[INFO] fetching crate sabre-lang 0.5.0... [INFO] checking sabre-lang-0.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate sabre-lang 0.5.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate sabre-lang 0.5.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sabre-lang 0.5.0 [INFO] finished tweaking crates.io crate sabre-lang 0.5.0 [INFO] tweaked toml for crates.io crate sabre-lang 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate sabre-lang 0.5.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 586b8eb78cc42813f4297520c4778299e8823ec6791eeb62829d3b0567ef79a2 [INFO] running `Command { std: "docker" "start" "-a" "586b8eb78cc42813f4297520c4778299e8823ec6791eeb62829d3b0567ef79a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "586b8eb78cc42813f4297520c4778299e8823ec6791eeb62829d3b0567ef79a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "586b8eb78cc42813f4297520c4778299e8823ec6791eeb62829d3b0567ef79a2", kill_on_drop: false }` [INFO] [stdout] 586b8eb78cc42813f4297520c4778299e8823ec6791eeb62829d3b0567ef79a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b868b0ead36e07cbd415a8fe5648c75e3bf006fad3ba60ebe886da2219e0515 [INFO] running `Command { std: "docker" "start" "-a" "6b868b0ead36e07cbd415a8fe5648c75e3bf006fad3ba60ebe886da2219e0515", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling rust-embed-utils v5.1.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling rust-embed-impl v5.7.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking rust-embed v5.7.0 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking sabre-lang v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parser/infer.rs:67:11 [INFO] [stdout] | [INFO] [stdout] 60 | let types: Vec> = elements [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 67 | match types.first().and_then(|ty| ty.to_owned()) { [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] warning: field `path` is never read [INFO] [stdout] --> src/ast/mod.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Module { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 29 | pub path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Module` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fields` is never read [INFO] [stdout] --> src/ast/mod.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 62 | pub struct StructDef { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 63 | pub name: String, [INFO] [stdout] 64 | pub fields: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StructDef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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 `sabre-lang` (bin "sabre") due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/parser/infer.rs:67:11 [INFO] [stdout] | [INFO] [stdout] 60 | let types: Vec> = elements [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 67 | match types.first().and_then(|ty| ty.to_owned()) { [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] warning: field `path` is never read [INFO] [stdout] --> src/ast/mod.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Module { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 29 | pub path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Module` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fields` is never read [INFO] [stdout] --> src/ast/mod.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 62 | pub struct StructDef { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 63 | pub name: String, [INFO] [stdout] 64 | pub fields: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StructDef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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 `sabre-lang` (bin "sabre" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6b868b0ead36e07cbd415a8fe5648c75e3bf006fad3ba60ebe886da2219e0515", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b868b0ead36e07cbd415a8fe5648c75e3bf006fad3ba60ebe886da2219e0515", kill_on_drop: false }` [INFO] [stdout] 6b868b0ead36e07cbd415a8fe5648c75e3bf006fad3ba60ebe886da2219e0515