[INFO] cloning repository https://github.com/rbeneyton/AdventOfCode2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rbeneyton/AdventOfCode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbeneyton%2FAdventOfCode2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frbeneyton%2FAdventOfCode2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1766e4a47362e05a7bc8d9e5170475b34615170f [INFO] checking rbeneyton/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%2Frbeneyton%2FAdventOfCode2021" "/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/rbeneyton/AdventOfCode2021 [INFO] finished tweaking git repo https://github.com/rbeneyton/AdventOfCode2021 [INFO] tweaked toml for git repo https://github.com/rbeneyton/AdventOfCode2021 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rbeneyton/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/rbeneyton/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] 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] 1d24d28979a75d50a0b3f40be9eede2c455838d2eae4d9a954ca657063be7cd1 [INFO] running `Command { std: "docker" "start" "-a" "1d24d28979a75d50a0b3f40be9eede2c455838d2eae4d9a954ca657063be7cd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d24d28979a75d50a0b3f40be9eede2c455838d2eae4d9a954ca657063be7cd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d24d28979a75d50a0b3f40be9eede2c455838d2eae4d9a954ca657063be7cd1", kill_on_drop: false }` [INFO] [stdout] 1d24d28979a75d50a0b3f40be9eede2c455838d2eae4d9a954ca657063be7cd1 [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] f6bdb32287026dbd5502adeb11e9377d0753b195f09e5747feb369b102e25284 [INFO] running `Command { std: "docker" "start" "-a" "f6bdb32287026dbd5502adeb11e9377d0753b195f09e5747feb369b102e25284", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling curl v0.4.41 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking os_str_bytes v4.2.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Compiling libz-sys v1.1.3 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling curl-sys v0.4.51+curl-7.80.0 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.5 [INFO] [stderr] Checking clap v3.0.0-beta.5 [INFO] [stderr] Checking avent2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solutions/day04.rs:104:23 [INFO] [stdout] | [INFO] [stdout] 104 | for (idx, mut board) in boards.iter_mut().enumerate() { [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: variable does not need to be mutable [INFO] [stdout] --> src/solutions/day04.rs:104:23 [INFO] [stdout] | [INFO] [stdout] 104 | for (idx, mut board) in boards.iter_mut().enumerate() { [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: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/solutions/day15.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | drop(idx_of); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `{closure@src/solutions/day15.rs:76:22: 76:28}` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 91 - drop(idx_of); [INFO] [stdout] 91 + let _ = idx_of; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/solutions/day15.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | drop(idx_of); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `{closure@src/solutions/day15.rs:76:22: 76:28}` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 91 - drop(idx_of); [INFO] [stdout] 91 + let _ = idx_of; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `avent2021` (bin "avent2021") due to 1 previous error [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | / /// session cookie [INFO] [stdout] 16 | | #[clap(short, long, default_value = "unset")] [INFO] [stdout] 17 | | session: String, [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | / /// session cookie [INFO] [stdout] 16 | | #[clap(short, long, default_value = "unset")] [INFO] [stdout] 17 | | session: String, [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 `avent2021` (bin "avent2021" test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "f6bdb32287026dbd5502adeb11e9377d0753b195f09e5747feb369b102e25284", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6bdb32287026dbd5502adeb11e9377d0753b195f09e5747feb369b102e25284", kill_on_drop: false }` [INFO] [stdout] f6bdb32287026dbd5502adeb11e9377d0753b195f09e5747feb369b102e25284