[INFO] cloning repository https://github.com/varzac/rust_collections [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varzac/rust_collections" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db1285199d9300d32cdd25281583753dc1de814d [INFO] checking varzac/rust_collections against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/varzac/rust_collections 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/varzac/rust_collections [INFO] finished tweaking git repo https://github.com/varzac/rust_collections [INFO] tweaked toml for git repo https://github.com/varzac/rust_collections written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/varzac/rust_collections 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: path `src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c98032837b9c59d6439f10b952f42a64cd43bd55defe5e471dfc786989b08bc0 [INFO] running `Command { std: "docker" "start" "-a" "c98032837b9c59d6439f10b952f42a64cd43bd55defe5e471dfc786989b08bc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c98032837b9c59d6439f10b952f42a64cd43bd55defe5e471dfc786989b08bc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c98032837b9c59d6439f10b952f42a64cd43bd55defe5e471dfc786989b08bc0", kill_on_drop: false }` [INFO] [stdout] c98032837b9c59d6439f10b952f42a64cd43bd55defe5e471dfc786989b08bc0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2ea88acad9a0c8eb965e637587dad8c447f7bc2c2a37a8bddfb1eec4d1283d0e [INFO] running `Command { std: "docker" "start" "-a" "2ea88acad9a0c8eb965e637587dad8c447f7bc2c2a37a8bddfb1eec4d1283d0e", kill_on_drop: false }` [INFO] [stderr] warning: path `src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking linked_list v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `delete_val`, `insert_val`, `length`, and `find` are never used [INFO] [stdout] --> src/linked_list.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 11 | / impl LinkedList [INFO] [stdout] 12 | | where T: PartialEq + Clone + Display{ [INFO] [stdout] | |____________________________________________- methods in this implementation [INFO] [stdout] 13 | [INFO] [stdout] 14 | fn delete_val(&self, val: &T) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | fn insert_val(&self, val: T) -> LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn length(&self) -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | fn find(&self, val: T) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "2ea88acad9a0c8eb965e637587dad8c447f7bc2c2a37a8bddfb1eec4d1283d0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ea88acad9a0c8eb965e637587dad8c447f7bc2c2a37a8bddfb1eec4d1283d0e", kill_on_drop: false }` [INFO] [stdout] 2ea88acad9a0c8eb965e637587dad8c447f7bc2c2a37a8bddfb1eec4d1283d0e [INFO] checking varzac/rust_collections 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%2Fvarzac%2Frust_collections" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/varzac/rust_collections 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/varzac/rust_collections [INFO] finished tweaking git repo https://github.com/varzac/rust_collections [INFO] tweaked toml for git repo https://github.com/varzac/rust_collections written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/varzac/rust_collections 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: path `src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ba26e4384644092ff3f1b36439c0df75ccd72cbe27edfbbf3a3ea033523ae1df [INFO] running `Command { std: "docker" "start" "-a" "ba26e4384644092ff3f1b36439c0df75ccd72cbe27edfbbf3a3ea033523ae1df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba26e4384644092ff3f1b36439c0df75ccd72cbe27edfbbf3a3ea033523ae1df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba26e4384644092ff3f1b36439c0df75ccd72cbe27edfbbf3a3ea033523ae1df", kill_on_drop: false }` [INFO] [stdout] ba26e4384644092ff3f1b36439c0df75ccd72cbe27edfbbf3a3ea033523ae1df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fdf89d65ce909a3674df766485cab8ce448e73560ea1f0c552e5e566f871fdca [INFO] running `Command { std: "docker" "start" "-a" "fdf89d65ce909a3674df766485cab8ce448e73560ea1f0c552e5e566f871fdca", kill_on_drop: false }` [INFO] [stderr] warning: path `src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`, [INFO] [stderr] please set bin.path in Cargo.toml [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking linked_list v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `delete_val`, `insert_val`, `length`, and `find` are never used [INFO] [stdout] --> src/linked_list.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 11 | / impl LinkedList [INFO] [stdout] 12 | | where T: PartialEq + Clone + Display{ [INFO] [stdout] | |____________________________________________- methods in this implementation [INFO] [stdout] 13 | [INFO] [stdout] 14 | fn delete_val(&self, val: &T) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | fn insert_val(&self, val: T) -> LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn length(&self) -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | fn find(&self, val: T) -> Option { [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/linked_list.rs:39:39 [INFO] [stdout] | [INFO] [stdout] 38 | fn insert_val(&self, val: T) -> LinkedList { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | LinkedList { data: val, next: Some(Rc::new(self.clone())) } [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 `linked_list` (bin "linked_list") 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/linked_list.rs:39:39 [INFO] [stdout] | [INFO] [stdout] 38 | fn insert_val(&self, val: T) -> LinkedList { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | LinkedList { data: val, next: Some(Rc::new(self.clone())) } [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 `linked_list` (bin "linked_list" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "fdf89d65ce909a3674df766485cab8ce448e73560ea1f0c552e5e566f871fdca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdf89d65ce909a3674df766485cab8ce448e73560ea1f0c552e5e566f871fdca", kill_on_drop: false }` [INFO] [stdout] fdf89d65ce909a3674df766485cab8ce448e73560ea1f0c552e5e566f871fdca