[INFO] fetching crate texlang-stdlib 0.1.0... [INFO] checking texlang-stdlib-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate texlang-stdlib 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate texlang-stdlib 0.1.0 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 texlang-stdlib 0.1.0 [INFO] finished tweaking crates.io crate texlang-stdlib 0.1.0 [INFO] tweaked toml for crates.io crate texlang-stdlib 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate texlang-stdlib 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c7e2d9652bb073f0132afffd152fc6f57247e70ad797add84c88fe1a64d1620c [INFO] running `Command { std: "docker" "start" "-a" "c7e2d9652bb073f0132afffd152fc6f57247e70ad797add84c88fe1a64d1620c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7e2d9652bb073f0132afffd152fc6f57247e70ad797add84c88fe1a64d1620c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7e2d9652bb073f0132afffd152fc6f57247e70ad797add84c88fe1a64d1620c", kill_on_drop: false }` [INFO] [stdout] c7e2d9652bb073f0132afffd152fc6f57247e70ad797add84c88fe1a64d1620c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 04dec0a878922a2a51a48398b944b19305d0bf03222d5faac49cb65c7eb1ca37 [INFO] running `Command { std: "docker" "start" "-a" "04dec0a878922a2a51a48398b944b19305d0bf03222d5faac49cb65c7eb1ca37", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking texcraft-stdext v0.1.0 [INFO] [stderr] Checking texlang v0.1.0 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Checking texlang-stdlib v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `collections::HashMap` and `ffi::OsString` [INFO] [stdout] --> src/job.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | collections::HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 3 | ffi::OsString, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::script` [INFO] [stdout] --> src/repl.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::script; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/repl.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `collections::HashMap` and `ffi::OsString` [INFO] [stdout] --> src/job.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | collections::HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 3 | ffi::OsString, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::script` [INFO] [stdout] --> src/repl.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::script; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/repl.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `RefMut<'_, dyn std::io::Write>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/repl.rs:128:28 [INFO] [stdout] | [INFO] [stdout] 128 | match writeln![input.vm().terminal.borrow_mut(), "{help}"] { [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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: this value of type `RefMut<'_, dyn std::io::Write>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/repl.rs:156:28 [INFO] [stdout] | [INFO] [stdout] 156 | match writeln![input.vm().terminal.borrow_mut(), "{doc}"] { [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/script.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let mut c = state.component_mut(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/script.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut c = state.component_mut(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/script.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | let mut c = state.component_mut(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/testing.rs:183:65 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn run_serde_test(_: &str, _: &str, _: &[TestOption], format: SerdeFormat) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `num_dumps` is never read [INFO] [stdout] --> src/job.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Component { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | num_dumps: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `texlang-stdlib` (lib) due to 3 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `RefMut<'_, dyn std::io::Write>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/repl.rs:128:28 [INFO] [stdout] | [INFO] [stdout] 128 | match writeln![input.vm().terminal.borrow_mut(), "{help}"] { [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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: this value of type `RefMut<'_, dyn std::io::Write>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/repl.rs:156:28 [INFO] [stdout] | [INFO] [stdout] 156 | match writeln![input.vm().terminal.borrow_mut(), "{doc}"] { [INFO] [stdout] | ---------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/script.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let mut c = state.component_mut(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/script.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut c = state.component_mut(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/script.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | let mut c = state.component_mut(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `format` [INFO] [stdout] --> src/testing.rs:183:65 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn run_serde_test(_: &str, _: &str, _: &[TestOption], format: SerdeFormat) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `num_dumps` is never read [INFO] [stdout] --> src/job.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Component { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | num_dumps: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `texlang-stdlib` (lib test) due to 3 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "04dec0a878922a2a51a48398b944b19305d0bf03222d5faac49cb65c7eb1ca37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04dec0a878922a2a51a48398b944b19305d0bf03222d5faac49cb65c7eb1ca37", kill_on_drop: false }` [INFO] [stdout] 04dec0a878922a2a51a48398b944b19305d0bf03222d5faac49cb65c7eb1ca37