[INFO] fetching crate grove 0.2.0... [INFO] checking grove-0.2.0 against try#39605810efb1a0d52f955bfba9e4eec7a01d5deb for pr-153692 [INFO] extracting crate grove 0.2.0 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate grove 0.2.0 on toolchain 39605810efb1a0d52f955bfba9e4eec7a01d5deb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 909efbd9d9105fb420b82429d60534a93d21c0447e6c13bc900954907cec7c7a [INFO] running `Command { std: "docker" "start" "-a" "909efbd9d9105fb420b82429d60534a93d21c0447e6c13bc900954907cec7c7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "909efbd9d9105fb420b82429d60534a93d21c0447e6c13bc900954907cec7c7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "909efbd9d9105fb420b82429d60534a93d21c0447e6c13bc900954907cec7c7a", kill_on_drop: false }` [INFO] [stdout] 909efbd9d9105fb420b82429d60534a93d21c0447e6c13bc900954907cec7c7a [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae39b85a9747a12298296c645799ed9b9e4085846a1f24a50a24d90c4073e80a [INFO] running `Command { std: "docker" "start" "-a" "ae39b85a9747a12298296c645799ed9b9e4085846a1f24a50a24d90c4073e80a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking text_io v0.1.8 [INFO] [stderr] Checking recursive_reference v0.3.0 [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `self` parameter type does not contain `Self` [INFO] [stdout] --> src/trees/splay.rs:356:21 [INFO] [stdout] | [INFO] [stdout] 356 | fn walker(self: &'a mut SplayTree) -> SplayWalker<'a, D> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: use `&self`, `&mut self`, or `self: &Self` for correct lifetime elision [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #140611 [INFO] [stdout] = note: `#[deny(self_lifetime_elision_not_applicable)]` (part of `#[deny(future_incompatible)]`) 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `self` parameter type does not contain `Self` [INFO] [stdout] --> src/trees/splay.rs:356:21 [INFO] [stdout] | [INFO] [stdout] 356 | fn walker(self: &'a mut SplayTree) -> SplayWalker<'a, D> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: use `&self`, `&mut self`, or `self: &Self` for correct lifetime elision [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #140611 [INFO] [stdout] = note: `#[deny(self_lifetime_elision_not_applicable)]` (part of `#[deny(future_incompatible)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type 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: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 282 | pub fn detached_walker(&mut self) -> BasicWalker<'_, D, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/trees/splay.rs:65:25 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn basic_walker(&mut self) -> BasicWalker { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 65 | pub fn basic_walker(&mut self) -> BasicWalker<'_, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 75 | fn slice>(&mut self, locator: L) -> slice::Slice<'_, D, Self, L> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `grove` (lib test) due to 1 previous error; 4 warnings emitted [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 282 | pub fn detached_walker(&mut self) -> BasicWalker<'_, D, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/trees/splay.rs:65:25 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn basic_walker(&mut self) -> BasicWalker { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 65 | pub fn basic_walker(&mut self) -> BasicWalker<'_, D> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `grove` (lib) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ae39b85a9747a12298296c645799ed9b9e4085846a1f24a50a24d90c4073e80a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae39b85a9747a12298296c645799ed9b9e4085846a1f24a50a24d90c4073e80a", kill_on_drop: false }` [INFO] [stdout] ae39b85a9747a12298296c645799ed9b9e4085846a1f24a50a24d90c4073e80a