[INFO] cloning repository https://github.com/OinkIguana/gmlpp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OinkIguana/gmlpp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOinkIguana%2Fgmlpp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOinkIguana%2Fgmlpp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6642ce61bd8628ab571a2256c737100d2224aaf
[INFO] documenting OinkIguana/gmlpp against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOinkIguana%2Fgmlpp" "/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/OinkIguana/gmlpp on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/OinkIguana/gmlpp
[INFO] finished tweaking git repo https://github.com/OinkIguana/gmlpp
[INFO] tweaked toml for git repo https://github.com/OinkIguana/gmlpp written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/OinkIguana/gmlpp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 6ed97aa647aaeccaca6aa4cfb2e1f431d371ff4fee7634f71151d6940c44fee0
[INFO] running `Command { std: "docker" "start" "-a" "6ed97aa647aaeccaca6aa4cfb2e1f431d371ff4fee7634f71151d6940c44fee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ed97aa647aaeccaca6aa4cfb2e1f431d371ff4fee7634f71151d6940c44fee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed97aa647aaeccaca6aa4cfb2e1f431d371ff4fee7634f71151d6940c44fee0", kill_on_drop: false }`
[INFO] [stdout] 6ed97aa647aaeccaca6aa4cfb2e1f431d371ff4fee7634f71151d6940c44fee0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 850e0fa84410f80fe1d3e66bc0d157257a1081bc7677abf07b82457d7abfffe9
[INFO] running `Command { std: "docker" "start" "-a" "850e0fa84410f80fe1d3e66bc0d157257a1081bc7677abf07b82457d7abfffe9", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking serde v1.0.29
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking inotify v0.3.0
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]    Compiling serde_derive_internals v0.20.0
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking notify v4.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.29
[INFO] [stderr]     Checking serde_json v1.0.10
[INFO] [stderr]  Documenting gmlpp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]   --> src/error/mod.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     CharsError(io::CharsError),
[INFO] [stdout]    |                    ^^^^^^^^^^ not found in `io`
[INFO] [stdout]    |
[INFO] [stdout] help: there is an enum variant `error::Error::CharsError`; try using the variant's enum
[INFO] [stdout]    |
[INFO] [stdout] 31 |     CharsError(error::Error),
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]    --> src/error/mod.rs:106:15
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl From<io::CharsError> for Error {
[INFO] [stdout]     |               ^^^^^^^^^^ not found in `io`
[INFO] [stdout]     |
[INFO] [stdout] help: there is an enum variant `error::Error::CharsError`; try using the variant's enum
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl From<error::Error> for Error {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]    --> src/error/mod.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn from(other: io::CharsError) -> Error {
[INFO] [stdout]     |                        ^^^^^^^^^^ not found in `io`
[INFO] [stdout]     |
[INFO] [stdout] help: there is an enum variant `error::Error::CharsError`; try using the variant's enum
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn from(other: error::Error) -> Error {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[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(io, slice_patterns, box_patterns, box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `gmlpp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name gmlpp 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 notify=/opt/rustwide/target/debug/deps/libnotify-217e1c300f0a3ece.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-cd2f506776a3efcf.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-93beac3c9f734713.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-17cc706144d489d5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "850e0fa84410f80fe1d3e66bc0d157257a1081bc7677abf07b82457d7abfffe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850e0fa84410f80fe1d3e66bc0d157257a1081bc7677abf07b82457d7abfffe9", kill_on_drop: false }`
[INFO] [stdout] 850e0fa84410f80fe1d3e66bc0d157257a1081bc7677abf07b82457d7abfffe9
