[INFO] fetching crate equt-md-html 0.1.0...
[INFO] documenting equt-md-html-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate equt-md-html 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate equt-md-html 0.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate equt-md-html 0.1.0
[INFO] finished tweaking crates.io crate equt-md-html 0.1.0
[INFO] tweaked toml for crates.io crate equt-md-html 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded quick-js v0.3.4
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded copy_dir v0.1.2
[INFO] [stderr]   Downloaded walkdir v0.1.8
[INFO] [stderr]   Downloaded libquickjs-sys v0.7.0
[INFO] [stderr]   Downloaded katex v0.2.4
[INFO] [stderr]   Downloaded equt-md-ext v0.1.1
[INFO] [stderr]   Downloaded equt-md-error v0.1.1
[INFO] [stderr]   Downloaded equt-md v0.0.1
[INFO] [stderr]   Downloaded equt-md-frontmatter v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 0abce1a973c3c1bfe6fe1329e152d8ad6edcca63dbcb7315014e782eb28c3487
[INFO] running `Command { std: "docker" "start" "-a" "0abce1a973c3c1bfe6fe1329e152d8ad6edcca63dbcb7315014e782eb28c3487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0abce1a973c3c1bfe6fe1329e152d8ad6edcca63dbcb7315014e782eb28c3487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abce1a973c3c1bfe6fe1329e152d8ad6edcca63dbcb7315014e782eb28c3487", kill_on_drop: false }`
[INFO] [stdout] 0abce1a973c3c1bfe6fe1329e152d8ad6edcca63dbcb7315014e782eb28c3487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6697ae2c0600fe3a0469155628f9d29b09d9507ecd8a201c79b89ea45b88caf7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6697ae2c0600fe3a0469155628f9d29b09d9507ecd8a201c79b89ea45b88caf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking equt-md v0.0.1
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling copy_dir v0.1.2
[INFO] [stderr]    Compiling libquickjs-sys v0.7.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking equt-md-frontmatter v0.1.1
[INFO] [stderr]     Checking quick-js v0.3.4
[INFO] [stderr]     Checking katex v0.2.4
[INFO] [stderr]     Checking equt-md-error v0.1.1
[INFO] [stderr]     Checking equt-md-ext v0.1.1
[INFO] [stderr]  Documenting equt-md-html v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "6697ae2c0600fe3a0469155628f9d29b09d9507ecd8a201c79b89ea45b88caf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6697ae2c0600fe3a0469155628f9d29b09d9507ecd8a201c79b89ea45b88caf7", kill_on_drop: false }`
[INFO] [stdout] 6697ae2c0600fe3a0469155628f9d29b09d9507ecd8a201c79b89ea45b88caf7