[INFO] fetching crate mathml-rs 0.1.2...
[INFO] documenting mathml-rs-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate mathml-rs 0.1.2 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate mathml-rs 0.1.2 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 mathml-rs 0.1.2
[INFO] finished tweaking crates.io crate mathml-rs 0.1.2
[INFO] tweaked toml for crates.io crate mathml-rs 0.1.2 written to /workspace/builds/worker-33/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] [stderr]     Blocking waiting for file lock on package cache
[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 mathru v0.9.1
[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] [stderr]   Downloaded mathml-macros v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 00cfd305a4f8b6c6147e0eb1577e778406dcaf77ce101c0a9e00de56c73ab00f
[INFO] running `Command { std: "docker" "start" "-a" "00cfd305a4f8b6c6147e0eb1577e778406dcaf77ce101c0a9e00de56c73ab00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00cfd305a4f8b6c6147e0eb1577e778406dcaf77ce101c0a9e00de56c73ab00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00cfd305a4f8b6c6147e0eb1577e778406dcaf77ce101c0a9e00de56c73ab00f", kill_on_drop: false }`
[INFO] [stdout] 00cfd305a4f8b6c6147e0eb1577e778406dcaf77ce101c0a9e00de56c73ab00f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 81d70a0fce8e7771b052636297c627ecebf4e43f4663dc564034f142bb2ba851
[INFO] running `Command { std: "docker" "start" "-a" "81d70a0fce8e7771b052636297c627ecebf4e43f4663dc564034f142bb2ba851", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking mathru v0.9.1
[INFO] [stderr]    Compiling mathml-macros v0.1.1
[INFO] [stderr]  Documenting mathml-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.69s
[INFO] running `Command { std: "docker" "inspect" "81d70a0fce8e7771b052636297c627ecebf4e43f4663dc564034f142bb2ba851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d70a0fce8e7771b052636297c627ecebf4e43f4663dc564034f142bb2ba851", kill_on_drop: false }`
[INFO] [stdout] 81d70a0fce8e7771b052636297c627ecebf4e43f4663dc564034f142bb2ba851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] d619145e3a44c42ce1e14e7db20fc4eaf4d6a980c7e795e1667ce53fd4de2c7f
[INFO] running `Command { std: "docker" "start" "-a" "d619145e3a44c42ce1e14e7db20fc4eaf4d6a980c7e795e1667ce53fd4de2c7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking mathru v0.9.1
[INFO] [stderr]    Compiling mathml-macros v0.1.1
[INFO] [stderr]  Documenting mathml-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `Command { std: "docker" "inspect" "d619145e3a44c42ce1e14e7db20fc4eaf4d6a980c7e795e1667ce53fd4de2c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d619145e3a44c42ce1e14e7db20fc4eaf4d6a980c7e795e1667ce53fd4de2c7f", kill_on_drop: false }`
[INFO] [stdout] d619145e3a44c42ce1e14e7db20fc4eaf4d6a980c7e795e1667ce53fd4de2c7f