[INFO] fetching crate tree-struct 0.1.1... [INFO] checking tree-struct-0.1.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate tree-struct 0.1.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate tree-struct 0.1.1 [INFO] finished tweaking crates.io crate tree-struct 0.1.1 [INFO] tweaked toml for crates.io crate tree-struct 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tree-struct 0.1.1 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 1 package to latest compatible version [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 81d78e184d1e0bb71ea7fa37f90db2021bb370891c57325dad787fe603504248 [INFO] running `Command { std: "docker" "start" "-a" "81d78e184d1e0bb71ea7fa37f90db2021bb370891c57325dad787fe603504248", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81d78e184d1e0bb71ea7fa37f90db2021bb370891c57325dad787fe603504248", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81d78e184d1e0bb71ea7fa37f90db2021bb370891c57325dad787fe603504248", kill_on_drop: false }` [INFO] [stdout] 81d78e184d1e0bb71ea7fa37f90db2021bb370891c57325dad787fe603504248 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3ea66fb7842dc6c75bf731310ac8dca84cc933e44c28726ac52e7af6ee92a4bb [INFO] running `Command { std: "docker" "start" "-a" "3ea66fb7842dc6c75bf731310ac8dca84cc933e44c28726ac52e7af6ee92a4bb", kill_on_drop: false }` [INFO] [stderr] Checking ptrplus v2.1.0 [INFO] [stderr] Checking tree-struct v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:86:21 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn iter_bfs(&self) -> IterBFS { [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] 86 | pub fn iter_bfs(&self) -> IterBFS<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:91:21 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn iter_dfs(&self) -> IterDFS { [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] 91 | pub fn iter_dfs(&self) -> IterDFS<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:237:21 [INFO] [stdout] | [INFO] [stdout] 237 | pub fn iter_bfs(&self) -> IterBFS { [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] 237 | pub fn iter_bfs(&self) -> IterBFS<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:242:21 [INFO] [stdout] | [INFO] [stdout] 242 | pub fn iter_dfs(&self) -> IterDFS { [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] 242 | pub fn iter_dfs(&self) -> IterDFS<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:318:23 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn debug_tree(&self) -> DebugTree { [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] 318 | pub fn debug_tree(&self) -> DebugTree<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:86:21 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn iter_bfs(&self) -> IterBFS { [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] 86 | pub fn iter_bfs(&self) -> IterBFS<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:91:21 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn iter_dfs(&self) -> IterDFS { [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] 91 | pub fn iter_dfs(&self) -> IterDFS<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:237:21 [INFO] [stdout] | [INFO] [stdout] 237 | pub fn iter_bfs(&self) -> IterBFS { [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] 237 | pub fn iter_bfs(&self) -> IterBFS<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:242:21 [INFO] [stdout] | [INFO] [stdout] 242 | pub fn iter_dfs(&self) -> IterDFS { [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] 242 | pub fn iter_dfs(&self) -> IterDFS<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:318:23 [INFO] [stdout] | [INFO] [stdout] 318 | pub fn debug_tree(&self) -> DebugTree { [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] 318 | pub fn debug_tree(&self) -> DebugTree<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "3ea66fb7842dc6c75bf731310ac8dca84cc933e44c28726ac52e7af6ee92a4bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ea66fb7842dc6c75bf731310ac8dca84cc933e44c28726ac52e7af6ee92a4bb", kill_on_drop: false }` [INFO] [stdout] 3ea66fb7842dc6c75bf731310ac8dca84cc933e44c28726ac52e7af6ee92a4bb