[INFO] fetching crate over-engineered-fizzbuzz 0.1.1... [INFO] checking over-engineered-fizzbuzz-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate over-engineered-fizzbuzz 0.1.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate over-engineered-fizzbuzz 0.1.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate over-engineered-fizzbuzz 0.1.1 [INFO] finished tweaking crates.io crate over-engineered-fizzbuzz 0.1.1 [INFO] tweaked toml for crates.io crate over-engineered-fizzbuzz 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate over-engineered-fizzbuzz 0.1.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1dd9f09bffa4a1384e7e9f4cbe15c396cb74d21c86e8943357e875b53e9c118b [INFO] running `Command { std: "docker" "start" "-a" "1dd9f09bffa4a1384e7e9f4cbe15c396cb74d21c86e8943357e875b53e9c118b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1dd9f09bffa4a1384e7e9f4cbe15c396cb74d21c86e8943357e875b53e9c118b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dd9f09bffa4a1384e7e9f4cbe15c396cb74d21c86e8943357e875b53e9c118b", kill_on_drop: false }` [INFO] [stdout] 1dd9f09bffa4a1384e7e9f4cbe15c396cb74d21c86e8943357e875b53e9c118b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f847985402a036020e05a702f454c28b2d676411503324ed47042d68100a0e3c [INFO] running `Command { std: "docker" "start" "-a" "f847985402a036020e05a702f454c28b2d676411503324ed47042d68100a0e3c", 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: 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: 3 warnings emitted [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 0.49s [INFO] running `Command { std: "docker" "inspect" "f847985402a036020e05a702f454c28b2d676411503324ed47042d68100a0e3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f847985402a036020e05a702f454c28b2d676411503324ed47042d68100a0e3c", kill_on_drop: false }` [INFO] [stdout] f847985402a036020e05a702f454c28b2d676411503324ed47042d68100a0e3c