[INFO] fetching crate log-tree 0.1.0... [INFO] checking log-tree-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate log-tree 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate log-tree 0.1.0 [INFO] finished tweaking crates.io crate log-tree 0.1.0 [INFO] tweaked toml for crates.io crate log-tree 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate log-tree 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] crate crates.io crate log-tree 0.1.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4776d771a2e15b8bd81ace3bba72b5cb24b173af837801338884a40d0ec7298d [INFO] running `Command { std: "docker" "start" "-a" "4776d771a2e15b8bd81ace3bba72b5cb24b173af837801338884a40d0ec7298d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4776d771a2e15b8bd81ace3bba72b5cb24b173af837801338884a40d0ec7298d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4776d771a2e15b8bd81ace3bba72b5cb24b173af837801338884a40d0ec7298d", kill_on_drop: false }` [INFO] [stdout] 4776d771a2e15b8bd81ace3bba72b5cb24b173af837801338884a40d0ec7298d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6df9c2cb34c08fd2271e3c73c1d97d345183d653e1d521193d68c0ce1d8efaf3 [INFO] running `Command { std: "docker" "start" "-a" "6df9c2cb34c08fd2271e3c73c1d97d345183d653e1d521193d68c0ce1d8efaf3", kill_on_drop: false }` [INFO] [stderr] Checking log-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs)>; [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] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs<'_, Self>)>; [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:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs)>; [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] 14 | fn add_node(&self, lvl: u8) -> Option<(String, Childs<'_, Self>)>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> examples/basic.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | fn add_node(&self, _: u8) -> Option<(String, log_tree::Childs)> { [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] 14 | fn add_node(&self, _: u8) -> Option<(String, log_tree::Childs<'_, Self>)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> examples/pwd.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | fn add_node(&self, lvl: u8) -> Option<(String, log_tree::Childs)> { [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] 10 | fn add_node(&self, lvl: u8) -> Option<(String, log_tree::Childs<'_, Self>)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "6df9c2cb34c08fd2271e3c73c1d97d345183d653e1d521193d68c0ce1d8efaf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6df9c2cb34c08fd2271e3c73c1d97d345183d653e1d521193d68c0ce1d8efaf3", kill_on_drop: false }` [INFO] [stdout] 6df9c2cb34c08fd2271e3c73c1d97d345183d653e1d521193d68c0ce1d8efaf3