[INFO] fetching crate comment_app_backend 0.1.3...
[INFO] documenting comment_app_backend-0.1.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate comment_app_backend 0.1.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate comment_app_backend 0.1.3 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate comment_app_backend 0.1.3
[INFO] finished tweaking crates.io crate comment_app_backend 0.1.3
[INFO] tweaked toml for crates.io crate comment_app_backend 0.1.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate comment_app_backend 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded standback v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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-2020-08-29" "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] 58a4461e57cbe03f7c1b4ee97c073a4dc80cc062963a97c1c4409d7310b44f99
[INFO] running `Command { std: "docker" "start" "-a" "58a4461e57cbe03f7c1b4ee97c073a4dc80cc062963a97c1c4409d7310b44f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a4461e57cbe03f7c1b4ee97c073a4dc80cc062963a97c1c4409d7310b44f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a4461e57cbe03f7c1b4ee97c073a4dc80cc062963a97c1c4409d7310b44f99", kill_on_drop: false }`
[INFO] [stdout] 58a4461e57cbe03f7c1b4ee97c073a4dc80cc062963a97c1c4409d7310b44f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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-2020-08-29" "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] 392a98904d832cab2cc4912ba9063051a0c66d2d89f85f2cf866d07b839a54e5
[INFO] running `Command { std: "docker" "start" "-a" "392a98904d832cab2cc4912ba9063051a0c66d2d89f85f2cf866d07b839a54e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling standback v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stdout] error: expected identifier
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/time-macros-impl-0.1.0/src/lib.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |               pub fn $name(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | / impl_macros! {
[INFO] [stdout] 91 | |     time: Time,
[INFO] [stdout] 92 | |     offset: Offset,
[INFO] [stdout] 93 | |     date: Date,
[INFO] [stdout] 94 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `time-macros-impl`.
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "392a98904d832cab2cc4912ba9063051a0c66d2d89f85f2cf866d07b839a54e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392a98904d832cab2cc4912ba9063051a0c66d2d89f85f2cf866d07b839a54e5", kill_on_drop: false }`
[INFO] [stdout] 392a98904d832cab2cc4912ba9063051a0c66d2d89f85f2cf866d07b839a54e5