[INFO] fetching crate fs-tail 0.1.4...
[INFO] checking fs-tail-0.1.4 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate fs-tail 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fs-tail 0.1.4 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fs-tail 0.1.4
[INFO] finished tweaking crates.io crate fs-tail 0.1.4
[INFO] tweaked toml for crates.io crate fs-tail 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] effcc10e2d9c7113f38472ff2dc80c57daa6e29a918b415c8960bd4c124f4dc1
[INFO] running `Command { std: "docker" "start" "-a" "effcc10e2d9c7113f38472ff2dc80c57daa6e29a918b415c8960bd4c124f4dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "effcc10e2d9c7113f38472ff2dc80c57daa6e29a918b415c8960bd4c124f4dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effcc10e2d9c7113f38472ff2dc80c57daa6e29a918b415c8960bd4c124f4dc1", kill_on_drop: false }`
[INFO] [stdout] effcc10e2d9c7113f38472ff2dc80c57daa6e29a918b415c8960bd4c124f4dc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b587868c05d75261c7dd7d74c382096b6dd61459648a865bc8373fb0a307d1e9
[INFO] running `Command { std: "docker" "start" "-a" "b587868c05d75261c7dd7d74c382096b6dd61459648a865bc8373fb0a307d1e9", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking fs-tail v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "b587868c05d75261c7dd7d74c382096b6dd61459648a865bc8373fb0a307d1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b587868c05d75261c7dd7d74c382096b6dd61459648a865bc8373fb0a307d1e9", kill_on_drop: false }`
[INFO] [stdout] b587868c05d75261c7dd7d74c382096b6dd61459648a865bc8373fb0a307d1e9
[INFO] checking fs-tail-0.1.4 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate fs-tail 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fs-tail 0.1.4 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fs-tail 0.1.4
[INFO] finished tweaking crates.io crate fs-tail 0.1.4
[INFO] tweaked toml for crates.io crate fs-tail 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60111b35b424e375e8bb23b1b6d253ff94bcbf4fe9fa410ddf0faaddf059256b
[INFO] running `Command { std: "docker" "start" "-a" "60111b35b424e375e8bb23b1b6d253ff94bcbf4fe9fa410ddf0faaddf059256b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60111b35b424e375e8bb23b1b6d253ff94bcbf4fe9fa410ddf0faaddf059256b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60111b35b424e375e8bb23b1b6d253ff94bcbf4fe9fa410ddf0faaddf059256b", kill_on_drop: false }`
[INFO] [stdout] 60111b35b424e375e8bb23b1b6d253ff94bcbf4fe9fa410ddf0faaddf059256b
[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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6df73f3f3ddfec7794c11845c1824588a4f72481075029d1c925caa45a92105c
[INFO] running `Command { std: "docker" "start" "-a" "6df73f3f3ddfec7794c11845c1824588a4f72481075029d1c925caa45a92105c", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking fs-tail v0.1.4 (/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/lib.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(mut file: File) -> Self {
[INFO] [stdout]    |                -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |         let _ = file.seek(SeekFrom::End(0));
[INFO] [stdout] 22 |         let a  = BufReader::new(file);
[INFO] [stdout]    |             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 23 |         TailedFile {
[INFO] [stdout] 24 |             inner: Arc::new(Mutex::new(BufReader::with_capacity(10000, Maybe::Real(TailedFileRaw(a)))))
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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:24:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(mut file: File) -> Self {
[INFO] [stdout]    |                -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |         let _ = file.seek(SeekFrom::End(0));
[INFO] [stdout] 22 |         let a  = BufReader::new(file);
[INFO] [stdout]    |             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 23 |         TailedFile {
[INFO] [stdout] 24 |             inner: Arc::new(Mutex::new(BufReader::with_capacity(10000, Maybe::Real(TailedFileRaw(a)))))
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fs-tail` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fs-tail` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6df73f3f3ddfec7794c11845c1824588a4f72481075029d1c925caa45a92105c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df73f3f3ddfec7794c11845c1824588a4f72481075029d1c925caa45a92105c", kill_on_drop: false }`
[INFO] [stdout] 6df73f3f3ddfec7794c11845c1824588a4f72481075029d1c925caa45a92105c