[INFO] cloning repository https://github.com/wfraser/unicoder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wfraser/unicoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Funicoder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Funicoder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6757f74d8402f025619df283f24782f95fe78035 [INFO] building wfraser/unicoder against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Funicoder" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wfraser/unicoder on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wfraser/unicoder [INFO] finished tweaking git repo https://github.com/wfraser/unicoder [INFO] tweaked toml for git repo https://github.com/wfraser/unicoder written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/wfraser/unicoder 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ucd v0.1.1 [INFO] [stderr] Downloaded unicode_names2 v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c8747bc85f4e7dc45726cc0dc171e11ba4df1c195900bc29856230b4c0b8dd75 [INFO] running `Command { std: "docker" "start" "-a" "c8747bc85f4e7dc45726cc0dc171e11ba4df1c195900bc29856230b4c0b8dd75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8747bc85f4e7dc45726cc0dc171e11ba4df1c195900bc29856230b4c0b8dd75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8747bc85f4e7dc45726cc0dc171e11ba4df1c195900bc29856230b4c0b8dd75", kill_on_drop: false }` [INFO] [stdout] c8747bc85f4e7dc45726cc0dc171e11ba4df1c195900bc29856230b4c0b8dd75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9a1675b327cc3fee5bd32a3b4c80e82d951a2d5e44634b6be56f4917e752dae [INFO] running `Command { std: "docker" "start" "-a" "e9a1675b327cc3fee5bd32a3b4c80e82d951a2d5e44634b6be56f4917e752dae", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling ucd v0.1.1 [INFO] [stderr] Compiling unicode_names2 v0.4.0 [INFO] [stderr] Compiling tinyvec v1.2.0 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Compiling unicoder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/encodings/null.rs:18:34 [INFO] [stdout] | [INFO] [stdout] 18 | while let Some(result) = input.get_byte() { [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] | `result` calls a custom destructor [INFO] [stdout] | `result` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 23 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#1` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `result` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unicoder` (bin "unicoder") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "e9a1675b327cc3fee5bd32a3b4c80e82d951a2d5e44634b6be56f4917e752dae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9a1675b327cc3fee5bd32a3b4c80e82d951a2d5e44634b6be56f4917e752dae", kill_on_drop: false }` [INFO] [stdout] e9a1675b327cc3fee5bd32a3b4c80e82d951a2d5e44634b6be56f4917e752dae