[INFO] fetching crate wasmlite 0.0.1...
[INFO] documenting wasmlite-0.0.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate wasmlite 0.0.1 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate wasmlite 0.0.1 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 crates.io crate wasmlite 0.0.1
[INFO] finished tweaking crates.io crate wasmlite 0.0.1
[INFO] tweaked toml for crates.io crate wasmlite 0.0.1 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] da34dc3bbf8fa4b3eee32d0ae8a3d5cce9bcc0c5aa7b24ff79389d9f406a265a
[INFO] running `Command { std: "docker" "start" "-a" "da34dc3bbf8fa4b3eee32d0ae8a3d5cce9bcc0c5aa7b24ff79389d9f406a265a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da34dc3bbf8fa4b3eee32d0ae8a3d5cce9bcc0c5aa7b24ff79389d9f406a265a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da34dc3bbf8fa4b3eee32d0ae8a3d5cce9bcc0c5aa7b24ff79389d9f406a265a", kill_on_drop: false }`
[INFO] [stdout] da34dc3bbf8fa4b3eee32d0ae8a3d5cce9bcc0c5aa7b24ff79389d9f406a265a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 86b6438bb223bcfcfc7918d433951c45188f2d47a786b7a42ed8973673a79ba5
[INFO] running `Command { std: "docker" "start" "-a" "86b6438bb223bcfcfc7918d433951c45188f2d47a786b7a42ed8973673a79ba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking wasmlite-utils v0.0.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling llvm-sys v60.6.0
[INFO] [stderr]     Checking wasmlite-llvm v0.0.1
[INFO] [stderr]     Checking wasmlite-parser v0.0.1
[INFO] [stderr]  Documenting wasmlite v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wasmlite v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]  --> src/utils.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn read_file(filename: &str) -> Vec<u8> {
[INFO] [stdout]   |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/utils.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn read_file(filename: &str) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.59s
[INFO] running `Command { std: "docker" "inspect" "86b6438bb223bcfcfc7918d433951c45188f2d47a786b7a42ed8973673a79ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b6438bb223bcfcfc7918d433951c45188f2d47a786b7a42ed8973673a79ba5", kill_on_drop: false }`
[INFO] [stdout] 86b6438bb223bcfcfc7918d433951c45188f2d47a786b7a42ed8973673a79ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 6e05541a9388c9ba3b3923c986562d063d3b11807564ec70a185d5fabf195d28
[INFO] running `Command { std: "docker" "start" "-a" "6e05541a9388c9ba3b3923c986562d063d3b11807564ec70a185d5fabf195d28", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking wasmlite-utils v0.0.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling llvm-sys v60.6.0
[INFO] [stderr]     Checking wasmlite-llvm v0.0.1
[INFO] [stderr]     Checking wasmlite-parser v0.0.1
[INFO] [stderr]  Documenting wasmlite v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.78s
[INFO] running `Command { std: "docker" "inspect" "6e05541a9388c9ba3b3923c986562d063d3b11807564ec70a185d5fabf195d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e05541a9388c9ba3b3923c986562d063d3b11807564ec70a185d5fabf195d28", kill_on_drop: false }`
[INFO] [stdout] 6e05541a9388c9ba3b3923c986562d063d3b11807564ec70a185d5fabf195d28