[INFO] cloning repository https://github.com/Y0hy0h/lindyhop-aachen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Y0hy0h/lindyhop-aachen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FY0hy0h%2Flindyhop-aachen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FY0hy0h%2Flindyhop-aachen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 985d31d293fe66de1f68e5c309e9f60355adeee4
[INFO] documenting Y0hy0h/lindyhop-aachen 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%2FY0hy0h%2Flindyhop-aachen" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Y0hy0h/lindyhop-aachen 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/Y0hy0h/lindyhop-aachen
[INFO] finished tweaking git repo https://github.com/Y0hy0h/lindyhop-aachen
[INFO] tweaked toml for git repo https://github.com/Y0hy0h/lindyhop-aachen written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Y0hy0h/lindyhop-aachen 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 32864ac5af1f26d7abb160d40e6510f3ada14bc131b5767550eb57c255a9bd93
[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" "32864ac5af1f26d7abb160d40e6510f3ada14bc131b5767550eb57c255a9bd93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32864ac5af1f26d7abb160d40e6510f3ada14bc131b5767550eb57c255a9bd93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32864ac5af1f26d7abb160d40e6510f3ada14bc131b5767550eb57c255a9bd93", kill_on_drop: false }`
[INFO] [stdout] 32864ac5af1f26d7abb160d40e6510f3ada14bc131b5767550eb57c255a9bd93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 9fc85b3793bbc40191655138d5a159449e7a5f27db0e121b4bffd8ed55505897
[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" "9fc85b3793bbc40191655138d5a159449e7a5f27db0e121b4bffd8ed55505897", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]    Compiling literalext v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/literalext-0.1.1/src/lib.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(feature = "proc-macro", feature(proc_macro))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]    Compiling rocket_contrib_codegen v0.4.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `literalext`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9fc85b3793bbc40191655138d5a159449e7a5f27db0e121b4bffd8ed55505897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc85b3793bbc40191655138d5a159449e7a5f27db0e121b4bffd8ed55505897", kill_on_drop: false }`
[INFO] [stdout] 9fc85b3793bbc40191655138d5a159449e7a5f27db0e121b4bffd8ed55505897