[INFO] fetching crate grove 0.2.0... [INFO] checking grove-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate grove 0.2.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate grove 0.2.0 [INFO] finished tweaking crates.io crate grove 0.2.0 [INFO] tweaked toml for crates.io crate grove 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate grove 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] crate crates.io crate grove 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded derive_destructure v1.0.0 [INFO] [stderr] Downloaded recursive_reference v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 803214973c0db21b1f59cf130f92b6ee2029b658e4f8dd7785924af137f955a5 [INFO] running `Command { std: "docker" "start" "-a" "803214973c0db21b1f59cf130f92b6ee2029b658e4f8dd7785924af137f955a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "803214973c0db21b1f59cf130f92b6ee2029b658e4f8dd7785924af137f955a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "803214973c0db21b1f59cf130f92b6ee2029b658e4f8dd7785924af137f955a5", kill_on_drop: false }` [INFO] [stdout] 803214973c0db21b1f59cf130f92b6ee2029b658e4f8dd7785924af137f955a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 35df6437c6c44b24f5609930bacde4e9a37a257a08288330fc437ca62dbd7682 [INFO] running `Command { std: "docker" "start" "-a" "35df6437c6c44b24f5609930bacde4e9a37a257a08288330fc437ca62dbd7682", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking text_io v0.1.8 [INFO] [stderr] Checking recursive_reference v0.3.0 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling derive_destructure v1.0.0 [INFO] [stderr] Checking grove v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `implementations::*` [INFO] [stdout] --> src/trees/basic_tree/mod.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | pub use implementations::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `implementations::*` [INFO] [stdout] --> src/trees/basic_tree/mod.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | pub use implementations::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/trees/mod.rs:75:39 [INFO] [stdout] | [INFO] [stdout] 75 | fn slice>(&mut self, locator: L) -> slice::Slice { [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] 75 | fn slice>(&mut self, locator: L) -> slice::Slice<'_, D, Self, L> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/trees/basic_tree/walker.rs:282:28 [INFO] [stdout] | [INFO] [stdout] 282 | pub fn detached_walker(&mut self) -> BasicWalker { [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] 282 | pub fn detached_walker(&mut self) -> BasicWalker<'_, D, 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/trees/splay.rs:65:25 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn basic_walker(&mut self) -> BasicWalker { [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] 65 | pub fn basic_walker(&mut self) -> BasicWalker<'_, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/trees/mod.rs:75:39 [INFO] [stdout] | [INFO] [stdout] 75 | fn slice>(&mut self, locator: L) -> slice::Slice { [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] 75 | fn slice>(&mut self, locator: L) -> slice::Slice<'_, D, Self, L> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/trees/basic_tree/walker.rs:282:28 [INFO] [stdout] | [INFO] [stdout] 282 | pub fn detached_walker(&mut self) -> BasicWalker { [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] 282 | pub fn detached_walker(&mut self) -> BasicWalker<'_, D, 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/trees/splay.rs:65:25 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn basic_walker(&mut self) -> BasicWalker { [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] 65 | pub fn basic_walker(&mut self) -> BasicWalker<'_, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.89s [INFO] running `Command { std: "docker" "inspect" "35df6437c6c44b24f5609930bacde4e9a37a257a08288330fc437ca62dbd7682", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35df6437c6c44b24f5609930bacde4e9a37a257a08288330fc437ca62dbd7682", kill_on_drop: false }` [INFO] [stdout] 35df6437c6c44b24f5609930bacde4e9a37a257a08288330fc437ca62dbd7682