[INFO] fetching crate x-core 0.1.0...
[INFO] checking x-core-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate x-core 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate x-core 0.1.0
[INFO] finished tweaking crates.io crate x-core 0.1.0
[INFO] tweaked toml for crates.io crate x-core 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate x-core 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] [stderr]       Adding determinator v0.3.0 (available: v0.12.0)
[INFO] [stderr]       Adding guppy v0.8.0 (available: v0.17.19)
[INFO] [stderr]       Adding hakari v0.2.0 (available: v0.17.8)
[INFO] [stderr]       Adding indoc v1.0.9 (available: v2.0.6)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.8.23)
[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 atomicwrites v0.2.5
[INFO] [stderr]   Downloaded diffus v0.9.1
[INFO] [stderr]   Downloaded cfg-expr v0.7.4
[INFO] [stderr]   Downloaded guppy-summaries v0.4.0
[INFO] [stderr]   Downloaded determinator v0.3.0
[INFO] [stderr]   Downloaded target-spec v0.7.0
[INFO] [stderr]   Downloaded diffy v0.2.2
[INFO] [stderr]   Downloaded hakari v0.2.0
[INFO] [stderr]   Downloaded guppy v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f3a5500842c8c9f0f281570a93aee2723ca481d47be2386f0fa1382c1c017f35
[INFO] running `Command { std: "docker" "start" "-a" "f3a5500842c8c9f0f281570a93aee2723ca481d47be2386f0fa1382c1c017f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3a5500842c8c9f0f281570a93aee2723ca481d47be2386f0fa1382c1c017f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a5500842c8c9f0f281570a93aee2723ca481d47be2386f0fa1382c1c017f35", kill_on_drop: false }`
[INFO] [stdout] f3a5500842c8c9f0f281570a93aee2723ca481d47be2386f0fa1382c1c017f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 81d0bb493084cbf3ff44e272317418f6b0140e66243d593e624efc05c6e85f28
[INFO] running `Command { std: "docker" "start" "-a" "81d0bb493084cbf3ff44e272317418f6b0140e66243d593e624efc05c6e85f28", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking ucd-trie v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]    Compiling target-spec v0.7.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking cfg-expr v0.7.4
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking nested v0.1.1
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking pathdiff v0.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking diffy v0.2.2
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking diffus v0.9.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking globset v0.4.16
[INFO] [stderr]     Checking pest v2.8.1
[INFO] [stderr]     Checking semver-parser v0.10.3
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking cargo-platform v0.1.9
[INFO] [stderr]     Checking guppy-summaries v0.4.0
[INFO] [stderr]     Checking cargo_metadata v0.12.3
[INFO] [stderr]     Checking guppy v0.8.0
[INFO] [stderr]     Checking rental v0.5.6
[INFO] [stderr]     Checking hakari v0.2.0
[INFO] [stderr]     Checking determinator v0.3.0
[INFO] [stderr]     Checking x-core 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:100:20
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn subsets(&self) -> Result<&WorkspaceSubsets> {
[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]     = 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] 100 |     pub fn subsets(&self) -> Result<&WorkspaceSubsets<'_>> {
[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:100:20
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn subsets(&self) -> Result<&WorkspaceSubsets> {
[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]     = 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] 100 |     pub fn subsets(&self) -> Result<&WorkspaceSubsets<'_>> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.07s
[INFO] running `Command { std: "docker" "inspect" "81d0bb493084cbf3ff44e272317418f6b0140e66243d593e624efc05c6e85f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d0bb493084cbf3ff44e272317418f6b0140e66243d593e624efc05c6e85f28", kill_on_drop: false }`
[INFO] [stdout] 81d0bb493084cbf3ff44e272317418f6b0140e66243d593e624efc05c6e85f28