[INFO] fetching crate ccs 0.1.0...
[INFO] checking ccs-0.1.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] extracting crate ccs 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ccs 0.1.0
[INFO] finished tweaking crates.io crate ccs 0.1.0
[INFO] tweaked toml for crates.io crate ccs 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ccs 0.1.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ccs 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntest_timeout v0.9.3
[INFO] [stderr]   Downloaded ntest v0.9.3
[INFO] [stderr]   Downloaded ntest_test_cases v0.9.3
[INFO] [stderr]   Downloaded pest_derive v2.7.15
[INFO] [stderr]   Downloaded pest_generator v2.7.15
[INFO] [stderr]   Downloaded pest_meta v2.7.15
[INFO] [stderr]   Downloaded thiserror v2.0.9
[INFO] [stderr]   Downloaded thiserror-impl v2.0.9
[INFO] [stderr]   Downloaded syn v2.0.93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 393b071d2aa8e0f3426b1fb9d7a695c5160cbe39a02d389890b3339bcbc45aee
[INFO] running `Command { std: "docker" "start" "-a" "393b071d2aa8e0f3426b1fb9d7a695c5160cbe39a02d389890b3339bcbc45aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "393b071d2aa8e0f3426b1fb9d7a695c5160cbe39a02d389890b3339bcbc45aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393b071d2aa8e0f3426b1fb9d7a695c5160cbe39a02d389890b3339bcbc45aee", kill_on_drop: false }`
[INFO] [stdout] 393b071d2aa8e0f3426b1fb9d7a695c5160cbe39a02d389890b3339bcbc45aee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec1f0ba23cdb9421192558a44c04e33d12acbc5dd4af9a8747405460d1bcf023
[INFO] running `Command { std: "docker" "start" "-a" "ec1f0ba23cdb9421192558a44c04e33d12acbc5dd4af9a8747405460d1bcf023", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling thiserror v2.0.9
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking clap_builder v4.5.23
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.93
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling thiserror-impl v2.0.9
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling ntest_timeout v0.9.3
[INFO] [stderr]    Compiling ntest_test_cases v0.9.3
[INFO] [stderr]     Checking pest v2.7.15
[INFO] [stderr]     Checking ntest v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking clap v4.5.23
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling pest_meta v2.7.15
[INFO] [stderr]    Compiling pest_generator v2.7.15
[INFO] [stderr]    Compiling pest_derive v2.7.15
[INFO] [stderr]     Checking ccs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bisimilarity/list.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> RcListIterator<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> RcListIterator<'_, T> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lts.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn transitions(&self, allow_duplicates: bool) -> LtsTransitionIterator {
[INFO] [stdout]    |                        ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn transitions(&self, allow_duplicates: bool) -> LtsTransitionIterator<'_> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lts.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn states(&self, allow_duplicates: bool) -> LtsStateIterator {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn states(&self, allow_duplicates: bool) -> LtsStateIterator<'_> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lts.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn traces(&self, allow_duplicates: bool) -> LtsTraceIterator {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn traces(&self, allow_duplicates: bool) -> LtsTraceIterator<'_> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bisimilarity/list.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> RcListIterator<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn iter(&self) -> RcListIterator<'_, T> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lts.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn transitions(&self, allow_duplicates: bool) -> LtsTransitionIterator {
[INFO] [stdout]    |                        ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn transitions(&self, allow_duplicates: bool) -> LtsTransitionIterator<'_> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lts.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn states(&self, allow_duplicates: bool) -> LtsStateIterator {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn states(&self, allow_duplicates: bool) -> LtsStateIterator<'_> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lts.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn traces(&self, allow_duplicates: bool) -> LtsTraceIterator {
[INFO] [stdout]    |                   ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn traces(&self, allow_duplicates: bool) -> LtsTraceIterator<'_> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.71s
[INFO] running `Command { std: "docker" "inspect" "ec1f0ba23cdb9421192558a44c04e33d12acbc5dd4af9a8747405460d1bcf023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1f0ba23cdb9421192558a44c04e33d12acbc5dd4af9a8747405460d1bcf023", kill_on_drop: false }`
[INFO] [stdout] ec1f0ba23cdb9421192558a44c04e33d12acbc5dd4af9a8747405460d1bcf023
