[INFO] fetching crate json-pop 0.0.2...
[INFO] documenting json-pop-0.0.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate json-pop 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate json-pop 0.0.2 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-pop 0.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate json-pop 0.0.2
[INFO] tweaked toml for crates.io crate json-pop 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate json-pop 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9cd5d7ce22b99db4876a38fbcd1c33af0a4dcaae27800fe7a18dfd5966180eb
[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" "e9cd5d7ce22b99db4876a38fbcd1c33af0a4dcaae27800fe7a18dfd5966180eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9cd5d7ce22b99db4876a38fbcd1c33af0a4dcaae27800fe7a18dfd5966180eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9cd5d7ce22b99db4876a38fbcd1c33af0a4dcaae27800fe7a18dfd5966180eb", kill_on_drop: false }`
[INFO] [stdout] e9cd5d7ce22b99db4876a38fbcd1c33af0a4dcaae27800fe7a18dfd5966180eb
[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" "+1.46.0" "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] bd26253133d65d9fb9f57ebd4663dd9c69afbe9b3d3729377df0acc354ba23c8
[INFO] running `Command { std: "docker" "start" "-a" "bd26253133d65d9fb9f57ebd4663dd9c69afbe9b3d3729377df0acc354ba23c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking lexical v5.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]    Compiling json-pop v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting json-pop v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "bd26253133d65d9fb9f57ebd4663dd9c69afbe9b3d3729377df0acc354ba23c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd26253133d65d9fb9f57ebd4663dd9c69afbe9b3d3729377df0acc354ba23c8", kill_on_drop: false }`
[INFO] [stdout] bd26253133d65d9fb9f57ebd4663dd9c69afbe9b3d3729377df0acc354ba23c8