[INFO] cloning repository https://github.com/hdhoang/luser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hdhoang/luser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdhoang%2Fluser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdhoang%2Fluser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30235a77e0a5c24fcccf68de35e47b29e7bcfead
[INFO] documenting hdhoang/luser 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%2Fhdhoang%2Fluser" "/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/hdhoang/luser 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/hdhoang/luser
[INFO] finished tweaking git repo https://github.com/hdhoang/luser
[INFO] tweaked toml for git repo https://github.com/hdhoang/luser written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/hdhoang/luser 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] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 irc-proto v0.14.0
[INFO] [stderr]   Downloaded irc v0.14.1
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fca1568a927ff7b804b822d2caf9f5f1fae9f1c5b0d28a08ecca20f835e1c1f1
[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" "fca1568a927ff7b804b822d2caf9f5f1fae9f1c5b0d28a08ecca20f835e1c1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fca1568a927ff7b804b822d2caf9f5f1fae9f1c5b0d28a08ecca20f835e1c1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca1568a927ff7b804b822d2caf9f5f1fae9f1c5b0d28a08ecca20f835e1c1f1", kill_on_drop: false }`
[INFO] [stdout] fca1568a927ff7b804b822d2caf9f5f1fae9f1c5b0d28a08ecca20f835e1c1f1
[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-2020-08-29" "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] db83c20edd8427e4890a4988f94f658ffb633349f40f1337392dc2b49fc35e71
[INFO] running `Command { std: "docker" "start" "-a" "db83c20edd8427e4890a4988f94f658ffb633349f40f1337392dc2b49fc35e71", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking http-body v0.3.1
[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 serde_derive v1.0.115
[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 futures-macro v0.3.5
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking phf v0.8.0
[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 tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking irc-proto v0.14.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking irc v0.14.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking scraper v0.12.0
[INFO] [stderr]  Documenting luser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `USER` not defined
[INFO] [stdout]   --> src/main.rs:23:42
[INFO] [stdout]    |
[INFO] [stdout] 23 |                        owners: Some(vec![env!("USER").into()]),
[INFO] [stdout]    |                                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `luser`.
[INFO] [stdout] error[E0432]: unresolved imports `irc::client::prelude::IrcServer`, `irc::client::prelude::Server`, `irc::client::prelude::ServerExt`
[INFO] [stdout]   --> src/main.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | use irc::client::prelude::{IrcServer, Server, ServerExt, Config, Command, Response};
[INFO] [stdout]    |                            ^^^^^^^^^  ^^^^^^  ^^^^^^^^^ no `ServerExt` in `client::prelude`
[INFO] [stdout]    |                            |          |
[INFO] [stdout]    |                            |          no `Server` in `client::prelude`
[INFO] [stdout]    |                            |          help: a similar name exists in the module: `Sender`
[INFO] [stdout]    |                            no `IrcServer` in `client::prelude`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0432]: unresolved imports `hyper::header::UserAgent`, `hyper::header::Cookie`, `hyper::header::CookiePair`
[INFO] [stdout]    --> src/main.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 |     use hyper::header::{UserAgent, Cookie, CookiePair};
[INFO] [stdout]     |                         ^^^^^^^^^  ^^^^^^  ^^^^^^^^^^ no `CookiePair` in `header`
[INFO] [stdout]     |                         |          |
[INFO] [stdout]     |                         |          no `Cookie` in `header`
[INFO] [stdout]     |                         no `UserAgent` in `header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error[E0432]: unresolved import `hyper::header::ContentLength`
[INFO] [stdout]    --> src/main.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     use hyper::header::ContentLength;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ContentLength` in `header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name luser src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern hyper=/opt/rustwide/target/debug/deps/libhyper-1ebef98eb2f1053f.rmeta --extern irc=/opt/rustwide/target/debug/deps/libirc-f36225ffa11e4ca1.rmeta --extern quick_xml=/opt/rustwide/target/debug/deps/libquick_xml-8edc7073941c4ef2.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c251ca4f1be2ef5d.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-eddfb9427ca0b1f2.rmeta --extern scraper=/opt/rustwide/target/debug/deps/libscraper-d9a6703fbae54d4c.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-ead0c533f54ff04b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] [stdout] error[E0432]: unresolved imports `quick_xml::XmlReader`, `quick_xml::Event`
[INFO] [stdout]    --> src/main.rs:230:21
[INFO] [stdout]     |
[INFO] [stdout] 230 |     use quick_xml::{XmlReader, Event};
[INFO] [stdout]     |                     ^^^^^^^^^  ^^^^^ no `Event` in the root
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     no `XmlReader` in the root
[INFO] [stdout]     |                     help: a similar name exists in the module: `Reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `error` in `quick_xml`
[INFO] [stdout]    --> src/main.rs:174:20
[INFO] [stdout]     |
[INFO] [stdout] 174 |     Xml(quick_xml::error::Error),
[INFO] [stdout]     |                    ^^^^^ could not find `error` in `quick_xml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db83c20edd8427e4890a4988f94f658ffb633349f40f1337392dc2b49fc35e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db83c20edd8427e4890a4988f94f658ffb633349f40f1337392dc2b49fc35e71", kill_on_drop: false }`
[INFO] [stdout] db83c20edd8427e4890a4988f94f658ffb633349f40f1337392dc2b49fc35e71