[INFO] fetching crate arbor 0.1.0...
[INFO] documenting arbor-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate arbor 0.1.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate arbor 0.1.0 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 crates.io crate arbor 0.1.0
[INFO] finished tweaking crates.io crate arbor 0.1.0
[INFO] tweaked toml for crates.io crate arbor 0.1.0 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate arbor 0.1.0 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 standback v0.2.15
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.71
[INFO] [stderr]   Downloaded time v0.2.25
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.71
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.71
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.71
[INFO] [stderr]   Downloaded const_fn v0.4.5
[INFO] [stderr]   Downloaded serde_derive v1.0.124
[INFO] [stderr]   Downloaded serde v1.0.124
[INFO] [stderr]   Downloaded time-macros-impl v0.1.1
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] a2b13c9fb8f478d58d0d199a70a76956785d1a9f20e3ce61deac37b41c09c9c3
[INFO] running `Command { std: "docker" "start" "-a" "a2b13c9fb8f478d58d0d199a70a76956785d1a9f20e3ce61deac37b41c09c9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b13c9fb8f478d58d0d199a70a76956785d1a9f20e3ce61deac37b41c09c9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b13c9fb8f478d58d0d199a70a76956785d1a9f20e3ce61deac37b41c09c9c3", kill_on_drop: false }`
[INFO] [stdout] a2b13c9fb8f478d58d0d199a70a76956785d1a9f20e3ce61deac37b41c09c9c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 5bef009c065aef8e87c2668f8099815e1cb144957595e428a07ba7208fdb966f
[INFO] running `Command { std: "docker" "start" "-a" "5bef009c065aef8e87c2668f8099815e1cb144957595e428a07ba7208fdb966f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking arbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting arbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.15s
[INFO] running `Command { std: "docker" "inspect" "5bef009c065aef8e87c2668f8099815e1cb144957595e428a07ba7208fdb966f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bef009c065aef8e87c2668f8099815e1cb144957595e428a07ba7208fdb966f", kill_on_drop: false }`
[INFO] [stdout] 5bef009c065aef8e87c2668f8099815e1cb144957595e428a07ba7208fdb966f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 8201da9c51bf6f3c5c1ed6f0ad6b4172f226070c46314dcfc40b225f4fa57b37
[INFO] running `Command { std: "docker" "start" "-a" "8201da9c51bf6f3c5c1ed6f0ad6b4172f226070c46314dcfc40b225f4fa57b37", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]  Documenting arbor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.51s
[INFO] running `Command { std: "docker" "inspect" "8201da9c51bf6f3c5c1ed6f0ad6b4172f226070c46314dcfc40b225f4fa57b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8201da9c51bf6f3c5c1ed6f0ad6b4172f226070c46314dcfc40b225f4fa57b37", kill_on_drop: false }`
[INFO] [stdout] 8201da9c51bf6f3c5c1ed6f0ad6b4172f226070c46314dcfc40b225f4fa57b37