[INFO] cloning repository https://github.com/albreax/rust-challenges [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/albreax/rust-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbreax%2Frust-challenges", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbreax%2Frust-challenges'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 336556e6a490345ca49f81de51408cb33c1c18f5 [INFO] checking albreax/rust-challenges/336556e6a490345ca49f81de51408cb33c1c18f5 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%2Falbreax%2Frust-challenges" "/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/albreax/rust-challenges 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/albreax/rust-challenges [INFO] finished tweaking git repo https://github.com/albreax/rust-challenges [INFO] tweaked toml for git repo https://github.com/albreax/rust-challenges written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/albreax/rust-challenges 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] cc151703c6b7ff145b0908cf32b3955022a57d7891d853f41471a360adb8577a [INFO] running `Command { std: "docker" "start" "-a" "cc151703c6b7ff145b0908cf32b3955022a57d7891d853f41471a360adb8577a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc151703c6b7ff145b0908cf32b3955022a57d7891d853f41471a360adb8577a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc151703c6b7ff145b0908cf32b3955022a57d7891d853f41471a360adb8577a", kill_on_drop: false }` [INFO] [stdout] cc151703c6b7ff145b0908cf32b3955022a57d7891d853f41471a360adb8577a [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] 06b2bde79228dd3e30485e107e4fc4ae25c75d68ab209bacc240d3d895b3f36e [INFO] running `Command { std: "docker" "start" "-a" "06b2bde79228dd3e30485e107e4fc4ae25c75d68ab209bacc240d3d895b3f36e", kill_on_drop: false }` [INFO] [stderr] Checking rust-challenges v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufRead` and `BufReader` [INFO] [stdout] --> src/adventofcode/day1.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufRead, BufReader}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead` and `BufReader` [INFO] [stdout] --> src/adventofcode/day1.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufRead, BufReader}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day1` is never used [INFO] [stdout] --> src/adventofcode/day1.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn day1() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_line` is never used [INFO] [stdout] --> src/adventofcode/day1.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn process_line(lines: &Vec) -> Vec { [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/adventofcode/utils.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 5 | let file = File::open(filename).unwrap(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 6 | let reader = BufReader::new(file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | reader.lines().map(|l| l.unwrap()).collect() [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; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-challenges` (bin "rust-challenges") due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `day1` is never used [INFO] [stdout] --> src/adventofcode/day1.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn day1() { [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/adventofcode/utils.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 5 | let file = File::open(filename).unwrap(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 6 | let reader = BufReader::new(file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 7 | reader.lines().map(|l| l.unwrap()).collect() [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 `rust-challenges` (bin "rust-challenges" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "06b2bde79228dd3e30485e107e4fc4ae25c75d68ab209bacc240d3d895b3f36e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06b2bde79228dd3e30485e107e4fc4ae25c75d68ab209bacc240d3d895b3f36e", kill_on_drop: false }` [INFO] [stdout] 06b2bde79228dd3e30485e107e4fc4ae25c75d68ab209bacc240d3d895b3f36e