[INFO] fetching crate balena-cdsl 0.10.6...
[INFO] documenting balena-cdsl-0.10.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate balena-cdsl 0.10.6 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate balena-cdsl 0.10.6 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] removed /workspace/builds/worker-89/source/rust-toolchain
[INFO] started tweaking crates.io crate balena-cdsl 0.10.6
[INFO] finished tweaking crates.io crate balena-cdsl 0.10.6
[INFO] tweaked toml for crates.io crate balena-cdsl 0.10.6 written to /workspace/builds/worker-89/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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] a50905d4ce29276d412d038f448a4980a586fba22f8befa1df365a9e817a9b72
[INFO] running `Command { std: "docker" "start" "-a" "a50905d4ce29276d412d038f448a4980a586fba22f8befa1df365a9e817a9b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a50905d4ce29276d412d038f448a4980a586fba22f8befa1df365a9e817a9b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50905d4ce29276d412d038f448a4980a586fba22f8befa1df365a9e817a9b72", kill_on_drop: false }`
[INFO] [stdout] a50905d4ce29276d412d038f448a4980a586fba22f8befa1df365a9e817a9b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 21c89ea448fec7a3ffb5aad6be7ed4e580de41f46b67d5ebdc93055e4ba9d9d3
[INFO] running `Command { std: "docker" "start" "-a" "21c89ea448fec7a3ffb5aad6be7ed4e580de41f46b67d5ebdc93055e4ba9d9d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling balena-cdsl v0.10.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> build.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> build.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[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] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking yaml-merge-keys v0.3.0
[INFO] [stderr]  Documenting balena-cdsl v0.10.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.34s
[INFO] running `Command { std: "docker" "inspect" "21c89ea448fec7a3ffb5aad6be7ed4e580de41f46b67d5ebdc93055e4ba9d9d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c89ea448fec7a3ffb5aad6be7ed4e580de41f46b67d5ebdc93055e4ba9d9d3", kill_on_drop: false }`
[INFO] [stdout] 21c89ea448fec7a3ffb5aad6be7ed4e580de41f46b67d5ebdc93055e4ba9d9d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 07d186ced7e4966c9338a255d170274d3419640619b02572fde68f92c709f50a
[INFO] running `Command { std: "docker" "start" "-a" "07d186ced7e4966c9338a255d170274d3419640619b02572fde68f92c709f50a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling balena-cdsl v0.10.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> build.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> build.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[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] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking yaml-merge-keys v0.3.0
[INFO] [stderr]  Documenting balena-cdsl v0.10.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.48s
[INFO] running `Command { std: "docker" "inspect" "07d186ced7e4966c9338a255d170274d3419640619b02572fde68f92c709f50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d186ced7e4966c9338a255d170274d3419640619b02572fde68f92c709f50a", kill_on_drop: false }`
[INFO] [stdout] 07d186ced7e4966c9338a255d170274d3419640619b02572fde68f92c709f50a