[INFO] fetching crate pi_tree 0.1.0... [INFO] building pi_tree-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate pi_tree 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate pi_tree 0.1.0 [INFO] finished tweaking crates.io crate pi_tree 0.1.0 [INFO] tweaked toml for crates.io crate pi_tree 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pi_tree 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] [stderr] Adding pi_slotmap v0.1.17 (available: v0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b26b5c6cf5870635bc891710de87ddd78bdec818cf94482c63642892c25cc72 [INFO] running `Command { std: "docker" "start" "-a" "6b26b5c6cf5870635bc891710de87ddd78bdec818cf94482c63642892c25cc72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b26b5c6cf5870635bc891710de87ddd78bdec818cf94482c63642892c25cc72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b26b5c6cf5870635bc891710de87ddd78bdec818cf94482c63642892c25cc72", kill_on_drop: false }` [INFO] [stdout] 6b26b5c6cf5870635bc891710de87ddd78bdec818cf94482c63642892c25cc72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 167becdaa6f74be8753fad89b4516d94527c121083e1c2b2537c8846c33f58d4 [INFO] running `Command { std: "docker" "start" "-a" "167becdaa6f74be8753fad89b4516d94527c121083e1c2b2537c8846c33f58d4", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling pi_null v0.1.12 [INFO] [stderr] Compiling pi_share v0.4.16 [INFO] [stderr] Compiling pi_slotmap v0.1.17 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling crossbeam v0.8.4 [INFO] [stderr] Compiling pi_key_alloter v0.5.2 [INFO] [stderr] Compiling pi_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn iter_mut(&mut self, node_children_head: Option) -> ChildrenMutIterator { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 183 | pub fn iter_mut(&mut self, node_children_head: Option) -> ChildrenMutIterator<'_, K, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:190:17 [INFO] [stdout] | [INFO] [stdout] 190 | pub fn iter(&self, node_children_head: Option) -> ChildrenIterator { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 190 | pub fn iter(&self, node_children_head: Option) -> ChildrenIterator<'_, K, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:197:27 [INFO] [stdout] | [INFO] [stdout] 197 | pub fn recursive_iter(&self, node_children_head: Option) -> RecursiveIterator { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 197 | pub fn recursive_iter(&self, node_children_head: Option) -> RecursiveIterator<'_, K, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.70s [INFO] running `Command { std: "docker" "inspect" "167becdaa6f74be8753fad89b4516d94527c121083e1c2b2537c8846c33f58d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "167becdaa6f74be8753fad89b4516d94527c121083e1c2b2537c8846c33f58d4", kill_on_drop: false }` [INFO] [stdout] 167becdaa6f74be8753fad89b4516d94527c121083e1c2b2537c8846c33f58d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5c5168cfbd51e89f4602d195c621b6ddf1e32e24d8369e9a60e47638cec9a19 [INFO] running `Command { std: "docker" "start" "-a" "d5c5168cfbd51e89f4602d195c621b6ddf1e32e24d8369e9a60e47638cec9a19", kill_on_drop: false }` [INFO] [stderr] Compiling pi_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn iter_mut(&mut self, node_children_head: Option) -> ChildrenMutIterator { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 183 | pub fn iter_mut(&mut self, node_children_head: Option) -> ChildrenMutIterator<'_, K, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:190:17 [INFO] [stdout] | [INFO] [stdout] 190 | pub fn iter(&self, node_children_head: Option) -> ChildrenIterator { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 190 | pub fn iter(&self, node_children_head: Option) -> ChildrenIterator<'_, K, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:197:27 [INFO] [stdout] | [INFO] [stdout] 197 | pub fn recursive_iter(&self, node_children_head: Option) -> RecursiveIterator { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 197 | pub fn recursive_iter(&self, node_children_head: Option) -> RecursiveIterator<'_, K, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn iter_mut(&mut self, node_children_head: Option) -> ChildrenMutIterator { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 183 | pub fn iter_mut(&mut self, node_children_head: Option) -> ChildrenMutIterator<'_, K, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:190:17 [INFO] [stdout] | [INFO] [stdout] 190 | pub fn iter(&self, node_children_head: Option) -> ChildrenIterator { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 190 | pub fn iter(&self, node_children_head: Option) -> ChildrenIterator<'_, K, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:197:27 [INFO] [stdout] | [INFO] [stdout] 197 | pub fn recursive_iter(&self, node_children_head: Option) -> RecursiveIterator { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 197 | pub fn recursive_iter(&self, node_children_head: Option) -> RecursiveIterator<'_, K, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "d5c5168cfbd51e89f4602d195c621b6ddf1e32e24d8369e9a60e47638cec9a19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5c5168cfbd51e89f4602d195c621b6ddf1e32e24d8369e9a60e47638cec9a19", kill_on_drop: false }` [INFO] [stdout] d5c5168cfbd51e89f4602d195c621b6ddf1e32e24d8369e9a60e47638cec9a19