[INFO] fetching crate rst_parser 0.4.0...
[INFO] testing rst_parser-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rst_parser 0.4.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate rst_parser 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rst_parser 0.4.0
[INFO] finished tweaking crates.io crate rst_parser 0.4.0
[INFO] tweaked toml for crates.io crate rst_parser 0.4.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0649f3a9ff947330421c2d1ab8559389a61e41a89195577c1742130e2f12998
[INFO] running `Command { std: "docker" "start" "-a" "e0649f3a9ff947330421c2d1ab8559389a61e41a89195577c1742130e2f12998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0649f3a9ff947330421c2d1ab8559389a61e41a89195577c1742130e2f12998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0649f3a9ff947330421c2d1ab8559389a61e41a89195577c1742130e2f12998", kill_on_drop: false }`
[INFO] [stdout] e0649f3a9ff947330421c2d1ab8559389a61e41a89195577c1742130e2f12998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a53a1e6966c9303b47217f24e93676302ab3ad078245ff6a7e12576193bfac45
[INFO] running `Command { std: "docker" "start" "-a" "a53a1e6966c9303b47217f24e93676302ab3ad078245ff6a7e12576193bfac45", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling document_tree v0.4.0
[INFO] [stderr]    Compiling rst_parser v0.4.0 (/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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "a53a1e6966c9303b47217f24e93676302ab3ad078245ff6a7e12576193bfac45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53a1e6966c9303b47217f24e93676302ab3ad078245ff6a7e12576193bfac45", kill_on_drop: false }`
[INFO] [stdout] a53a1e6966c9303b47217f24e93676302ab3ad078245ff6a7e12576193bfac45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa9c5048ac4fabb58abfcf17fa49fc8553cef1e12db94f586141197c3284c701
[INFO] running `Command { std: "docker" "start" "-a" "aa9c5048ac4fabb58abfcf17fa49fc8553cef1e12db94f586141197c3284c701", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rst_parser v0.4.0 (/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 test [unoptimized + debuginfo] target(s) in 27.59s
[INFO] running `Command { std: "docker" "inspect" "aa9c5048ac4fabb58abfcf17fa49fc8553cef1e12db94f586141197c3284c701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9c5048ac4fabb58abfcf17fa49fc8553cef1e12db94f586141197c3284c701", kill_on_drop: false }`
[INFO] [stdout] aa9c5048ac4fabb58abfcf17fa49fc8553cef1e12db94f586141197c3284c701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1debde62bf00302e22a558e77a5966bcf90dc9e362fb9c923a14722f43d527c5
[INFO] running `Command { std: "docker" "start" "-a" "1debde62bf00302e22a558e77a5966bcf90dc9e362fb9c923a14722f43d527c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn is_implicit_target(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rst_parser` (lib) generated 7 warnings
[INFO] [stderr] warning: `rst_parser` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rst_parser-08ca69912ae6365b)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::emph_only ... ok
[INFO] [stdout] test tests::inline_code_literal_with_underscore ... ok
[INFO] [stdout] test tests::plain ... ok
[INFO] [stdout] test tests::emph ... ok
[INFO] [stdout] test tests::code_directive ... ok
[INFO] [stdout] test tests::comments ... ok
[INFO] [stdout] test tests::literal_block ... ok
[INFO] [stdout] test tests::two_targets ... ok
[INFO] [stdout] test tests::title ... ok
[INFO] [stdout] test tests::substitution_image ... ok
[INFO] [stdout] test tests::title_overline ... ok
[INFO] [stdout] test tests::substitution_in_literal ... ok
[INFO] [stdout] test tests::raw ... ok
[INFO] [stdout] test tests::admonitions ... ok
[INFO] [stdout] test tests::substitutions ... ok
[INFO] [stdout] test tests::nested_lists ... ok
[INFO] [stdout] test conversion::tests::convert_skipped_section ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rst_parser
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1debde62bf00302e22a558e77a5966bcf90dc9e362fb9c923a14722f43d527c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1debde62bf00302e22a558e77a5966bcf90dc9e362fb9c923a14722f43d527c5", kill_on_drop: false }`
[INFO] [stdout] 1debde62bf00302e22a558e77a5966bcf90dc9e362fb9c923a14722f43d527c5