[INFO] fetching crate palette 0.6.0...
[INFO] documenting palette-0.6.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate palette 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate palette 0.6.0 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 palette 0.6.0
[INFO] finished tweaking crates.io crate palette 0.6.0
[INFO] tweaked toml for crates.io crate palette 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate palette 0.6.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2e3feab33f784bf8891b555561230adf6b86b74da3db94f3885e1c6f84435e14
[INFO] running `Command { std: "docker" "start" "-a" "2e3feab33f784bf8891b555561230adf6b86b74da3db94f3885e1c6f84435e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e3feab33f784bf8891b555561230adf6b86b74da3db94f3885e1c6f84435e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3feab33f784bf8891b555561230adf6b86b74da3db94f3885e1c6f84435e14", kill_on_drop: false }`
[INFO] [stdout] 2e3feab33f784bf8891b555561230adf6b86b74da3db94f3885e1c6f84435e14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 62a9b840abd01a82b9e2ec266bd02e338bce9c4c2196e1b67f074ad9dbb2bd09
[INFO] running `Command { std: "docker" "start" "-a" "62a9b840abd01a82b9e2ec266bd02e338bce9c4c2196e1b67f074ad9dbb2bd09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling palette v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]    Compiling phf_generator v0.9.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling phf_macros v0.9.0
[INFO] [stderr]    Compiling palette_derive v0.6.0
[INFO] [stderr]     Checking phf v0.9.0
[INFO] [stderr]  Documenting palette v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.48s
[INFO] running `Command { std: "docker" "inspect" "62a9b840abd01a82b9e2ec266bd02e338bce9c4c2196e1b67f074ad9dbb2bd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a9b840abd01a82b9e2ec266bd02e338bce9c4c2196e1b67f074ad9dbb2bd09", kill_on_drop: false }`
[INFO] [stdout] 62a9b840abd01a82b9e2ec266bd02e338bce9c4c2196e1b67f074ad9dbb2bd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9157d87ba2c3a1ad5053c152cb4509b1482939fda02ac94109cd6effe3253b41
[INFO] running `Command { std: "docker" "start" "-a" "9157d87ba2c3a1ad5053c152cb4509b1482939fda02ac94109cd6effe3253b41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling palette v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling phf_generator v0.9.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling phf_macros v0.9.0
[INFO] [stderr]    Compiling palette_derive v0.6.0
[INFO] [stderr]     Checking phf v0.9.0
[INFO] [stderr]  Documenting palette v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "9157d87ba2c3a1ad5053c152cb4509b1482939fda02ac94109cd6effe3253b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9157d87ba2c3a1ad5053c152cb4509b1482939fda02ac94109cd6effe3253b41", kill_on_drop: false }`
[INFO] [stdout] 9157d87ba2c3a1ad5053c152cb4509b1482939fda02ac94109cd6effe3253b41