[INFO] fetching crate prepona 0.1.0... [INFO] checking prepona-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate prepona 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate prepona 0.1.0 [INFO] finished tweaking crates.io crate prepona 0.1.0 [INFO] tweaked toml for crates.io crate prepona 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate prepona 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded magnitude v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84ff866a7cdf4e17123785a159864af5e08645b094e88396d1c0fc86fb10c376 [INFO] running `Command { std: "docker" "start" "-a" "84ff866a7cdf4e17123785a159864af5e08645b094e88396d1c0fc86fb10c376", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84ff866a7cdf4e17123785a159864af5e08645b094e88396d1c0fc86fb10c376", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84ff866a7cdf4e17123785a159864af5e08645b094e88396d1c0fc86fb10c376", kill_on_drop: false }` [INFO] [stdout] 84ff866a7cdf4e17123785a159864af5e08645b094e88396d1c0fc86fb10c376 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 594ed9f76f89eacfb479abb765eb3b544bddb76be25953239c8df1eae384f236 [INFO] running `Command { std: "docker" "start" "-a" "594ed9f76f89eacfb479abb765eb3b544bddb76be25953239c8df1eae384f236", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling anyhow v1.0.99 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking magnitude v0.3.2 [INFO] [stderr] Checking prepona v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algo/has_cycle.rs:83:51 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn execute(mut self, graph: &G) -> 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 83 | pub fn execute(mut self, graph: &G) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/algo/mst/kruskal.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | graph: &'a G, [INFO] [stdout] | ^^ the lifetime is named here [INFO] [stdout] 93 | ) -> Subgraph [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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 93 | ) -> Subgraph<'a, W, E, UndirectedEdge, G> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algo/shortest_path/bellman_ford.rs:97:16 [INFO] [stdout] | [INFO] [stdout] 97 | graph: &G, [INFO] [stdout] | ^^ the lifetime is elided here [INFO] [stdout] 98 | src_id: usize, [INFO] [stdout] 99 | ) -> Result> [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] 99 | ) -> Result> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algo/shortest_path/dijkstra.rs:106:16 [INFO] [stdout] | [INFO] [stdout] 106 | graph: &G, [INFO] [stdout] | ^^ the lifetime is elided here [INFO] [stdout] 107 | src_id: usize, [INFO] [stdout] 108 | ) -> ShortestPathSubgraph [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] 108 | ) -> ShortestPathSubgraph<'_, W, E, Ty, G> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/algo/vertex_edge_cut.rs:90:41 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn execute(mut self, graph: &'a G) -> (Vec, Vec<(usize, usize, &E)>) [INFO] [stdout] | ^^ the lifetime is named here -- the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 90 | pub fn execute(mut self, graph: &'a G) -> (Vec, Vec<(usize, usize, &'a E)>) [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algo/has_cycle.rs:83:51 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn execute(mut self, graph: &G) -> 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 83 | pub fn execute(mut self, graph: &G) -> Option> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/algo/mst/kruskal.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | graph: &'a G, [INFO] [stdout] | ^^ the lifetime is named here [INFO] [stdout] 93 | ) -> Subgraph [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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 93 | ) -> Subgraph<'a, W, E, UndirectedEdge, G> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algo/shortest_path/bellman_ford.rs:97:16 [INFO] [stdout] | [INFO] [stdout] 97 | graph: &G, [INFO] [stdout] | ^^ the lifetime is elided here [INFO] [stdout] 98 | src_id: usize, [INFO] [stdout] 99 | ) -> Result> [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] 99 | ) -> Result> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algo/shortest_path/dijkstra.rs:106:16 [INFO] [stdout] | [INFO] [stdout] 106 | graph: &G, [INFO] [stdout] | ^^ the lifetime is elided here [INFO] [stdout] 107 | src_id: usize, [INFO] [stdout] 108 | ) -> ShortestPathSubgraph [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] 108 | ) -> ShortestPathSubgraph<'_, W, E, Ty, G> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/algo/vertex_edge_cut.rs:90:41 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn execute(mut self, graph: &'a G) -> (Vec, Vec<(usize, usize, &E)>) [INFO] [stdout] | ^^ the lifetime is named here -- the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 90 | pub fn execute(mut self, graph: &'a G) -> (Vec, Vec<(usize, usize, &'a E)>) [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.49s [INFO] running `Command { std: "docker" "inspect" "594ed9f76f89eacfb479abb765eb3b544bddb76be25953239c8df1eae384f236", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "594ed9f76f89eacfb479abb765eb3b544bddb76be25953239c8df1eae384f236", kill_on_drop: false }` [INFO] [stdout] 594ed9f76f89eacfb479abb765eb3b544bddb76be25953239c8df1eae384f236