[INFO] fetching crate rs-bush 0.1.8... [INFO] checking rs-bush-0.1.8 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate rs-bush 0.1.8 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate rs-bush 0.1.8 [INFO] finished tweaking crates.io crate rs-bush 0.1.8 [INFO] tweaked toml for crates.io crate rs-bush 0.1.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rs-bush 0.1.8 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2daa4841142e21a5672e174077b5743e79cd65cd98f64d01c2ca31673ca97da3 [INFO] running `Command { std: "docker" "start" "-a" "2daa4841142e21a5672e174077b5743e79cd65cd98f64d01c2ca31673ca97da3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2daa4841142e21a5672e174077b5743e79cd65cd98f64d01c2ca31673ca97da3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2daa4841142e21a5672e174077b5743e79cd65cd98f64d01c2ca31673ca97da3", kill_on_drop: false }` [INFO] [stdout] 2daa4841142e21a5672e174077b5743e79cd65cd98f64d01c2ca31673ca97da3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6636f9b4e86de43b36aef24f83313792f6cf46ec44c50a7d9d2306cc9185b4e4 [INFO] running `Command { std: "docker" "start" "-a" "6636f9b4e86de43b36aef24f83313792f6cf46ec44c50a7d9d2306cc9185b4e4", kill_on_drop: false }` [INFO] [stderr] Checking rs-bush v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:419:28 [INFO] [stdout] | [INFO] [stdout] 419 | pub fn iter_items_left(&self) -> IterItems> { [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] 419 | pub fn iter_items_left(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:425:29 [INFO] [stdout] | [INFO] [stdout] 425 | pub fn iter_items_right(&self) -> IterItems> { [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] 425 | pub fn iter_items_right(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:446:22 [INFO] [stdout] | [INFO] [stdout] 446 | pub fn bfs_nodes(&self) -> BFSIter { [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] 446 | pub fn bfs_nodes(&self) -> BFSIter<'_, 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/bush.rs:461:22 [INFO] [stdout] | [INFO] [stdout] 461 | pub fn dfs_nodes(&self) -> DFSIter { [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] 461 | pub fn dfs_nodes(&self) -> DFSIter<'_, 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/bush.rs:476:22 [INFO] [stdout] | [INFO] [stdout] 476 | pub fn bfs_items(&self) -> IterItems> { [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] 476 | pub fn bfs_items(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:481:22 [INFO] [stdout] | [INFO] [stdout] 481 | pub fn dfs_items(&self) -> IterItems> { [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] 481 | pub fn dfs_items(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:681:23 [INFO] [stdout] | [INFO] [stdout] 681 | pub fn iter_items(&self) -> IterItems> { [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] 681 | pub fn iter_items(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:687:27 [INFO] [stdout] | [INFO] [stdout] 687 | pub fn iter_items_mut(&mut self) -> IterItemsMut> { [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] 687 | pub fn iter_items_mut(&mut self) -> IterItemsMut> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:812:22 [INFO] [stdout] | [INFO] [stdout] 812 | pub fn bfs_nodes(&self) -> BFSIter { [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] 812 | pub fn bfs_nodes(&self) -> BFSIter<'_, 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/bush.rs:824:22 [INFO] [stdout] | [INFO] [stdout] 824 | pub fn dfs_nodes(&self) -> DFSIter { [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] 824 | pub fn dfs_nodes(&self) -> DFSIter<'_, 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/bush.rs:836:22 [INFO] [stdout] | [INFO] [stdout] 836 | pub fn bfs_items(&self) -> IterItems> { [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] 836 | pub fn bfs_items(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:842:22 [INFO] [stdout] | [INFO] [stdout] 842 | pub fn dfs_items(&self) -> IterItems> { [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] 842 | pub fn dfs_items(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:419:28 [INFO] [stdout] | [INFO] [stdout] 419 | pub fn iter_items_left(&self) -> IterItems> { [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] 419 | pub fn iter_items_left(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:425:29 [INFO] [stdout] | [INFO] [stdout] 425 | pub fn iter_items_right(&self) -> IterItems> { [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] 425 | pub fn iter_items_right(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:446:22 [INFO] [stdout] | [INFO] [stdout] 446 | pub fn bfs_nodes(&self) -> BFSIter { [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] 446 | pub fn bfs_nodes(&self) -> BFSIter<'_, 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/bush.rs:461:22 [INFO] [stdout] | [INFO] [stdout] 461 | pub fn dfs_nodes(&self) -> DFSIter { [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] 461 | pub fn dfs_nodes(&self) -> DFSIter<'_, 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/bush.rs:476:22 [INFO] [stdout] | [INFO] [stdout] 476 | pub fn bfs_items(&self) -> IterItems> { [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] 476 | pub fn bfs_items(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:481:22 [INFO] [stdout] | [INFO] [stdout] 481 | pub fn dfs_items(&self) -> IterItems> { [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] 481 | pub fn dfs_items(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:681:23 [INFO] [stdout] | [INFO] [stdout] 681 | pub fn iter_items(&self) -> IterItems> { [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] 681 | pub fn iter_items(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:687:27 [INFO] [stdout] | [INFO] [stdout] 687 | pub fn iter_items_mut(&mut self) -> IterItemsMut> { [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] 687 | pub fn iter_items_mut(&mut self) -> IterItemsMut> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:812:22 [INFO] [stdout] | [INFO] [stdout] 812 | pub fn bfs_nodes(&self) -> BFSIter { [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] 812 | pub fn bfs_nodes(&self) -> BFSIter<'_, 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/bush.rs:824:22 [INFO] [stdout] | [INFO] [stdout] 824 | pub fn dfs_nodes(&self) -> DFSIter { [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] 824 | pub fn dfs_nodes(&self) -> DFSIter<'_, 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/bush.rs:836:22 [INFO] [stdout] | [INFO] [stdout] 836 | pub fn bfs_items(&self) -> IterItems> { [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] 836 | pub fn bfs_items(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bush.rs:842:22 [INFO] [stdout] | [INFO] [stdout] 842 | pub fn dfs_items(&self) -> IterItems> { [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] 842 | pub fn dfs_items(&self) -> IterItems> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "6636f9b4e86de43b36aef24f83313792f6cf46ec44c50a7d9d2306cc9185b4e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6636f9b4e86de43b36aef24f83313792f6cf46ec44c50a7d9d2306cc9185b4e4", kill_on_drop: false }` [INFO] [stdout] 6636f9b4e86de43b36aef24f83313792f6cf46ec44c50a7d9d2306cc9185b4e4