[INFO] cloning repository https://github.com/miyachan/torako
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miyachan/torako" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiyachan%2Ftorako", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiyachan%2Ftorako'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d780cfeb5310f83768f8624e1adad134c0836d80
[INFO] documenting miyachan/torako against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiyachan%2Ftorako" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/miyachan/torako 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 git repo https://github.com/miyachan/torako
[INFO] finished tweaking git repo https://github.com/miyachan/torako
[INFO] tweaked toml for git repo https://github.com/miyachan/torako written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/miyachan/torako 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]  Downloading crates ...
[INFO] [stderr]   Downloaded lexical v5.2.0
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded humantime-serde v1.0.0
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[INFO] [stderr]   Downloaded cloudabi v0.1.0
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[INFO] [stderr]   Downloaded no-std-compat v0.4.1
[INFO] [stderr]   Downloaded erased-serde v0.3.12
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded chrono-tz v0.5.2
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded nonzero_ext v0.2.0
[INFO] [stderr]   Downloaded rio v0.9.4
[INFO] [stderr]   Downloaded libz-sys v1.1.0
[INFO] [stderr]   Downloaded async-trait v0.1.38
[INFO] [stderr]   Downloaded trust-dns-resolver v0.19.5
[INFO] [stderr]   Downloaded ipconfig v0.2.2
[INFO] [stderr]   Downloaded ctrlc v3.1.6
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded instant v0.1.6
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.0
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded jemalloc-sys v0.3.2
[INFO] [stderr]   Downloaded backoff v0.2.1
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded lru v0.5.3
[INFO] [stderr]   Downloaded smallstr v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.17
[INFO] [stderr]   Downloaded users v0.10.0
[INFO] [stderr]   Downloaded ipnet v2.3.0
[INFO] [stderr]   Downloaded webpki-roots v0.19.0
[INFO] [stderr]   Downloaded time-macros-impl v0.1.1
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded tracing v0.1.19
[INFO] [stderr]   Downloaded flate2 v1.0.17
[INFO] [stderr]   Downloaded async-compression v0.3.5
[INFO] [stderr]   Downloaded encoding_rs v0.8.24
[INFO] [stderr]   Downloaded reqwest v0.10.7
[INFO] [stderr]   Downloaded quanta v0.4.1
[INFO] [stderr]   Downloaded hyper-rustls v0.21.0
[INFO] [stderr]   Downloaded tokio-rustls v0.14.0
[INFO] [stderr]   Downloaded enum-as-inner v0.3.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.5
[INFO] [stderr]   Downloaded mysql_async v0.24.2
[INFO] [stderr]   Downloaded either v1.6.0
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded fs_extra v1.2.0
[INFO] [stderr]   Downloaded widestring v0.4.2
[INFO] [stderr]   Downloaded time v0.2.16
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded webpki v0.21.3
[INFO] [stderr]   Downloaded tracing-core v0.1.15
[INFO] [stderr]   Downloaded bigdecimal v0.1.2
[INFO] [stderr]   Downloaded lexical-core v0.7.4
[INFO] [stderr]   Downloaded mysql_common v0.22.2
[INFO] [stderr]   Downloaded ring v0.16.15
[INFO] [stderr]   Downloaded rust_decimal v1.7.0
[INFO] [stderr]   Downloaded tokio-socks v0.2.2
[INFO] [stderr]   Downloaded standback v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 531655d7e24f2d9a5659273984683249132182ae3abfa2a4683fe3d929efdcab
[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" "531655d7e24f2d9a5659273984683249132182ae3abfa2a4683fe3d929efdcab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "531655d7e24f2d9a5659273984683249132182ae3abfa2a4683fe3d929efdcab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531655d7e24f2d9a5659273984683249132182ae3abfa2a4683fe3d929efdcab", kill_on_drop: false }`
[INFO] [stdout] 531655d7e24f2d9a5659273984683249132182ae3abfa2a4683fe3d929efdcab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] fc9a1464036304f8a532f2ac3189f562d2027baf46e6e9893783b95bfb8cb50a
[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" "fc9a1464036304f8a532f2ac3189f562d2027baf46e6e9893783b95bfb8cb50a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking nonzero_ext v0.2.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling chrono-tz v0.5.2
[INFO] [stderr]     Checking lexical v5.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[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 signal-hook-registry v1.2.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking quanta v0.4.1
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking async-compression v0.3.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking lru v0.5.3
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking indexmap v1.5.1
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking backoff v0.2.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.16
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.0
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tokio-socks v0.2.2
[INFO] [stderr]     Checking governor v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking rust_decimal v1.7.0
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]     Checking humantime-serde v1.0.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking mysql_common v0.22.2
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking mysql_async v0.24.2
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking warp v0.2.4
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]  Documenting torako v0.6.3-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 13s
[INFO] running `Command { std: "docker" "inspect" "fc9a1464036304f8a532f2ac3189f562d2027baf46e6e9893783b95bfb8cb50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9a1464036304f8a532f2ac3189f562d2027baf46e6e9893783b95bfb8cb50a", kill_on_drop: false }`
[INFO] [stdout] fc9a1464036304f8a532f2ac3189f562d2027baf46e6e9893783b95bfb8cb50a