[INFO] cloning repository https://github.com/dbofmmbt/exam [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbofmmbt/exam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbofmmbt%2Fexam", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbofmmbt%2Fexam'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d308e61f5a92da3e0f54213ff4558e5b969a4ad7 [INFO] checking dbofmmbt/exam/d308e61f5a92da3e0f54213ff4558e5b969a4ad7 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%2Fdbofmmbt%2Fexam" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dbofmmbt/exam 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/dbofmmbt/exam [INFO] finished tweaking git repo https://github.com/dbofmmbt/exam [INFO] tweaked toml for git repo https://github.com/dbofmmbt/exam written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dbofmmbt/exam 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 310bb87d928a34f3c606c15f1cb2ab775414ee8bbd8a3c9694690d8e192c92a2 [INFO] running `Command { std: "docker" "start" "-a" "310bb87d928a34f3c606c15f1cb2ab775414ee8bbd8a3c9694690d8e192c92a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "310bb87d928a34f3c606c15f1cb2ab775414ee8bbd8a3c9694690d8e192c92a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "310bb87d928a34f3c606c15f1cb2ab775414ee8bbd8a3c9694690d8e192c92a2", kill_on_drop: false }` [INFO] [stdout] 310bb87d928a34f3c606c15f1cb2ab775414ee8bbd8a3c9694690d8e192c92a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 91e488f06a4fb015339f961ef72b84644394cdaf95813f398d6cfbd54a1b0aee [INFO] running `Command { std: "docker" "start" "-a" "91e488f06a4fb015339f961ef72b84644394cdaf95813f398d6cfbd54a1b0aee", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.94 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking exam v0.0.3 (/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] --> src/lib.rs:79:14 [INFO] [stdout] | [INFO] [stdout] 78 | self.map.remove(&TypeId::of::()).map(|exam| { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 79 | *exam [INFO] [stdout] | ______________^ [INFO] [stdout] 80 | | .downcast::() [INFO] [stdout] 81 | | .map_err(|_| panic!("This downcast shouldn't fail")) [INFO] [stdout] 82 | | .unwrap() [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/exams.rs:16:16 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_io_err(error: std::io::Error) -> ExamFailure { [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | ExamFailure { [INFO] [stdout] 16 | error: error.into(), [INFO] [stdout] | ^^^^^^^^^^^^ [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] 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/exams.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 21 | fn from_output(error: E, output: Output) -> ExamFailure { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 22 | ExamFailure { [INFO] [stdout] 23 | error: error.into(), [INFO] [stdout] | ^^^^^^^^^^^^ [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] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `exam` (lib) due to 4 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/lib.rs:79:14 [INFO] [stdout] | [INFO] [stdout] 78 | self.map.remove(&TypeId::of::()).map(|exam| { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 79 | *exam [INFO] [stdout] | ______________^ [INFO] [stdout] 80 | | .downcast::() [INFO] [stdout] 81 | | .map_err(|_| panic!("This downcast shouldn't fail")) [INFO] [stdout] 82 | | .unwrap() [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/exams.rs:16:16 [INFO] [stdout] | [INFO] [stdout] 14 | fn from_io_err(error: std::io::Error) -> ExamFailure { [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | ExamFailure { [INFO] [stdout] 16 | error: error.into(), [INFO] [stdout] | ^^^^^^^^^^^^ [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] 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/exams.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 21 | fn from_output(error: E, output: Output) -> ExamFailure { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 22 | ExamFailure { [INFO] [stdout] 23 | error: error.into(), [INFO] [stdout] | ^^^^^^^^^^^^ [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] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `exam` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "91e488f06a4fb015339f961ef72b84644394cdaf95813f398d6cfbd54a1b0aee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91e488f06a4fb015339f961ef72b84644394cdaf95813f398d6cfbd54a1b0aee", kill_on_drop: false }` [INFO] [stdout] 91e488f06a4fb015339f961ef72b84644394cdaf95813f398d6cfbd54a1b0aee