[INFO] cloning repository https://github.com/Kerollmops/chunk-json-lite [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kerollmops/chunk-json-lite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Fchunk-json-lite", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Fchunk-json-lite'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a5e0d6115a2c80c256b4250eb8eb43d2ffd57aae [INFO] checking Kerollmops/chunk-json-lite/a5e0d6115a2c80c256b4250eb8eb43d2ffd57aae 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%2FKerollmops%2Fchunk-json-lite" "/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/Kerollmops/chunk-json-lite 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/Kerollmops/chunk-json-lite [INFO] finished tweaking git repo https://github.com/Kerollmops/chunk-json-lite [INFO] tweaked toml for git repo https://github.com/Kerollmops/chunk-json-lite written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Kerollmops/chunk-json-lite 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] 18042b76e14e36d64a482a3a89d98f60f17bff0bda92f7918ff9cdc72e5aba35 [INFO] running `Command { std: "docker" "start" "-a" "18042b76e14e36d64a482a3a89d98f60f17bff0bda92f7918ff9cdc72e5aba35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18042b76e14e36d64a482a3a89d98f60f17bff0bda92f7918ff9cdc72e5aba35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18042b76e14e36d64a482a3a89d98f60f17bff0bda92f7918ff9cdc72e5aba35", kill_on_drop: false }` [INFO] [stdout] 18042b76e14e36d64a482a3a89d98f60f17bff0bda92f7918ff9cdc72e5aba35 [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] ae52167e44b79879d9f1341080344f03b4340bc07a08ec476337ac24dd1a9485 [INFO] running `Command { std: "docker" "start" "-a" "ae52167e44b79879d9f1341080344f03b4340bc07a08ec476337ac24dd1a9485", kill_on_drop: false }` [INFO] [stderr] Checking json v0.12.0 [INFO] [stderr] Checking count-write v0.1.0 [INFO] [stderr] Checking human-size v0.4.0 [INFO] [stderr] Checking main_error v0.1.0 [INFO] [stderr] Checking chunk-json-lite v0.1.0 (/opt/rustwide/workdir) [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/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 11 | let file = fs::File::create(&filename)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | println!("created {}", filename); [INFO] [stdout] 13 | let writer = BufWriter::new(file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 14 | Ok(CountWrite::from(writer)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 11 | let file = fs::File::create(&filename)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | println!("created {}", filename); [INFO] [stdout] 13 | let writer = BufWriter::new(file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 14 | Ok(CountWrite::from(writer)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | mem::replace(&mut writer, new); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = mem::replace(&mut writer, new); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `chunk-json-lite` (bin "chunk-json-lite" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | mem::replace(&mut writer, new); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = mem::replace(&mut writer, new); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `chunk-json-lite` (bin "chunk-json-lite") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "ae52167e44b79879d9f1341080344f03b4340bc07a08ec476337ac24dd1a9485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae52167e44b79879d9f1341080344f03b4340bc07a08ec476337ac24dd1a9485", kill_on_drop: false }` [INFO] [stdout] ae52167e44b79879d9f1341080344f03b4340bc07a08ec476337ac24dd1a9485