[INFO] cloning repository https://github.com/clear-crab/book [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clear-crab/book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclear-crab%2Fbook", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclear-crab%2Fbook'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 65e6ace7b927ff04d6799b2dfb5eea52a907c531 [INFO] checking clear-crab/book/65e6ace7b927ff04d6799b2dfb5eea52a907c531 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclear-crab%2Fbook" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/clear-crab/book 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] removed /workspace/builds/worker-3-tc2/source/.cargo/config [INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/clear-crab/book [INFO] finished tweaking git repo https://github.com/clear-crab/book [INFO] tweaked toml for git repo https://github.com/clear-crab/book written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/clear-crab/book 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] 83bcb9b8779b75f9a250f593b9ed335ec645c833964b39802621510909aef707 [INFO] running `Command { std: "docker" "start" "-a" "83bcb9b8779b75f9a250f593b9ed335ec645c833964b39802621510909aef707", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83bcb9b8779b75f9a250f593b9ed335ec645c833964b39802621510909aef707", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83bcb9b8779b75f9a250f593b9ed335ec645c833964b39802621510909aef707", kill_on_drop: false }` [INFO] [stdout] 83bcb9b8779b75f9a250f593b9ed335ec645c833964b39802621510909aef707 [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] bca441803654ede81d53eb1b5c0812adf403acfd9695b2751179e94a941a835b [INFO] running `Command { std: "docker" "start" "-a" "bca441803654ede81d53eb1b5c0812adf403acfd9695b2751179e94a941a835b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking xattr v0.2.3 [INFO] [stderr] Checking filetime v0.2.16 [INFO] [stderr] Checking tar v0.4.38 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking serde v1.0.137 [INFO] [stderr] Checking docopt v1.1.1 [INFO] [stderr] Checking rust-book v0.0.1 (/opt/rustwide/workdir) [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] --> tools/src/bin/concat_chapters.rs:23:35 [INFO] [stdout] | [INFO] [stdout] 23 | .map(|&(expr, repl)| (Regex::new(expr).unwrap(), repl)) [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 `rust-book` (bin "concat_chapters" test) 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] --> tools/src/bin/concat_chapters.rs:23:35 [INFO] [stdout] | [INFO] [stdout] 23 | .map(|&(expr, repl)| (Regex::new(expr).unwrap(), repl)) [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 `rust-book` (bin "concat_chapters") due to 2 previous errors [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] --> tools/src/bin/lfp.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 81 | fn lint_lines(lines: I) -> Vec [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 85 | / lines [INFO] [stdout] 86 | | .enumerate() [INFO] [stdout] 87 | | .map(|(line_num, line)| { [INFO] [stdout] 88 | | let raw_line = line.unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 95 | | .filter(|result| result.is_err()) [INFO] [stdout] 96 | | .map(|result| result.unwrap_err()) [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 `rust-book` (bin "lfp") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "bca441803654ede81d53eb1b5c0812adf403acfd9695b2751179e94a941a835b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bca441803654ede81d53eb1b5c0812adf403acfd9695b2751179e94a941a835b", kill_on_drop: false }` [INFO] [stdout] bca441803654ede81d53eb1b5c0812adf403acfd9695b2751179e94a941a835b