[INFO] cloning repository https://github.com/shterrett/rust-lru-cache [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shterrett/rust-lru-cache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshterrett%2Frust-lru-cache", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshterrett%2Frust-lru-cache'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce2654d9d3c249dd8b55b6bfe96b56e5b0cfb8ec [INFO] checking shterrett/rust-lru-cache against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshterrett%2Frust-lru-cache" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shterrett/rust-lru-cache on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shterrett/rust-lru-cache [INFO] finished tweaking git repo https://github.com/shterrett/rust-lru-cache [INFO] tweaked toml for git repo https://github.com/shterrett/rust-lru-cache written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shterrett/rust-lru-cache 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a63b0727122a639201b64d6ee9b02b854a702acf5f775ac896590b1c689b6f2 [INFO] running `Command { std: "docker" "start" "-a" "2a63b0727122a639201b64d6ee9b02b854a702acf5f775ac896590b1c689b6f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a63b0727122a639201b64d6ee9b02b854a702acf5f775ac896590b1c689b6f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a63b0727122a639201b64d6ee9b02b854a702acf5f775ac896590b1c689b6f2", kill_on_drop: false }` [INFO] [stdout] 2a63b0727122a639201b64d6ee9b02b854a702acf5f775ac896590b1c689b6f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9481ddd93637760db467a6ea7f155e01093c4dfe345a7bee6e7d03eb8f0e0e30 [INFO] running `Command { std: "docker" "start" "-a" "9481ddd93637760db467a6ea7f155e01093c4dfe345a7bee6e7d03eb8f0e0e30", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking lru-cache v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "9481ddd93637760db467a6ea7f155e01093c4dfe345a7bee6e7d03eb8f0e0e30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9481ddd93637760db467a6ea7f155e01093c4dfe345a7bee6e7d03eb8f0e0e30", kill_on_drop: false }` [INFO] [stdout] 9481ddd93637760db467a6ea7f155e01093c4dfe345a7bee6e7d03eb8f0e0e30 [INFO] checking shterrett/rust-lru-cache against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshterrett%2Frust-lru-cache" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shterrett/rust-lru-cache on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shterrett/rust-lru-cache [INFO] finished tweaking git repo https://github.com/shterrett/rust-lru-cache [INFO] tweaked toml for git repo https://github.com/shterrett/rust-lru-cache written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/shterrett/rust-lru-cache 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b796c8d34cd3ddf61a8caef77786c85ba6710e53bf3f9554f90c6f24b820c3f [INFO] running `Command { std: "docker" "start" "-a" "2b796c8d34cd3ddf61a8caef77786c85ba6710e53bf3f9554f90c6f24b820c3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b796c8d34cd3ddf61a8caef77786c85ba6710e53bf3f9554f90c6f24b820c3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b796c8d34cd3ddf61a8caef77786c85ba6710e53bf3f9554f90c6f24b820c3f", kill_on_drop: false }` [INFO] [stdout] 2b796c8d34cd3ddf61a8caef77786c85ba6710e53bf3f9554f90c6f24b820c3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 255e49cffcb2bdcf22d08880bbbe7c8eaaa5d37cf6026e279fa03f8474c17e3c [INFO] running `Command { std: "docker" "start" "-a" "255e49cffcb2bdcf22d08880bbbe7c8eaaa5d37cf6026e279fa03f8474c17e3c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking lru-cache v0.1.0 (/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/list.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(elem: T) -> Rc> { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 28 | Rc::new(RefCell::new(Node { [INFO] [stdout] | _________________^ [INFO] [stdout] 29 | | elem: elem, [INFO] [stdout] 30 | | prev: None, [INFO] [stdout] 31 | | next: None [INFO] [stdout] 32 | | })) [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/list.rs:73:15 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn unshift(&mut self, new_head: Link) { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 73 | match self.head.take() { [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/list.rs:102:15 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn push(&mut self, new_tail: Link) { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 102 | match self.tail.take() { [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 `lru-cache` (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/list.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(elem: T) -> Rc> { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 28 | Rc::new(RefCell::new(Node { [INFO] [stdout] | _________________^ [INFO] [stdout] 29 | | elem: elem, [INFO] [stdout] 30 | | prev: None, [INFO] [stdout] 31 | | next: None [INFO] [stdout] 32 | | })) [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/list.rs:73:15 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn unshift(&mut self, new_head: Link) { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 73 | match self.head.take() { [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/list.rs:102:15 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn push(&mut self, new_tail: Link) { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 102 | match self.tail.take() { [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 `lru-cache` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "255e49cffcb2bdcf22d08880bbbe7c8eaaa5d37cf6026e279fa03f8474c17e3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "255e49cffcb2bdcf22d08880bbbe7c8eaaa5d37cf6026e279fa03f8474c17e3c", kill_on_drop: false }` [INFO] [stdout] 255e49cffcb2bdcf22d08880bbbe7c8eaaa5d37cf6026e279fa03f8474c17e3c