[INFO] cloning repository https://github.com/Pizzascripters/abstract-algebra [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pizzascripters/abstract-algebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPizzascripters%2Fabstract-algebra", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPizzascripters%2Fabstract-algebra'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7663b6781a80316743bf0a434497b531f3ef4bb7 [INFO] checking Pizzascripters/abstract-algebra/7663b6781a80316743bf0a434497b531f3ef4bb7 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%2FPizzascripters%2Fabstract-algebra" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Pizzascripters/abstract-algebra 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/Pizzascripters/abstract-algebra [INFO] finished tweaking git repo https://github.com/Pizzascripters/abstract-algebra [INFO] tweaked toml for git repo https://github.com/Pizzascripters/abstract-algebra written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Pizzascripters/abstract-algebra 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-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] 352832373f447236237957aa4e374b46f5be887d8563e44313f79b89cda5fbd1 [INFO] running `Command { std: "docker" "start" "-a" "352832373f447236237957aa4e374b46f5be887d8563e44313f79b89cda5fbd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "352832373f447236237957aa4e374b46f5be887d8563e44313f79b89cda5fbd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "352832373f447236237957aa4e374b46f5be887d8563e44313f79b89cda5fbd1", kill_on_drop: false }` [INFO] [stdout] 352832373f447236237957aa4e374b46f5be887d8563e44313f79b89cda5fbd1 [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] b02f06335d82c401214a47a145802d25c540eb5c08e064d053fb8651da319a22 [INFO] running `Command { std: "docker" "start" "-a" "b02f06335d82c401214a47a145802d25c540eb5c08e064d053fb8651da319a22", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking os_str_bytes v6.0.1 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking abstract-algebra v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `identity` is never used [INFO] [stdout] --> src/group/group.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait Group { [INFO] [stdout] | ----- method in this trait [INFO] [stdout] ... [INFO] [stdout] 9 | fn identity(&self) -> G; [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/cli/mod.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 26 | let cmd = Command::new("abstract-algebra") [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | Context::from(cmd.get_matches()) [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] warning: method `identity` is never used [INFO] [stdout] --> src/group/group.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait Group { [INFO] [stdout] | ----- method in this trait [INFO] [stdout] ... [INFO] [stdout] 9 | fn identity(&self) -> G; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning 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/cli/mod.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 26 | let cmd = Command::new("abstract-algebra") [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | Context::from(cmd.get_matches()) [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 `abstract-algebra` (bin "abstract-algebra" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `abstract-algebra` (bin "abstract-algebra") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "b02f06335d82c401214a47a145802d25c540eb5c08e064d053fb8651da319a22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b02f06335d82c401214a47a145802d25c540eb5c08e064d053fb8651da319a22", kill_on_drop: false }` [INFO] [stdout] b02f06335d82c401214a47a145802d25c540eb5c08e064d053fb8651da319a22