[INFO] fetching crate skog 0.1.0... [INFO] checking skog-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate skog 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate skog 0.1.0 [INFO] finished tweaking crates.io crate skog 0.1.0 [INFO] tweaked toml for crates.io crate skog 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate skog 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate skog 0.1.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9df9101455bfcf614ee0c076fdbdf304fadf18fe7e54f143bc0bca35c167eb25 [INFO] running `Command { std: "docker" "start" "-a" "9df9101455bfcf614ee0c076fdbdf304fadf18fe7e54f143bc0bca35c167eb25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9df9101455bfcf614ee0c076fdbdf304fadf18fe7e54f143bc0bca35c167eb25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9df9101455bfcf614ee0c076fdbdf304fadf18fe7e54f143bc0bca35c167eb25", kill_on_drop: false }` [INFO] [stdout] 9df9101455bfcf614ee0c076fdbdf304fadf18fe7e54f143bc0bca35c167eb25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f39646ba47371dba11c7d45094bcef0ab5fc40b6a304dc00a357186a8e795db4 [INFO] running `Command { std: "docker" "start" "-a" "f39646ba47371dba11c7d45094bcef0ab5fc40b6a304dc00a357186a8e795db4", kill_on_drop: false }` [INFO] [stderr] Checking skog v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `move_prev` is never used [INFO] [stdout] --> src/lib.rs:115:8 [INFO] [stdout] | [INFO] [stdout] 112 | trait CursorLike { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 115 | fn move_prev(&mut self); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `find_edge_reverse` is never used [INFO] [stdout] --> src/lib.rs:440:8 [INFO] [stdout] | [INFO] [stdout] 403 | impl<'a, T> Cursor<'a, T> { [INFO] [stdout] | ------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 440 | fn find_edge_reverse(&mut self, edge: ForestEdge) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:285:13 [INFO] [stdout] | [INFO] [stdout] 285 | Box::from_raw(self.node); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 285 | let _ = Box::from_raw(self.node); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:578:17 [INFO] [stdout] | [INFO] [stdout] 578 | pub fn root(&self) -> Cursor { [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] 578 | pub fn root(&self) -> Cursor<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:582:21 [INFO] [stdout] | [INFO] [stdout] 582 | pub fn root_mut(&mut self) -> CursorMut { [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] 582 | pub fn root_mut(&mut self) -> CursorMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:587:18 [INFO] [stdout] | [INFO] [stdout] 587 | pub fn begin(&self) -> Cursor { [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] 587 | pub fn begin(&self) -> Cursor<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:591:22 [INFO] [stdout] | [INFO] [stdout] 591 | pub fn begin_mut(&mut self) -> CursorMut { [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] 591 | pub fn begin_mut(&mut self) -> CursorMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:597:16 [INFO] [stdout] | [INFO] [stdout] 597 | pub fn end(&self) -> Cursor { [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] 597 | pub fn end(&self) -> Cursor<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:601:20 [INFO] [stdout] | [INFO] [stdout] 601 | pub fn end_mut(&mut self) -> CursorMut { [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] 601 | pub fn end_mut(&mut self) -> CursorMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `move_prev` is never used [INFO] [stdout] --> src/lib.rs:115:8 [INFO] [stdout] | [INFO] [stdout] 112 | trait CursorLike { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 115 | fn move_prev(&mut self); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `find_edge_reverse` is never used [INFO] [stdout] --> src/lib.rs:440:8 [INFO] [stdout] | [INFO] [stdout] 403 | impl<'a, T> Cursor<'a, T> { [INFO] [stdout] | ------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 440 | fn find_edge_reverse(&mut self, edge: ForestEdge) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:285:13 [INFO] [stdout] | [INFO] [stdout] 285 | Box::from_raw(self.node); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 285 | let _ = Box::from_raw(self.node); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:578:17 [INFO] [stdout] | [INFO] [stdout] 578 | pub fn root(&self) -> Cursor { [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] 578 | pub fn root(&self) -> Cursor<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:582:21 [INFO] [stdout] | [INFO] [stdout] 582 | pub fn root_mut(&mut self) -> CursorMut { [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] 582 | pub fn root_mut(&mut self) -> CursorMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:587:18 [INFO] [stdout] | [INFO] [stdout] 587 | pub fn begin(&self) -> Cursor { [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] 587 | pub fn begin(&self) -> Cursor<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:591:22 [INFO] [stdout] | [INFO] [stdout] 591 | pub fn begin_mut(&mut self) -> CursorMut { [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] 591 | pub fn begin_mut(&mut self) -> CursorMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:597:16 [INFO] [stdout] | [INFO] [stdout] 597 | pub fn end(&self) -> Cursor { [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] 597 | pub fn end(&self) -> Cursor<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:601:20 [INFO] [stdout] | [INFO] [stdout] 601 | pub fn end_mut(&mut self) -> CursorMut { [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] 601 | pub fn end_mut(&mut self) -> CursorMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "f39646ba47371dba11c7d45094bcef0ab5fc40b6a304dc00a357186a8e795db4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f39646ba47371dba11c7d45094bcef0ab5fc40b6a304dc00a357186a8e795db4", kill_on_drop: false }` [INFO] [stdout] f39646ba47371dba11c7d45094bcef0ab5fc40b6a304dc00a357186a8e795db4