[INFO] fetching crate str-chunks 0.2.0... [INFO] checking str-chunks-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate str-chunks 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate str-chunks 0.2.0 [INFO] finished tweaking crates.io crate str-chunks 0.2.0 [INFO] tweaked toml for crates.io crate str-chunks 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate str-chunks 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 52b1957247e63daf0b5346c464f55ec5b3b3f924c4568e5a2a255bd4e74f8f3f [INFO] running `Command { std: "docker" "start" "-a" "52b1957247e63daf0b5346c464f55ec5b3b3f924c4568e5a2a255bd4e74f8f3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52b1957247e63daf0b5346c464f55ec5b3b3f924c4568e5a2a255bd4e74f8f3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52b1957247e63daf0b5346c464f55ec5b3b3f924c4568e5a2a255bd4e74f8f3f", kill_on_drop: false }` [INFO] [stdout] 52b1957247e63daf0b5346c464f55ec5b3b3f924c4568e5a2a255bd4e74f8f3f [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16c67eba151c2570ca779dbbbbea51b57b3694c26277be368cbd5bb743c3a2f7 [INFO] running `Command { std: "docker" "start" "-a" "16c67eba151c2570ca779dbbbbea51b57b3694c26277be368cbd5bb743c3a2f7", kill_on_drop: false }` [INFO] [stderr] Checking str-chunks v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:92:19 [INFO] [stdout] | [INFO] [stdout] 92 | fn str_chunks(&self, chunk_size: usize) -> StrChunks; [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [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] 92 | fn str_chunks(&self, chunk_size: usize) -> StrChunks<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:123:25 [INFO] [stdout] | [INFO] [stdout] 123 | fn str_chunks_exact(&self, chunk_size: usize) -> StrChunksExact; [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] 123 | fn str_chunks_exact(&self, chunk_size: usize) -> StrChunksExact<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:154:20 [INFO] [stdout] | [INFO] [stdout] 154 | fn str_rchunks(&self, chunk_size: usize) -> StrRChunks; [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] 154 | fn str_rchunks(&self, chunk_size: usize) -> StrRChunks<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:187:26 [INFO] [stdout] | [INFO] [stdout] 187 | fn str_rchunks_exact(&self, chunk_size: usize) -> StrRChunksExact; [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] 187 | fn str_rchunks_exact(&self, chunk_size: usize) -> StrRChunksExact<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:190:19 [INFO] [stdout] | [INFO] [stdout] 190 | fn str_chunks(&self, chunk_size: usize) -> StrChunks { [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] 190 | fn str_chunks(&self, chunk_size: usize) -> StrChunks<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:195:25 [INFO] [stdout] | [INFO] [stdout] 195 | fn str_chunks_exact(&self, chunk_size: usize) -> StrChunksExact { [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] 195 | fn str_chunks_exact(&self, chunk_size: usize) -> StrChunksExact<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:200:20 [INFO] [stdout] | [INFO] [stdout] 200 | fn str_rchunks(&self, chunk_size: usize) -> StrRChunks { [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] 200 | fn str_rchunks(&self, chunk_size: usize) -> StrRChunks<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:205:26 [INFO] [stdout] | [INFO] [stdout] 205 | fn str_rchunks_exact(&self, chunk_size: usize) -> StrRChunksExact { [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] 205 | fn str_rchunks_exact(&self, chunk_size: usize) -> StrRChunksExact<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:216:26 [INFO] [stdout] | [INFO] [stdout] 216 | fn valid_split_points(s: &str) -> Chain> { [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] 216 | fn valid_split_points(s: &str) -> Chain, Once<(usize, char)>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:92:19 [INFO] [stdout] | [INFO] [stdout] 92 | fn str_chunks(&self, chunk_size: usize) -> StrChunks; [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [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] 92 | fn str_chunks(&self, chunk_size: usize) -> StrChunks<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:123:25 [INFO] [stdout] | [INFO] [stdout] 123 | fn str_chunks_exact(&self, chunk_size: usize) -> StrChunksExact; [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] 123 | fn str_chunks_exact(&self, chunk_size: usize) -> StrChunksExact<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:154:20 [INFO] [stdout] | [INFO] [stdout] 154 | fn str_rchunks(&self, chunk_size: usize) -> StrRChunks; [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] 154 | fn str_rchunks(&self, chunk_size: usize) -> StrRChunks<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:187:26 [INFO] [stdout] | [INFO] [stdout] 187 | fn str_rchunks_exact(&self, chunk_size: usize) -> StrRChunksExact; [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] 187 | fn str_rchunks_exact(&self, chunk_size: usize) -> StrRChunksExact<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:190:19 [INFO] [stdout] | [INFO] [stdout] 190 | fn str_chunks(&self, chunk_size: usize) -> StrChunks { [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] 190 | fn str_chunks(&self, chunk_size: usize) -> StrChunks<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:195:25 [INFO] [stdout] | [INFO] [stdout] 195 | fn str_chunks_exact(&self, chunk_size: usize) -> StrChunksExact { [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] 195 | fn str_chunks_exact(&self, chunk_size: usize) -> StrChunksExact<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:200:20 [INFO] [stdout] | [INFO] [stdout] 200 | fn str_rchunks(&self, chunk_size: usize) -> StrRChunks { [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] 200 | fn str_rchunks(&self, chunk_size: usize) -> StrRChunks<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:205:26 [INFO] [stdout] | [INFO] [stdout] 205 | fn str_rchunks_exact(&self, chunk_size: usize) -> StrRChunksExact { [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] 205 | fn str_rchunks_exact(&self, chunk_size: usize) -> StrRChunksExact<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/str_chunks.rs:216:26 [INFO] [stdout] | [INFO] [stdout] 216 | fn valid_split_points(s: &str) -> Chain> { [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] 216 | fn valid_split_points(s: &str) -> Chain, Once<(usize, char)>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "16c67eba151c2570ca779dbbbbea51b57b3694c26277be368cbd5bb743c3a2f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16c67eba151c2570ca779dbbbbea51b57b3694c26277be368cbd5bb743c3a2f7", kill_on_drop: false }` [INFO] [stdout] 16c67eba151c2570ca779dbbbbea51b57b3694c26277be368cbd5bb743c3a2f7