[INFO] cloning repository https://github.com/ZeusWPI/zauth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZeusWPI/zauth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeusWPI%2Fzauth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeusWPI%2Fzauth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b947728c5f48aced2d1b7f22e23899943bb2edb
[INFO] documenting ZeusWPI/zauth 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%2FZeusWPI%2Fzauth" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZeusWPI/zauth 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/ZeusWPI/zauth
[INFO] finished tweaking git repo https://github.com/ZeusWPI/zauth
[INFO] tweaked toml for git repo https://github.com/ZeusWPI/zauth written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ZeusWPI/zauth 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec8ef087548129741ee3feb8a62e027801a2377d22687db72fb7058a719b6c56
[INFO] running `Command { std: "docker" "start" "-a" "ec8ef087548129741ee3feb8a62e027801a2377d22687db72fb7058a719b6c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec8ef087548129741ee3feb8a62e027801a2377d22687db72fb7058a719b6c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8ef087548129741ee3feb8a62e027801a2377d22687db72fb7058a719b6c56", kill_on_drop: false }`
[INFO] [stdout] ec8ef087548129741ee3feb8a62e027801a2377d22687db72fb7058a719b6c56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9498577aba3de67e31db7ec80b726f1421e292fc75f534b264d9fe82fe1d882
[INFO] running `Command { std: "docker" "start" "-a" "a9498577aba3de67e31db7ec80b726f1421e292fc75f534b264d9fe82fe1d882", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling askama_escape v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.5
[INFO] [stderr]    Compiling rocket v0.4.5
[INFO] [stderr]    Compiling rocket_contrib_codegen v0.4.5
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]     Checking lock_api v0.4.1
[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/lock_api-0.4.1/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[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/lock_api-0.4.1/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling byteorder v1.3.4
[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 `lock_api`.
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "a9498577aba3de67e31db7ec80b726f1421e292fc75f534b264d9fe82fe1d882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9498577aba3de67e31db7ec80b726f1421e292fc75f534b264d9fe82fe1d882", kill_on_drop: false }`
[INFO] [stdout] a9498577aba3de67e31db7ec80b726f1421e292fc75f534b264d9fe82fe1d882