[INFO] fetching crate dograph 0.8.4... [INFO] checking dograph-0.8.4 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate dograph 0.8.4 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate dograph 0.8.4 [INFO] finished tweaking crates.io crate dograph 0.8.4 [INFO] tweaked toml for crates.io crate dograph 0.8.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dograph 0.8.4 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 27 packages to latest compatible versions [INFO] [stderr] Adding fixedbitset v0.4.2 (available: v0.5.7) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding rand_distr v0.4.3 (available: v0.5.1) [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] [stderr] Blocking waiting for file lock on package cache [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4f75163276c6ab3031a65e4329385dc2a70815d9eebe595ab8cfe24b06f0a7ab [INFO] running `Command { std: "docker" "start" "-a" "4f75163276c6ab3031a65e4329385dc2a70815d9eebe595ab8cfe24b06f0a7ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f75163276c6ab3031a65e4329385dc2a70815d9eebe595ab8cfe24b06f0a7ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f75163276c6ab3031a65e4329385dc2a70815d9eebe595ab8cfe24b06f0a7ab", kill_on_drop: false }` [INFO] [stdout] 4f75163276c6ab3031a65e4329385dc2a70815d9eebe595ab8cfe24b06f0a7ab [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 012c9282e4259c3d6efeb536576049e7c6fe7b11fd3342c3a63e168d8cf75322 [INFO] running `Command { std: "docker" "start" "-a" "012c9282e4259c3d6efeb536576049e7c6fe7b11fd3342c3a63e168d8cf75322", kill_on_drop: false }` [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking dograph v0.8.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:54:34 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn iter_descendants_bfs(dag: &DirectedAcyclicGraph, vertex: usize) -> BfsVerticesIterator { [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] 54 | pub fn iter_descendants_bfs(dag: &DirectedAcyclicGraph, vertex: usize) -> BfsVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:63:31 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn iter_vertices_bfs(dag: &DirectedAcyclicGraph) -> BfsVerticesIterator { [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] 63 | pub fn iter_vertices_bfs(dag: &DirectedAcyclicGraph) -> BfsVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:96:34 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn iter_descendants_dfs(dag: &DirectedAcyclicGraph, vertex: usize) -> DfsVerticesIterator { [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] 96 | pub fn iter_descendants_dfs(dag: &DirectedAcyclicGraph, vertex: usize) -> DfsVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:105:31 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn iter_vertices_dfs(dag: &DirectedAcyclicGraph) -> DfsVerticesIterator { [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] 105 | pub fn iter_vertices_dfs(dag: &DirectedAcyclicGraph) -> DfsVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:155:10 [INFO] [stdout] | [INFO] [stdout] 155 | dag: &DirectedAcyclicGraph, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here [INFO] [stdout] 156 | vertex: usize, [INFO] [stdout] 157 | ) -> DfsPostOrderVerticesIterator { [INFO] [stdout] | ---------------------------- 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] 157 | ) -> DfsPostOrderVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:167:42 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn iter_vertices_dfs_post_order(dag: &DirectedAcyclicGraph) -> DfsPostOrderVerticesIterator { [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] 167 | pub fn iter_vertices_dfs_post_order(dag: &DirectedAcyclicGraph) -> DfsPostOrderVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:213:39 [INFO] [stdout] | [INFO] [stdout] 213 | pub fn iter_edges_dfs_post_order(dag: &DirectedAcyclicGraph) -> DfsPostOrderEdgesIterator { [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] 213 | pub fn iter_edges_dfs_post_order(dag: &DirectedAcyclicGraph) -> DfsPostOrderEdgesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:54:34 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn iter_descendants_bfs(dag: &DirectedAcyclicGraph, vertex: usize) -> BfsVerticesIterator { [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] 54 | pub fn iter_descendants_bfs(dag: &DirectedAcyclicGraph, vertex: usize) -> BfsVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:63:31 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn iter_vertices_bfs(dag: &DirectedAcyclicGraph) -> BfsVerticesIterator { [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] 63 | pub fn iter_vertices_bfs(dag: &DirectedAcyclicGraph) -> BfsVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:96:34 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn iter_descendants_dfs(dag: &DirectedAcyclicGraph, vertex: usize) -> DfsVerticesIterator { [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] 96 | pub fn iter_descendants_dfs(dag: &DirectedAcyclicGraph, vertex: usize) -> DfsVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:105:31 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn iter_vertices_dfs(dag: &DirectedAcyclicGraph) -> DfsVerticesIterator { [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] 105 | pub fn iter_vertices_dfs(dag: &DirectedAcyclicGraph) -> DfsVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:155:10 [INFO] [stdout] | [INFO] [stdout] 155 | dag: &DirectedAcyclicGraph, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here [INFO] [stdout] 156 | vertex: usize, [INFO] [stdout] 157 | ) -> DfsPostOrderVerticesIterator { [INFO] [stdout] | ---------------------------- 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] 157 | ) -> DfsPostOrderVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:167:42 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn iter_vertices_dfs_post_order(dag: &DirectedAcyclicGraph) -> DfsPostOrderVerticesIterator { [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] 167 | pub fn iter_vertices_dfs_post_order(dag: &DirectedAcyclicGraph) -> DfsPostOrderVerticesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/traversal.rs:213:39 [INFO] [stdout] | [INFO] [stdout] 213 | pub fn iter_edges_dfs_post_order(dag: &DirectedAcyclicGraph) -> DfsPostOrderEdgesIterator { [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] 213 | pub fn iter_edges_dfs_post_order(dag: &DirectedAcyclicGraph) -> DfsPostOrderEdgesIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.28s [INFO] running `Command { std: "docker" "inspect" "012c9282e4259c3d6efeb536576049e7c6fe7b11fd3342c3a63e168d8cf75322", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "012c9282e4259c3d6efeb536576049e7c6fe7b11fd3342c3a63e168d8cf75322", kill_on_drop: false }` [INFO] [stdout] 012c9282e4259c3d6efeb536576049e7c6fe7b11fd3342c3a63e168d8cf75322