[INFO] fetching crate panduck-core 0.1.0...
[INFO] checking panduck-core-0.1.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate panduck-core 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate panduck-core 0.1.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panduck-core 0.1.0
[INFO] finished tweaking crates.io crate panduck-core 0.1.0
[INFO] tweaked toml for crates.io crate panduck-core 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", 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] 606e755f99f02309c6e84006900ca559bcf62deddc66783c5c5bfde9cf6cb783
[INFO] running `Command { std: "docker" "start" "-a" "606e755f99f02309c6e84006900ca559bcf62deddc66783c5c5bfde9cf6cb783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "606e755f99f02309c6e84006900ca559bcf62deddc66783c5c5bfde9cf6cb783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606e755f99f02309c6e84006900ca559bcf62deddc66783c5c5bfde9cf6cb783", kill_on_drop: false }`
[INFO] [stdout] 606e755f99f02309c6e84006900ca559bcf62deddc66783c5c5bfde9cf6cb783
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f053cfcdbfdf3215d97038265da18841dc70ae18b6863632f439450ba1087be5
[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" "f053cfcdbfdf3215d97038265da18841dc70ae18b6863632f439450ba1087be5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking unidecode v0.3.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]     Checking parse_wiki_text v0.1.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking slugify v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rtf-grimoire v0.1.1
[INFO] [stderr]     Checking text-utils v0.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking notedown-pest v1.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking markdown v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking lsp-types v0.86.0
[INFO] [stderr]     Checking html_parser v0.5.0
[INFO] [stderr]     Checking notedown_ast v0.12.0
[INFO] [stderr]     Checking notedown_parser v0.12.0
[INFO] [stderr]     Checking panduck-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SmartLink`
[INFO] [stdout]  --> src/convert/markdown/mod.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use notedown_parser::{ASTKind, SmartLink};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ASTNode`, `Error`
[INFO] [stdout]  --> src/parse/mod.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | use notedown_parser::{ParserConfig, ASTNode, Error};
[INFO] [stdout]   |                                     ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `notedown_parser::utils::LSPMetaInfo`
[INFO] [stdout]  --> src/parse/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use notedown_parser::utils::LSPMetaInfo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SmartLink`
[INFO] [stdout]  --> src/convert/markdown/mod.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use notedown_parser::{ASTKind, SmartLink};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ASTNode`, `Error`
[INFO] [stdout]  --> src/parse/mod.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | use notedown_parser::{ParserConfig, ASTNode, Error};
[INFO] [stdout]   |                                     ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `notedown_parser::utils::LSPMetaInfo`
[INFO] [stdout]  --> src/parse/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use notedown_parser::utils::LSPMetaInfo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/convert/markdown/mod.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Span::Code(code) => {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/convert/markdown/mod.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Span::Link(text, url, title) => {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]   --> src/convert/markdown/mod.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Span::Link(text, url, title) => {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> src/convert/markdown/mod.rs:68:35
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Span::Link(text, url, title) => {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_title`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/convert/markdown/mod.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Span::Code(code) => {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/convert/markdown/mod.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Span::Link(text, url, title) => {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]   --> src/convert/markdown/mod.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Span::Link(text, url, title) => {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `title`
[INFO] [stdout]   --> src/convert/markdown/mod.rs:68:35
[INFO] [stdout]    |
[INFO] [stdout] 68 |             Span::Link(text, url, title) => {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_title`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "f053cfcdbfdf3215d97038265da18841dc70ae18b6863632f439450ba1087be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f053cfcdbfdf3215d97038265da18841dc70ae18b6863632f439450ba1087be5", kill_on_drop: false }`
[INFO] [stdout] f053cfcdbfdf3215d97038265da18841dc70ae18b6863632f439450ba1087be5