[INFO] cloning repository https://github.com/navicore/augorama_derive-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/navicore/augorama_derive-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnavicore%2Faugorama_derive-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnavicore%2Faugorama_derive-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f33576def9ca7ae752e5e0f502aa62edd312c1eb
[INFO] documenting navicore/augorama_derive-rs against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnavicore%2Faugorama_derive-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/navicore/augorama_derive-rs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/navicore/augorama_derive-rs
[INFO] finished tweaking git repo https://github.com/navicore/augorama_derive-rs
[INFO] tweaked toml for git repo https://github.com/navicore/augorama_derive-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/navicore/augorama_derive-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded warp v0.1.20
[INFO] [stderr]   Downloaded riker-macros v0.1.0
[INFO] [stderr]   Downloaded riker v0.3.2
[INFO] [stderr]   Downloaded tungstenite v0.9.1
[INFO] [stderr]   Downloaded riker-patterns v0.3.2
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24ca85977bb5f6af0e2ffac5343e8a212e24b202bbf74b13328d6414b7211d8e
[INFO] running `Command { std: "docker" "start" "-a" "24ca85977bb5f6af0e2ffac5343e8a212e24b202bbf74b13328d6414b7211d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24ca85977bb5f6af0e2ffac5343e8a212e24b202bbf74b13328d6414b7211d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ca85977bb5f6af0e2ffac5343e8a212e24b202bbf74b13328d6414b7211d8e", kill_on_drop: false }`
[INFO] [stdout] 24ca85977bb5f6af0e2ffac5343e8a212e24b202bbf74b13328d6414b7211d8e
[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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d27bacdddd1e7d124f812afbdfdbeedc15fda157871016d2cc4f707cfee661a
[INFO] running `Command { std: "docker" "start" "-a" "8d27bacdddd1e7d124f812afbdfdbeedc15fda157871016d2cc4f707cfee661a", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling ryu v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking indexmap v1.2.0
[INFO] [stderr]     Checking safemem v0.3.2
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking idna v0.2.0
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[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking mime v0.2.6
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[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling riker-macros v0.1.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
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[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking url v2.1.0
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[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking tokio-buf v0.1.1
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[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking headers-core v0.1.1
[INFO] [stderr]     Checking tungstenite v0.9.1
[INFO] [stderr]     Checking headers v0.2.3
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking env_logger v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking riker v0.3.2
[INFO] [stderr]     Checking riker-patterns v0.3.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/riker-patterns-0.3.2/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(arbitrary_self_types)]
[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 `riker-patterns`
[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" "8d27bacdddd1e7d124f812afbdfdbeedc15fda157871016d2cc4f707cfee661a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d27bacdddd1e7d124f812afbdfdbeedc15fda157871016d2cc4f707cfee661a", kill_on_drop: false }`
[INFO] [stdout] 8d27bacdddd1e7d124f812afbdfdbeedc15fda157871016d2cc4f707cfee661a
