[INFO] fetching crate dbus-tree 0.9.2...
[INFO] checking dbus-tree-0.9.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate dbus-tree 0.9.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate dbus-tree 0.9.2
[INFO] finished tweaking crates.io crate dbus-tree 0.9.2
[INFO] tweaked toml for crates.io crate dbus-tree 0.9.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dbus-tree 0.9.2 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 dbus-tree 0.9.2 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dbus v0.9.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3acb5f2a2a7ae0ff7e585054f0314493be9b4105482bb989533c8abe8d789420
[INFO] running `Command { std: "docker" "start" "-a" "3acb5f2a2a7ae0ff7e585054f0314493be9b4105482bb989533c8abe8d789420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3acb5f2a2a7ae0ff7e585054f0314493be9b4105482bb989533c8abe8d789420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3acb5f2a2a7ae0ff7e585054f0314493be9b4105482bb989533c8abe8d789420", kill_on_drop: false }`
[INFO] [stdout] 3acb5f2a2a7ae0ff7e585054f0314493be9b4105482bb989533c8abe8d789420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 39a8c540d51fa9a7ab0cf30ea82ffef88144b36c4ec11d91f3cff66abc826386
[INFO] running `Command { std: "docker" "start" "-a" "39a8c540d51fa9a7ab0cf30ea82ffef88144b36c4ec11d91f3cff66abc826386", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]     Checking dbus v0.9.5
[INFO] [stderr]     Checking dbus-tree v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/objectpath.rs:168:23
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn get_iface<'a>(&'a self, iface_name: &'a str) -> Result<&Arc<Interface<M, D>>, MethodErr> {
[INFO] [stdout]     |                       ^^                    ^^                --------------------- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                       |                     |
[INFO] [stdout]     |                       |                     these lifetimes flow to the output
[INFO] [stdout]     |                       these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn get_iface<'a>(&'a self, iface_name: &'a str) -> Result<&'a Arc<Interface<M, D>>, MethodErr> {
[INFO] [stdout]     |                                                                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/objectpath.rs:168:23
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn get_iface<'a>(&'a self, iface_name: &'a str) -> Result<&Arc<Interface<M, D>>, MethodErr> {
[INFO] [stdout]     |                       ^^                    ^^                --------------------- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                       |                     |
[INFO] [stdout]     |                       |                     these lifetimes flow to the output
[INFO] [stdout]     |                       these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn get_iface<'a>(&'a self, iface_name: &'a str) -> Result<&'a Arc<Interface<M, D>>, MethodErr> {
[INFO] [stdout]     |                                                                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "39a8c540d51fa9a7ab0cf30ea82ffef88144b36c4ec11d91f3cff66abc826386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a8c540d51fa9a7ab0cf30ea82ffef88144b36c4ec11d91f3cff66abc826386", kill_on_drop: false }`
[INFO] [stdout] 39a8c540d51fa9a7ab0cf30ea82ffef88144b36c4ec11d91f3cff66abc826386