[INFO] cloning repository https://github.com/raagnair/leetcrab [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raagnair/leetcrab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraagnair%2Fleetcrab", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraagnair%2Fleetcrab'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2cd2419486187e0da3ac28f16659e7abef27572a [INFO] checking raagnair/leetcrab against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraagnair%2Fleetcrab" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raagnair/leetcrab 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/raagnair/leetcrab [INFO] finished tweaking git repo https://github.com/raagnair/leetcrab [INFO] tweaked toml for git repo https://github.com/raagnair/leetcrab written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/raagnair/leetcrab 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 82a058633231139041e8bc01399d46de2bd779e55dc621246f639cd724c6f4d2 [INFO] running `Command { std: "docker" "start" "-a" "82a058633231139041e8bc01399d46de2bd779e55dc621246f639cd724c6f4d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82a058633231139041e8bc01399d46de2bd779e55dc621246f639cd724c6f4d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82a058633231139041e8bc01399d46de2bd779e55dc621246f639cd724c6f4d2", kill_on_drop: false }` [INFO] [stdout] 82a058633231139041e8bc01399d46de2bd779e55dc621246f639cd724c6f4d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 20ada6f4b28ccb43be9c63a04a0c162c89198d2ee74f315339f1b7ac3c441653 [INFO] running `Command { std: "docker" "start" "-a" "20ada6f4b28ccb43be9c63a04a0c162c89198d2ee74f315339f1b7ac3c441653", kill_on_drop: false }` [INFO] [stderr] Checking leetcrab v0.71.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `last_iter` is never read [INFO] [stdout] --> src/solutions/s0017_letter_combinations.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut last_iter = vec![]; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `last_iter` is never read [INFO] [stdout] --> src/solutions/s0017_letter_combinations.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut last_iter = vec![]; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "20ada6f4b28ccb43be9c63a04a0c162c89198d2ee74f315339f1b7ac3c441653", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20ada6f4b28ccb43be9c63a04a0c162c89198d2ee74f315339f1b7ac3c441653", kill_on_drop: false }` [INFO] [stdout] 20ada6f4b28ccb43be9c63a04a0c162c89198d2ee74f315339f1b7ac3c441653 [INFO] checking raagnair/leetcrab 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%2Fraagnair%2Fleetcrab" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raagnair/leetcrab 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/raagnair/leetcrab [INFO] finished tweaking git repo https://github.com/raagnair/leetcrab [INFO] tweaked toml for git repo https://github.com/raagnair/leetcrab written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/raagnair/leetcrab 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9ffa2135b32de87ceb675ed94e83c1b1779d5a26e60d13f5ceb581efcf38c789 [INFO] running `Command { std: "docker" "start" "-a" "9ffa2135b32de87ceb675ed94e83c1b1779d5a26e60d13f5ceb581efcf38c789", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ffa2135b32de87ceb675ed94e83c1b1779d5a26e60d13f5ceb581efcf38c789", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ffa2135b32de87ceb675ed94e83c1b1779d5a26e60d13f5ceb581efcf38c789", kill_on_drop: false }` [INFO] [stdout] 9ffa2135b32de87ceb675ed94e83c1b1779d5a26e60d13f5ceb581efcf38c789 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0ed45f010cdc299fa324e806a640ec9c91e06ef54654ad15453ace3a611854d2 [INFO] running `Command { std: "docker" "start" "-a" "0ed45f010cdc299fa324e806a640ec9c91e06ef54654ad15453ace3a611854d2", kill_on_drop: false }` [INFO] [stderr] Checking leetcrab v0.71.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `last_iter` is never read [INFO] [stdout] --> src/solutions/s0017_letter_combinations.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut last_iter = vec![]; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` 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/solutions/s0002_add_two_numbers.rs:66:3 [INFO] [stdout] | [INFO] [stdout] 35 | l1: Option>, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 36 | l2: Option>) -> Option> { [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 37 | let mut left = l1; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | let mut right = l2; [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | let mut head = Some(Box::new(ListNode::new(0))); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | head.unwrap().next [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] warning: value assigned to `last_iter` is never read [INFO] [stdout] --> src/solutions/s0017_letter_combinations.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let mut last_iter = vec![]; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` 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/solutions/s0002_add_two_numbers.rs:66:3 [INFO] [stdout] | [INFO] [stdout] 35 | l1: Option>, [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 36 | l2: Option>) -> Option> { [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 37 | let mut left = l1; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | let mut right = l2; [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | let mut head = Some(Box::new(ListNode::new(0))); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | head.unwrap().next [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] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcrab` (bin "leetcrab" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `leetcrab` (bin "leetcrab") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "0ed45f010cdc299fa324e806a640ec9c91e06ef54654ad15453ace3a611854d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ed45f010cdc299fa324e806a640ec9c91e06ef54654ad15453ace3a611854d2", kill_on_drop: false }` [INFO] [stdout] 0ed45f010cdc299fa324e806a640ec9c91e06ef54654ad15453ace3a611854d2