[INFO] fetching crate spor 0.3.0...
[INFO] documenting spor-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate spor 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate spor 0.3.0 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 spor 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate spor 0.3.0
[INFO] tweaked toml for crates.io crate spor 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate spor 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a4b879ea167974f60bc24dbea7eecc946745ebaf404676b625fc2d1f51e84b3
[INFO] running `Command { std: "docker" "start" "-a" "6a4b879ea167974f60bc24dbea7eecc946745ebaf404676b625fc2d1f51e84b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a4b879ea167974f60bc24dbea7eecc946745ebaf404676b625fc2d1f51e84b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4b879ea167974f60bc24dbea7eecc946745ebaf404676b625fc2d1f51e84b3", kill_on_drop: false }`
[INFO] [stdout] 6a4b879ea167974f60bc24dbea7eecc946745ebaf404676b625fc2d1f51e84b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 90728d5eb887f968d599551a30c24412179a22c734699233702ed7a67f042eec
[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" "90728d5eb887f968d599551a30c24412179a22c734699233702ed7a67f042eec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking exit-code v1.0.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]  Documenting spor v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.81s
[INFO] running `Command { std: "docker" "inspect" "90728d5eb887f968d599551a30c24412179a22c734699233702ed7a67f042eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90728d5eb887f968d599551a30c24412179a22c734699233702ed7a67f042eec", kill_on_drop: false }`
[INFO] [stdout] 90728d5eb887f968d599551a30c24412179a22c734699233702ed7a67f042eec