[INFO] cloning repository https://github.com/prk-Jr/rust_binary_search_tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prk-Jr/rust_binary_search_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprk-Jr%2Frust_binary_search_tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprk-Jr%2Frust_binary_search_tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 444f897337ce20c4db2eff9e5006de276b5ea5de [INFO] checking prk-Jr/rust_binary_search_tree against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprk-Jr%2Frust_binary_search_tree" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/prk-Jr/rust_binary_search_tree 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/prk-Jr/rust_binary_search_tree [INFO] finished tweaking git repo https://github.com/prk-Jr/rust_binary_search_tree [INFO] tweaked toml for git repo https://github.com/prk-Jr/rust_binary_search_tree written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/prk-Jr/rust_binary_search_tree 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ac45321ad5ffe0722d897417fd8aae0c3d379f817cf484ae0f04a2d878209ef8 [INFO] running `Command { std: "docker" "start" "-a" "ac45321ad5ffe0722d897417fd8aae0c3d379f817cf484ae0f04a2d878209ef8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac45321ad5ffe0722d897417fd8aae0c3d379f817cf484ae0f04a2d878209ef8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac45321ad5ffe0722d897417fd8aae0c3d379f817cf484ae0f04a2d878209ef8", kill_on_drop: false }` [INFO] [stdout] ac45321ad5ffe0722d897417fd8aae0c3d379f817cf484ae0f04a2d878209ef8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3339794beb8e05cf1c88c34a65006ef3aa096f39dc326d067031495238d6f070 [INFO] running `Command { std: "docker" "start" "-a" "3339794beb8e05cf1c88c34a65006ef3aa096f39dc326d067031495238d6f070", kill_on_drop: false }` [INFO] [stderr] Checking binary_search_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `search` is never used [INFO] [stdout] --> src/main.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl BST { [INFO] [stdout] | ------------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | fn search(&mut self, value: T) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | #![warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `search` is never used [INFO] [stdout] --> src/main.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl BST { [INFO] [stdout] | ------------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | fn search(&mut self, value: T) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | #![warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [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 0.10s [INFO] running `Command { std: "docker" "inspect" "3339794beb8e05cf1c88c34a65006ef3aa096f39dc326d067031495238d6f070", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3339794beb8e05cf1c88c34a65006ef3aa096f39dc326d067031495238d6f070", kill_on_drop: false }` [INFO] [stdout] 3339794beb8e05cf1c88c34a65006ef3aa096f39dc326d067031495238d6f070 [INFO] checking prk-Jr/rust_binary_search_tree 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%2Fprk-Jr%2Frust_binary_search_tree" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/prk-Jr/rust_binary_search_tree 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/prk-Jr/rust_binary_search_tree [INFO] finished tweaking git repo https://github.com/prk-Jr/rust_binary_search_tree [INFO] tweaked toml for git repo https://github.com/prk-Jr/rust_binary_search_tree written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/prk-Jr/rust_binary_search_tree 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4392bcaad00eb14539e8fdc3e5b614de7cffd3e93deafb0b85c67d6586a0dfb4 [INFO] running `Command { std: "docker" "start" "-a" "4392bcaad00eb14539e8fdc3e5b614de7cffd3e93deafb0b85c67d6586a0dfb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4392bcaad00eb14539e8fdc3e5b614de7cffd3e93deafb0b85c67d6586a0dfb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4392bcaad00eb14539e8fdc3e5b614de7cffd3e93deafb0b85c67d6586a0dfb4", kill_on_drop: false }` [INFO] [stdout] 4392bcaad00eb14539e8fdc3e5b614de7cffd3e93deafb0b85c67d6586a0dfb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9f893c94f3c79921d7c53237674936200f0bee4a037e3b120a80f7fbb6bcb610 [INFO] running `Command { std: "docker" "start" "-a" "9f893c94f3c79921d7c53237674936200f0bee4a037e3b120a80f7fbb6bcb610", kill_on_drop: false }` [INFO] [stderr] Checking binary_search_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `search` is never used [INFO] [stdout] --> src/main.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl BST { [INFO] [stdout] | ------------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | fn search(&mut self, value: T) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | #![warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [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/main.rs:100:15 [INFO] [stdout] | [INFO] [stdout] 83 | fn delete(mut this: Box>, target: &T) -> Option>> { [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 100 | match (this.left.take(), this.right.take()) { [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] warning: method `search` is never used [INFO] [stdout] --> src/main.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl BST { [INFO] [stdout] | ------------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | fn search(&mut self, value: T) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | #![warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [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/main.rs:100:15 [INFO] [stdout] | [INFO] [stdout] 83 | fn delete(mut this: Box>, target: &T) -> Option>> { [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 100 | match (this.left.take(), this.right.take()) { [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] [stderr] error: could not compile `binary_search_tree` (bin "binary_search_tree") 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 `binary_search_tree` (bin "binary_search_tree" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "9f893c94f3c79921d7c53237674936200f0bee4a037e3b120a80f7fbb6bcb610", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f893c94f3c79921d7c53237674936200f0bee4a037e3b120a80f7fbb6bcb610", kill_on_drop: false }` [INFO] [stdout] 9f893c94f3c79921d7c53237674936200f0bee4a037e3b120a80f7fbb6bcb610