[INFO] cloning repository https://github.com/bdferul/over-engineered-fizzbuzz [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bdferul/over-engineered-fizzbuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdferul%2Fover-engineered-fizzbuzz", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdferul%2Fover-engineered-fizzbuzz'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f090f853e45b9adba6d6da9855256ae69dcb0e0 [INFO] checking bdferul/over-engineered-fizzbuzz against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdferul%2Fover-engineered-fizzbuzz" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bdferul/over-engineered-fizzbuzz 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/bdferul/over-engineered-fizzbuzz [INFO] finished tweaking git repo https://github.com/bdferul/over-engineered-fizzbuzz [INFO] tweaked toml for git repo https://github.com/bdferul/over-engineered-fizzbuzz written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bdferul/over-engineered-fizzbuzz 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ae9cfb983b324c937cd7a00ef2378aece98e10020a4b14430635342c1f3569f0 [INFO] running `Command { std: "docker" "start" "-a" "ae9cfb983b324c937cd7a00ef2378aece98e10020a4b14430635342c1f3569f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae9cfb983b324c937cd7a00ef2378aece98e10020a4b14430635342c1f3569f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae9cfb983b324c937cd7a00ef2378aece98e10020a4b14430635342c1f3569f0", kill_on_drop: false }` [INFO] [stdout] ae9cfb983b324c937cd7a00ef2378aece98e10020a4b14430635342c1f3569f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b916d2cd8bcc06f47a1d9f603e449ca3a5ed1cf3d7c056e8f6b115e45c8e366e [INFO] running `Command { std: "docker" "start" "-a" "b916d2cd8bcc06f47a1d9f603e449ca3a5ed1cf3d7c056e8f6b115e45c8e366e", kill_on_drop: false }` [INFO] [stderr] Checking over-engineered-fizzbuzz v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `tuple` is never used [INFO] [stdout] --> src/fizzbuzz.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Param { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn tuple(self) -> (String, i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `compute_iter`, `empty`, and `params` are never used [INFO] [stdout] --> src/fizzbuzz.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 67 | impl FizzBuzz { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn compute_iter>(&self, iter: I) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn params(&self) -> Vec<(String, i32)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fizzbuzz` is never used [INFO] [stdout] --> src/fizzbuzz.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 203 | pub trait FizzBuzzed { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 212 | fn fizzbuzz(self) -> FizzBuzzIter; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tuple` is never used [INFO] [stdout] --> src/fizzbuzz.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Param { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn tuple(self) -> (String, i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `compute_iter`, `empty`, and `params` are never used [INFO] [stdout] --> src/fizzbuzz.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 67 | impl FizzBuzz { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn compute_iter>(&self, iter: I) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn params(&self) -> Vec<(String, i32)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fizzbuzz` is never used [INFO] [stdout] --> src/fizzbuzz.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 203 | pub trait FizzBuzzed { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 212 | fn fizzbuzz(self) -> FizzBuzzIter; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "b916d2cd8bcc06f47a1d9f603e449ca3a5ed1cf3d7c056e8f6b115e45c8e366e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b916d2cd8bcc06f47a1d9f603e449ca3a5ed1cf3d7c056e8f6b115e45c8e366e", kill_on_drop: false }` [INFO] [stdout] b916d2cd8bcc06f47a1d9f603e449ca3a5ed1cf3d7c056e8f6b115e45c8e366e [INFO] checking bdferul/over-engineered-fizzbuzz 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%2Fbdferul%2Fover-engineered-fizzbuzz" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bdferul/over-engineered-fizzbuzz 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/bdferul/over-engineered-fizzbuzz [INFO] finished tweaking git repo https://github.com/bdferul/over-engineered-fizzbuzz [INFO] tweaked toml for git repo https://github.com/bdferul/over-engineered-fizzbuzz written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bdferul/over-engineered-fizzbuzz 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] aac7cc96b808d077432ed4dd768e59d7ad5026990522adfdc001a37f48122d22 [INFO] running `Command { std: "docker" "start" "-a" "aac7cc96b808d077432ed4dd768e59d7ad5026990522adfdc001a37f48122d22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aac7cc96b808d077432ed4dd768e59d7ad5026990522adfdc001a37f48122d22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aac7cc96b808d077432ed4dd768e59d7ad5026990522adfdc001a37f48122d22", kill_on_drop: false }` [INFO] [stdout] aac7cc96b808d077432ed4dd768e59d7ad5026990522adfdc001a37f48122d22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 342d212c83207fb7f212b37a9b1c6ffc72621505e3be85482562dccc53ae14c7 [INFO] running `Command { std: "docker" "start" "-a" "342d212c83207fb7f212b37a9b1c6ffc72621505e3be85482562dccc53ae14c7", kill_on_drop: false }` [INFO] [stderr] Checking over-engineered-fizzbuzz v0.1.1 (/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/fizzbuzz.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn compute_iter>(&self, iter: I) -> Vec { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 88 | iter.map(|x| self.compute(x)).collect() [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `over-engineered-fizzbuzz` (lib) 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/fizzbuzz.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn compute_iter>(&self, iter: I) -> Vec { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 88 | iter.map(|x| self.compute(x)).collect() [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `over-engineered-fizzbuzz` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "342d212c83207fb7f212b37a9b1c6ffc72621505e3be85482562dccc53ae14c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "342d212c83207fb7f212b37a9b1c6ffc72621505e3be85482562dccc53ae14c7", kill_on_drop: false }` [INFO] [stdout] 342d212c83207fb7f212b37a9b1c6ffc72621505e3be85482562dccc53ae14c7