[INFO] fetching crate algorithms_fourth 0.1.10... [INFO] checking algorithms_fourth-0.1.10 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate algorithms_fourth 0.1.10 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate algorithms_fourth 0.1.10 [INFO] finished tweaking crates.io crate algorithms_fourth 0.1.10 [INFO] tweaked toml for crates.io crate algorithms_fourth 0.1.10 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate algorithms_fourth 0.1.10 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate algorithms_fourth 0.1.10 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 40cd461de6b71d55b7f231a8710b291b92088d5e9e8727b428a50d7601a7423b [INFO] running `Command { std: "docker" "start" "-a" "40cd461de6b71d55b7f231a8710b291b92088d5e9e8727b428a50d7601a7423b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40cd461de6b71d55b7f231a8710b291b92088d5e9e8727b428a50d7601a7423b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40cd461de6b71d55b7f231a8710b291b92088d5e9e8727b428a50d7601a7423b", kill_on_drop: false }` [INFO] [stdout] 40cd461de6b71d55b7f231a8710b291b92088d5e9e8727b428a50d7601a7423b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9a6f10344f70bb7e56dac2fe607c16b9dc37913bc556e509c3d4d1168dee264 [INFO] running `Command { std: "docker" "start" "-a" "d9a6f10344f70bb7e56dac2fe607c16b9dc37913bc556e509c3d4d1168dee264", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking algorithms_fourth v0.1.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/search/sequential.rs:58:25 [INFO] [stdout] | [INFO] [stdout] 58 | let mut p = first; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/search/red_black_search/trace.rs:40:11 [INFO] [stdout] | [INFO] [stdout] 40 | node: &Node, [INFO] [stdout] | ^^^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 45 | ) -> Element { [INFO] [stdout] | ------------- the lifetime gets resolved as `'_` [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] 45 | ) -> Element<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/digraph/cycle.rs:75:18 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn cycle(&self) -> Iter { [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] 75 | pub fn cycle(&self) -> Iter<'_, usize> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/graph/edge_weighted/mst/prim.rs:126:18 [INFO] [stdout] | [INFO] [stdout] 126 | pub fn edges(&self) -> std::slice::Iter<&Edge> { [INFO] [stdout] | ^^^^^ ----------------------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'_` [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] 126 | pub fn edges(&self) -> std::slice::Iter<'_, &Edge> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/search/sequential.rs:58:25 [INFO] [stdout] | [INFO] [stdout] 58 | let mut p = first; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/search/red_black_search/trace.rs:40:11 [INFO] [stdout] | [INFO] [stdout] 40 | node: &Node, [INFO] [stdout] | ^^^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 45 | ) -> Element { [INFO] [stdout] | ------------- the lifetime gets resolved as `'_` [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] 45 | ) -> Element<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/digraph/cycle.rs:75:18 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn cycle(&self) -> Iter { [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] 75 | pub fn cycle(&self) -> Iter<'_, usize> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/graph/edge_weighted/mst/prim.rs:126:18 [INFO] [stdout] | [INFO] [stdout] 126 | pub fn edges(&self) -> std::slice::Iter<&Edge> { [INFO] [stdout] | ^^^^^ ----------------------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'_` [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] 126 | pub fn edges(&self) -> std::slice::Iter<'_, &Edge> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s [INFO] running `Command { std: "docker" "inspect" "d9a6f10344f70bb7e56dac2fe607c16b9dc37913bc556e509c3d4d1168dee264", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9a6f10344f70bb7e56dac2fe607c16b9dc37913bc556e509c3d4d1168dee264", kill_on_drop: false }` [INFO] [stdout] d9a6f10344f70bb7e56dac2fe607c16b9dc37913bc556e509c3d4d1168dee264