[INFO] cloning repository https://github.com/DavidMikeSimon/lotsa_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DavidMikeSimon/lotsa_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidMikeSimon%2Flotsa_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidMikeSimon%2Flotsa_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2dbf6cb4773bbccf5cb359a68723624dee05286
[INFO] documenting DavidMikeSimon/lotsa_rust against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidMikeSimon%2Flotsa_rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DavidMikeSimon/lotsa_rust 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-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/DavidMikeSimon/lotsa_rust
[INFO] finished tweaking git repo https://github.com/DavidMikeSimon/lotsa_rust
[INFO] tweaked toml for git repo https://github.com/DavidMikeSimon/lotsa_rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/DavidMikeSimon/lotsa_rust 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded awc v0.2.2
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] [stderr]   Downloaded signal-hook v0.1.10
[INFO] [stderr]   Downloaded actix_derive v0.4.0
[INFO] [stderr]   Downloaded actix-web-actors v1.0.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.40
[INFO] [stderr]   Downloaded sourcefile v0.1.4
[INFO] [stderr]   Downloaded cc v1.0.32
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.40
[INFO] [stderr]   Downloaded regex v1.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.40
[INFO] [stderr]   Downloaded actix-utils v0.4.5
[INFO] [stderr]   Downloaded hashbrown v0.3.1
[INFO] [stderr]   Downloaded bincode v1.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.40
[INFO] [stderr]   Downloaded serde v1.0.89
[INFO] [stderr]   Downloaded actix v0.8.3
[INFO] [stderr]   Downloaded actix-files v0.1.4
[INFO] [stderr]   Downloaded actix-server-config v0.1.2
[INFO] [stderr]   Downloaded winreg v0.6.1
[INFO] [stderr]   Downloaded actix-rt v0.2.4
[INFO] [stderr]   Downloaded actix-server v0.6.0
[INFO] [stderr]   Downloaded weedle v0.8.0
[INFO] [stderr]   Downloaded socket2 v0.3.10
[INFO] [stderr]   Downloaded js-sys v0.3.17
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.40
[INFO] [stderr]   Downloaded actix-http v0.2.7
[INFO] [stderr]   Downloaded actix-connect v0.2.2
[INFO] [stderr]   Downloaded serde-big-array v0.1.4
[INFO] [stderr]   Downloaded wee_alloc v0.4.3
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.40
[INFO] [stderr]   Downloaded roaring v0.6.0
[INFO] [stderr]   Downloaded bumpalo v2.3.0
[INFO] [stderr]   Downloaded actix-web v1.0.5
[INFO] [stderr]   Downloaded web-sys v0.3.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f736e9d868d68c4eae2aeb1817731ee91a606dc5d34abdbec5ec3621c398a641
[INFO] running `Command { std: "docker" "start" "-a" "f736e9d868d68c4eae2aeb1817731ee91a606dc5d34abdbec5ec3621c398a641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f736e9d868d68c4eae2aeb1817731ee91a606dc5d34abdbec5ec3621c398a641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f736e9d868d68c4eae2aeb1817731ee91a606dc5d34abdbec5ec3621c398a641", kill_on_drop: false }`
[INFO] [stdout] f736e9d868d68c4eae2aeb1817731ee91a606dc5d34abdbec5ec3621c398a641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f327bf6422d9ea93d8c1f685299054cc8a30d17146de7e417b1edd30025f4621
[INFO] running `Command { std: "docker" "start" "-a" "f327bf6422d9ea93d8c1f685299054cc8a30d17146de7e417b1edd30025f4621", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling serde-big-array v0.1.4
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking roaring v0.6.0
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking lotsa v0.1.0 (/opt/rustwide/workdir/lotsa)
[INFO] [stderr]  Documenting lotsa v0.1.0 (/opt/rustwide/workdir/lotsa)
[INFO] [stderr] error: could not compile `lotsa` due to 2 previous errors
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> lotsa/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> lotsa/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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] [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 document `lotsa`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name lotsa lotsa/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a2df28d913dba3e8 -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-8520fda58e34c02a.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-dc90e2d3dc1a4705.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-54c130f166d38e67.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-9760945a62ce09b5.rmeta --extern roaring=/opt/rustwide/target/debug/deps/libroaring-cc3ec673b689ea31.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d7495a8fa141798a.rmeta --extern serde_big_array=/opt/rustwide/target/debug/deps/libserde_big_array-0d83de6c5b5f5c85.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f327bf6422d9ea93d8c1f685299054cc8a30d17146de7e417b1edd30025f4621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f327bf6422d9ea93d8c1f685299054cc8a30d17146de7e417b1edd30025f4621", kill_on_drop: false }`
[INFO] [stdout] f327bf6422d9ea93d8c1f685299054cc8a30d17146de7e417b1edd30025f4621