[INFO] cloning repository https://github.com/andreasots/markov-quote
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreasots/markov-quote" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreasots%2Fmarkov-quote", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreasots%2Fmarkov-quote'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bb2cc1d93aa34cb59063897c4b1d13d17bcf177
[INFO] documenting andreasots/markov-quote against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreasots%2Fmarkov-quote" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andreasots/markov-quote on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andreasots/markov-quote
[INFO] finished tweaking git repo https://github.com/andreasots/markov-quote
[INFO] tweaked toml for git repo https://github.com/andreasots/markov-quote written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/andreasots/markov-quote already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.4
[INFO] [stderr]   Downloaded thread_local v0.3.3
[INFO] [stderr]   Downloaded num v0.1.37
[INFO] [stderr]   Downloaded term-painter v0.2.3
[INFO] [stderr]   Downloaded unicase v1.4.0
[INFO] [stderr]   Downloaded cookie v0.6.1
[INFO] [stderr]   Downloaded num_cpus v1.3.0
[INFO] [stderr]   Downloaded dotenv v0.8.0
[INFO] [stderr]   Downloaded version_check v0.1.0
[INFO] [stderr]   Downloaded regex v0.2.1
[INFO] [stderr]   Downloaded r2d2 v0.7.2
[INFO] [stderr]   Downloaded diesel_infer_schema v0.12.0
[INFO] [stderr]   Downloaded chrono v0.3.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.10
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded pest v0.4.1
[INFO] [stderr]   Downloaded thread-id v3.0.0
[INFO] [stderr]   Downloaded unicode-bidi v0.2.5
[INFO] [stderr]   Downloaded derive-error-chain v0.10.0
[INFO] [stderr]   Downloaded pq-sys v0.4.3
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.1.0
[INFO] [stderr]   Downloaded serde_derive v0.9.14
[INFO] [stderr]   Downloaded humansize v1.0.1
[INFO] [stderr]   Downloaded idna v0.1.1
[INFO] [stderr]   Downloaded url v1.4.0
[INFO] [stderr]   Downloaded serde v0.9.14
[INFO] [stderr]   Downloaded diesel_codegen v0.12.0
[INFO] [stderr]   Downloaded dotenv v0.10.0
[INFO] [stderr]   Downloaded diesel v0.12.0
[INFO] [stderr]   Downloaded httparse v1.2.2
[INFO] [stderr]   Downloaded state v0.2.1
[INFO] [stderr]   Downloaded mime v0.2.3
[INFO] [stderr]   Downloaded term v0.4.5
[INFO] [stderr]   Downloaded hyper v0.10.9
[INFO] [stderr]   Downloaded gcc v0.3.45
[INFO] [stderr]   Downloaded rocket v0.2.6
[INFO] [stderr]   Downloaded diesel_full_text_search v0.12.0
[INFO] [stderr]   Downloaded rocket_codegen v0.2.6
[INFO] [stderr]   Downloaded rocket_contrib v0.2.6
[INFO] [stderr]   Downloaded markov v0.0.32
[INFO] [stderr]   Downloaded r2d2-diesel v0.12.0
[INFO] [stderr]   Downloaded tera v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] a749c7a23ddad38a5c8e06f8e690dd599bb1cc307a0d8de2a13af6fefd79df68
[INFO] running `Command { std: "docker" "start" "-a" "a749c7a23ddad38a5c8e06f8e690dd599bb1cc307a0d8de2a13af6fefd79df68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a749c7a23ddad38a5c8e06f8e690dd599bb1cc307a0d8de2a13af6fefd79df68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a749c7a23ddad38a5c8e06f8e690dd599bb1cc307a0d8de2a13af6fefd79df68", kill_on_drop: false }`
[INFO] [stdout] a749c7a23ddad38a5c8e06f8e690dd599bb1cc307a0d8de2a13af6fefd79df68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73f7b26812f5cb6a92104e2ca6f7939d974d3be449a17f2d02687798aa64fb69
[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" "73f7b26812f5cb6a92104e2ca6f7939d974d3be449a17f2d02687798aa64fb69", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling pq-sys v0.4.3
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling httparse v1.2.2
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking serde v0.9.14
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]     Checking unidecode v0.2.0
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]    Compiling state v0.2.1
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking humansize v1.0.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.2.1/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.2.1/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[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, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `state` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[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, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "73f7b26812f5cb6a92104e2ca6f7939d974d3be449a17f2d02687798aa64fb69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f7b26812f5cb6a92104e2ca6f7939d974d3be449a17f2d02687798aa64fb69", kill_on_drop: false }`
[INFO] [stdout] 73f7b26812f5cb6a92104e2ca6f7939d974d3be449a17f2d02687798aa64fb69
