[INFO] cloning repository https://github.com/alexryndin/lis2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexryndin/lis2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexryndin%2Flis2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexryndin%2Flis2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad890d5829527e01d53a7d95b20bd3e84f20f118
[INFO] documenting alexryndin/lis2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexryndin%2Flis2" "/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/alexryndin/lis2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexryndin/lis2
[INFO] finished tweaking git repo https://github.com/alexryndin/lis2
[INFO] tweaked toml for git repo https://github.com/alexryndin/lis2 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/alexryndin/lis2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9244cc2157b937e5eaf9bfc6f85da201d809c717e944549b6ec1bd296884e3c8
[INFO] running `Command { std: "docker" "start" "-a" "9244cc2157b937e5eaf9bfc6f85da201d809c717e944549b6ec1bd296884e3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9244cc2157b937e5eaf9bfc6f85da201d809c717e944549b6ec1bd296884e3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9244cc2157b937e5eaf9bfc6f85da201d809c717e944549b6ec1bd296884e3c8", kill_on_drop: false }`
[INFO] [stdout] 9244cc2157b937e5eaf9bfc6f85da201d809c717e944549b6ec1bd296884e3c8
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b21cd8115db1d9a049acb417ae11e401d4bbdb2b3e2b3de9fe89f818a62a6270
[INFO] running `Command { std: "docker" "start" "-a" "b21cd8115db1d9a049acb417ae11e401d4bbdb2b3e2b3de9fe89f818a62a6270", kill_on_drop: false }`
[INFO] [stderr]  Documenting lis2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lis2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::env::ParentEnv`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::env::ParentEnv;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EnvError`
[INFO] [stdout]  --> src/ast.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::env::{Env, EnvRef, EnvError};
[INFO] [stdout]   |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Env`
[INFO] [stdout]  --> src/builtin.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::env::{Env, EnvRef};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/ast.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/ast.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let env = Env::new(None);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/env.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/builtin.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn lambda (mut val: Sexpr, env: EnvRef) -> Result<Val, ASTError> {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `error`
[INFO] [stdout]   --> src/parser.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     error: ErrorKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parser.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[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: field is never read: `sym`
[INFO] [stdout]   --> src/ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     sym: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.04s
[INFO] running `Command { std: "docker" "inspect" "b21cd8115db1d9a049acb417ae11e401d4bbdb2b3e2b3de9fe89f818a62a6270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21cd8115db1d9a049acb417ae11e401d4bbdb2b3e2b3de9fe89f818a62a6270", kill_on_drop: false }`
[INFO] [stdout] b21cd8115db1d9a049acb417ae11e401d4bbdb2b3e2b3de9fe89f818a62a6270
[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" "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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] ba0e7ce9ad600e3c65554863cc50d4e49dd79b5400effeae3447e89c30e6e73c
[INFO] running `Command { std: "docker" "start" "-a" "ba0e7ce9ad600e3c65554863cc50d4e49dd79b5400effeae3447e89c30e6e73c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting lis2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "ba0e7ce9ad600e3c65554863cc50d4e49dd79b5400effeae3447e89c30e6e73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0e7ce9ad600e3c65554863cc50d4e49dd79b5400effeae3447e89c30e6e73c", kill_on_drop: false }`
[INFO] [stdout] ba0e7ce9ad600e3c65554863cc50d4e49dd79b5400effeae3447e89c30e6e73c