[INFO] fetching crate sonos 0.1.4...
[INFO] checking sonos-0.1.4 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate sonos 0.1.4 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate sonos 0.1.4 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 sonos 0.1.4
[INFO] finished tweaking crates.io crate sonos 0.1.4
[INFO] tweaked toml for crates.io crate sonos 0.1.4 written to /workspace/builds/worker-21/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] dc08e265dc412da5f05e4fb18b652ef9100ee5352990348cbef56bfc8f18afc1
[INFO] running `Command { std: "docker" "start" "-a" "dc08e265dc412da5f05e4fb18b652ef9100ee5352990348cbef56bfc8f18afc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc08e265dc412da5f05e4fb18b652ef9100ee5352990348cbef56bfc8f18afc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc08e265dc412da5f05e4fb18b652ef9100ee5352990348cbef56bfc8f18afc1", kill_on_drop: false }`
[INFO] [stdout] dc08e265dc412da5f05e4fb18b652ef9100ee5352990348cbef56bfc8f18afc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 04790b00cf23649e5f65954681855b887173868a9f5537e93cc7dc7dcd8724c4
[INFO] running `Command { std: "docker" "start" "-a" "04790b00cf23649e5f65954681855b887173868a9f5537e93cc7dc7dcd8724c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking ssdp 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/ssdp-0.7.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(ip)]
[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 `ssdp` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "04790b00cf23649e5f65954681855b887173868a9f5537e93cc7dc7dcd8724c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04790b00cf23649e5f65954681855b887173868a9f5537e93cc7dc7dcd8724c4", kill_on_drop: false }`
[INFO] [stdout] 04790b00cf23649e5f65954681855b887173868a9f5537e93cc7dc7dcd8724c4
