[INFO] cloning repository https://github.com/Aehmlo/eat-ou
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aehmlo/eat-ou" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAehmlo%2Feat-ou", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAehmlo%2Feat-ou'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10105c7df3c23f2617ce982b207feb33254a8ed6
[INFO] documenting Aehmlo/eat-ou 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%2FAehmlo%2Feat-ou" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aehmlo/eat-ou 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] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Aehmlo/eat-ou
[INFO] finished tweaking git repo https://github.com/Aehmlo/eat-ou
[INFO] tweaked toml for git repo https://github.com/Aehmlo/eat-ou written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Aehmlo/eat-ou 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.55
[INFO] [stderr]   Downloaded syn v0.13.10
[INFO] [stderr]   Downloaded serde_derive v1.0.55
[INFO] [stderr]   Downloaded stdweb v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0e2ea2865fe92d1b9b58edfd0806daca366b54bd958a6de1fb4b77aea3b23a00
[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" "0e2ea2865fe92d1b9b58edfd0806daca366b54bd958a6de1fb4b77aea3b23a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e2ea2865fe92d1b9b58edfd0806daca366b54bd958a6de1fb4b77aea3b23a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e2ea2865fe92d1b9b58edfd0806daca366b54bd958a6de1fb4b77aea3b23a00", kill_on_drop: false }`
[INFO] [stdout] 0e2ea2865fe92d1b9b58edfd0806daca366b54bd958a6de1fb4b77aea3b23a00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 2eee4821646ea175f1de2c0af24e0ed8cf3c802c5cc0ef3a8725113e580cfa80
[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" "2eee4821646ea175f1de2c0af24e0ed8cf3c802c5cc0ef3a8725113e580cfa80", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdweb v0.4.5
[INFO] [stderr]    Compiling serde v1.0.55
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking discard v1.0.3
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling serde_derive v1.0.55
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]  Documenting eat-ou v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extern_prelude)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `eat-ou`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name eat_ou 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 rand=/opt/rustwide/target/debug/deps/librand-1066a1ff4eb06502.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-779bcc4aa1e0041c.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-e1baf5f5e6fe351e.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-81cae5ddbed46004.rmeta --extern stdweb=/opt/rustwide/target/debug/deps/libstdweb-c2673e596a4b731d.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "2eee4821646ea175f1de2c0af24e0ed8cf3c802c5cc0ef3a8725113e580cfa80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eee4821646ea175f1de2c0af24e0ed8cf3c802c5cc0ef3a8725113e580cfa80", kill_on_drop: false }`
[INFO] [stdout] 2eee4821646ea175f1de2c0af24e0ed8cf3c802c5cc0ef3a8725113e580cfa80