[INFO] fetching crate rst_parser 0.3.2...
[INFO] checking rst_parser-0.3.2 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate rst_parser 0.3.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rst_parser 0.3.2 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47fd048c90c17c8dbe418a5047ee9a0251ca8bb2a803ec4eca81ad1c674bd8d7
[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" "47fd048c90c17c8dbe418a5047ee9a0251ca8bb2a803ec4eca81ad1c674bd8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47fd048c90c17c8dbe418a5047ee9a0251ca8bb2a803ec4eca81ad1c674bd8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fd048c90c17c8dbe418a5047ee9a0251ca8bb2a803ec4eca81ad1c674bd8d7", kill_on_drop: false }`
[INFO] [stdout] 47fd048c90c17c8dbe418a5047ee9a0251ca8bb2a803ec4eca81ad1c674bd8d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3bcdd18e877fa8bfd5e5d45c8e66dd10a4bae7239c78f20b0d1ae2bfc100412
[INFO] running `Command { std: "docker" "start" "-a" "d3bcdd18e877fa8bfd5e5d45c8e66dd10a4bae7239c78f20b0d1ae2bfc100412", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.8
[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 1m 05s
[INFO] running `Command { std: "docker" "inspect" "d3bcdd18e877fa8bfd5e5d45c8e66dd10a4bae7239c78f20b0d1ae2bfc100412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3bcdd18e877fa8bfd5e5d45c8e66dd10a4bae7239c78f20b0d1ae2bfc100412", kill_on_drop: false }`
[INFO] [stdout] d3bcdd18e877fa8bfd5e5d45c8e66dd10a4bae7239c78f20b0d1ae2bfc100412