[INFO] crate rst_parser 0.3.1 is already in cache
[INFO] checking rst_parser-0.3.1 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate rst_parser 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rst_parser 0.3.1 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rst_parser 0.3.1
[INFO] finished tweaking crates.io crate rst_parser 0.3.1
[INFO] tweaked toml for crates.io crate rst_parser 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 65251c077770e62e8322805e894f17d02d28ed9de62e80f3fd18c9ad016a4612
[INFO] running `"docker" "start" "-a" "65251c077770e62e8322805e894f17d02d28ed9de62e80f3fd18c9ad016a4612"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.109
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking document_tree v0.3.0
[INFO] [stderr]     Checking rst_parser v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `NumberedFootnote`
[INFO] [stderr]   --> src/simplify.rs:37:2
[INFO] [stderr]    |
[INFO] [stderr] 37 |     NumberedFootnote(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LabeledFootnote`
[INFO] [stderr]   --> src/simplify.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 38 |     LabeledFootnote(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Citation`
[INFO] [stderr]   --> src/simplify.rs:39:2
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Citation,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InternalLink`
[INFO] [stderr]   --> src/simplify.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     InternalLink,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IndirectLink`
[INFO] [stderr]   --> src/simplify.rs:42:2
[INFO] [stderr]    |
[INFO] [stderr] 42 |     IndirectLink(NameToken),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SectionTitle`
[INFO] [stderr]   --> src/simplify.rs:43:2
[INFO] [stderr]    |
[INFO] [stderr] 43 |     SectionTitle,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_implicit_target`
[INFO] [stderr]   --> src/simplify.rs:46:2
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn is_implicit_target(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NumberedFootnote`
[INFO] [stderr]   --> src/simplify.rs:37:2
[INFO] [stderr]    |
[INFO] [stderr] 37 |     NumberedFootnote(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LabeledFootnote`
[INFO] [stderr]   --> src/simplify.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 38 |     LabeledFootnote(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Citation`
[INFO] [stderr]   --> src/simplify.rs:39:2
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Citation,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InternalLink`
[INFO] [stderr]   --> src/simplify.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     InternalLink,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IndirectLink`
[INFO] [stderr]   --> src/simplify.rs:42:2
[INFO] [stderr]    |
[INFO] [stderr] 42 |     IndirectLink(NameToken),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SectionTitle`
[INFO] [stderr]   --> src/simplify.rs:43:2
[INFO] [stderr]    |
[INFO] [stderr] 43 |     SectionTitle,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_implicit_target`
[INFO] [stderr]   --> src/simplify.rs:46:2
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn is_implicit_target(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.35s
[INFO] running `"docker" "inspect" "65251c077770e62e8322805e894f17d02d28ed9de62e80f3fd18c9ad016a4612"`
[INFO] running `"docker" "rm" "-f" "65251c077770e62e8322805e894f17d02d28ed9de62e80f3fd18c9ad016a4612"`
[INFO] [stdout] 65251c077770e62e8322805e894f17d02d28ed9de62e80f3fd18c9ad016a4612