[INFO] fetching crate rustc-ap-rustc_target 683.0.0...
[INFO] testing rustc-ap-rustc_target-683.0.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate rustc-ap-rustc_target 683.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_target 683.0.0 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 rustc-ap-rustc_target 683.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_target 683.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_target 683.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 pin-project-lite v0.1.10
[INFO] [stderr]   Downloaded ena v0.14.0
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded md-5 v0.8.0
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded instant v0.1.7
[INFO] [stderr]   Downloaded psm v0.1.11
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v683.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v683.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v683.0.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded tracing-core v0.1.17
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v683.0.0
[INFO] [stderr]   Downloaded tracing v0.1.21
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v683.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v683.0.0
[INFO] [stderr]   Downloaded stacker v0.1.12
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v683.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a14be5fe845eeadc98d7988b7bc2f963b019f08a80dea6d7700bd93e898b502a
[INFO] running `Command { std: "docker" "start" "-a" "a14be5fe845eeadc98d7988b7bc2f963b019f08a80dea6d7700bd93e898b502a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a14be5fe845eeadc98d7988b7bc2f963b019f08a80dea6d7700bd93e898b502a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14be5fe845eeadc98d7988b7bc2f963b019f08a80dea6d7700bd93e898b502a", kill_on_drop: false }`
[INFO] [stdout] a14be5fe845eeadc98d7988b7bc2f963b019f08a80dea6d7700bd93e898b502a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--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] 8e56405c268e6febdf85e3bd95b07b7a2060550336ec83d88b9373cedc859d2b
[INFO] running `Command { std: "docker" "start" "-a" "8e56405c268e6febdf85e3bd95b07b7a2060550336ec83d88b9373cedc859d2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustc-ap-rustc_graphviz v683.0.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling psm v0.1.11
[INFO] [stderr]    Compiling stacker v0.1.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling lock_api v0.4.1
[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-1.4.2/src/lib.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![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-1.4.2/src/lib.rs:77:37
[INFO] [stdout]    |
[INFO] [stdout] 77 | #![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-rustc_graphviz-683.0.0/src/lib.rs:278:1
[INFO] [stdout]     |
[INFO] [stdout] 278 | #![feature(nll)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memmap v0.7.0
[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/lock_api-0.4.1/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v683.0.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[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-rustc_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 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[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] [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-rustc_macros-683.0.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[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" "8e56405c268e6febdf85e3bd95b07b7a2060550336ec83d88b9373cedc859d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e56405c268e6febdf85e3bd95b07b7a2060550336ec83d88b9373cedc859d2b", kill_on_drop: false }`
[INFO] [stdout] 8e56405c268e6febdf85e3bd95b07b7a2060550336ec83d88b9373cedc859d2b
