[INFO] fetching crate grove 0.2.0... [INFO] checking grove-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate grove 0.2.0 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate grove 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded text_io v0.1.8 [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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4ed658ef3114f74f7f70761649e1ffac082fa10d5c1da820ca120a9e17e124f [INFO] running `Command { std: "docker" "start" "-a" "f4ed658ef3114f74f7f70761649e1ffac082fa10d5c1da820ca120a9e17e124f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4ed658ef3114f74f7f70761649e1ffac082fa10d5c1da820ca120a9e17e124f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4ed658ef3114f74f7f70761649e1ffac082fa10d5c1da820ca120a9e17e124f", kill_on_drop: false }` [INFO] [stdout] f4ed658ef3114f74f7f70761649e1ffac082fa10d5c1da820ca120a9e17e124f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6c6663548a81aaa1cb4303d5c1b8e1a4f8dae99cc02fb8a652d56cca2455ce4 [INFO] running `Command { std: "docker" "start" "-a" "f6c6663548a81aaa1cb4303d5c1b8e1a4f8dae99cc02fb8a652d56cca2455ce4", 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: 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] [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.69s [INFO] running `Command { std: "docker" "inspect" "f6c6663548a81aaa1cb4303d5c1b8e1a4f8dae99cc02fb8a652d56cca2455ce4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6c6663548a81aaa1cb4303d5c1b8e1a4f8dae99cc02fb8a652d56cca2455ce4", kill_on_drop: false }` [INFO] [stdout] f6c6663548a81aaa1cb4303d5c1b8e1a4f8dae99cc02fb8a652d56cca2455ce4