[INFO] cloning repository https://github.com/samscott89/olaf2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samscott89/olaf2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamscott89%2Folaf2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamscott89%2Folaf2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a664605fc11021e2f6ceb9fed0c678da73925c4
[INFO] documenting samscott89/olaf2 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%2Fsamscott89%2Folaf2" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samscott89/olaf2 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/samscott89/olaf2
[INFO] finished tweaking git repo https://github.com/samscott89/olaf2
[INFO] tweaked toml for git repo https://github.com/samscott89/olaf2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/samscott89/olaf2 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] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 06c6bfa3ed45ae5225241621d5c08a6002c28444597814bea09ade001867ddb7
[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" "06c6bfa3ed45ae5225241621d5c08a6002c28444597814bea09ade001867ddb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06c6bfa3ed45ae5225241621d5c08a6002c28444597814bea09ade001867ddb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c6bfa3ed45ae5225241621d5c08a6002c28444597814bea09ade001867ddb7", kill_on_drop: false }`
[INFO] [stdout] 06c6bfa3ed45ae5225241621d5c08a6002c28444597814bea09ade001867ddb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1abc7173a60ab3149c0aa29d0659df1448ba5c2b13e59d34826a5426e4c6b546
[INFO] running `Command { std: "docker" "start" "-a" "1abc7173a60ab3149c0aa29d0659df1448ba5c2b13e59d34826a5426e4c6b546", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Checking canonical-path v0.1.1
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling libz-sys v1.0.23
[INFO] [stderr]    Compiling curl-sys v0.4.12
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling actix-web v0.7.8
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking encoding_rs v0.8.7
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking toml v0.4.7
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.6
[INFO] [stderr]     Checking openssl v0.10.12
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking error-chain v0.1.12
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking mime v0.3.9
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking tokio-signal v0.2.5
[INFO] [stderr]     Checking tokio v0.1.10
[INFO] [stderr]     Checking trust-dns-proto v0.4.0
[INFO] [stderr]     Checking native-tls v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking hyper v0.12.10
[INFO] [stderr]     Checking trust-dns-resolver v0.9.1
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]     Checking hyper-tls v0.3.0
[INFO] [stderr]     Checking reqwest v0.9.2
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling actix_derive v0.3.0
[INFO] [stderr]    Compiling abscissa_derive v0.0.2
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking actix v0.7.4
[INFO] [stderr]     Checking serde_qs v0.4.1
[INFO] [stderr]     Checking curl v0.4.17
[INFO] [stderr]     Checking abscissa v0.0.4
[INFO] [stderr]     Checking oauth2 v2.0.0-alpha.2 (https://github.com/ramosbugs/oauth2-rs#f0cf5da5)
[INFO] [stderr]  Documenting olaf2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:151:1
[INFO] [stdout]     |
[INFO] [stdout] 151 | #![feature(uniform_paths)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `uniform_paths` has been stable since 1.32.0 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 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `olaf2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name olaf2 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 abscissa=/opt/rustwide/target/debug/deps/libabscissa-31cf72513ef26ac3.rmeta --extern actix=/opt/rustwide/target/debug/deps/libactix-f457579c3b463501.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-e31b88b42e85a99e.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-fa0cdeb6ebd186bf.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-c409e5f13ac68334.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-8b39f54a0dc2d8bd.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-f49284810df73388.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-d9664f7048b5c96e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-8b3eb3cfe8b3d2cb.rmeta --extern oauth2=/opt/rustwide/target/debug/deps/liboauth2-cbe7075ef3dac20e.rmeta --extern open=/opt/rustwide/target/debug/deps/libopen-1c559e0eef4c3129.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-b32fa7348677c7e8.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-2998621cf084644d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-78ee09c378a190c1.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-b065b79fba7a31e0.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1b371eda9ad467f6.rmeta --extern serde_qs=/opt/rustwide/target/debug/deps/libserde_qs-46effae3bc5a9388.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-b9a395a3b0807ed2.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-7b3e6105c9ae8e15.rmeta --extern url_serde=/opt/rustwide/target/debug/deps/liburl_serde-df3e15c6a3717242.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1abc7173a60ab3149c0aa29d0659df1448ba5c2b13e59d34826a5426e4c6b546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1abc7173a60ab3149c0aa29d0659df1448ba5c2b13e59d34826a5426e4c6b546", kill_on_drop: false }`
[INFO] [stdout] 1abc7173a60ab3149c0aa29d0659df1448ba5c2b13e59d34826a5426e4c6b546
