[INFO] cloning repository https://github.com/hemashushu/practice-toy-lang-interpreter-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hemashushu/practice-toy-lang-interpreter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemashushu%2Fpractice-toy-lang-interpreter-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemashushu%2Fpractice-toy-lang-interpreter-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e21ff480b6d380966ce0494e8823f1acc0beaff8
[INFO] documenting hemashushu/practice-toy-lang-interpreter-rust 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%2Fhemashushu%2Fpractice-toy-lang-interpreter-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hemashushu/practice-toy-lang-interpreter-rust 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/hemashushu/practice-toy-lang-interpreter-rust
[INFO] finished tweaking git repo https://github.com/hemashushu/practice-toy-lang-interpreter-rust
[INFO] tweaked toml for git repo https://github.com/hemashushu/practice-toy-lang-interpreter-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/hemashushu/practice-toy-lang-interpreter-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8c48d02b90a9056b22d78cf396e0e8db7e4684f05ddace956ffbd8f61f30545a
[INFO] running `Command { std: "docker" "start" "-a" "8c48d02b90a9056b22d78cf396e0e8db7e4684f05ddace956ffbd8f61f30545a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c48d02b90a9056b22d78cf396e0e8db7e4684f05ddace956ffbd8f61f30545a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c48d02b90a9056b22d78cf396e0e8db7e4684f05ddace956ffbd8f61f30545a", kill_on_drop: false }`
[INFO] [stdout] 8c48d02b90a9056b22d78cf396e0e8db7e4684f05ddace956ffbd8f61f30545a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f6bdaa53fe47a14fd0872f4d051038c67906fd8b0b7b9309674d7e38c301973d
[INFO] running `Command { std: "docker" "start" "-a" "f6bdaa53fe47a14fd0872f4d051038c67906fd8b0b7b9309674d7e38c301973d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting practice-toy-lang-interpreter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking practice-toy-lang-interpreter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `lookup_keyword`
[INFO] [stdout]    --> src/lexer.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn lookup_keyword(name: &str) -> TokenType {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/lib.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://mozilla.org/MPL/2.0/.>`
[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: this URL is not a hyperlink
[INFO] [stdout]  --> src/error.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://mozilla.org/MPL/2.0/.>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/token.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 |  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://mozilla.org/MPL/2.0/.>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 16s
[INFO] running `Command { std: "docker" "inspect" "f6bdaa53fe47a14fd0872f4d051038c67906fd8b0b7b9309674d7e38c301973d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6bdaa53fe47a14fd0872f4d051038c67906fd8b0b7b9309674d7e38c301973d", kill_on_drop: false }`
[INFO] [stdout] f6bdaa53fe47a14fd0872f4d051038c67906fd8b0b7b9309674d7e38c301973d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] 4c658acc9beeec166b4672bdfee421a0e74432260fb577f66af7f5c0b98628fe
[INFO] running `Command { std: "docker" "start" "-a" "4c658acc9beeec166b4672bdfee421a0e74432260fb577f66af7f5c0b98628fe", kill_on_drop: false }`
[INFO] [stderr]  Documenting practice-toy-lang-interpreter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/lib.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://mozilla.org/MPL/2.0/.>`
[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: this URL is not a hyperlink
[INFO] [stdout]  --> src/error.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 |  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://mozilla.org/MPL/2.0/.>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/token.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 |  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://mozilla.org/MPL/2.0/.>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "4c658acc9beeec166b4672bdfee421a0e74432260fb577f66af7f5c0b98628fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c658acc9beeec166b4672bdfee421a0e74432260fb577f66af7f5c0b98628fe", kill_on_drop: false }`
[INFO] [stdout] 4c658acc9beeec166b4672bdfee421a0e74432260fb577f66af7f5c0b98628fe