[INFO] cloning repository https://github.com/zymogen/zymogen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zymogen/zymogen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzymogen%2Fzymogen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzymogen%2Fzymogen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49c48d33e535ca8e2d6d9488680441ab0ac79515
[INFO] documenting zymogen/zymogen against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzymogen%2Fzymogen" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zymogen/zymogen on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zymogen/zymogen
[INFO] finished tweaking git repo https://github.com/zymogen/zymogen
[INFO] tweaked toml for git repo https://github.com/zymogen/zymogen written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/zymogen/zymogen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded colored v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20279c84c1a9a743284a056389b0fba79c4d19d0a6d14db7f7c1c4ffca305ddf
[INFO] running `Command { std: "docker" "start" "-a" "20279c84c1a9a743284a056389b0fba79c4d19d0a6d14db7f7c1c4ffca305ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20279c84c1a9a743284a056389b0fba79c4d19d0a6d14db7f7c1c4ffca305ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20279c84c1a9a743284a056389b0fba79c4d19d0a6d14db7f7c1c4ffca305ddf", kill_on_drop: false }`
[INFO] [stdout] 20279c84c1a9a743284a056389b0fba79c4d19d0a6d14db7f7c1c4ffca305ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bb31f0e8a9f454254aa4ad3d3ca62d8b4a310d7de3a7131efc221d63f68b969
[INFO] running `Command { std: "docker" "start" "-a" "5bb31f0e8a9f454254aa4ad3d3ca62d8b4a310d7de3a7131efc221d63f68b969", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]  Documenting zymogen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking zymogen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `symbols`
[INFO] [stdout]  --> src/compiler/bytecode.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     symbols: &'t mut SymbolTable,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Context` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/compiler/bytecode.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpNotEqual`
[INFO] [stdout]   --> src/compiler/ir/bytecode.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     JumpNotEqual(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Operation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/compiler/ir/bytecode.rs:2:10
[INFO] [stdout]    |
[INFO] [stdout] 2  | #[derive(Debug, PartialEq, PartialOrd)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Expression`
[INFO] [stdout]    --> src/syntax/parser/mod.rs:144:53
[INFO] [stdout]     |
[INFO] [stdout] 144 |     /// Consume a [`Parser`], returning a list of [`Expression`]'s, or an
[INFO] [stdout]     |                                                     ^^^^^^^^^^ no item named `Expression` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/compiler/normalize.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | //! http://matt.might.net/articles/a-normalization/
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://matt.might.net/articles/a-normalization/>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "5bb31f0e8a9f454254aa4ad3d3ca62d8b4a310d7de3a7131efc221d63f68b969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb31f0e8a9f454254aa4ad3d3ca62d8b4a310d7de3a7131efc221d63f68b969", kill_on_drop: false }`
[INFO] [stdout] 5bb31f0e8a9f454254aa4ad3d3ca62d8b4a310d7de3a7131efc221d63f68b969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 2e78adcdb3229b2e3a746d2e006c14d392e986e7068edeb2c40a663a57a6eae1
[INFO] running `Command { std: "docker" "start" "-a" "2e78adcdb3229b2e3a746d2e006c14d392e986e7068edeb2c40a663a57a6eae1", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]  Documenting zymogen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Expression`
[INFO] [stdout]    --> src/syntax/parser/mod.rs:144:53
[INFO] [stdout]     |
[INFO] [stdout] 144 |     /// Consume a [`Parser`], returning a list of [`Expression`]'s, or an
[INFO] [stdout]     |                                                     ^^^^^^^^^^ no item named `Expression` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/compiler/normalize.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | //! http://matt.might.net/articles/a-normalization/
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://matt.might.net/articles/a-normalization/>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "2e78adcdb3229b2e3a746d2e006c14d392e986e7068edeb2c40a663a57a6eae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e78adcdb3229b2e3a746d2e006c14d392e986e7068edeb2c40a663a57a6eae1", kill_on_drop: false }`
[INFO] [stdout] 2e78adcdb3229b2e3a746d2e006c14d392e986e7068edeb2c40a663a57a6eae1