[INFO] fetching crate rs_taskflow 0.1.0... [INFO] checking rs_taskflow-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate rs_taskflow 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate rs_taskflow 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate rs_taskflow 0.1.0 [INFO] tweaked toml for crates.io crate rs_taskflow 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rs_taskflow 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rs_taskflow_derive v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 816a712bfa4a9e74945275a4669d10114d8741536b26c95456660df60aed8f6a [INFO] running `Command { std: "docker" "start" "-a" "816a712bfa4a9e74945275a4669d10114d8741536b26c95456660df60aed8f6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "816a712bfa4a9e74945275a4669d10114d8741536b26c95456660df60aed8f6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "816a712bfa4a9e74945275a4669d10114d8741536b26c95456660df60aed8f6a", kill_on_drop: false }` [INFO] [stdout] 816a712bfa4a9e74945275a4669d10114d8741536b26c95456660df60aed8f6a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c5f7d807420d237edc08c2f7d6c2246a5cda7095aa8699f7bb6da15e175878d [INFO] running `Command { std: "docker" "start" "-a" "6c5f7d807420d237edc08c2f7d6c2246a5cda7095aa8699f7bb6da15e175878d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking dyn-clone v1.0.19 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling rs_taskflow_derive v0.1.0 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Checking rs_taskflow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/dag.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_node(&self, node_id: NodeId) -> RwLockReadGuard> { [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_node(&self, node_id: NodeId) -> RwLockReadGuard<'_, Node> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/dag.rs:47:25 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn get_mut_node(&self, node_id: NodeId) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^ ------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 47 | pub fn get_mut_node(&self, node_id: NodeId) -> RwLockWriteGuard<'_, Node> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/dag.rs:64:22 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn build_bfs(&self) -> Result, &str> { [INFO] [stdout] | ^^^^^ -------------------- ---- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn build_bfs(&self) -> Result, &str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/visit.rs:106:18 [INFO] [stdout] | [INFO] [stdout] 106 | fn get_roots(&self) -> Ref> { [INFO] [stdout] | ^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 106 | fn get_roots(&self) -> Ref<'_, HashSet> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/visit.rs:117:36 [INFO] [stdout] | [INFO] [stdout] 117 | pub(crate) fn get_dependencies(&self, node_id: NodeId) -> Ref> { [INFO] [stdout] | ^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 117 | pub(crate) fn get_dependencies(&self, node_id: NodeId) -> Ref<'_, HashSet> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/visit.rs:143:17 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn next(&self) -> Option>> { [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 143 | pub fn next(&self) -> Option>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/execution.rs:29:18 [INFO] [stdout] | [INFO] [stdout] 29 | fn get_waker(&self) -> MutexGuard> { [INFO] [stdout] | ^^^^^ ------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 29 | fn get_waker(&self) -> MutexGuard<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/dag.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_node(&self, node_id: NodeId) -> RwLockReadGuard> { [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_node(&self, node_id: NodeId) -> RwLockReadGuard<'_, Node> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/flow.rs:79:37 [INFO] [stdout] | [INFO] [stdout] 79 | pub(crate) fn get_task_by_id(&self, task_id: usize) -> TaskReadHandle { [INFO] [stdout] | ^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 79 | pub(crate) fn get_task_by_id(&self, task_id: usize) -> TaskReadHandle<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/dag.rs:47:25 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn get_mut_node(&self, node_id: NodeId) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^ ------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 47 | pub fn get_mut_node(&self, node_id: NodeId) -> RwLockWriteGuard<'_, Node> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/flow.rs:86:31 [INFO] [stdout] | [INFO] [stdout] 86 | pub(crate) fn get_task(&self, task_handle: &TaskHandle) -> TaskReadHandle { [INFO] [stdout] | ^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 86 | pub(crate) fn get_task(&self, task_handle: &TaskHandle) -> TaskReadHandle<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/flow.rs:90:35 [INFO] [stdout] | [INFO] [stdout] 90 | pub(crate) fn get_mut_task(&self, task_handle: &TaskHandle) -> TaskWriteHandle { [INFO] [stdout] | ^^^^^ ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 90 | pub(crate) fn get_mut_task(&self, task_handle: &TaskHandle) -> TaskWriteHandle<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/dag.rs:64:22 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn build_bfs(&self) -> Result, &str> { [INFO] [stdout] | ^^^^^ -------------------- ---- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn build_bfs(&self) -> Result, &str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/visit.rs:106:18 [INFO] [stdout] | [INFO] [stdout] 106 | fn get_roots(&self) -> Ref> { [INFO] [stdout] | ^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 106 | fn get_roots(&self) -> Ref<'_, HashSet> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/visit.rs:117:36 [INFO] [stdout] | [INFO] [stdout] 117 | pub(crate) fn get_dependencies(&self, node_id: NodeId) -> Ref> { [INFO] [stdout] | ^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 117 | pub(crate) fn get_dependencies(&self, node_id: NodeId) -> Ref<'_, HashSet> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/dag/visit.rs:143:17 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn next(&self) -> Option>> { [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 143 | pub fn next(&self) -> Option>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/execution.rs:29:18 [INFO] [stdout] | [INFO] [stdout] 29 | fn get_waker(&self) -> MutexGuard> { [INFO] [stdout] | ^^^^^ ------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 29 | fn get_waker(&self) -> MutexGuard<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/flow.rs:79:37 [INFO] [stdout] | [INFO] [stdout] 79 | pub(crate) fn get_task_by_id(&self, task_id: usize) -> TaskReadHandle { [INFO] [stdout] | ^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 79 | pub(crate) fn get_task_by_id(&self, task_id: usize) -> TaskReadHandle<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/flow.rs:86:31 [INFO] [stdout] | [INFO] [stdout] 86 | pub(crate) fn get_task(&self, task_handle: &TaskHandle) -> TaskReadHandle { [INFO] [stdout] | ^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 86 | pub(crate) fn get_task(&self, task_handle: &TaskHandle) -> TaskReadHandle<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/flow.rs:90:35 [INFO] [stdout] | [INFO] [stdout] 90 | pub(crate) fn get_mut_task(&self, task_handle: &TaskHandle) -> TaskWriteHandle { [INFO] [stdout] | ^^^^^ ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 90 | pub(crate) fn get_mut_task(&self, task_handle: &TaskHandle) -> TaskWriteHandle<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.45s [INFO] running `Command { std: "docker" "inspect" "6c5f7d807420d237edc08c2f7d6c2246a5cda7095aa8699f7bb6da15e175878d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c5f7d807420d237edc08c2f7d6c2246a5cda7095aa8699f7bb6da15e175878d", kill_on_drop: false }` [INFO] [stdout] 6c5f7d807420d237edc08c2f7d6c2246a5cda7095aa8699f7bb6da15e175878d