[INFO] fetching crate text-grid 0.4.1... [INFO] checking text-grid-0.4.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate text-grid 0.4.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate text-grid 0.4.1 [INFO] finished tweaking crates.io crate text-grid 0.4.1 [INFO] tweaked toml for crates.io crate text-grid 0.4.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate text-grid 0.4.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate text-grid 0.4.1 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ed9635ae295ce98140c54906e96c0560d6f131e640835b7f8784cc610393002 [INFO] running `Command { std: "docker" "start" "-a" "9ed9635ae295ce98140c54906e96c0560d6f131e640835b7f8784cc610393002", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ed9635ae295ce98140c54906e96c0560d6f131e640835b7f8784cc610393002", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ed9635ae295ce98140c54906e96c0560d6f131e640835b7f8784cc610393002", kill_on_drop: false }` [INFO] [stdout] 9ed9635ae295ce98140c54906e96c0560d6f131e640835b7f8784cc610393002 [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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c82fbf484e2b094fec220bcbff3b6b5f12f6b587f2f650469576c43a214f9ee2 [INFO] running `Command { std: "docker" "start" "-a" "c82fbf484e2b094fec220bcbff3b6b5f12f6b587f2f650469576c43a214f9ee2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Compiling structmeta-derive v0.3.0 [INFO] [stderr] Compiling structmeta-derive v0.2.0 [INFO] [stderr] Compiling structmeta v0.2.0 [INFO] [stderr] Compiling structmeta v0.3.0 [INFO] [stderr] Compiling derive-ex v0.1.7 [INFO] [stderr] Compiling text-grid-macros v0.4.1 [INFO] [stderr] Checking text-grid v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/cells_formatter.rs:185:19 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn filter(&mut self, f: impl FnOnce(&T) -> bool) -> CellsFormatter { [INFO] [stdout] | ^^^^^^^^^ ----------------- [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 185 | pub fn filter(&mut self, f: impl FnOnce(&T) -> bool) -> CellsFormatter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/cells_formatter.rs:251:18 [INFO] [stdout] | [INFO] [stdout] 251 | pub fn unref(&mut self) -> CellsFormatter { [INFO] [stdout] | ^^^^^^^^^ ----------------- [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 251 | pub fn unref(&mut self) -> CellsFormatter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/cells_formatter.rs:260:18 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn unref(&mut self) -> CellsFormatter { [INFO] [stdout] | ^^^^^^^^^ ----------------- [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 260 | pub fn unref(&mut self) -> CellsFormatter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/grid_builder.rs:422:12 [INFO] [stdout] | [INFO] [stdout] 422 | fn row(&self, row: usize) -> Option { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 422 | fn row(&self, row: usize) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/grid_builder.rs:434:13 [INFO] [stdout] | [INFO] [stdout] 434 | fn rows(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 434 | fn rows(&self) -> impl Iterator> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/cells_formatter.rs:185:19 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn filter(&mut self, f: impl FnOnce(&T) -> bool) -> CellsFormatter { [INFO] [stdout] | ^^^^^^^^^ ----------------- [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 185 | pub fn filter(&mut self, f: impl FnOnce(&T) -> bool) -> CellsFormatter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/cells_formatter.rs:251:18 [INFO] [stdout] | [INFO] [stdout] 251 | pub fn unref(&mut self) -> CellsFormatter { [INFO] [stdout] | ^^^^^^^^^ ----------------- [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 251 | pub fn unref(&mut self) -> CellsFormatter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/cells_formatter.rs:260:18 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn unref(&mut self) -> CellsFormatter { [INFO] [stdout] | ^^^^^^^^^ ----------------- [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 260 | pub fn unref(&mut self) -> CellsFormatter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/grid_builder.rs:422:12 [INFO] [stdout] | [INFO] [stdout] 422 | fn row(&self, row: usize) -> Option { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 422 | fn row(&self, row: usize) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/grid_builder.rs:434:13 [INFO] [stdout] | [INFO] [stdout] 434 | fn rows(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 434 | fn rows(&self) -> impl Iterator> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `X` is never constructed [INFO] [stdout] --> tests/cell.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | struct X(String); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyCellsSchema` is never constructed [INFO] [stdout] --> examples/grid_schema.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | struct MyCellsSchema { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IndexToValueSchema` is never constructed [INFO] [stdout] --> tests/grid.rs:646:12 [INFO] [stdout] | [INFO] [stdout] 646 | struct IndexToValueSchema(Vec); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.62s [INFO] running `Command { std: "docker" "inspect" "c82fbf484e2b094fec220bcbff3b6b5f12f6b587f2f650469576c43a214f9ee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c82fbf484e2b094fec220bcbff3b6b5f12f6b587f2f650469576c43a214f9ee2", kill_on_drop: false }` [INFO] [stdout] c82fbf484e2b094fec220bcbff3b6b5f12f6b587f2f650469576c43a214f9ee2