[INFO] cloning repository https://github.com/approvers/MeigenBot-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/approvers/MeigenBot-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapprovers%2FMeigenBot-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapprovers%2FMeigenBot-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09c57aee2b9920a17a6e657b04a19eaee88769a5
[INFO] documenting approvers/MeigenBot-Rust 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%2Fapprovers%2FMeigenBot-Rust" "/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/approvers/MeigenBot-Rust 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/approvers/MeigenBot-Rust
[INFO] finished tweaking git repo https://github.com/approvers/MeigenBot-Rust
[INFO] tweaked toml for git repo https://github.com/approvers/MeigenBot-Rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/approvers/MeigenBot-Rust 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]     Updating git repository `https://github.com/serenity-rs/serenity`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_info v2.0.8
[INFO] [stderr]   Downloaded bson v1.1.0
[INFO] [stderr]   Downloaded mongodb v1.1.0
[INFO] [stderr]   Downloaded async-tls v0.9.0
[INFO] [stderr]   Downloaded async-tungstenite v0.8.0
[INFO] [stderr]   Downloaded tungstenite v0.11.1
[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] 8cd27f6925ea8169a15c3ae585beb789ad825784f2126fef13104c5ca96d6af2
[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" "8cd27f6925ea8169a15c3ae585beb789ad825784f2126fef13104c5ca96d6af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cd27f6925ea8169a15c3ae585beb789ad825784f2126fef13104c5ca96d6af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd27f6925ea8169a15c3ae585beb789ad825784f2126fef13104c5ca96d6af2", kill_on_drop: false }`
[INFO] [stdout] 8cd27f6925ea8169a15c3ae585beb789ad825784f2126fef13104c5ca96d6af2
[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] a719d3da70527335143f52dcff2d67237c4ce5600660066a3dabc12e6ece607c
[INFO] running `Command { std: "docker" "start" "-a" "a719d3da70527335143f52dcff2d67237c4ce5600660066a3dabc12e6ece607c", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling serenity v0.9.0-rc.0 (https://github.com/serenity-rs/serenity?branch=next#f00f1c0e)
[INFO] [stderr]     Checking typemap_rev v0.1.3
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking os_info v2.0.8
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling readonly v0.1.6
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking futures-intrusive v0.3.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_with v1.4.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking bson v1.1.0
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking tokio-rustls v0.14.0
[INFO] [stderr]     Checking async-tls v0.9.0
[INFO] [stderr]     Checking async-tungstenite v0.8.0
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking warp v0.2.4
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking mongodb v1.1.0
[INFO] [stderr]  Documenting meigenbot-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `Command { std: "docker" "inspect" "a719d3da70527335143f52dcff2d67237c4ce5600660066a3dabc12e6ece607c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a719d3da70527335143f52dcff2d67237c4ce5600660066a3dabc12e6ece607c", kill_on_drop: false }`
[INFO] [stdout] a719d3da70527335143f52dcff2d67237c4ce5600660066a3dabc12e6ece607c