[INFO] cloning repository https://github.com/hoverkite/hoverkite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hoverkite/hoverkite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoverkite%2Fhoverkite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoverkite%2Fhoverkite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb80350bee8893c64adf1ab7b0a117835bc1c99c
[INFO] checking hoverkite/hoverkite against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoverkite%2Fhoverkite" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hoverkite/hoverkite on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hoverkite/hoverkite
[INFO] finished tweaking git repo https://github.com/hoverkite/hoverkite
[INFO] tweaked toml for git repo https://github.com/hoverkite/hoverkite written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hoverkite/hoverkite already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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 test-case v1.1.0
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded displaydoc v0.2.1
[INFO] [stderr]   Downloaded peg v0.7.0
[INFO] [stderr]   Downloaded peg-runtime v0.7.0
[INFO] [stderr]   Downloaded pharos v0.4.2
[INFO] [stderr]   Downloaded local_ipaddress v0.1.3
[INFO] [stderr]   Downloaded mac_address v1.1.1
[INFO] [stderr]   Downloaded mqttbytes v0.1.0
[INFO] [stderr]   Downloaded gilrs-core v0.3.1
[INFO] [stderr]   Downloaded homie-device v0.5.0
[INFO] [stderr]   Downloaded gilrs v0.8.1
[INFO] [stderr]   Downloaded pollster v0.2.4
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded async_io_stream v0.2.0
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded peg-macros v0.7.0
[INFO] [stderr]   Downloaded arrayvec v0.7.0
[INFO] [stderr]   Downloaded serialport v4.0.1
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded rustls-native-certs v0.5.0
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded ws_stream_tungstenite v0.4.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.5
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded rumqttc v0.4.0
[INFO] [stderr]   Downloaded stable-eyre v0.2.2
[INFO] [stderr]   Downloaded color-backtrace v0.5.1
[INFO] [stderr]   Downloaded abc-parser v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8472d4e30e8f24ccdd2504ffdb087d36e74ca04449f351352ad64f5503f039e
[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" "b8472d4e30e8f24ccdd2504ffdb087d36e74ca04449f351352ad64f5503f039e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8472d4e30e8f24ccdd2504ffdb087d36e74ca04449f351352ad64f5503f039e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8472d4e30e8f24ccdd2504ffdb087d36e74ca04449f351352ad64f5503f039e", kill_on_drop: false }`
[INFO] [stdout] b8472d4e30e8f24ccdd2504ffdb087d36e74ca04449f351352ad64f5503f039e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--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] 546731c1bbc9bec7aa77a6fb36a4eb2d2f9ef44a89dd6a5f5611f0c9720108a0
[INFO] running `Command { std: "docker" "start" "-a" "546731c1bbc9bec7aa77a6fb36a4eb2d2f9ef44a89dd6a5f5611f0c9720108a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling mac_address v1.1.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking arrayvec v0.7.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking local_ipaddress v0.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling test-case v1.1.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking mqttbytes v0.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking eyre v0.6.5
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.16.1
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]    Compiling async_io_stream v0.2.0
[INFO] [stderr]    Compiling ws_stream_tungstenite v0.4.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking color-backtrace v0.5.1
[INFO] [stderr]     Checking stable-eyre v0.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking peg v0.7.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking abc-parser v0.3.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]     Checking gilrs-core v0.3.1
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking gilrs v0.8.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling displaydoc v0.2.1
[INFO] [stderr]     Checking messages v0.1.0 (/opt/rustwide/workdir/messages)
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking pharos v0.4.2
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async_io_stream-0.2.0/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr( nightly, feature(doc_cfg, external_doc) )]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_io_stream`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "546731c1bbc9bec7aa77a6fb36a4eb2d2f9ef44a89dd6a5f5611f0c9720108a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546731c1bbc9bec7aa77a6fb36a4eb2d2f9ef44a89dd6a5f5611f0c9720108a0", kill_on_drop: false }`
[INFO] [stdout] 546731c1bbc9bec7aa77a6fb36a4eb2d2f9ef44a89dd6a5f5611f0c9720108a0