[INFO] cloning repository https://github.com/KermitPurple/basic_lisp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KermitPurple/basic_lisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKermitPurple%2Fbasic_lisp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKermitPurple%2Fbasic_lisp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] efc38aa0293f4b75a7e67f3137b4a61b2a216b4a [INFO] checking KermitPurple/basic_lisp/efc38aa0293f4b75a7e67f3137b4a61b2a216b4a 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%2FKermitPurple%2Fbasic_lisp" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KermitPurple/basic_lisp 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 git repo https://github.com/KermitPurple/basic_lisp [INFO] finished tweaking git repo https://github.com/KermitPurple/basic_lisp [INFO] tweaked toml for git repo https://github.com/KermitPurple/basic_lisp written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/KermitPurple/basic_lisp 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c2b0ccf4afbc787fb96fe64857c248cde33318e37e23887c2f3a9744cd67cfd [INFO] running `Command { std: "docker" "start" "-a" "3c2b0ccf4afbc787fb96fe64857c248cde33318e37e23887c2f3a9744cd67cfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c2b0ccf4afbc787fb96fe64857c248cde33318e37e23887c2f3a9744cd67cfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c2b0ccf4afbc787fb96fe64857c248cde33318e37e23887c2f3a9744cd67cfd", kill_on_drop: false }` [INFO] [stdout] 3c2b0ccf4afbc787fb96fe64857c248cde33318e37e23887c2f3a9744cd67cfd [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b8fea532c9f50fd011393d8efc6a7470bc9481fd2a78b8ef4a7234f14c9c033 [INFO] running `Command { std: "docker" "start" "-a" "6b8fea532c9f50fd011393d8efc6a7470bc9481fd2a78b8ef4a7234f14c9c033", kill_on_drop: false }` [INFO] [stderr] Checking basic_lisp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `from_str` is never used [INFO] [stdout] --> src/main.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl TokenIterator { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 25 | fn from_str(s: &'static str) -> Self { [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/main.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 31 | fn from(iter: T) -> Self { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 32 | Self { [INFO] [stdout] 33 | it: Box::new(iter.chain([b' '])), [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 `basic_lisp` (bin "basic_lisp") due to 2 previous errors; 1 warning emitted [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/main.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 31 | fn from(iter: T) -> Self { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 32 | Self { [INFO] [stdout] 33 | it: Box::new(iter.chain([b' '])), [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 `basic_lisp` (bin "basic_lisp" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "6b8fea532c9f50fd011393d8efc6a7470bc9481fd2a78b8ef4a7234f14c9c033", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b8fea532c9f50fd011393d8efc6a7470bc9481fd2a78b8ef4a7234f14c9c033", kill_on_drop: false }` [INFO] [stdout] 6b8fea532c9f50fd011393d8efc6a7470bc9481fd2a78b8ef4a7234f14c9c033