[INFO] cloning repository https://github.com/mjanssen/rust-aoc-2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjanssen/rust-aoc-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjanssen%2Frust-aoc-2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjanssen%2Frust-aoc-2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 08a149531121ce7e8f9cd7b79fadd8acb020255b [INFO] building mjanssen/rust-aoc-2021 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjanssen%2Frust-aoc-2021" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mjanssen/rust-aoc-2021 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mjanssen/rust-aoc-2021 [INFO] finished tweaking git repo https://github.com/mjanssen/rust-aoc-2021 [INFO] tweaked toml for git repo https://github.com/mjanssen/rust-aoc-2021 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mjanssen/rust-aoc-2021 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4f4056315d3b87f6f5adf2a4244f14ba39cc6b4575465be350a549d63baa3023 [INFO] running `Command { std: "docker" "start" "-a" "4f4056315d3b87f6f5adf2a4244f14ba39cc6b4575465be350a549d63baa3023", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f4056315d3b87f6f5adf2a4244f14ba39cc6b4575465be350a549d63baa3023", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f4056315d3b87f6f5adf2a4244f14ba39cc6b4575465be350a549d63baa3023", kill_on_drop: false }` [INFO] [stdout] 4f4056315d3b87f6f5adf2a4244f14ba39cc6b4575465be350a549d63baa3023 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe750a5ccfd54588d75218c29de2d37290777438dd5f245c15bd17bcd56913c9 [INFO] running `Command { std: "docker" "start" "-a" "fe750a5ccfd54588d75218c29de2d37290777438dd5f245c15bd17bcd56913c9", kill_on_drop: false }` [INFO] [stderr] Compiling aho-corasick v0.7.19 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Compiling code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub mod lib; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `completed_boards` [INFO] [stdout] --> src/days/day_4.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | let completed_boards: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_completed_boards` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board_index` [INFO] [stdout] --> src/days/day_4.rs:199:13 [INFO] [stdout] | [INFO] [stdout] 199 | let mut board_index = 0u32; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `horizontal_boards` [INFO] [stdout] --> src/days/day_4.rs:194:5 [INFO] [stdout] | [INFO] [stdout] 194 | horizontal_boards: HashMap>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal_boards` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vertical_boards` [INFO] [stdout] --> src/days/day_4.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 195 | vertical_boards: HashMap>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertical_boards` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/days/day_4.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 199 | let mut board_index = 0u32; [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: unused `Result` that must be used [INFO] [stdout] --> src/days/day_2.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | part_2(lines); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = part_2(lines); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s [INFO] running `Command { std: "docker" "inspect" "fe750a5ccfd54588d75218c29de2d37290777438dd5f245c15bd17bcd56913c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe750a5ccfd54588d75218c29de2d37290777438dd5f245c15bd17bcd56913c9", kill_on_drop: false }` [INFO] [stdout] fe750a5ccfd54588d75218c29de2d37290777438dd5f245c15bd17bcd56913c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a9d15a232e56d083ffc9669a1aabedbb0db74960776c93d8300b7a9ecd7c094 [INFO] running `Command { std: "docker" "start" "-a" "6a9d15a232e56d083ffc9669a1aabedbb0db74960776c93d8300b7a9ecd7c094", kill_on_drop: false }` [INFO] [stderr] Compiling code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | pub mod lib; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `completed_boards` [INFO] [stdout] --> src/days/day_4.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | let completed_boards: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_completed_boards` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board_index` [INFO] [stdout] --> src/days/day_4.rs:199:13 [INFO] [stdout] | [INFO] [stdout] 199 | let mut board_index = 0u32; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `horizontal_boards` [INFO] [stdout] --> src/days/day_4.rs:194:5 [INFO] [stdout] | [INFO] [stdout] 194 | horizontal_boards: HashMap>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal_boards` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vertical_boards` [INFO] [stdout] --> src/days/day_4.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 195 | vertical_boards: HashMap>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertical_boards` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/days/day_4.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 199 | let mut board_index = 0u32; [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: unused `Result` that must be used [INFO] [stdout] --> src/days/day_2.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | part_2(lines); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = part_2(lines); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "6a9d15a232e56d083ffc9669a1aabedbb0db74960776c93d8300b7a9ecd7c094", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a9d15a232e56d083ffc9669a1aabedbb0db74960776c93d8300b7a9ecd7c094", kill_on_drop: false }` [INFO] [stdout] 6a9d15a232e56d083ffc9669a1aabedbb0db74960776c93d8300b7a9ecd7c094