[INFO] fetching crate ego-binary-tree 0.1.0... [INFO] checking ego-binary-tree-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate ego-binary-tree 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate ego-binary-tree 0.1.0 [INFO] finished tweaking crates.io crate ego-binary-tree 0.1.0 [INFO] tweaked toml for crates.io crate ego-binary-tree 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ego-binary-tree 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] [stderr] Adding ego-tree v0.6.3 (available: v0.10.0) [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] 2f66aa53bf7f1735ee0cd17512777b8ed2bd82a18d5b38ae3a13af44d35680e4 [INFO] running `Command { std: "docker" "start" "-a" "2f66aa53bf7f1735ee0cd17512777b8ed2bd82a18d5b38ae3a13af44d35680e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f66aa53bf7f1735ee0cd17512777b8ed2bd82a18d5b38ae3a13af44d35680e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f66aa53bf7f1735ee0cd17512777b8ed2bd82a18d5b38ae3a13af44d35680e4", kill_on_drop: false }` [INFO] [stdout] 2f66aa53bf7f1735ee0cd17512777b8ed2bd82a18d5b38ae3a13af44d35680e4 [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] 54788ab58928812444d35affc38e4c6c5ae464a14325ed359c37932cbdbf7bbf [INFO] running `Command { std: "docker" "start" "-a" "54788ab58928812444d35affc38e4c6c5ae464a14325ed359c37932cbdbf7bbf", kill_on_drop: false }` [INFO] [stderr] Checking ego-tree v0.6.3 [INFO] [stderr] Checking ego-binary-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn root(&self) -> BinaryNodeRef { [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] 19 | pub fn root(&self) -> BinaryNodeRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn root_mut(&mut self) -> BinaryNodeMut { [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] 24 | pub fn root_mut(&mut self) -> BinaryNodeMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:74:19 [INFO] [stdout] | [INFO] [stdout] 74 | fn left_inner(&mut self) -> NodeMut> { [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] 74 | fn left_inner(&mut self) -> NodeMut<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:78:20 [INFO] [stdout] | [INFO] [stdout] 78 | fn right_inner(&mut self) -> NodeMut> { [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] 78 | fn right_inner(&mut self) -> NodeMut<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:83:17 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn left(&mut self) -> Option> { [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] 83 | pub fn left(&mut self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:93:18 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn right(&mut self) -> Option> { [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] 93 | pub fn right(&mut self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:108:22 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn set_right(&mut self, value: T) -> BinaryNodeMut { [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] 108 | pub fn set_right(&mut self, value: T) -> BinaryNodeMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:120:21 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn set_left(&mut self, value: T) -> BinaryNodeMut { [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] 120 | pub fn set_left(&mut self, value: T) -> BinaryNodeMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn root(&self) -> BinaryNodeRef { [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] 19 | pub fn root(&self) -> BinaryNodeRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn root_mut(&mut self) -> BinaryNodeMut { [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] 24 | pub fn root_mut(&mut self) -> BinaryNodeMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:74:19 [INFO] [stdout] | [INFO] [stdout] 74 | fn left_inner(&mut self) -> NodeMut> { [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] 74 | fn left_inner(&mut self) -> NodeMut<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:78:20 [INFO] [stdout] | [INFO] [stdout] 78 | fn right_inner(&mut self) -> NodeMut> { [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] 78 | fn right_inner(&mut self) -> NodeMut<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:83:17 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn left(&mut self) -> Option> { [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] 83 | pub fn left(&mut self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:93:18 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn right(&mut self) -> Option> { [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] 93 | pub fn right(&mut self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:108:22 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn set_right(&mut self, value: T) -> BinaryNodeMut { [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] 108 | pub fn set_right(&mut self, value: T) -> BinaryNodeMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/binary_tree.rs:120:21 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn set_left(&mut self, value: T) -> BinaryNodeMut { [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] 120 | pub fn set_left(&mut self, value: T) -> BinaryNodeMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "54788ab58928812444d35affc38e4c6c5ae464a14325ed359c37932cbdbf7bbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54788ab58928812444d35affc38e4c6c5ae464a14325ed359c37932cbdbf7bbf", kill_on_drop: false }` [INFO] [stdout] 54788ab58928812444d35affc38e4c6c5ae464a14325ed359c37932cbdbf7bbf