[INFO] fetching crate webcord 0.0.0...
[INFO] documenting webcord-0.0.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate webcord 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate webcord 0.0.0 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 crates.io crate webcord 0.0.0
[INFO] finished tweaking crates.io crate webcord 0.0.0
[INFO] tweaked toml for crates.io crate webcord 0.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate webcord 0.0.0 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 actix-service v1.0.0
[INFO] [stderr]   Downloaded dirmod-codegen v0.2.0-alpha.1
[INFO] [stderr]   Downloaded actix-macros v0.1.0
[INFO] [stderr]   Downloaded actix-utils v1.0.0-alpha.3
[INFO] [stderr]   Downloaded actix-files v0.2.0-alpha.3
[INFO] [stderr]   Downloaded bytestring v0.1.1
[INFO] [stderr]   Downloaded command_attr v0.1.5
[INFO] [stderr]   Downloaded actix-testing v1.0.0-alpha.3
[INFO] [stderr]   Downloaded actix-router v0.2.0
[INFO] [stderr]   Downloaded actix-tls v1.0.0-alpha.3
[INFO] [stderr]   Downloaded actix-web-codegen v0.2.0-alpha.2
[INFO] [stderr]   Downloaded actix-server v1.0.0-alpha.4
[INFO] [stderr]   Downloaded actix-connect v1.0.0-alpha.3
[INFO] [stderr]   Downloaded actix-http v1.0.0-alpha.5
[INFO] [stderr]   Downloaded actix-threadpool v0.3.0
[INFO] [stderr]   Downloaded awc v1.0.0-alpha.4
[INFO] [stderr]   Downloaded actix-web v2.0.0-alpha.4
[INFO] [stderr]   Downloaded dirmod v0.2.0-alpha.1
[INFO] [stderr]   Downloaded serenity v0.7.3
[INFO] [stderr]   Downloaded uwl v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f9235b5d381b4f2eca85b88d61bcf8ba84b9b8fb3fa7b043a6a22d05de1e9c0e
[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" "f9235b5d381b4f2eca85b88d61bcf8ba84b9b8fb3fa7b043a6a22d05de1e9c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9235b5d381b4f2eca85b88d61bcf8ba84b9b8fb3fa7b043a6a22d05de1e9c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9235b5d381b4f2eca85b88d61bcf8ba84b9b8fb3fa7b043a6a22d05de1e9c0e", kill_on_drop: false }`
[INFO] [stdout] f9235b5d381b4f2eca85b88d61bcf8ba84b9b8fb3fa7b043a6a22d05de1e9c0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 5f93047656ef3d23dedd1ee256431f7fdae3d372dcdfa89647ffbb21117581d3
[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" "5f93047656ef3d23dedd1ee256431f7fdae3d372dcdfa89647ffbb21117581d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling serenity v0.7.3
[INFO] [stderr]    Compiling smallvec v1.0.0
[INFO] [stderr]     Checking uwl v0.4.2
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking bytestring v0.1.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]     Checking brotli-decompressor v2.3.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking brotli v3.3.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking nom v5.0.1
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking tokio-rustls v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling actix-macros v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.21
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling actix-web-codegen v0.2.0-alpha.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling dirmod-codegen v0.2.0-alpha.1
[INFO] [stderr]    Compiling command_attr v0.1.5
[INFO] [stderr]    Compiling getset v0.0.9
[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/dirmod-codegen-0.2.0-alpha.1/src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(proc_macro_span)]
[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: could not compile `dirmod-codegen`
[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" "5f93047656ef3d23dedd1ee256431f7fdae3d372dcdfa89647ffbb21117581d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f93047656ef3d23dedd1ee256431f7fdae3d372dcdfa89647ffbb21117581d3", kill_on_drop: false }`
[INFO] [stdout] 5f93047656ef3d23dedd1ee256431f7fdae3d372dcdfa89647ffbb21117581d3
