[INFO] cloning repository https://github.com/bumblepie/advent-of-code-2019 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bumblepie/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumblepie%2Fadvent-of-code-2019", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumblepie%2Fadvent-of-code-2019'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 70cd801481f5e287ae8e6bfcfc729d126655ed7c [INFO] checking bumblepie/advent-of-code-2019/70cd801481f5e287ae8e6bfcfc729d126655ed7c 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%2Fbumblepie%2Fadvent-of-code-2019" "/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/bumblepie/advent-of-code-2019 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/bumblepie/advent-of-code-2019 [INFO] finished tweaking git repo https://github.com/bumblepie/advent-of-code-2019 [INFO] tweaked toml for git repo https://github.com/bumblepie/advent-of-code-2019 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bumblepie/advent-of-code-2019 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] c1a885b9b10542e6fb663f8b9b5837743d243ddb547173717a21171b0c6d4f44 [INFO] running `Command { std: "docker" "start" "-a" "c1a885b9b10542e6fb663f8b9b5837743d243ddb547173717a21171b0c6d4f44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1a885b9b10542e6fb663f8b9b5837743d243ddb547173717a21171b0c6d4f44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1a885b9b10542e6fb663f8b9b5837743d243ddb547173717a21171b0c6d4f44", kill_on_drop: false }` [INFO] [stdout] c1a885b9b10542e6fb663f8b9b5837743d243ddb547173717a21171b0c6d4f44 [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] 9484b375258ad4d1268104eac6ac0d5b124a44954380ad83213b3d744fbfb8a4 [INFO] running `Command { std: "docker" "start" "-a" "9484b375258ad4d1268104eac6ac0d5b124a44954380ad83213b3d744fbfb8a4", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking z3-sys v0.5.0 [INFO] [stderr] Checking day-1 v0.1.0 (/opt/rustwide/workdir/day-1) [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking z3 v0.4.0 [INFO] [stderr] Checking gnuplot v0.0.32 [INFO] [stderr] Checking day-3 v0.1.0 (/opt/rustwide/workdir/day-3) [INFO] [stderr] Checking day-4 v0.1.0 (/opt/rustwide/workdir/day-4) [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-4/src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 48 | .fold(ast::Int::from_i64(&ctx, 0), |ast, digit| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 49 | ast.mul(&[&ast::Int::from_i64(&ctx, 10)]).add(&[&digit]) [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] --> day-4/src/main.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 97 | .fold(ast::Int::from_i64(&ctx, 0), |ast, digit| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 98 | ast.mul(&[&ast::Int::from_i64(&ctx, 10)]).add(&[&digit]) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> day-4/src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 48 | .fold(ast::Int::from_i64(&ctx, 0), |ast, digit| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 49 | ast.mul(&[&ast::Int::from_i64(&ctx, 10)]).add(&[&digit]) [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] --> day-4/src/main.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 97 | .fold(ast::Int::from_i64(&ctx, 0), |ast, digit| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 98 | ast.mul(&[&ast::Int::from_i64(&ctx, 10)]).add(&[&digit]) [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: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> day-4/src/main.rs:106:24 [INFO] [stdout] | [INFO] [stdout] 106 | let solver = solver.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `z3::Solver<'_>` does not implement `Clone`, so calling `clone` on `&z3::Solver<'_>` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 106 - let solver = solver.clone(); [INFO] [stdout] 106 + let solver = solver; [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `z3::Solver<'_>`, implement `Clone` for it [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/z3-0.4.0/src/lib.rs:91:1 [INFO] [stdout] | [INFO] [stdout] 91 + #[derive(Clone)] [INFO] [stdout] 92 | pub struct Solver<'ctx> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> day-4/src/main.rs:106:24 [INFO] [stdout] | [INFO] [stdout] 106 | let solver = solver.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `z3::Solver<'_>` does not implement `Clone`, so calling `clone` on `&z3::Solver<'_>` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 106 - let solver = solver.clone(); [INFO] [stdout] 106 + let solver = solver; [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `z3::Solver<'_>`, implement `Clone` for it [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/z3-0.4.0/src/lib.rs:91:1 [INFO] [stdout] | [INFO] [stdout] 91 + #[derive(Clone)] [INFO] [stdout] 92 | pub struct Solver<'ctx> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `day-4` (bin "day-4") due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `day-4` (bin "day-4" test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "9484b375258ad4d1268104eac6ac0d5b124a44954380ad83213b3d744fbfb8a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9484b375258ad4d1268104eac6ac0d5b124a44954380ad83213b3d744fbfb8a4", kill_on_drop: false }` [INFO] [stdout] 9484b375258ad4d1268104eac6ac0d5b124a44954380ad83213b3d744fbfb8a4