[INFO] cloning repository https://github.com/zorndorff/rust-ping-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zorndorff/rust-ping-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzorndorff%2Frust-ping-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzorndorff%2Frust-ping-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f14aa0aaf0b624be4f25cdf0ea7d05f1df68ce68
[INFO] documenting zorndorff/rust-ping-server 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%2Fzorndorff%2Frust-ping-server" "/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/zorndorff/rust-ping-server 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/zorndorff/rust-ping-server
[INFO] finished tweaking git repo https://github.com/zorndorff/rust-ping-server
[INFO] tweaked toml for git repo https://github.com/zorndorff/rust-ping-server written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/zorndorff/rust-ping-server 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] 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" "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] [stdout] 89c9a12c8ecd5d162e87805f36ad113c96e1cb4c3b39b4f5cd52d0f03d45c4b9
[INFO] running `Command { std: "docker" "start" "-a" "89c9a12c8ecd5d162e87805f36ad113c96e1cb4c3b39b4f5cd52d0f03d45c4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89c9a12c8ecd5d162e87805f36ad113c96e1cb4c3b39b4f5cd52d0f03d45c4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c9a12c8ecd5d162e87805f36ad113c96e1cb4c3b39b4f5cd52d0f03d45c4b9", kill_on_drop: false }`
[INFO] [stdout] 89c9a12c8ecd5d162e87805f36ad113c96e1cb4c3b39b4f5cd52d0f03d45c4b9
[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" "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] e32c5f939b6f6c8d75652993b6bec790b7ba530ea38a9f9c4050e05e03b86868
[INFO] running `Command { std: "docker" "start" "-a" "e32c5f939b6f6c8d75652993b6bec790b7ba530ea38a9f9c4050e05e03b86868", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling rocket_codegen v0.4.4
[INFO] [stderr]    Compiling rocket v0.4.4
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling devise_core v0.2.0
[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/devise_core-0.2.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic, proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/devise_core-0.2.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(crate_visibility_modifier)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/devise_core-0.2.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(concat_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `devise_core` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[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" "e32c5f939b6f6c8d75652993b6bec790b7ba530ea38a9f9c4050e05e03b86868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32c5f939b6f6c8d75652993b6bec790b7ba530ea38a9f9c4050e05e03b86868", kill_on_drop: false }`
[INFO] [stdout] e32c5f939b6f6c8d75652993b6bec790b7ba530ea38a9f9c4050e05e03b86868
