[INFO] fetching crate latke 0.0.0...
[INFO] documenting latke-0.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate latke 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate latke 0.0.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate latke 0.0.0
[INFO] finished tweaking crates.io crate latke 0.0.0
[INFO] tweaked toml for crates.io crate latke 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate latke 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.0.0-rc.4
[INFO] [stderr]   Downloaded clap v3.0.0-rc.4
[INFO] [stderr]   Downloaded dispose v0.4.0
[INFO] [stderr]   Downloaded topograph v0.2.0-alpha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61c6df657ccd75bc9cc8211553573aacd146a671d35bcc31f467225b66321deb
[INFO] running `Command { std: "docker" "start" "-a" "61c6df657ccd75bc9cc8211553573aacd146a671d35bcc31f467225b66321deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61c6df657ccd75bc9cc8211553573aacd146a671d35bcc31f467225b66321deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c6df657ccd75bc9cc8211553573aacd146a671d35bcc31f467225b66321deb", kill_on_drop: false }`
[INFO] [stdout] 61c6df657ccd75bc9cc8211553573aacd146a671d35bcc31f467225b66321deb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10e3f9c90efaa69f7f0dc4331985cfebde28471190edb83a9548bcb478fccc97
[INFO] running `Command { std: "docker" "start" "-a" "10e3f9c90efaa69f7f0dc4331985cfebde28471190edb83a9548bcb478fccc97", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking dashmap v5.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crypto-common v0.1.0
[INFO] [stderr]     Checking block-buffer v0.10.0
[INFO] [stderr]     Checking digest v0.10.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking sha2 v0.10.0
[INFO] [stderr]    Compiling dispose-derive v0.3.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-rc.4
[INFO] [stderr]     Checking clap v3.0.0-rc.4
[INFO] [stderr]     Checking dispose v0.4.0
[INFO] [stderr]     Checking topograph v0.2.0-alpha.1
[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/topograph-0.2.0-alpha.1/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(generic_associated_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 `topograph` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "10e3f9c90efaa69f7f0dc4331985cfebde28471190edb83a9548bcb478fccc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e3f9c90efaa69f7f0dc4331985cfebde28471190edb83a9548bcb478fccc97", kill_on_drop: false }`
[INFO] [stdout] 10e3f9c90efaa69f7f0dc4331985cfebde28471190edb83a9548bcb478fccc97