[INFO] cloning repository https://github.com/SpiralP/rust-classicube-cef-loader-plugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpiralP/rust-classicube-cef-loader-plugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiralP%2Frust-classicube-cef-loader-plugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiralP%2Frust-classicube-cef-loader-plugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4176d77c6a89ecbad6772f5688a3796680320f7b
[INFO] checking SpiralP/rust-classicube-cef-loader-plugin against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpiralP%2Frust-classicube-cef-loader-plugin" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SpiralP/rust-classicube-cef-loader-plugin on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/SpiralP/rust-classicube-cef-loader-plugin
[INFO] finished tweaking git repo https://github.com/SpiralP/rust-classicube-cef-loader-plugin
[INFO] tweaked toml for git repo https://github.com/SpiralP/rust-classicube-cef-loader-plugin written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/SpiralP/rust-classicube-cef-loader-plugin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50701c18efbf7793ab53d63a0b0d0012a23e777ec6f865dd19728f4599162096
[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" "50701c18efbf7793ab53d63a0b0d0012a23e777ec6f865dd19728f4599162096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50701c18efbf7793ab53d63a0b0d0012a23e777ec6f865dd19728f4599162096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50701c18efbf7793ab53d63a0b0d0012a23e777ec6f865dd19728f4599162096", kill_on_drop: false }`
[INFO] [stdout] 50701c18efbf7793ab53d63a0b0d0012a23e777ec6f865dd19728f4599162096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4b772779105828e2cb8c7b4a77f8bbae4968c5b4fdc0924b2f47ded10d19ff2
[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" "f4b772779105828e2cb8c7b4a77f8bbae4968c5b4fdc0924b2f47ded10d19ff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling paste v1.0.1
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling clang-sys v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.52
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking bzip2 v0.4.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]    Compiling classicube-sys v0.1.0 (https://github.com/SpiralP/rust-classicube-sys.git#92e0ebdf)
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking async-dispatcher v0.1.0 (https://github.com/SpiralP/rust-async-dispatcher.git#4e3f351c)
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/rust-classicube-sys-db50d2c321df658a/92e0ebd/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(external_doc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `classicube-sys`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[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" "f4b772779105828e2cb8c7b4a77f8bbae4968c5b4fdc0924b2f47ded10d19ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b772779105828e2cb8c7b4a77f8bbae4968c5b4fdc0924b2f47ded10d19ff2", kill_on_drop: false }`
[INFO] [stdout] f4b772779105828e2cb8c7b4a77f8bbae4968c5b4fdc0924b2f47ded10d19ff2