[INFO] cloning repository https://github.com/fotonick/doxie-control
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fotonick/doxie-control" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffotonick%2Fdoxie-control", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffotonick%2Fdoxie-control'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f48a9d9e684c3d9b6854acebe90542b72ef750a0
[INFO] documenting fotonick/doxie-control 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%2Ffotonick%2Fdoxie-control" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fotonick/doxie-control 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/fotonick/doxie-control
[INFO] finished tweaking git repo https://github.com/fotonick/doxie-control
[INFO] tweaked toml for git repo https://github.com/fotonick/doxie-control written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/fotonick/doxie-control 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] dcb13358861203a20d5dd6d84d0151c9ea133acb7f5a6870e70200aaa476330d
[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" "dcb13358861203a20d5dd6d84d0151c9ea133acb7f5a6870e70200aaa476330d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcb13358861203a20d5dd6d84d0151c9ea133acb7f5a6870e70200aaa476330d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb13358861203a20d5dd6d84d0151c9ea133acb7f5a6870e70200aaa476330d", kill_on_drop: false }`
[INFO] [stdout] dcb13358861203a20d5dd6d84d0151c9ea133acb7f5a6870e70200aaa476330d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1f8da619c5f8c075e18f2929c54455517fc85949b78a5f2610502e342616d2e7
[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" "1f8da619c5f8c075e18f2929c54455517fc85949b78a5f2610502e342616d2e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.14
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.36
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.10
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking h2 v0.1.15
[INFO] [stderr]     Checking ssdp v0.7.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio v0.1.14
[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/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`
[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" "1f8da619c5f8c075e18f2929c54455517fc85949b78a5f2610502e342616d2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8da619c5f8c075e18f2929c54455517fc85949b78a5f2610502e342616d2e7", kill_on_drop: false }`
[INFO] [stdout] 1f8da619c5f8c075e18f2929c54455517fc85949b78a5f2610502e342616d2e7
