[INFO] cloning repository https://github.com/jonathanlofgren/comprust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonathanlofgren/comprust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathanlofgren%2Fcomprust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathanlofgren%2Fcomprust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c4dad72dfe83b7635bca496b1a6b40d23ba7e161 [INFO] checking jonathanlofgren/comprust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathanlofgren%2Fcomprust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jonathanlofgren/comprust 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/jonathanlofgren/comprust [INFO] finished tweaking git repo https://github.com/jonathanlofgren/comprust [INFO] tweaked toml for git repo https://github.com/jonathanlofgren/comprust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jonathanlofgren/comprust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c0d8448e6536ea64a24b437a70712b6a5c8e21a5aad48f5fcfc550692f635a41 [INFO] running `Command { std: "docker" "start" "-a" "c0d8448e6536ea64a24b437a70712b6a5c8e21a5aad48f5fcfc550692f635a41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0d8448e6536ea64a24b437a70712b6a5c8e21a5aad48f5fcfc550692f635a41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0d8448e6536ea64a24b437a70712b6a5c8e21a5aad48f5fcfc550692f635a41", kill_on_drop: false }` [INFO] [stdout] c0d8448e6536ea64a24b437a70712b6a5c8e21a5aad48f5fcfc550692f635a41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ca308bd0cf43eb587f731ec4802d2f989b5ebb3e5eb52eb692aa3c84dfbcddd0 [INFO] running `Command { std: "docker" "start" "-a" "ca308bd0cf43eb587f731ec4802d2f989b5ebb3e5eb52eb692aa3c84dfbcddd0", kill_on_drop: false }` [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking comprust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/huffman/mod.rs:45:34 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn decode(reader: &mut R, writer: &mut W) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/huffman/mod.rs:45:50 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn decode(reader: &mut R, writer: &mut W) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/huffman/mod.rs:45:34 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn decode(reader: &mut R, writer: &mut W) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/huffman/mod.rs:45:50 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn decode(reader: &mut R, writer: &mut W) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s [INFO] running `Command { std: "docker" "inspect" "ca308bd0cf43eb587f731ec4802d2f989b5ebb3e5eb52eb692aa3c84dfbcddd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca308bd0cf43eb587f731ec4802d2f989b5ebb3e5eb52eb692aa3c84dfbcddd0", kill_on_drop: false }` [INFO] [stdout] ca308bd0cf43eb587f731ec4802d2f989b5ebb3e5eb52eb692aa3c84dfbcddd0 [INFO] checking jonathanlofgren/comprust 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%2Fjonathanlofgren%2Fcomprust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jonathanlofgren/comprust 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/jonathanlofgren/comprust [INFO] finished tweaking git repo https://github.com/jonathanlofgren/comprust [INFO] tweaked toml for git repo https://github.com/jonathanlofgren/comprust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jonathanlofgren/comprust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2861358ed4fbd330aa6110609441279918e5584a318257d511175fc1985bc776 [INFO] running `Command { std: "docker" "start" "-a" "2861358ed4fbd330aa6110609441279918e5584a318257d511175fc1985bc776", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2861358ed4fbd330aa6110609441279918e5584a318257d511175fc1985bc776", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2861358ed4fbd330aa6110609441279918e5584a318257d511175fc1985bc776", kill_on_drop: false }` [INFO] [stdout] 2861358ed4fbd330aa6110609441279918e5584a318257d511175fc1985bc776 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ae6340e00c73bb3182963ee1924fb6849d536e8a981c682f48e6d9f3641739fb [INFO] running `Command { std: "docker" "start" "-a" "ae6340e00c73bb3182963ee1924fb6849d536e8a981c682f48e6d9f3641739fb", kill_on_drop: false }` [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking comprust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/huffman/mod.rs:45:34 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn decode(reader: &mut R, writer: &mut W) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/huffman/mod.rs:45:50 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn decode(reader: &mut R, writer: &mut W) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [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/huffman/tree.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut heap = BinaryHeap::new(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 44 | heap.pop().map(|link| Self { [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `comprust` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `reader` [INFO] [stdout] --> src/huffman/mod.rs:45:34 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn decode(reader: &mut R, writer: &mut W) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/huffman/mod.rs:45:50 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn decode(reader: &mut R, writer: &mut W) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [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/huffman/tree.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut heap = BinaryHeap::new(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 44 | heap.pop().map(|link| Self { [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/huffman/tree.rs:258:19 [INFO] [stdout] | [INFO] [stdout] 236 | let a = Link::Leaf(15, 'a'); [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 237 | let b = Link::Leaf(7, 'b'); [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 238 | let c = Link::Leaf(6, 'c'); [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 239 | let d = Link::Leaf(5, 'd'); [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 240 | let e = Link::Leaf(4, 'e'); [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 241 | let de = Node { [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 246 | let bc = Node { [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 251 | let bcde = Node { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 258 | root: Link::Node( [INFO] [stdout] | ___________________^ [INFO] [stdout] 259 | | Box::new(Node { [INFO] [stdout] 260 | | weight: 37, [INFO] [stdout] 261 | | left: Link::Node(Box::new(bcde), 'b'), [INFO] [stdout] ... | [INFO] [stdout] 264 | | 'b', [INFO] [stdout] 265 | | ), [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/huffman/mod.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 89 | let tree = build_correct_tree(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 92 | build_dictionary(&tree), [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/huffman/mod.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 89 | let tree = build_correct_tree(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 93 | / HashMap::from([ [INFO] [stdout] 94 | | ('a', bitvec![1]), [INFO] [stdout] 95 | | ('b', bitvec![0, 0, 0]), [INFO] [stdout] 96 | | ('c', bitvec![0, 0, 1]), [INFO] [stdout] 97 | | ('d', bitvec![0, 1, 0]), [INFO] [stdout] 98 | | ('e', bitvec![0, 1, 1]), [INFO] [stdout] 99 | | ]) [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 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `comprust` (lib test) due to 5 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ae6340e00c73bb3182963ee1924fb6849d536e8a981c682f48e6d9f3641739fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae6340e00c73bb3182963ee1924fb6849d536e8a981c682f48e6d9f3641739fb", kill_on_drop: false }` [INFO] [stdout] ae6340e00c73bb3182963ee1924fb6849d536e8a981c682f48e6d9f3641739fb