[INFO] cloning repository https://github.com/zeapo/barberousse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zeapo/barberousse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeapo%2Fbarberousse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeapo%2Fbarberousse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91663c7de7ab3f851115d64172b4ebe5952dd587
[INFO] documenting zeapo/barberousse 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%2Fzeapo%2Fbarberousse" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zeapo/barberousse 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/zeapo/barberousse
[INFO] finished tweaking git repo https://github.com/zeapo/barberousse
[INFO] tweaked toml for git repo https://github.com/zeapo/barberousse written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zeapo/barberousse 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]  Downloading crates ...
[INFO] [stderr]   Downloaded doc-comment v0.3.3
[INFO] [stderr]   Downloaded kstring v0.1.1
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded os_str_bytes v2.3.1
[INFO] [stderr]   Downloaded shell-words v1.0.0
[INFO] [stderr]   Downloaded onig v6.0.0
[INFO] [stderr]   Downloaded git2 v0.13.6
[INFO] [stderr]   Downloaded liquid-core v0.20.2
[INFO] [stderr]   Downloaded liquid-derive v0.20.1
[INFO] [stderr]   Downloaded liquid-lib v0.20.2
[INFO] [stderr]   Downloaded syntect v4.2.0
[INFO] [stderr]   Downloaded rusoto_secretsmanager v0.44.0
[INFO] [stderr]   Downloaded rusoto_signature v0.44.0
[INFO] [stderr]   Downloaded ansi_colours v1.0.1
[INFO] [stderr]   Downloaded rusoto_core v0.44.0
[INFO] [stderr]   Downloaded rusoto_credential v0.44.0
[INFO] [stderr]   Downloaded wild v2.0.4
[INFO] [stderr]   Downloaded time v0.2.16
[INFO] [stderr]   Downloaded standback v0.2.9
[INFO] [stderr]   Downloaded path_abs v0.5.0
[INFO] [stderr]   Downloaded content_inspector v0.2.4
[INFO] [stderr]   Downloaded std_prelude v0.2.12
[INFO] [stderr]   Downloaded bat v0.15.4
[INFO] [stderr]   Downloaded libgit2-sys v0.12.7+1.0.0
[INFO] [stderr]   Downloaded liquid v0.20.1
[INFO] [stderr]   Downloaded onig_sys v69.5.0
[INFO] [stderr]   Downloaded promptly v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 87acdd5c970d157c709b3aae3921d9977e222419313fed6f5e5b7aee207e71a6
[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" "87acdd5c970d157c709b3aae3921d9977e222419313fed6f5e5b7aee207e71a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87acdd5c970d157c709b3aae3921d9977e222419313fed6f5e5b7aee207e71a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87acdd5c970d157c709b3aae3921d9977e222419313fed6f5e5b7aee207e71a6", kill_on_drop: false }`
[INFO] [stdout] 87acdd5c970d157c709b3aae3921d9977e222419313fed6f5e5b7aee207e71a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c1df2ea8b9c99c234520210ef78a6c46efddafdeaf7702cb7d09a1232ee261d
[INFO] running `Command { std: "docker" "start" "-a" "0c1df2ea8b9c99c234520210ef78a6c46efddafdeaf7702cb7d09a1232ee261d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.3.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking path_abs v0.5.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling rusoto_core v0.44.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling onig_sys v69.5.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.7+1.0.0
[INFO] [stderr]    Compiling ansi_colours v1.0.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking onig v6.0.0
[INFO] [stderr]    Compiling proc-quote v0.3.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]     Checking promptly v0.3.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling liquid-derive v0.20.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]    Compiling kstring v0.1.1
[INFO] [stderr]     Checking syntect v4.2.0
[INFO] [stderr]    Compiling liquid-core v0.20.2
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling liquid-lib v0.20.2
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]    Compiling liquid v0.20.1
[INFO] [stderr]    Compiling bat v0.15.4
[INFO] [stderr]     Checking rusoto_credential v0.44.0
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking rusoto_signature v0.44.0
[INFO] [stderr]     Checking rusoto_secretsmanager v0.44.0
[INFO] [stderr]  Documenting barberousse v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 08s
[INFO] running `Command { std: "docker" "inspect" "0c1df2ea8b9c99c234520210ef78a6c46efddafdeaf7702cb7d09a1232ee261d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1df2ea8b9c99c234520210ef78a6c46efddafdeaf7702cb7d09a1232ee261d", kill_on_drop: false }`
[INFO] [stdout] 0c1df2ea8b9c99c234520210ef78a6c46efddafdeaf7702cb7d09a1232ee261d