/pack: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/vidup/advent_2022_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vidup/advent_2022_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidup%2Fadvent_2022_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidup%2Fadvent_2022_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4302522fa6a41d3b52c322e16c3d191d34ae3c3f [INFO] checking vidup/advent_2022_rust against master#e9182f195b8505c87c4bd055b9f6e114ccda0981 for pr-144098 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvidup%2Fadvent_2022_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/vidup/advent_2022_rust [INFO] finished tweaking git repo https://github.com/vidup/advent_2022_rust [INFO] tweaked toml for git repo https://github.com/vidup/advent_2022_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/vidup/advent_2022_rust on toolchain e9182f195b8505c87c4bd055b9f6e114ccda0981 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/vidup/advent_2022_rust 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" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d7af43cccca297ccc0226cd4916df93b3a3ce7ba0f2e1ebc3aedd6ff881d2e4b [INFO] running `Command { std: "docker" "start" "-a" "d7af43cccca297ccc0226cd4916df93b3a3ce7ba0f2e1ebc3aedd6ff881d2e4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7af43cccca297ccc0226cd4916df93b3a3ce7ba0f2e1ebc3aedd6ff881d2e4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7af43cccca297ccc0226cd4916df93b3a3ce7ba0f2e1ebc3aedd6ff881d2e4b", kill_on_drop: false }` [INFO] [stdout] d7af43cccca297ccc0226cd4916df93b3a3ce7ba0f2e1ebc3aedd6ff881d2e4b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5931edfc2f861a69e080b01f01cbf6415dd8efeb847be1d0d395fc36f0174dd1 [INFO] running `Command { std: "docker" "start" "-a" "5931edfc2f861a69e080b01f01cbf6415dd8efeb847be1d0d395fc36f0174dd1", kill_on_drop: false }` [INFO] [stderr] Checking advent_2022 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/levels/level_7/mod.rs:154:17 [INFO] [stdout] | [INFO] [stdout] 154 | let len = path_parts.len(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/levels/level_7/mod.rs:154:17 [INFO] [stdout] | [INFO] [stdout] 154 | let len = path_parts.len(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/levels/level_7/mod.rs:148:17 [INFO] [stdout] | [INFO] [stdout] 148 | let mut path = String::from(current_directory); [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/levels/level_7/mod.rs:148:17 [INFO] [stdout] | [INFO] [stdout] 148 | let mut path = String::from(current_directory); [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: function `read_input_file` is never used [INFO] [stdout] --> src/levels/level_1/mod.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn read_input_file() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_input_file` is never used [INFO] [stdout] --> src/levels/level_1/mod.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn read_input_file() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path`, `files`, and `folders` are never read [INFO] [stdout] --> src/levels/level_7/mod.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Folder { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 16 | path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | files: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 18 | folders: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `path`, `files`, and `folders` are never read [INFO] [stdout] --> src/levels/level_7/mod.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Folder { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 16 | path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | files: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 18 | folders: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `COMMUNICATION_MARKER_LENGTH` should have a snake case name [INFO] [stdout] --> src/levels/level_6/mod.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let COMMUNICATION_MARKER_LENGTH = 4; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `communication_marker_length` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `COMMUNICATION_MARKER_LENGTH` should have a snake case name [INFO] [stdout] --> src/levels/level_6/mod.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let COMMUNICATION_MARKER_LENGTH = 4; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `communication_marker_length` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `MESSAGES_MARKER_LENGTH` should have a snake case name [INFO] [stdout] --> src/levels/level_6/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let MESSAGES_MARKER_LENGTH = 14; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `messages_marker_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `MESSAGES_MARKER_LENGTH` should have a snake case name [INFO] [stdout] --> src/levels/level_6/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let MESSAGES_MARKER_LENGTH = 14; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `messages_marker_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "5931edfc2f861a69e080b01f01cbf6415dd8efeb847be1d0d395fc36f0174dd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5931edfc2f861a69e080b01f01cbf6415dd8efeb847be1d0d395fc36f0174dd1", kill_on_drop: false }` [INFO] [stdout] 5931edfc2f861a69e080b01f01cbf6415dd8efeb847be1d0d395fc36f0174dd1