[INFO] fetching crate easy_linked_list 0.1.4...
[INFO] checking easy_linked_list-0.1.4 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate easy_linked_list 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate easy_linked_list 0.1.4 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 crates.io crate easy_linked_list 0.1.4
[INFO] finished tweaking crates.io crate easy_linked_list 0.1.4
[INFO] tweaked toml for crates.io crate easy_linked_list 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 53ed5d3ec5de1d09f81613ca1c814d141621753ecd50b54be14f6e71762e3f06
[INFO] running `Command { std: "docker" "start" "-a" "53ed5d3ec5de1d09f81613ca1c814d141621753ecd50b54be14f6e71762e3f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ed5d3ec5de1d09f81613ca1c814d141621753ecd50b54be14f6e71762e3f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ed5d3ec5de1d09f81613ca1c814d141621753ecd50b54be14f6e71762e3f06", kill_on_drop: false }`
[INFO] [stdout] 53ed5d3ec5de1d09f81613ca1c814d141621753ecd50b54be14f6e71762e3f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9589f586b5b76f4b1c808709bb7b290d313ef161831151b8570626e3e3e72881
[INFO] running `Command { std: "docker" "start" "-a" "9589f586b5b76f4b1c808709bb7b290d313ef161831151b8570626e3e3e72881", kill_on_drop: false }`
[INFO] [stderr]     Checking easy_linked_list v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> tests/tests.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     /// i32 example
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 35 |     list.add(1);
[INFO] [stdout]    |     ----------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> tests/tests.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     struct Person {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 13 |         age: i32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]    --> tests/Linked_List/mod.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 48  | impl<T> List<T> {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Linked_List` should have a snake case name
[INFO] [stdout]  --> tests/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod Linked_List;
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `linked_list`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "9589f586b5b76f4b1c808709bb7b290d313ef161831151b8570626e3e3e72881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9589f586b5b76f4b1c808709bb7b290d313ef161831151b8570626e3e3e72881", kill_on_drop: false }`
[INFO] [stdout] 9589f586b5b76f4b1c808709bb7b290d313ef161831151b8570626e3e3e72881
[INFO] checking easy_linked_list-0.1.4 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate easy_linked_list 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate easy_linked_list 0.1.4 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 crates.io crate easy_linked_list 0.1.4
[INFO] finished tweaking crates.io crate easy_linked_list 0.1.4
[INFO] tweaked toml for crates.io crate easy_linked_list 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4295d9c6caace94e525be79091e1aff820c3183d8b3964313bc458b726872ba7
[INFO] running `Command { std: "docker" "start" "-a" "4295d9c6caace94e525be79091e1aff820c3183d8b3964313bc458b726872ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4295d9c6caace94e525be79091e1aff820c3183d8b3964313bc458b726872ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4295d9c6caace94e525be79091e1aff820c3183d8b3964313bc458b726872ba7", kill_on_drop: false }`
[INFO] [stdout] 4295d9c6caace94e525be79091e1aff820c3183d8b3964313bc458b726872ba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] aaa88ec52b3edcf988016460697558b83553f89fb40d8092d280a518aa0c69e0
[INFO] running `Command { std: "docker" "start" "-a" "aaa88ec52b3edcf988016460697558b83553f89fb40d8092d280a518aa0c69e0", kill_on_drop: false }`
[INFO] [stderr]     Checking easy_linked_list v0.1.4 (/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/easy_linked_list/mod.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn new(data: T) -> Self {
[INFO] [stdout]   |            ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 8 |         Node { data, next: None }
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2024
[INFO] [stdout]   = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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/easy_linked_list/mod.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn new(data: T) -> Self {
[INFO] [stdout]   |            ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 8 |         Node { data, next: None }
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2024
[INFO] [stdout]   = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `easy_linked_list` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `easy_linked_list` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "aaa88ec52b3edcf988016460697558b83553f89fb40d8092d280a518aa0c69e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa88ec52b3edcf988016460697558b83553f89fb40d8092d280a518aa0c69e0", kill_on_drop: false }`
[INFO] [stdout] aaa88ec52b3edcf988016460697558b83553f89fb40d8092d280a518aa0c69e0