[INFO] fetching crate cargo-mote 0.1.2...
[INFO] documenting cargo-mote-0.1.2 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate cargo-mote 0.1.2 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate cargo-mote 0.1.2 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 crates.io crate cargo-mote 0.1.2
[INFO] finished tweaking crates.io crate cargo-mote 0.1.2
[INFO] tweaked toml for crates.io crate cargo-mote 0.1.2 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate crates.io crate cargo-mote 0.1.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 3e2d76fefcfc01c092f0bc18a74eafb43cc80faeab5c4d3cd70d7e5df8b43bd9
[INFO] running `Command { std: "docker" "start" "-a" "3e2d76fefcfc01c092f0bc18a74eafb43cc80faeab5c4d3cd70d7e5df8b43bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e2d76fefcfc01c092f0bc18a74eafb43cc80faeab5c4d3cd70d7e5df8b43bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2d76fefcfc01c092f0bc18a74eafb43cc80faeab5c4d3cd70d7e5df8b43bd9", kill_on_drop: false }`
[INFO] [stdout] 3e2d76fefcfc01c092f0bc18a74eafb43cc80faeab5c4d3cd70d7e5df8b43bd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 47ccf59893bfbe32595e769c75d1cd61a0568598371a0054d468edbbbb9691a7
[INFO] running `Command { std: "docker" "start" "-a" "47ccf59893bfbe32595e769c75d1cd61a0568598371a0054d468edbbbb9691a7", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.10
[INFO] [stderr]     Checking futures-sink v0.3.10
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-io v0.3.10
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[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 cassowary v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling futures-macro v0.3.10
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking futures-channel v0.3.10
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking futures-task v0.3.10
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking futures-util v0.3.10
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking ssdp v0.7.0
[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" "47ccf59893bfbe32595e769c75d1cd61a0568598371a0054d468edbbbb9691a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ccf59893bfbe32595e769c75d1cd61a0568598371a0054d468edbbbb9691a7", kill_on_drop: false }`
[INFO] [stdout] 47ccf59893bfbe32595e769c75d1cd61a0568598371a0054d468edbbbb9691a7
