[INFO] cloning repository https://github.com/eedahl/wr-stats-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eedahl/wr-stats-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feedahl%2Fwr-stats-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feedahl%2Fwr-stats-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05a3913b9208fc10a48e94ae3534d01882d0d63d
[INFO] documenting eedahl/wr-stats-rust against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feedahl%2Fwr-stats-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eedahl/wr-stats-rust on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eedahl/wr-stats-rust
[INFO] finished tweaking git repo https://github.com/eedahl/wr-stats-rust
[INFO] tweaked toml for git repo https://github.com/eedahl/wr-stats-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/eedahl/wr-stats-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 248804290ed38e80592ebe268a514b9bb232685e6be74a83aba4f3175cbf4326
[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" "248804290ed38e80592ebe268a514b9bb232685e6be74a83aba4f3175cbf4326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "248804290ed38e80592ebe268a514b9bb232685e6be74a83aba4f3175cbf4326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248804290ed38e80592ebe268a514b9bb232685e6be74a83aba4f3175cbf4326", kill_on_drop: false }`
[INFO] [stdout] 248804290ed38e80592ebe268a514b9bb232685e6be74a83aba4f3175cbf4326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1554d92e094658ca0bfb93765151dc8311c14fe4e64177c152482308bf0a18f7
[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" "1554d92e094658ca0bfb93765151dc8311c14fe4e64177c152482308bf0a18f7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling serde v1.0.59
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling literalext v0.1.1
[INFO] [stderr]     Checking bytes v0.3.0
[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/literalext-0.1.1/src/lib.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(feature = "proc-macro", feature(proc_macro))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0 (https://github.com/lfairy/maud#2455de58)
[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 `literalext`.
[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" "1554d92e094658ca0bfb93765151dc8311c14fe4e64177c152482308bf0a18f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1554d92e094658ca0bfb93765151dc8311c14fe4e64177c152482308bf0a18f7", kill_on_drop: false }`
[INFO] [stdout] 1554d92e094658ca0bfb93765151dc8311c14fe4e64177c152482308bf0a18f7