[INFO] fetching crate mycroft-macros-impl 0.0.1...
[INFO] documenting mycroft-macros-impl-0.0.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate mycroft-macros-impl 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mycroft-macros-impl 0.0.1 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 mycroft-macros-impl 0.0.1
[INFO] finished tweaking crates.io crate mycroft-macros-impl 0.0.1
[INFO] tweaked toml for crates.io crate mycroft-macros-impl 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mycroft v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14e9ff0c10c928271d00e2cf76bc2b4b365a40120bb8187adfea9be03e2332e3
[INFO] running `Command { std: "docker" "start" "-a" "14e9ff0c10c928271d00e2cf76bc2b4b365a40120bb8187adfea9be03e2332e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14e9ff0c10c928271d00e2cf76bc2b4b365a40120bb8187adfea9be03e2332e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e9ff0c10c928271d00e2cf76bc2b4b365a40120bb8187adfea9be03e2332e3", kill_on_drop: false }`
[INFO] [stdout] 14e9ff0c10c928271d00e2cf76bc2b4b365a40120bb8187adfea9be03e2332e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10fea2c9c176ba34fff26db1820ef79caf5ce48396a8cb68a3ad9a242f92daf5
[INFO] running `Command { std: "docker" "start" "-a" "10fea2c9c176ba34fff26db1820ef79caf5ce48396a8cb68a3ad9a242f92daf5", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]     Checking proc-macro2 v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.65
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking quote v0.4.2
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking proc-macro-hack v0.4.3
[INFO] [stderr]     Checking mycroft v0.0.1
[INFO] [stderr]  Documenting mycroft-macros-impl v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.35s
[INFO] running `Command { std: "docker" "inspect" "10fea2c9c176ba34fff26db1820ef79caf5ce48396a8cb68a3ad9a242f92daf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fea2c9c176ba34fff26db1820ef79caf5ce48396a8cb68a3ad9a242f92daf5", kill_on_drop: false }`
[INFO] [stdout] 10fea2c9c176ba34fff26db1820ef79caf5ce48396a8cb68a3ad9a242f92daf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94dedd1505a63f9e2665338e54ff1f78423a0d5bd7992abe3b9ce73b44cb593e
[INFO] running `Command { std: "docker" "start" "-a" "94dedd1505a63f9e2665338e54ff1f78423a0d5bd7992abe3b9ce73b44cb593e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]     Checking proc-macro2 v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking quote v0.4.2
[INFO] [stderr]     Checking proc-macro-hack v0.4.3
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking mycroft v0.0.1
[INFO] [stderr]  Documenting mycroft-macros-impl v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.21s
[INFO] running `Command { std: "docker" "inspect" "94dedd1505a63f9e2665338e54ff1f78423a0d5bd7992abe3b9ce73b44cb593e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94dedd1505a63f9e2665338e54ff1f78423a0d5bd7992abe3b9ce73b44cb593e", kill_on_drop: false }`
[INFO] [stdout] 94dedd1505a63f9e2665338e54ff1f78423a0d5bd7992abe3b9ce73b44cb593e