[INFO] cloning repository https://github.com/3Hren/logdrop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3Hren/logdrop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3Hren%2Flogdrop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3Hren%2Flogdrop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51a90bb0f96c90b12777c5cd8066112325fc5236
[INFO] documenting 3Hren/logdrop 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%2F3Hren%2Flogdrop" "/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/3Hren/logdrop 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/3Hren/logdrop
[INFO] finished tweaking git repo https://github.com/3Hren/logdrop
[INFO] tweaked toml for git repo https://github.com/3Hren/logdrop written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/3Hren/logdrop 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] 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[INFO] the lockfile is outdated, regenerating it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" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d417328ba482ede98cc94c41f1b4c7adf45faa0f1a37b2f8a2f8c16b886ab5b7
[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" "d417328ba482ede98cc94c41f1b4c7adf45faa0f1a37b2f8a2f8c16b886ab5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d417328ba482ede98cc94c41f1b4c7adf45faa0f1a37b2f8a2f8c16b886ab5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d417328ba482ede98cc94c41f1b4c7adf45faa0f1a37b2f8a2f8c16b886ab5b7", kill_on_drop: false }`
[INFO] [stdout] d417328ba482ede98cc94c41f1b4c7adf45faa0f1a37b2f8a2f8c16b886ab5b7
[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" "+1.46.0" "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] 31aadf4694e9185d3d44364e62cd43a30b3e3efe70146dbe98b7d98f096a2a9e
[INFO] running `Command { std: "docker" "start" "-a" "31aadf4694e9185d3d44364e62cd43a30b3e3efe70146dbe98b7d98f096a2a9e", kill_on_drop: false }`
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]  Documenting logdrop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `msgpack::decode::value`
[INFO] [stdout]  --> src/logdrop/codec/msgpack.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use msgpack::decode::value::{Integer, Value};
[INFO] [stdout]   |                      ^^^^^ could not find `value` in `decode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `msgpack::decode::value`
[INFO] [stdout]  --> src/logdrop/codec/msgpack.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 | use msgpack::decode::value::read_value;
[INFO] [stdout]   |                      ^^^^^ could not find `value` in `decode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core, convert, io, path_ext, test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `logdrop`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name logdrop 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 chrono=/opt/rustwide/target/debug/deps/libchrono-184a589c993ba0ce.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-09044881b22b1a48.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-538ccf74a4ec0a82.rmeta --extern rmp=/opt/rustwide/target/debug/deps/librmp-b8874734d682091f.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "31aadf4694e9185d3d44364e62cd43a30b3e3efe70146dbe98b7d98f096a2a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31aadf4694e9185d3d44364e62cd43a30b3e3efe70146dbe98b7d98f096a2a9e", kill_on_drop: false }`
[INFO] [stdout] 31aadf4694e9185d3d44364e62cd43a30b3e3efe70146dbe98b7d98f096a2a9e