[INFO] cloning repository https://github.com/Shavvey/huffman-tree-compression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shavvey/huffman-tree-compression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShavvey%2Fhuffman-tree-compression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShavvey%2Fhuffman-tree-compression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79c64e8871bb03eee6bbef1bbf2e227309fef892
[INFO] checking Shavvey/huffman-tree-compression/79c64e8871bb03eee6bbef1bbf2e227309fef892 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%2FShavvey%2Fhuffman-tree-compression" "/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/Shavvey/huffman-tree-compression 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/Shavvey/huffman-tree-compression
[INFO] finished tweaking git repo https://github.com/Shavvey/huffman-tree-compression
[INFO] tweaked toml for git repo https://github.com/Shavvey/huffman-tree-compression written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Shavvey/huffman-tree-compression 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-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95d6b55c8b43c953bd761e54a4ba8d5029aed6c0938ab8111e5a77bf00bdff3f
[INFO] running `Command { std: "docker" "start" "-a" "95d6b55c8b43c953bd761e54a4ba8d5029aed6c0938ab8111e5a77bf00bdff3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95d6b55c8b43c953bd761e54a4ba8d5029aed6c0938ab8111e5a77bf00bdff3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d6b55c8b43c953bd761e54a4ba8d5029aed6c0938ab8111e5a77bf00bdff3f", kill_on_drop: false }`
[INFO] [stdout] 95d6b55c8b43c953bd761e54a4ba8d5029aed6c0938ab8111e5a77bf00bdff3f
[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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9279832c24688bfc85c3bcfd687133ce2f6c06cce85966aeb5e7205388eeeb15
[INFO] running `Command { std: "docker" "start" "-a" "9279832c24688bfc85c3bcfd687133ce2f6c06cce85966aeb5e7205388eeeb15", kill_on_drop: false }`
[INFO] [stderr]     Checking huffman-compression 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/hufftree.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |           let root_node = min_heap.extract_min().unwrap();
[INFO] [stdout]    |               --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 44 |           Self {
[INFO] [stdout] 45 |               root: Subtree {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 46 | |                 root: Option::Some(Box::new(root_node)),
[INFO] [stdout] 47 | |             },
[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] [stderr] error: could not compile `huffman-compression` (bin "huffman-compression") due to 2 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/hufftree.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |           let root_node = min_heap.extract_min().unwrap();
[INFO] [stdout]    |               --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 44 |           Self {
[INFO] [stdout] 45 |               root: Subtree {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 46 | |                 root: Option::Some(Box::new(root_node)),
[INFO] [stdout] 47 | |             },
[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] [stderr] error: could not compile `huffman-compression` (bin "huffman-compression" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9279832c24688bfc85c3bcfd687133ce2f6c06cce85966aeb5e7205388eeeb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9279832c24688bfc85c3bcfd687133ce2f6c06cce85966aeb5e7205388eeeb15", kill_on_drop: false }`
[INFO] [stdout] 9279832c24688bfc85c3bcfd687133ce2f6c06cce85966aeb5e7205388eeeb15