[INFO] fetching crate the_heck 0.1.5... [INFO] checking the_heck-0.1.5 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate the_heck 0.1.5 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate the_heck 0.1.5 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 the_heck 0.1.5 [INFO] finished tweaking crates.io crate the_heck 0.1.5 [INFO] tweaked toml for crates.io crate the_heck 0.1.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate the_heck 0.1.5 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9b58f1c44ac4c84c3c30fd0a525ea65bfc8286f741cb7241e609a7e0d3c0e006 [INFO] running `Command { std: "docker" "start" "-a" "9b58f1c44ac4c84c3c30fd0a525ea65bfc8286f741cb7241e609a7e0d3c0e006", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b58f1c44ac4c84c3c30fd0a525ea65bfc8286f741cb7241e609a7e0d3c0e006", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b58f1c44ac4c84c3c30fd0a525ea65bfc8286f741cb7241e609a7e0d3c0e006", kill_on_drop: false }` [INFO] [stdout] 9b58f1c44ac4c84c3c30fd0a525ea65bfc8286f741cb7241e609a7e0d3c0e006 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a9a9029f0b6a66e4f2025a0c3706d1c2ff8f779d0c418d86ddea00a720ffab00 [INFO] running `Command { std: "docker" "start" "-a" "a9a9029f0b6a66e4f2025a0c3706d1c2ff8f779d0c418d86ddea00a720ffab00", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling fst v0.4.7 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking shell-words v1.1.0 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking zeroize v1.5.7 [INFO] [stderr] Checking home v0.5.4 [INFO] [stderr] Checking rev_buf_reader v0.3.0 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking console v0.15.5 [INFO] [stderr] Checking dialoguer v0.10.3 [INFO] [stderr] Checking the_heck v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `fixed_command` is never read [INFO] [stdout] --> src/lib.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut fixed_command = vec!["If you see this, that's bad".to_string()]; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `fixed_command` is never read [INFO] [stdout] --> src/lib.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut fixed_command = vec!["If you see this, that's bad".to_string()]; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `full_command` is never read [INFO] [stdout] --> src/lib.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut full_command = vec!["First arg", "Second arg"]; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `full_command` is never read [INFO] [stdout] --> src/lib.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut full_command = vec!["First arg", "Second arg"]; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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/shell_history.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 90 | let file = File::open(histfile_path).expect("Could not open .histfile."); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 91 | let reader = RevBufReader::new(file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 92 | / reader [INFO] [stdout] 93 | | .lines() [INFO] [stdout] 94 | | .next() [INFO] [stdout] 95 | | .expect("Cannot find last line in .histfile") [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `the_heck` (bin "heck") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/shell_history.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 90 | let file = File::open(histfile_path).expect("Could not open .histfile."); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 91 | let reader = RevBufReader::new(file); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 92 | / reader [INFO] [stdout] 93 | | .lines() [INFO] [stdout] 94 | | .next() [INFO] [stdout] 95 | | .expect("Cannot find last line in .histfile") [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `the_heck` (bin "heck" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "a9a9029f0b6a66e4f2025a0c3706d1c2ff8f779d0c418d86ddea00a720ffab00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9a9029f0b6a66e4f2025a0c3706d1c2ff8f779d0c418d86ddea00a720ffab00", kill_on_drop: false }` [INFO] [stdout] a9a9029f0b6a66e4f2025a0c3706d1c2ff8f779d0c418d86ddea00a720ffab00