[INFO] fetching crate chksum-ffi 0.1.0-rc3...
[INFO] documenting chksum-ffi-0.1.0-rc3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate chksum-ffi 0.1.0-rc3 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate chksum-ffi 0.1.0-rc3 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 chksum-ffi 0.1.0-rc3
[INFO] finished tweaking crates.io crate chksum-ffi 0.1.0-rc3
[INFO] tweaked toml for crates.io crate chksum-ffi 0.1.0-rc3 written to /workspace/builds/worker-68/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] [stderr]     Blocking waiting for file lock on package cache
[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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 04ac350a6dcd4dde9345c97df56d356448e726293513657b6c0b7819db904a78
[INFO] running `Command { std: "docker" "start" "-a" "04ac350a6dcd4dde9345c97df56d356448e726293513657b6c0b7819db904a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04ac350a6dcd4dde9345c97df56d356448e726293513657b6c0b7819db904a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ac350a6dcd4dde9345c97df56d356448e726293513657b6c0b7819db904a78", kill_on_drop: false }`
[INFO] [stdout] 04ac350a6dcd4dde9345c97df56d356448e726293513657b6c0b7819db904a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] a0dcdc7a1e5b51ad8d55f241db9ffc052c60b9b05cea09a788ffe884fc7c10ea
[INFO] running `Command { std: "docker" "start" "-a" "a0dcdc7a1e5b51ad8d55f241db9ffc052c60b9b05cea09a788ffe884fc7c10ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking chksum-traits v0.1.0-rc3
[INFO] [stderr]    Compiling chksum-hash v0.1.0-rc3
[INFO] [stderr]     Checking chksum-config v0.1.0-rc3
[INFO] [stderr]     Checking chksum-arch v0.1.0-rc3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking chksum v0.1.0-rc3
[INFO] [stderr]  Documenting chksum-ffi v0.1.0-rc3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.07s
[INFO] running `Command { std: "docker" "inspect" "a0dcdc7a1e5b51ad8d55f241db9ffc052c60b9b05cea09a788ffe884fc7c10ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0dcdc7a1e5b51ad8d55f241db9ffc052c60b9b05cea09a788ffe884fc7c10ea", kill_on_drop: false }`
[INFO] [stdout] a0dcdc7a1e5b51ad8d55f241db9ffc052c60b9b05cea09a788ffe884fc7c10ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 6d80f181304f59b5c141c7b25ef4c404d11fe824e22b4a39049d589715fdc132
[INFO] running `Command { std: "docker" "start" "-a" "6d80f181304f59b5c141c7b25ef4c404d11fe824e22b4a39049d589715fdc132", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking chksum-traits v0.1.0-rc3
[INFO] [stderr]    Compiling chksum-hash v0.1.0-rc3
[INFO] [stderr]     Checking chksum-config v0.1.0-rc3
[INFO] [stderr]     Checking chksum-arch v0.1.0-rc3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking chksum v0.1.0-rc3
[INFO] [stderr]  Documenting chksum-ffi v0.1.0-rc3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.81s
[INFO] running `Command { std: "docker" "inspect" "6d80f181304f59b5c141c7b25ef4c404d11fe824e22b4a39049d589715fdc132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d80f181304f59b5c141c7b25ef4c404d11fe824e22b4a39049d589715fdc132", kill_on_drop: false }`
[INFO] [stdout] 6d80f181304f59b5c141c7b25ef4c404d11fe824e22b4a39049d589715fdc132