[INFO] cloning repository https://github.com/2m/rust-vilnius-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2m/rust-vilnius-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2m%2Frust-vilnius-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2m%2Frust-vilnius-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ebb8658043cfe466d64b47d72747e93493429e2
[INFO] documenting 2m/rust-vilnius-1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2m%2Frust-vilnius-1" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2m/rust-vilnius-1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2m/rust-vilnius-1
[INFO] finished tweaking git repo https://github.com/2m/rust-vilnius-1
[INFO] tweaked toml for git repo https://github.com/2m/rust-vilnius-1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/2m/rust-vilnius-1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v0.1.8
[INFO] [stderr]   Downloaded backtrace-sys v0.1.5
[INFO] [stderr]   Downloaded glium v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 426ec2b3fbb127f3314a5ffcd424f263719e81533b0b053cc11baae6a64f243a
[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" "426ec2b3fbb127f3314a5ffcd424f263719e81533b0b053cc11baae6a64f243a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "426ec2b3fbb127f3314a5ffcd424f263719e81533b0b053cc11baae6a64f243a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426ec2b3fbb127f3314a5ffcd424f263719e81533b0b053cc11baae6a64f243a", kill_on_drop: false }`
[INFO] [stdout] 426ec2b3fbb127f3314a5ffcd424f263719e81533b0b053cc11baae6a64f243a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 277a1eac81f814cddf83386307afbc5101d982cbc0313acbcc0e7a62fa167d21
[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" "277a1eac81f814cddf83386307afbc5101d982cbc0313acbcc0e7a62fa167d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling phf_shared v0.7.19
[INFO] [stderr]    Compiling serde v0.8.17
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling xml-rs v0.3.4
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling phf v0.7.19
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling phf_generator v0.7.19
[INFO] [stderr]    Compiling phf_codegen v0.7.19
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]    Compiling serde_json v0.8.3
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]  Documenting rust-vilnius v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_checked_ops)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `rust-vilnius`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name rust_vilnius 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 glium=/opt/rustwide/target/debug/deps/libglium-aa48cc8c0adcc096.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8c03603ab0067eff.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "277a1eac81f814cddf83386307afbc5101d982cbc0313acbcc0e7a62fa167d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277a1eac81f814cddf83386307afbc5101d982cbc0313acbcc0e7a62fa167d21", kill_on_drop: false }`
[INFO] [stdout] 277a1eac81f814cddf83386307afbc5101d982cbc0313acbcc0e7a62fa167d21
