[INFO] cloning repository https://github.com/MarkMcCaskey/webapp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarkMcCaskey/webapp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkMcCaskey%2Fwebapp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkMcCaskey%2Fwebapp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf75638d1679728bd66da080ab336dc664dbe572
[INFO] documenting MarkMcCaskey/webapp against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkMcCaskey%2Fwebapp" "/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/MarkMcCaskey/webapp on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarkMcCaskey/webapp
[INFO] finished tweaking git repo https://github.com/MarkMcCaskey/webapp
[INFO] tweaked toml for git repo https://github.com/MarkMcCaskey/webapp written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/MarkMcCaskey/webapp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.1.0
[INFO] [stderr]   Downloaded r2d2 v0.7.4
[INFO] [stderr]   Downloaded either v1.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.15
[INFO] [stderr]   Downloaded pest v0.3.3
[INFO] [stderr]   Downloaded serde_json v1.0.3
[INFO] [stderr]   Downloaded serde v1.0.15
[INFO] [stderr]   Downloaded serde_codegen v0.9.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.3
[INFO] [stderr]   Downloaded rocket_contrib v0.3.3
[INFO] [stderr]   Downloaded diesel_infer_schema v0.16.0
[INFO] [stderr]   Downloaded diesel v0.16.0
[INFO] [stderr]   Downloaded rocket_codegen v0.3.3
[INFO] [stderr]   Downloaded diesel_codegen v0.16.0
[INFO] [stderr]   Downloaded r2d2-diesel v0.16.0
[INFO] [stderr]   Downloaded pear v0.0.10
[INFO] [stderr]   Downloaded handlebars v0.27.0
[INFO] [stderr]   Downloaded pear_codegen v0.0.10
[INFO] [stderr]   Downloaded state v0.3.2
[INFO] [stderr]   Downloaded cookie v0.9.1
[INFO] [stderr]   Downloaded rocket v0.3.3
[INFO] [stderr]   Downloaded ordermap v0.2.12
[INFO] [stderr]   Downloaded blake2 v0.6.1
[INFO] [stderr]   Downloaded futures v0.1.16
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7deceb29acb147786f034718677ddcf2b243df44e8269f2cd6cd3ab9b69162b0
[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" "7deceb29acb147786f034718677ddcf2b243df44e8269f2cd6cd3ab9b69162b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7deceb29acb147786f034718677ddcf2b243df44e8269f2cd6cd3ab9b69162b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7deceb29acb147786f034718677ddcf2b243df44e8269f2cd6cd3ab9b69162b0", kill_on_drop: false }`
[INFO] [stdout] 7deceb29acb147786f034718677ddcf2b243df44e8269f2cd6cd3ab9b69162b0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 7a11cf51166875307e4950187c94a49bebb45d345659f88523707cfd3178e68a
[INFO] running `Command { std: "docker" "start" "-a" "7a11cf51166875307e4950187c94a49bebb45d345659f88523707cfd3178e68a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling either v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling futures v0.1.16
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]    Compiling matches v0.1.6
[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/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_atomic_bool_new`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yansi` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7a11cf51166875307e4950187c94a49bebb45d345659f88523707cfd3178e68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a11cf51166875307e4950187c94a49bebb45d345659f88523707cfd3178e68a", kill_on_drop: false }`
[INFO] [stdout] 7a11cf51166875307e4950187c94a49bebb45d345659f88523707cfd3178e68a