[INFO] fetching crate cpclib-xfer 0.4.4...
[INFO] documenting cpclib-xfer-0.4.4 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate cpclib-xfer 0.4.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cpclib-xfer 0.4.4 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 crates.io crate cpclib-xfer 0.4.4
[INFO] finished tweaking crates.io crate cpclib-xfer 0.4.4
[INFO] tweaked toml for crates.io crate cpclib-xfer 0.4.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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 security-framework-sys v2.3.0
[INFO] [stderr]   Downloaded ipnet v2.3.1
[INFO] [stderr]   Downloaded openssl v0.10.35
[INFO] [stderr]   Downloaded path-dedot v3.0.12
[INFO] [stderr]   Downloaded hyper v0.13.10
[INFO] [stderr]   Downloaded security-framework v2.3.1
[INFO] [stderr]   Downloaded path-absolutize v3.0.10
[INFO] [stderr]   Downloaded reqwest v0.10.10
[INFO] [stderr]   Downloaded native-tls v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] fe97aaa5a0e6ec676f9ae97a0780515d2e9d9527990742a2773c1ed2638840a7
[INFO] running `Command { std: "docker" "start" "-a" "fe97aaa5a0e6ec676f9ae97a0780515d2e9d9527990742a2773c1ed2638840a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe97aaa5a0e6ec676f9ae97a0780515d2e9d9527990742a2773c1ed2638840a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe97aaa5a0e6ec676f9ae97a0780515d2e9d9527990742a2773c1ed2638840a7", kill_on_drop: false }`
[INFO] [stdout] fe97aaa5a0e6ec676f9ae97a0780515d2e9d9527990742a2773c1ed2638840a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] ccc1b1d8d09024daadb2f8ee6e2b98aa83a3366db6ddf77fd6f8ab5e64c62eb6
[INFO] running `Command { std: "docker" "start" "-a" "ccc1b1d8d09024daadb2f8ee6e2b98aa83a3366db6ddf77fd6f8ab5e64c62eb6", kill_on_drop: false }`
[INFO] [stderr]     Checking bitsets v0.1.1
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]     Checking custom_error v1.9.2
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]     Checking path-dedot v3.0.12
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking openssl-sys v0.9.65
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling remain v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking path-absolutize v3.0.10
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]     Checking openssl v0.10.35
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling built v0.4.4
[INFO] [stderr]    Compiling cpclib-sna v0.4.4
[INFO] [stderr]    Compiling cpclib-tokens v0.4.4
[INFO] [stderr]    Compiling cpclib-disc v0.4.4
[INFO] [stderr]    Compiling cpclib-xfer v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking num_enum v0.5.3
[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/cpclib-tokens-0.4.4/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(stmt_expr_attributes)]
[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/cpclib-tokens-0.4.4/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not compile `cpclib-tokens` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ccc1b1d8d09024daadb2f8ee6e2b98aa83a3366db6ddf77fd6f8ab5e64c62eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc1b1d8d09024daadb2f8ee6e2b98aa83a3366db6ddf77fd6f8ab5e64c62eb6", kill_on_drop: false }`
[INFO] [stdout] ccc1b1d8d09024daadb2f8ee6e2b98aa83a3366db6ddf77fd6f8ab5e64c62eb6
