[INFO] fetching crate cargo-web 0.6.26...
[INFO] documenting cargo-web-0.6.26 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-web 0.6.26 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-web 0.6.26 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 cargo-web 0.6.26
[INFO] finished tweaking crates.io crate cargo-web 0.6.26
[INFO] tweaked toml for crates.io crate cargo-web 0.6.26 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-web 0.6.26 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7100eb950a9e88baf7c6b7d7440cb51d2b6abf2739570dfcd0f678be7866bba9
[INFO] running `Command { std: "docker" "start" "-a" "7100eb950a9e88baf7c6b7d7440cb51d2b6abf2739570dfcd0f678be7866bba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7100eb950a9e88baf7c6b7d7440cb51d2b6abf2739570dfcd0f678be7866bba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7100eb950a9e88baf7c6b7d7440cb51d2b6abf2739570dfcd0f678be7866bba9", kill_on_drop: false }`
[INFO] [stdout] 7100eb950a9e88baf7c6b7d7440cb51d2b6abf2739570dfcd0f678be7866bba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7349bb2b9a1d123f81c8cf54bcca933314dfb75c4d541b9a72afb85d3a578e4d
[INFO] running `Command { std: "docker" "start" "-a" "7349bb2b9a1d123f81c8cf54bcca933314dfb75c4d541b9a72afb85d3a578e4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling openssl v0.10.13
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking base-x v0.2.3
[INFO] [stderr]     Checking filetime v0.2.2
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling openssl-src v111.2.1+1.1.1b
[INFO] [stderr]     Checking parity-wasm v0.35.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking pbr v1.0.1
[INFO] [stderr]     Checking walkdir v2.2.6
[INFO] [stderr]    Compiling pest v2.0.2
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking tar v0.4.18
[INFO] [stderr]     Checking directories v2.0.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.45
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]     Checking hyper v0.12.13
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking cargo_metadata v0.6.1
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.2.0
[INFO] [stderr]     Checking websocket v0.21.1
[INFO] [stderr]     Checking reqwest v0.9.4
[INFO] [stderr]  Documenting cargo-web v0.6.26 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 38s
[INFO] running `Command { std: "docker" "inspect" "7349bb2b9a1d123f81c8cf54bcca933314dfb75c4d541b9a72afb85d3a578e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7349bb2b9a1d123f81c8cf54bcca933314dfb75c4d541b9a72afb85d3a578e4d", kill_on_drop: false }`
[INFO] [stdout] 7349bb2b9a1d123f81c8cf54bcca933314dfb75c4d541b9a72afb85d3a578e4d