[INFO] cloning repository https://github.com/Creator13/AdventOfCode2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Creator13/AdventOfCode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCreator13%2FAdventOfCode2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCreator13%2FAdventOfCode2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 52916411067a2488b6f81a939259735092b8cfc1 [INFO] checking Creator13/AdventOfCode2021/52916411067a2488b6f81a939259735092b8cfc1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCreator13%2FAdventOfCode2021" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Creator13/AdventOfCode2021 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Creator13/AdventOfCode2021 [INFO] finished tweaking git repo https://github.com/Creator13/AdventOfCode2021 [INFO] tweaked toml for git repo https://github.com/Creator13/AdventOfCode2021 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Creator13/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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0546ade4ef4e6893719f60cf56967c28645b43a81cc84a0b1e1e03b640e96db2 [INFO] running `Command { std: "docker" "start" "-a" "0546ade4ef4e6893719f60cf56967c28645b43a81cc84a0b1e1e03b640e96db2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0546ade4ef4e6893719f60cf56967c28645b43a81cc84a0b1e1e03b640e96db2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0546ade4ef4e6893719f60cf56967c28645b43a81cc84a0b1e1e03b640e96db2", kill_on_drop: false }` [INFO] [stdout] 0546ade4ef4e6893719f60cf56967c28645b43a81cc84a0b1e1e03b640e96db2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 903a13b1ecb9a8b8fb4789b4a12aedb9ff3341b2e2f1f54fb5451c5419f7fcfd [INFO] running `Command { std: "docker" "start" "-a" "903a13b1ecb9a8b8fb4789b4a12aedb9ff3341b2e2f1f54fb5451c5419f7fcfd", kill_on_drop: false }` [INFO] [stderr] Checking aoc2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `step` [INFO] [stdout] --> src/challenge11.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | for step in 0..steps { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `step` [INFO] [stdout] --> src/challenge11.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | for step in 0..steps { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OutputLine` is never constructed [INFO] [stdout] --> src/challenge8.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct OutputLine { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_at` and `reset_flashed` are never used [INFO] [stdout] --> src/challenge11.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Grid { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 9 | pub fn get_at(&self, x: usize, y: usize) -> u8 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn reset_flashed(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | .map(|line| line.parse().map_err(|e: T::Err| e.into())) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OutputLine` is never constructed [INFO] [stdout] --> src/challenge8.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct OutputLine { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:44:24 [INFO] [stdout] | [INFO] [stdout] 44 | .map(|val| val.parse().map_err(|e: T::Err| e.into())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_at` and `reset_flashed` are never used [INFO] [stdout] --> src/challenge11.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Grid { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 9 | pub fn get_at(&self, x: usize, y: usize) -> u8 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn reset_flashed(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | .map(|line| line.parse().map_err(|e: T::Err| e.into())) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:44:24 [INFO] [stdout] | [INFO] [stdout] 44 | .map(|val| val.parse().map_err(|e: T::Err| e.into())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2021` (lib) due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2021` (lib test) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "903a13b1ecb9a8b8fb4789b4a12aedb9ff3341b2e2f1f54fb5451c5419f7fcfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "903a13b1ecb9a8b8fb4789b4a12aedb9ff3341b2e2f1f54fb5451c5419f7fcfd", kill_on_drop: false }` [INFO] [stdout] 903a13b1ecb9a8b8fb4789b4a12aedb9ff3341b2e2f1f54fb5451c5419f7fcfd