[INFO] fetching crate dot_tree 1.0.1... [INFO] checking dot_tree-1.0.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate dot_tree 1.0.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate dot_tree 1.0.1 [INFO] finished tweaking crates.io crate dot_tree 1.0.1 [INFO] tweaked toml for crates.io crate dot_tree 1.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dot_tree 1.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] [stderr] Adding strum v0.25.0 (available: v0.27.1) [INFO] [stderr] Adding strum_macros v0.25.3 (available: v0.27.1) [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9ac35bedb31b8eccc1ac71bd11d0bf23396d4045f1b1c686bc345e65ba4166a4 [INFO] running `Command { std: "docker" "start" "-a" "9ac35bedb31b8eccc1ac71bd11d0bf23396d4045f1b1c686bc345e65ba4166a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ac35bedb31b8eccc1ac71bd11d0bf23396d4045f1b1c686bc345e65ba4166a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ac35bedb31b8eccc1ac71bd11d0bf23396d4045f1b1c686bc345e65ba4166a4", kill_on_drop: false }` [INFO] [stdout] 9ac35bedb31b8eccc1ac71bd11d0bf23396d4045f1b1c686bc345e65ba4166a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3cebea008ccf6218d7c43cdbc7797a46f34033bb1142f5c5843320e635388da9 [INFO] running `Command { std: "docker" "start" "-a" "3cebea008ccf6218d7c43cdbc7797a46f34033bb1142f5c5843320e635388da9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling rustversion v1.0.21 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking strum v0.25.0 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling strum_macros v0.25.3 [INFO] [stderr] Checking dot_tree v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:259:17 [INFO] [stdout] | [INFO] [stdout] 259 | pub fn root(&mut self) -> Result { [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] 259 | pub fn root(&mut self) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:275:17 [INFO] [stdout] | [INFO] [stdout] 275 | pub fn node(&mut self, position: u128) -> Result { [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] 275 | pub fn node(&mut self, position: u128) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:327:9 [INFO] [stdout] | [INFO] [stdout] 327 | &mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 332 | ) -> Result { [INFO] [stdout] | ---- the lifetime gets resolved as `'_` [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] 332 | ) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:419:19 [INFO] [stdout] | [INFO] [stdout] 419 | pub fn parent(&mut self) -> Result { [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] 419 | pub fn parent(&mut self) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:259:17 [INFO] [stdout] | [INFO] [stdout] 259 | pub fn root(&mut self) -> Result { [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] 259 | pub fn root(&mut self) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:429:18 [INFO] [stdout] | [INFO] [stdout] 429 | pub fn child(&mut self, index: u8) -> Result { [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] 429 | pub fn child(&mut self, index: u8) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:448:9 [INFO] [stdout] | [INFO] [stdout] 448 | &mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 452 | ) -> Result { [INFO] [stdout] | ---- the lifetime gets resolved as `'_` [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] 452 | ) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:505:20 [INFO] [stdout] | [INFO] [stdout] 505 | pub fn refresh(&mut self) -> Result { [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] 505 | pub fn refresh(&mut self) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:275:17 [INFO] [stdout] | [INFO] [stdout] 275 | pub fn node(&mut self, position: u128) -> Result { [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] 275 | pub fn node(&mut self, position: u128) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:327:9 [INFO] [stdout] | [INFO] [stdout] 327 | &mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 332 | ) -> Result { [INFO] [stdout] | ---- the lifetime gets resolved as `'_` [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] 332 | ) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:419:19 [INFO] [stdout] | [INFO] [stdout] 419 | pub fn parent(&mut self) -> Result { [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] 419 | pub fn parent(&mut self) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:429:18 [INFO] [stdout] | [INFO] [stdout] 429 | pub fn child(&mut self, index: u8) -> Result { [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] 429 | pub fn child(&mut self, index: u8) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:448:9 [INFO] [stdout] | [INFO] [stdout] 448 | &mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 452 | ) -> Result { [INFO] [stdout] | ---- the lifetime gets resolved as `'_` [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] 452 | ) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:505:20 [INFO] [stdout] | [INFO] [stdout] 505 | pub fn refresh(&mut self) -> Result { [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] 505 | pub fn refresh(&mut self) -> Result, NodeError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.80s [INFO] running `Command { std: "docker" "inspect" "3cebea008ccf6218d7c43cdbc7797a46f34033bb1142f5c5843320e635388da9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cebea008ccf6218d7c43cdbc7797a46f34033bb1142f5c5843320e635388da9", kill_on_drop: false }` [INFO] [stdout] 3cebea008ccf6218d7c43cdbc7797a46f34033bb1142f5c5843320e635388da9