[INFO] cloning repository https://github.com/markuskobler/reagent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markuskobler/reagent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkuskobler%2Freagent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkuskobler%2Freagent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a67dc20496af8fabbf8d3e0c55e746c48ca006ac
[INFO] documenting markuskobler/reagent against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkuskobler%2Freagent" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/markuskobler/reagent on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/markuskobler/reagent
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/markuskobler/reagent
[INFO] tweaked toml for git repo https://github.com/markuskobler/reagent written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/markuskobler/reagent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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[INFO] the lockfile is outdated, regenerating it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" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/mio`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", 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] d850492d0f749bbb5699f057363b73630effb6453b1c8aa549437b387a00fd15
[INFO] running `Command { std: "docker" "start" "-a" "d850492d0f749bbb5699f057363b73630effb6453b1c8aa549437b387a00fd15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d850492d0f749bbb5699f057363b73630effb6453b1c8aa549437b387a00fd15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d850492d0f749bbb5699f057363b73630effb6453b1c8aa549437b387a00fd15", kill_on_drop: false }`
[INFO] [stdout] d850492d0f749bbb5699f057363b73630effb6453b1c8aa549437b387a00fd15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55a1128189bcf3c2cfb40e42b76acb91e06d02ffbe1e9d76c55486836ba2b67f
[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" "55a1128189bcf3c2cfb40e42b76acb91e06d02ffbe1e9d76c55486836ba2b67f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking mio v0.7.0 (https://github.com/carllerche/mio#eef8d3b9)
[INFO] [stderr]  Documenting reagent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `mio::udp`
[INFO] [stdout]  --> src/server.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mio::udp::UdpSocket;
[INFO] [stdout]   |          ^^^ could not find `udp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::buf`
[INFO] [stdout]  --> src/server.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mio::buf::{SliceBuf, MutSliceBuf};
[INFO] [stdout]   |          ^^^ could not find `buf` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Handler` in crate `mio`
[INFO] [stdout]   --> src/server.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl mio::Handler for Server {
[INFO] [stdout]    |           ^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventLoop` in crate `mio`
[INFO] [stdout]   --> src/server.rs:56:48
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn ready(&mut self, _event_loop: &mut mio::EventLoop<Server>, token: mio::Token, _events: mio::EventSet) {
[INFO] [stdout]    |                                                ^^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventSet` in crate `mio`
[INFO] [stdout]   --> src/server.rs:56:100
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn ready(&mut self, _event_loop: &mut mio::EventLoop<Server>, token: mio::Token, _events: mio::EventSet) {
[INFO] [stdout]    |                                                                                                    ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `reagent`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name reagent src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-538ccf74a4ec0a82.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-c67806df08dc7ba8.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "55a1128189bcf3c2cfb40e42b76acb91e06d02ffbe1e9d76c55486836ba2b67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a1128189bcf3c2cfb40e42b76acb91e06d02ffbe1e9d76c55486836ba2b67f", kill_on_drop: false }`
[INFO] [stdout] 55a1128189bcf3c2cfb40e42b76acb91e06d02ffbe1e9d76c55486836ba2b67f