[INFO] cloning repository https://github.com/B3nac/whatislife_enum [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/B3nac/whatislife_enum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FB3nac%2Fwhatislife_enum", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FB3nac%2Fwhatislife_enum'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1415b2dc03f0fc8d0403ba9130bb523509942e1d [INFO] building B3nac/whatislife_enum 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%2FB3nac%2Fwhatislife_enum" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/B3nac/whatislife_enum 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] removed /workspace/builds/worker-3-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/B3nac/whatislife_enum [INFO] finished tweaking git repo https://github.com/B3nac/whatislife_enum [INFO] tweaked toml for git repo https://github.com/B3nac/whatislife_enum written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/B3nac/whatislife_enum 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 file_diff v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 04e4a5ae990727824a01ea13dad8a1ad937285ff54b6fae3426c8a4225f569a5 [INFO] running `Command { std: "docker" "start" "-a" "04e4a5ae990727824a01ea13dad8a1ad937285ff54b6fae3426c8a4225f569a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04e4a5ae990727824a01ea13dad8a1ad937285ff54b6fae3426c8a4225f569a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04e4a5ae990727824a01ea13dad8a1ad937285ff54b6fae3426c8a4225f569a5", kill_on_drop: false }` [INFO] [stdout] 04e4a5ae990727824a01ea13dad8a1ad937285ff54b6fae3426c8a4225f569a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7cd04a947e314e9b91a5c97fd4340040416a711914dd0f590b5ef751e54b4b20 [INFO] running `Command { std: "docker" "start" "-a" "7cd04a947e314e9b91a5c97fd4340040416a711914dd0f590b5ef751e54b4b20", kill_on_drop: false }` [INFO] [stderr] Compiling file_diff v1.0.0 [INFO] [stderr] Compiling whatislife_enum v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0635]: unknown feature `option_result_contains` [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(option_result_contains)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/main.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 30 | match read_dir.next() { [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] 31 | Some(Ok(entry)) => { [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | `entry` calls a custom destructor [INFO] [stdout] | `entry` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 47 | } [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` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/alloc/src/ffi/c_str.rs:694:1 [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/sys/pal/unix/fs.rs:857:1 [INFO] [stdout] note: `entry` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/alloc/src/ffi/c_str.rs:694:1 [INFO] [stdout] note: `entry` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/sys/pal/unix/fs.rs:857:1 [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] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `whatislife_enum` (bin "whatislife_enum") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "7cd04a947e314e9b91a5c97fd4340040416a711914dd0f590b5ef751e54b4b20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cd04a947e314e9b91a5c97fd4340040416a711914dd0f590b5ef751e54b4b20", kill_on_drop: false }` [INFO] [stdout] 7cd04a947e314e9b91a5c97fd4340040416a711914dd0f590b5ef751e54b4b20