[INFO] cloning repository https://github.com/ctaggart/rustfmt_4132
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctaggart/rustfmt_4132" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctaggart%2Frustfmt_4132", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctaggart%2Frustfmt_4132'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e483cd9dccc3e9c3a2810de7d9a30aaf318153fc
[INFO] documenting ctaggart/rustfmt_4132 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctaggart%2Frustfmt_4132" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ctaggart/rustfmt_4132 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ctaggart/rustfmt_4132
[INFO] finished tweaking git repo https://github.com/ctaggart/rustfmt_4132
[INFO] tweaked toml for git repo https://github.com/ctaggart/rustfmt_4132 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ctaggart/rustfmt_4132 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded measureme v0.7.1
[INFO] [stderr]   Downloaded rustc-workspace-hack v1.0.0
[INFO] [stderr]   Downloaded rustc-rayon v0.3.0
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded annotate-snippets v0.6.1
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_attr v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-graphviz v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v654.0.0
[INFO] [stderr]   Downloaded rustfmt-config_proc_macro v0.2.0
[INFO] [stderr]   Downloaded rustc-ap-arena v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_passes v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_expand v654.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v654.0.0
[INFO] [stderr]   Downloaded rustfmt-nightly v1.4.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f54f2fa8dfd663d9062a86af0c15ddeebcff2f0b2ca137b41c4f572be51ba816
[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" "f54f2fa8dfd663d9062a86af0c15ddeebcff2f0b2ca137b41c4f572be51ba816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f54f2fa8dfd663d9062a86af0c15ddeebcff2f0b2ca137b41c4f572be51ba816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54f2fa8dfd663d9062a86af0c15ddeebcff2f0b2ca137b41c4f572be51ba816", kill_on_drop: false }`
[INFO] [stdout] f54f2fa8dfd663d9062a86af0c15ddeebcff2f0b2ca137b41c4f572be51ba816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56985b9cb6113cacfbe37db4c73808da520b87f7285eb9dc04eb6fbbb0d522b8
[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" "56985b9cb6113cacfbe37db4c73808da520b87f7285eb9dc04eb6fbbb0d522b8", 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] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking rustc-ap-graphviz v654.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v654.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v654.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v654.0.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling rustfmt-nightly v1.4.14
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking bytecount v0.6.0
[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/smallvec-1.3.0/lib.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 | #![cfg_attr(feature = "union", feature(untagged_unions))]
[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/smallvec-1.3.0/lib.rs:63:37
[INFO] [stdout]    |
[INFO] [stdout] 63 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[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/rustc-ap-graphviz-654.0.0/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(rustc_private, nll)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking getopts v0.2.21
[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 `rustc-ap-graphviz`
[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] For more information about this error, try `rustc --explain E0554`.
[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/lock_api-0.3.4/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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" "56985b9cb6113cacfbe37db4c73808da520b87f7285eb9dc04eb6fbbb0d522b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56985b9cb6113cacfbe37db4c73808da520b87f7285eb9dc04eb6fbbb0d522b8", kill_on_drop: false }`
[INFO] [stdout] 56985b9cb6113cacfbe37db4c73808da520b87f7285eb9dc04eb6fbbb0d522b8
