[INFO] cloning repository https://github.com/Dzejkop/advent_of_code_2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dzejkop/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzejkop%2Fadvent_of_code_2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzejkop%2Fadvent_of_code_2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 241ec7eedd793eb9bfa1927e2fb7e86687c2df1b [INFO] checking Dzejkop/advent_of_code_2020/241ec7eedd793eb9bfa1927e2fb7e86687c2df1b 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%2FDzejkop%2Fadvent_of_code_2020" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Dzejkop/advent_of_code_2020 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/Dzejkop/advent_of_code_2020 [INFO] finished tweaking git repo https://github.com/Dzejkop/advent_of_code_2020 [INFO] tweaked toml for git repo https://github.com/Dzejkop/advent_of_code_2020 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Dzejkop/advent_of_code_2020 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82df820e2a3fc9aa7df9d417c9251d4bcca24728c27107d073c550c7cad50595 [INFO] running `Command { std: "docker" "start" "-a" "82df820e2a3fc9aa7df9d417c9251d4bcca24728c27107d073c550c7cad50595", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82df820e2a3fc9aa7df9d417c9251d4bcca24728c27107d073c550c7cad50595", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82df820e2a3fc9aa7df9d417c9251d4bcca24728c27107d073c550c7cad50595", kill_on_drop: false }` [INFO] [stdout] 82df820e2a3fc9aa7df9d417c9251d4bcca24728c27107d073c550c7cad50595 [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 -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] f59b66c4f9c54be4db703d3e69d1d11acc07f15e10c4e499065af35da62f829f [INFO] running `Command { std: "docker" "start" "-a" "f59b66c4f9c54be4db703d3e69d1d11acc07f15e10c4e499065af35da62f829f", kill_on_drop: false }` [INFO] [stderr] Checking day_2 v0.1.0 (/opt/rustwide/workdir/day_2) [INFO] [stderr] Checking day_1 v0.1.0 (/opt/rustwide/workdir/day_1) [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] --> day_2/src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 3 | policy: impl for<'r> Fn(&'r PasswordEntry<'s>) -> bool, [INFO] [stdout] | ------------------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 4 | ) -> usize { [INFO] [stdout] 5 | / s.split('\n') [INFO] [stdout] 6 | | .map(str::trim) [INFO] [stdout] 7 | | .filter(|s| !s.is_empty()) [INFO] [stdout] 8 | | .map(|s| PasswordEntry::parse_str(s).unwrap()) [INFO] [stdout] 9 | | .filter(policy) [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] [stderr] error: could not compile `day_2` (lib test) due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: fields `range`, `c`, and `pass` are never read [INFO] [stdout] --> day_2/src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct PasswordEntry<'p> { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 14 | range: (usize, usize), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 15 | c: char, [INFO] [stdout] | ^ [INFO] [stdout] 16 | pass: &'p str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_valid_policy_1` and `is_valid_policy_2` are never used [INFO] [stdout] --> day_2/src/lib.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 19 | impl<'p> PasswordEntry<'p> { [INFO] [stdout] | -------------------------- methods in this implementation [INFO] [stdout] 20 | fn is_valid_policy_1(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | fn is_valid_policy_2(&self) -> bool { [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] --> day_2/src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 3 | policy: impl for<'r> Fn(&'r PasswordEntry<'s>) -> bool, [INFO] [stdout] | ------------------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 4 | ) -> usize { [INFO] [stdout] 5 | / s.split('\n') [INFO] [stdout] 6 | | .map(str::trim) [INFO] [stdout] 7 | | .filter(|s| !s.is_empty()) [INFO] [stdout] 8 | | .map(|s| PasswordEntry::parse_str(s).unwrap()) [INFO] [stdout] 9 | | .filter(policy) [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: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `day_2` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f59b66c4f9c54be4db703d3e69d1d11acc07f15e10c4e499065af35da62f829f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f59b66c4f9c54be4db703d3e69d1d11acc07f15e10c4e499065af35da62f829f", kill_on_drop: false }` [INFO] [stdout] f59b66c4f9c54be4db703d3e69d1d11acc07f15e10c4e499065af35da62f829f