[INFO] fetching crate fast-rustc-ap-rustc_session 1.0.0...
[INFO] checking fast-rustc-ap-rustc_session-1.0.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate fast-rustc-ap-rustc_session 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fast-rustc-ap-rustc_session 1.0.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-rustc-ap-rustc_session 1.0.0
[INFO] finished tweaking crates.io crate fast-rustc-ap-rustc_session 1.0.0
[INFO] tweaked toml for crates.io crate fast-rustc-ap-rustc_session 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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 termize v0.1.1
[INFO] [stderr]   Downloaded annotate-snippets v0.6.1
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_fs_util v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_lexer v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_errors v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_feature v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_ast v1.0.0
[INFO] [stderr]   Downloaded fast-rustc-ap-rustc_target v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5887bab5b3ad1dc1f6065f5c25d19ffbad1f99cb8773bcf3301b2c6daa7b34c2
[INFO] running `Command { std: "docker" "start" "-a" "5887bab5b3ad1dc1f6065f5c25d19ffbad1f99cb8773bcf3301b2c6daa7b34c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5887bab5b3ad1dc1f6065f5c25d19ffbad1f99cb8773bcf3301b2c6daa7b34c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5887bab5b3ad1dc1f6065f5c25d19ffbad1f99cb8773bcf3301b2c6daa7b34c2", kill_on_drop: false }`
[INFO] [stdout] 5887bab5b3ad1dc1f6065f5c25d19ffbad1f99cb8773bcf3301b2c6daa7b34c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTFLAGS=--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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 826302eae0611affb94c7b7945f56bcfa1680aa3a08d4336e18d4e1e9ac60a9b
[INFO] running `Command { std: "docker" "start" "-a" "826302eae0611affb94c7b7945f56bcfa1680aa3a08d4336e18d4e1e9ac60a9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking fast-rustc-ap-graphviz v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling fast-rustc-ap-rustc_ast v1.0.0
[INFO] [stderr]    Compiling fast-rustc-ap-rustc_target v1.0.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking fast-rustc-ap-rustc_fs_util v1.0.0
[INFO] [stderr]     Checking fast-rustc-ap-rustc_lexer v1.0.0
[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/fast-rustc-ap-graphviz-1.0.0/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(rustc_private, nll)]
[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 `fast-rustc-ap-graphviz` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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-1.7.0/src/lib.rs:83:37
[INFO] [stdout]    |
[INFO] [stdout] 83 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[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" "826302eae0611affb94c7b7945f56bcfa1680aa3a08d4336e18d4e1e9ac60a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826302eae0611affb94c7b7945f56bcfa1680aa3a08d4336e18d4e1e9ac60a9b", kill_on_drop: false }`
[INFO] [stdout] 826302eae0611affb94c7b7945f56bcfa1680aa3a08d4336e18d4e1e9ac60a9b
