[INFO] fetching crate fast_input 0.2.0... [INFO] checking fast_input-0.2.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate fast_input 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate fast_input 0.2.0 [INFO] finished tweaking crates.io crate fast_input 0.2.0 [INFO] tweaked toml for crates.io crate fast_input 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fast_input 0.2.0 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 fast_input 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6eeed5419ff50adb4a5bdeb3e0433707e1240360fb6471c3d230f5db150e8023 [INFO] running `Command { std: "docker" "start" "-a" "6eeed5419ff50adb4a5bdeb3e0433707e1240360fb6471c3d230f5db150e8023", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6eeed5419ff50adb4a5bdeb3e0433707e1240360fb6471c3d230f5db150e8023", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6eeed5419ff50adb4a5bdeb3e0433707e1240360fb6471c3d230f5db150e8023", kill_on_drop: false }` [INFO] [stdout] 6eeed5419ff50adb4a5bdeb3e0433707e1240360fb6471c3d230f5db150e8023 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e7397815a33707b445b64fa1bee556998ebc7244a6540910a59220ac6088cf49 [INFO] running `Command { std: "docker" "start" "-a" "e7397815a33707b445b64fa1bee556998ebc7244a6540910a59220ac6088cf49", kill_on_drop: false }` [INFO] [stderr] Checking fast_input v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:184:45 [INFO] [stdout] | [INFO] [stdout] 184 | pub fn next_as_iter<'a, T: FParse<'a>>(&'a self) -> impl Iterator + '_ { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 184 - pub fn next_as_iter<'a, T: FParse<'a>>(&'a self) -> impl Iterator + '_ { [INFO] [stdout] 184 + pub fn next_as_iter<'a, T: FParse<'a>>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:204:28 [INFO] [stdout] | [INFO] [stdout] 204 | pub fn next_split<'a>(&'a self) -> impl Iterator + '_ { [INFO] [stdout] | ^^ -- -- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 204 - pub fn next_split<'a>(&'a self) -> impl Iterator + '_ { [INFO] [stdout] 204 + pub fn next_split<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:259:23 [INFO] [stdout] | [INFO] [stdout] 259 | pub fn lines<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | ^^ ---- -- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 259 | pub fn lines<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:184:45 [INFO] [stdout] | [INFO] [stdout] 184 | pub fn next_as_iter<'a, T: FParse<'a>>(&'a self) -> impl Iterator + '_ { [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 184 - pub fn next_as_iter<'a, T: FParse<'a>>(&'a self) -> impl Iterator + '_ { [INFO] [stdout] 184 + pub fn next_as_iter<'a, T: FParse<'a>>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:204:28 [INFO] [stdout] | [INFO] [stdout] 204 | pub fn next_split<'a>(&'a self) -> impl Iterator + '_ { [INFO] [stdout] | ^^ -- -- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 204 - pub fn next_split<'a>(&'a self) -> impl Iterator + '_ { [INFO] [stdout] 204 + pub fn next_split<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:259:23 [INFO] [stdout] | [INFO] [stdout] 259 | pub fn lines<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | ^^ ---- -- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 259 | pub fn lines<'a>(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "e7397815a33707b445b64fa1bee556998ebc7244a6540910a59220ac6088cf49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7397815a33707b445b64fa1bee556998ebc7244a6540910a59220ac6088cf49", kill_on_drop: false }` [INFO] [stdout] e7397815a33707b445b64fa1bee556998ebc7244a6540910a59220ac6088cf49