[INFO] fetching crate gstring 0.11.0...
[INFO] checking gstring-0.11.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate gstring 0.11.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate gstring 0.11.0
[INFO] finished tweaking crates.io crate gstring 0.11.0
[INFO] tweaked toml for crates.io crate gstring 0.11.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gstring 0.11.0 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 gstring 0.11.0 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e10d9ae058820302422f57b88472dd6d1705221d5f1cea03d736952557c4c818
[INFO] running `Command { std: "docker" "start" "-a" "e10d9ae058820302422f57b88472dd6d1705221d5f1cea03d736952557c4c818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10d9ae058820302422f57b88472dd6d1705221d5f1cea03d736952557c4c818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10d9ae058820302422f57b88472dd6d1705221d5f1cea03d736952557c4c818", kill_on_drop: false }`
[INFO] [stdout] e10d9ae058820302422f57b88472dd6d1705221d5f1cea03d736952557c4c818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d703efe8e2c816210d30c75893c834243627043fe7bd8f6087877e3d0e8041ff
[INFO] running `Command { std: "docker" "start" "-a" "d703efe8e2c816210d30c75893c834243627043fe7bd8f6087877e3d0e8041ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking gstring v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:847:17
[INFO] [stdout]     |
[INFO] [stdout] 847 |     pub fn iter(&self) -> GStringRefIter {
[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] 847 |     pub fn iter(&self) -> GStringRefIter<'_> {
[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:1196:23
[INFO] [stdout]      |
[INFO] [stdout] 1196 |     fn graphemes_iter(&self) -> Graphemes;
[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] 1196 |     fn graphemes_iter(&self) -> Graphemes<'_>;
[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:1211:23
[INFO] [stdout]      |
[INFO] [stdout] 1211 |     fn graphemes_iter(&self) -> Graphemes {
[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] 1211 |     fn graphemes_iter(&self) -> Graphemes<'_> {
[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:1228:23
[INFO] [stdout]      |
[INFO] [stdout] 1228 |     fn graphemes_iter(&self) -> Graphemes {
[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] 1228 |     fn graphemes_iter(&self) -> Graphemes<'_> {
[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:847:17
[INFO] [stdout]     |
[INFO] [stdout] 847 |     pub fn iter(&self) -> GStringRefIter {
[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] 847 |     pub fn iter(&self) -> GStringRefIter<'_> {
[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:1196:23
[INFO] [stdout]      |
[INFO] [stdout] 1196 |     fn graphemes_iter(&self) -> Graphemes;
[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] 1196 |     fn graphemes_iter(&self) -> Graphemes<'_>;
[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:1211:23
[INFO] [stdout]      |
[INFO] [stdout] 1211 |     fn graphemes_iter(&self) -> Graphemes {
[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] 1211 |     fn graphemes_iter(&self) -> Graphemes<'_> {
[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:1228:23
[INFO] [stdout]      |
[INFO] [stdout] 1228 |     fn graphemes_iter(&self) -> Graphemes {
[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] 1228 |     fn graphemes_iter(&self) -> Graphemes<'_> {
[INFO] [stdout]      |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.26s
[INFO] running `Command { std: "docker" "inspect" "d703efe8e2c816210d30c75893c834243627043fe7bd8f6087877e3d0e8041ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d703efe8e2c816210d30c75893c834243627043fe7bd8f6087877e3d0e8041ff", kill_on_drop: false }`
[INFO] [stdout] d703efe8e2c816210d30c75893c834243627043fe7bd8f6087877e3d0e8041ff