[INFO] fetching crate rst_parser 0.3.2...
[INFO] checking rst_parser-0.3.2 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate rst_parser 0.3.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rst_parser 0.3.2 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rst_parser 0.3.2
[INFO] finished tweaking crates.io crate rst_parser 0.3.2
[INFO] tweaked toml for crates.io crate rst_parser 0.3.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c836b539e2ca0d29ba2dbc32c2c029b367bda0a147e567857a74b8bcfc1c2ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c836b539e2ca0d29ba2dbc32c2c029b367bda0a147e567857a74b8bcfc1c2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c836b539e2ca0d29ba2dbc32c2c029b367bda0a147e567857a74b8bcfc1c2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c836b539e2ca0d29ba2dbc32c2c029b367bda0a147e567857a74b8bcfc1c2ea", kill_on_drop: false }`
[INFO] [stdout] 1c836b539e2ca0d29ba2dbc32c2c029b367bda0a147e567857a74b8bcfc1c2ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 978bd072a88cde9da4877561bc1ee5d6d53eda25bdf0f2bb6ca45f22c45402d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "978bd072a88cde9da4877561bc1ee5d6d53eda25bdf0f2bb6ca45f22c45402d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking document_tree v0.3.0
[INFO] [stderr]     Checking rst_parser v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `NumberedFootnote`
[INFO] [stdout]   --> src/simplify.rs:37:2
[INFO] [stdout]    |
[INFO] [stdout] 37 |     NumberedFootnote(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LabeledFootnote`
[INFO] [stdout]   --> src/simplify.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 38 |     LabeledFootnote(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Citation`
[INFO] [stdout]   --> src/simplify.rs:39:2
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Citation,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InternalLink`
[INFO] [stdout]   --> src/simplify.rs:40:2
[INFO] [stdout]    |
[INFO] [stdout] 40 |     InternalLink,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IndirectLink`
[INFO] [stdout]   --> src/simplify.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 |     IndirectLink(NameToken),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SectionTitle`
[INFO] [stdout]   --> src/simplify.rs:43:2
[INFO] [stdout]    |
[INFO] [stdout] 43 |     SectionTitle,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_implicit_target`
[INFO] [stdout]   --> src/simplify.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn is_implicit_target(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NumberedFootnote`
[INFO] [stdout]   --> src/simplify.rs:37:2
[INFO] [stdout]    |
[INFO] [stdout] 37 |     NumberedFootnote(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LabeledFootnote`
[INFO] [stdout]   --> src/simplify.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 38 |     LabeledFootnote(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Citation`
[INFO] [stdout]   --> src/simplify.rs:39:2
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Citation,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InternalLink`
[INFO] [stdout]   --> src/simplify.rs:40:2
[INFO] [stdout]    |
[INFO] [stdout] 40 |     InternalLink,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IndirectLink`
[INFO] [stdout]   --> src/simplify.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 |     IndirectLink(NameToken),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SectionTitle`
[INFO] [stdout]   --> src/simplify.rs:43:2
[INFO] [stdout]    |
[INFO] [stdout] 43 |     SectionTitle,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_implicit_target`
[INFO] [stdout]   --> src/simplify.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn is_implicit_target(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.45s
[INFO] running `Command { std: "docker" "inspect" "978bd072a88cde9da4877561bc1ee5d6d53eda25bdf0f2bb6ca45f22c45402d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978bd072a88cde9da4877561bc1ee5d6d53eda25bdf0f2bb6ca45f22c45402d8", kill_on_drop: false }`
[INFO] [stdout] 978bd072a88cde9da4877561bc1ee5d6d53eda25bdf0f2bb6ca45f22c45402d8