[INFO] cloning repository https://github.com/LearningOS/learn_rust_rustlings-kscooo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/learn_rust_rustlings-kscooo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-kscooo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-kscooo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 58599a099d1ef391ef3e4f8961fb0ef3270730f4 [INFO] checking LearningOS/learn_rust_rustlings-kscooo against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-kscooo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/learn_rust_rustlings-kscooo 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/LearningOS/learn_rust_rustlings-kscooo [INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-kscooo [INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-kscooo written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-kscooo 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] [stderr] Locking 1 package to latest compatible version [INFO] [stderr] Updating rustlings v4.7.1 (/workspace/builds/worker-4-tc1/source) -> v4.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 499aa369ed5e9e6bc9d5e43870a1d81ecf9e3f8a409d6880f1e8540cd9fb1b15 [INFO] running `Command { std: "docker" "start" "-a" "499aa369ed5e9e6bc9d5e43870a1d81ecf9e3f8a409d6880f1e8540cd9fb1b15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "499aa369ed5e9e6bc9d5e43870a1d81ecf9e3f8a409d6880f1e8540cd9fb1b15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "499aa369ed5e9e6bc9d5e43870a1d81ecf9e3f8a409d6880f1e8540cd9fb1b15", kill_on_drop: false }` [INFO] [stdout] 499aa369ed5e9e6bc9d5e43870a1d81ecf9e3f8a409d6880f1e8540cd9fb1b15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d88739eea2ef57e772f28d3394e95b44c1f3a0ede0888abd60f4b80111d2b8f2 [INFO] running `Command { std: "docker" "start" "-a" "d88739eea2ef57e772f28d3394e95b44c1f3a0ede0888abd60f4b80111d2b8f2", kill_on_drop: false }` [INFO] [stderr] Checking rustlings v4.8.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "d88739eea2ef57e772f28d3394e95b44c1f3a0ede0888abd60f4b80111d2b8f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d88739eea2ef57e772f28d3394e95b44c1f3a0ede0888abd60f4b80111d2b8f2", kill_on_drop: false }` [INFO] [stdout] d88739eea2ef57e772f28d3394e95b44c1f3a0ede0888abd60f4b80111d2b8f2 [INFO] checking LearningOS/learn_rust_rustlings-kscooo 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%2FLearningOS%2Flearn_rust_rustlings-kscooo" "/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/LearningOS/learn_rust_rustlings-kscooo 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/LearningOS/learn_rust_rustlings-kscooo [INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-kscooo [INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-kscooo written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-kscooo 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] Locking 1 package to latest compatible version [INFO] [stderr] Updating rustlings v4.7.1 (/workspace/builds/worker-4-tc2/source) -> v4.8.0 [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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca9d133f82a14405e54bb51262fc5ab269aaf8877f40ff4600a787bceab5ba9d [INFO] running `Command { std: "docker" "start" "-a" "ca9d133f82a14405e54bb51262fc5ab269aaf8877f40ff4600a787bceab5ba9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca9d133f82a14405e54bb51262fc5ab269aaf8877f40ff4600a787bceab5ba9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca9d133f82a14405e54bb51262fc5ab269aaf8877f40ff4600a787bceab5ba9d", kill_on_drop: false }` [INFO] [stdout] ca9d133f82a14405e54bb51262fc5ab269aaf8877f40ff4600a787bceab5ba9d [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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ada9571e5e7213e4cbd85c5f9eabdfb1471004726c34849c484bfe3b54eb20f [INFO] running `Command { std: "docker" "start" "-a" "6ada9571e5e7213e4cbd85c5f9eabdfb1471004726c34849c484bfe3b54eb20f", kill_on_drop: false }` [INFO] [stderr] Checking rustlings v4.8.0 (/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/exercise.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | #[derive(Deserialize, Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [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/exercise.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | #[derive(Deserialize, Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rustlings` (bin "rustlings") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rustlings` (bin "rustlings" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "6ada9571e5e7213e4cbd85c5f9eabdfb1471004726c34849c484bfe3b54eb20f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ada9571e5e7213e4cbd85c5f9eabdfb1471004726c34849c484bfe3b54eb20f", kill_on_drop: false }` [INFO] [stdout] 6ada9571e5e7213e4cbd85c5f9eabdfb1471004726c34849c484bfe3b54eb20f