[INFO] fetching crate standard_library 0.1.0... [INFO] checking standard_library-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate standard_library 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate standard_library 0.1.0 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 crates.io crate standard_library 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate standard_library 0.1.0 [INFO] tweaked toml for crates.io crate standard_library 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate standard_library 0.1.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.plugin [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] 453d4518d17ced78a755e79647bc70b3319f21a5cbebbb0bb4c3ee7f2820287e [INFO] running `Command { std: "docker" "start" "-a" "453d4518d17ced78a755e79647bc70b3319f21a5cbebbb0bb4c3ee7f2820287e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "453d4518d17ced78a755e79647bc70b3319f21a5cbebbb0bb4c3ee7f2820287e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "453d4518d17ced78a755e79647bc70b3319f21a5cbebbb0bb4c3ee7f2820287e", kill_on_drop: false }` [INFO] [stdout] 453d4518d17ced78a755e79647bc70b3319f21a5cbebbb0bb4c3ee7f2820287e [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] d8a562f8f8abfb70195fcc13872af126ce1ef7e3e0f7d8f76745bda8804765f6 [INFO] running `Command { std: "docker" "start" "-a" "d8a562f8f8abfb70195fcc13872af126ce1ef7e3e0f7d8f76745bda8804765f6", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.plugin [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling smallvec v1.13.1 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling indexmap v2.2.5 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling regex-automata v0.4.5 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling ena v0.14.2 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling petgraph v0.6.4 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling is-terminal v0.4.12 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling rustix v0.38.31 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Compiling anyhow v1.0.80 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking rayon v1.9.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking half v2.4.0 [INFO] [stderr] Compiling substring v1.4.5 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Compiling regex v1.10.3 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling lalrpop-util v0.19.12 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Compiling lalrpop v0.19.12 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking positioned-io v0.3.3 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking memmap2 v0.5.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking arrayref v0.3.7 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking clap v4.5.3 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking assert-type-eq v0.1.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Compiling logos-derive v0.12.1 [INFO] [stderr] Checking logos v0.12.1 [INFO] [stderr] Checking merkletree v0.23.0 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Compiling env-file-reader v0.3.0 [INFO] [stderr] Checking standard_library v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `T` is never used [INFO] [stdout] --> src/bug/mod.rs:31:7 [INFO] [stdout] | [INFO] [stdout] 31 | trait T {} [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/ipfs/mod.rs:29:11 [INFO] [stdout] | [INFO] [stdout] 22 | let file: Result = match File::open(path) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | Ok(file) => Ok(file), [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | Err(e) => return Err(e), [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 29 | match file.unwrap().read_to_string(&mut content) { [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] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `standard_library` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait `T` is never used [INFO] [stdout] --> src/bug/mod.rs:31:7 [INFO] [stdout] | [INFO] [stdout] 31 | trait T {} [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/ipfs/mod.rs:29:11 [INFO] [stdout] | [INFO] [stdout] 22 | let file: Result = match File::open(path) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 23 | Ok(file) => Ok(file), [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | Err(e) => return Err(e), [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 29 | match file.unwrap().read_to_string(&mut content) { [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] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `standard_library` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "d8a562f8f8abfb70195fcc13872af126ce1ef7e3e0f7d8f76745bda8804765f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8a562f8f8abfb70195fcc13872af126ce1ef7e3e0f7d8f76745bda8804765f6", kill_on_drop: false }` [INFO] [stdout] d8a562f8f8abfb70195fcc13872af126ce1ef7e3e0f7d8f76745bda8804765f6