[INFO] fetching crate nth-cons-list 0.1.0...
[INFO] checking nth-cons-list-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate nth-cons-list 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nth-cons-list 0.1.0 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 nth-cons-list 0.1.0
[INFO] finished tweaking crates.io crate nth-cons-list 0.1.0
[INFO] tweaked toml for crates.io crate nth-cons-list 0.1.0 written to /workspace/builds/worker-3-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] [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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 238b086de3427ec29756cdd5a0a0ee26b4517a5e91cfdc74e757fde35b9017e7
[INFO] running `Command { std: "docker" "start" "-a" "238b086de3427ec29756cdd5a0a0ee26b4517a5e91cfdc74e757fde35b9017e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "238b086de3427ec29756cdd5a0a0ee26b4517a5e91cfdc74e757fde35b9017e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238b086de3427ec29756cdd5a0a0ee26b4517a5e91cfdc74e757fde35b9017e7", kill_on_drop: false }`
[INFO] [stdout] 238b086de3427ec29756cdd5a0a0ee26b4517a5e91cfdc74e757fde35b9017e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3765b259226aeb99b7058c0def6f4fdd8b2194b4e48f99d596dd4b45956b7c76
[INFO] running `Command { std: "docker" "start" "-a" "3765b259226aeb99b7058c0def6f4fdd8b2194b4e48f99d596dd4b45956b7c76", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking nth-cons-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "3765b259226aeb99b7058c0def6f4fdd8b2194b4e48f99d596dd4b45956b7c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3765b259226aeb99b7058c0def6f4fdd8b2194b4e48f99d596dd4b45956b7c76", kill_on_drop: false }`
[INFO] [stdout] 3765b259226aeb99b7058c0def6f4fdd8b2194b4e48f99d596dd4b45956b7c76
[INFO] checking nth-cons-list-0.1.0 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate nth-cons-list 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate nth-cons-list 0.1.0 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 nth-cons-list 0.1.0
[INFO] finished tweaking crates.io crate nth-cons-list 0.1.0
[INFO] tweaked toml for crates.io crate nth-cons-list 0.1.0 written to /workspace/builds/worker-3-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] [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1693b2406e4cf8e8aa11a32558e4a74d5dd637b9cd14714e3991db6faab699a2
[INFO] running `Command { std: "docker" "start" "-a" "1693b2406e4cf8e8aa11a32558e4a74d5dd637b9cd14714e3991db6faab699a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1693b2406e4cf8e8aa11a32558e4a74d5dd637b9cd14714e3991db6faab699a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1693b2406e4cf8e8aa11a32558e4a74d5dd637b9cd14714e3991db6faab699a2", kill_on_drop: false }`
[INFO] [stdout] 1693b2406e4cf8e8aa11a32558e4a74d5dd637b9cd14714e3991db6faab699a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 549e9cb92e066263c2fca7e35a782fe9e9f522135fa3ca939ac2760f4bb97600
[INFO] running `Command { std: "docker" "start" "-a" "549e9cb92e066263c2fca7e35a782fe9e9f522135fa3ca939ac2760f4bb97600", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking nth-cons-list 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/lib.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn cons<A>(head: A, tail: List<A>) -> List<A> {
[INFO] [stdout]    |                -------  ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                |
[INFO] [stdout]    |                these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 57 |     List { rc: Rc::new(Cons(head, tail)) }
[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/lib.rs:180:38
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn from_iter<T: IntoIterator<Item=A>>(iter: T) -> Self {
[INFO] [stdout]     |                                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 179 |         let elems: Vec<A> = iter.into_iter().collect();
[INFO] [stdout]     |             ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 180 |         List::from_double_ended_iter(elems.into_iter())
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nth-cons-list` (lib) due to 3 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:57:16
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn cons<A>(head: A, tail: List<A>) -> List<A> {
[INFO] [stdout]    |                -------  ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                |
[INFO] [stdout]    |                these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 57 |     List { rc: Rc::new(Cons(head, tail)) }
[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/lib.rs:180:38
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn from_iter<T: IntoIterator<Item=A>>(iter: T) -> Self {
[INFO] [stdout]     |                                           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 179 |         let elems: Vec<A> = iter.into_iter().collect();
[INFO] [stdout]     |             ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 180 |         List::from_double_ended_iter(elems.into_iter())
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nth-cons-list` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "549e9cb92e066263c2fca7e35a782fe9e9f522135fa3ca939ac2760f4bb97600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549e9cb92e066263c2fca7e35a782fe9e9f522135fa3ca939ac2760f4bb97600", kill_on_drop: false }`
[INFO] [stdout] 549e9cb92e066263c2fca7e35a782fe9e9f522135fa3ca939ac2760f4bb97600