[INFO] cloning repository https://github.com/AlekseyKanaev/chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlekseyKanaev/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlekseyKanaev%2Fchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlekseyKanaev%2Fchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f67fe8b39ba326850cffcda48cd46434130092f6
[INFO] documenting AlekseyKanaev/chat against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlekseyKanaev%2Fchat" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlekseyKanaev/chat on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlekseyKanaev/chat
[INFO] finished tweaking git repo https://github.com/AlekseyKanaev/chat
[INFO] tweaked toml for git repo https://github.com/AlekseyKanaev/chat written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/AlekseyKanaev/chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0052eaeccd8bfed33ec74aa648fe6bcf9982f90ac6bc8e205a2d77cd6dbd1bf
[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" "d0052eaeccd8bfed33ec74aa648fe6bcf9982f90ac6bc8e205a2d77cd6dbd1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0052eaeccd8bfed33ec74aa648fe6bcf9982f90ac6bc8e205a2d77cd6dbd1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0052eaeccd8bfed33ec74aa648fe6bcf9982f90ac6bc8e205a2d77cd6dbd1bf", kill_on_drop: false }`
[INFO] [stdout] d0052eaeccd8bfed33ec74aa648fe6bcf9982f90ac6bc8e205a2d77cd6dbd1bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cd76fa7fde47be5903e061156c2c5523e0fcc24a022a92157e57b430a7006e7
[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" "9cd76fa7fde47be5903e061156c2c5523e0fcc24a022a92157e57b430a7006e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]    Compiling time v0.2.17
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking async-mutex v1.2.0
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking os_info v2.0.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking polling v0.1.7
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking blowfish v0.6.0
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking uuid v0.8.1
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[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking headers v0.3.2
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[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking simple_logger v1.9.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.20
[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
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[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
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[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_with v1.4.0
[INFO] [stderr]     Checking bson v1.1.0
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking mongodb v1.1.0
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]  Documenting chat_backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 57s
[INFO] running `Command { std: "docker" "inspect" "9cd76fa7fde47be5903e061156c2c5523e0fcc24a022a92157e57b430a7006e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd76fa7fde47be5903e061156c2c5523e0fcc24a022a92157e57b430a7006e7", kill_on_drop: false }`
[INFO] [stdout] 9cd76fa7fde47be5903e061156c2c5523e0fcc24a022a92157e57b430a7006e7