[INFO] cloning repository https://github.com/b401/blacklistrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b401/blacklistrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb401%2Fblacklistrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb401%2Fblacklistrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d9bd10f8ce691bcb56cd59b8341386f70485d6f
[INFO] documenting b401/blacklistrs against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb401%2Fblacklistrs" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/b401/blacklistrs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/b401/blacklistrs
[INFO] finished tweaking git repo https://github.com/b401/blacklistrs
[INFO] tweaked toml for git repo https://github.com/b401/blacklistrs written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/b401/blacklistrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a742f7ea237376a8bc0d023a7307ecf6103376386bf4afacbb6f40a45a02614b
[INFO] running `Command { std: "docker" "start" "-a" "a742f7ea237376a8bc0d023a7307ecf6103376386bf4afacbb6f40a45a02614b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a742f7ea237376a8bc0d023a7307ecf6103376386bf4afacbb6f40a45a02614b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a742f7ea237376a8bc0d023a7307ecf6103376386bf4afacbb6f40a45a02614b", kill_on_drop: false }`
[INFO] [stdout] a742f7ea237376a8bc0d023a7307ecf6103376386bf4afacbb6f40a45a02614b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761777f1c38d70555473c66549e043dbabf4c2123164ffecab02975f9ffb0527
[INFO] running `Command { std: "docker" "start" "-a" "761777f1c38d70555473c66549e043dbabf4c2123164ffecab02975f9ffb0527", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.14.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rocket_codegen v0.4.0
[INFO] [stderr]    Compiling rocket v0.4.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking rusqlite v0.18.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.4.1/src/lib.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "const_fn", 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[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.4.1/src/lib.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "const_fn", 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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.4.1/src/lib.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/state-0.4.1/src/lib.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "const_fn", 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: could not compile `state`
[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 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" "761777f1c38d70555473c66549e043dbabf4c2123164ffecab02975f9ffb0527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761777f1c38d70555473c66549e043dbabf4c2123164ffecab02975f9ffb0527", kill_on_drop: false }`
[INFO] [stdout] 761777f1c38d70555473c66549e043dbabf4c2123164ffecab02975f9ffb0527
