[INFO] cloning repository https://github.com/Torrencem/dynamics-search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Torrencem/dynamics-search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTorrencem%2Fdynamics-search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTorrencem%2Fdynamics-search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7511fcc5e1c20231e996e5f153aa0e0394bea5f
[INFO] documenting Torrencem/dynamics-search against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTorrencem%2Fdynamics-search" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Torrencem/dynamics-search on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Torrencem/dynamics-search
[INFO] finished tweaking git repo https://github.com/Torrencem/dynamics-search
[INFO] tweaked toml for git repo https://github.com/Torrencem/dynamics-search written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Torrencem/dynamics-search already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6af6aa442eba3bdb9c3037a4f1a2ba5bc72fd0546682b733a107ac829edad40
[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" "b6af6aa442eba3bdb9c3037a4f1a2ba5bc72fd0546682b733a107ac829edad40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6af6aa442eba3bdb9c3037a4f1a2ba5bc72fd0546682b733a107ac829edad40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6af6aa442eba3bdb9c3037a4f1a2ba5bc72fd0546682b733a107ac829edad40", kill_on_drop: false }`
[INFO] [stdout] b6af6aa442eba3bdb9c3037a4f1a2ba5bc72fd0546682b733a107ac829edad40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 764aaf938526611fd57f1c13aab9bab222d0b72693d56414c06a594af388dd9d
[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" "764aaf938526611fd57f1c13aab9bab222d0b72693d56414c06a594af388dd9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]  Documenting computing_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(euclidean_division, test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `computing_project`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name computing_project src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-9a4d82431953bc91.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-eed58d3be54f4a72.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-0cf272d97adbcba7.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-f7dbd11a2149f3ea.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-a228bf0d3e406b0f.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-278d7d3f75ad3032.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-e4ab5e1b7b067813.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-48f445902e3e71f0.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "764aaf938526611fd57f1c13aab9bab222d0b72693d56414c06a594af388dd9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764aaf938526611fd57f1c13aab9bab222d0b72693d56414c06a594af388dd9d", kill_on_drop: false }`
[INFO] [stdout] 764aaf938526611fd57f1c13aab9bab222d0b72693d56414c06a594af388dd9d