[INFO] fetching crate so 0.4.2...
[INFO] documenting so-0.4.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate so 0.4.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate so 0.4.2 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 so 0.4.2
[INFO] finished tweaking crates.io crate so 0.4.2
[INFO] tweaked toml for crates.io crate so 0.4.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate so 0.4.2 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumset v1.0.0
[INFO] [stderr]   Downloaded cursive v0.15.0
[INFO] [stderr]   Downloaded scraper v0.12.0
[INFO] [stderr]   Downloaded selectors v0.22.0
[INFO] [stderr]   Downloaded crossterm v0.17.6
[INFO] [stderr]   Downloaded cssparser-macros v0.6.0
[INFO] [stderr]   Downloaded ahash v0.4.3
[INFO] [stderr]   Downloaded cursive_core v0.1.1
[INFO] [stderr]   Downloaded termimad v0.8.25
[INFO] [stderr]   Downloaded cssparser v0.27.2
[INFO] [stderr]   Downloaded array-macro v1.0.5
[INFO] [stderr]   Downloaded enumset_derive v0.5.0
[INFO] [stderr]   Downloaded minimad v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 74c92de3e7bd0357dd7de3c475efb5485ccb25e22c4a2456bef026d1b9668979
[INFO] running `Command { std: "docker" "start" "-a" "74c92de3e7bd0357dd7de3c475efb5485ccb25e22c4a2456bef026d1b9668979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74c92de3e7bd0357dd7de3c475efb5485ccb25e22c4a2456bef026d1b9668979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c92de3e7bd0357dd7de3c475efb5485ccb25e22c4a2456bef026d1b9668979", kill_on_drop: false }`
[INFO] [stdout] 74c92de3e7bd0357dd7de3c475efb5485ccb25e22c4a2456bef026d1b9668979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 52a41d182a35db6ef4ac170f84108a9fc5a0e99398aa8f2ac11361e815e048df
[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" "52a41d182a35db6ef4ac170f84108a9fc5a0e99398aa8f2ac11361e815e048df", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking minimad v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking num-traits v0.2.12
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking async-compression v0.3.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.4.3
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking enumset v1.0.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking crossterm v0.17.6
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking termimad v0.8.25
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking cursive_core v0.1.1
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking cursive v0.15.0
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking scraper v0.12.0
[INFO] [stderr]  Documenting so v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `Command { std: "docker" "inspect" "52a41d182a35db6ef4ac170f84108a9fc5a0e99398aa8f2ac11361e815e048df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a41d182a35db6ef4ac170f84108a9fc5a0e99398aa8f2ac11361e815e048df", kill_on_drop: false }`
[INFO] [stdout] 52a41d182a35db6ef4ac170f84108a9fc5a0e99398aa8f2ac11361e815e048df