[INFO] cloning repository https://github.com/moelife-coder/msdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moelife-coder/msdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoelife-coder%2Fmsdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoelife-coder%2Fmsdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d501bdb8705f6c7c513bfa189be514b1b17814cf
[INFO] documenting moelife-coder/msdb 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%2Fmoelife-coder%2Fmsdb" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moelife-coder/msdb 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/moelife-coder/msdb
[INFO] finished tweaking git repo https://github.com/moelife-coder/msdb
[INFO] tweaked toml for git repo https://github.com/moelife-coder/msdb written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/moelife-coder/msdb 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]  Downloading crates ...
[INFO] [stderr]   Downloaded hex v0.4.1
[INFO] [stderr]   Downloaded rpassword v4.0.5
[INFO] [stderr]   Downloaded libsodium-sys v0.2.5
[INFO] [stderr]   Downloaded sodiumoxide v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f1fae467dd8869559ba4462f7d8cc2bdf600fe24e75c0ed2bae9375cc6f5923e
[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" "f1fae467dd8869559ba4462f7d8cc2bdf600fe24e75c0ed2bae9375cc6f5923e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1fae467dd8869559ba4462f7d8cc2bdf600fe24e75c0ed2bae9375cc6f5923e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fae467dd8869559ba4462f7d8cc2bdf600fe24e75c0ed2bae9375cc6f5923e", kill_on_drop: false }`
[INFO] [stdout] f1fae467dd8869559ba4462f7d8cc2bdf600fe24e75c0ed2bae9375cc6f5923e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0d42f7b66a63e9e23c0276807385784ca708b93ed1cab3e6b8bb140928b3c55f
[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" "0d42f7b66a63e9e23c0276807385784ca708b93ed1cab3e6b8bb140928b3c55f", kill_on_drop: false }`
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking hex v0.4.1
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling libsodium-sys v0.2.5
[INFO] [stderr]     Checking rustyline v6.0.0
[INFO] [stderr]     Checking sodiumoxide v0.2.5
[INFO] [stderr]  Documenting msdb v0.4.0 (/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(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 `msdb`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name msdb 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 clap=/opt/rustwide/target/debug/deps/libclap-e6baa1efdda11cdd.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-c0a39de647a4a938.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-94fa7d538ece6f87.rmeta --extern rpassword=/opt/rustwide/target/debug/deps/librpassword-4743e4a6c9cdf70c.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-1edba056957afc18.rmeta --extern sodiumoxide=/opt/rustwide/target/debug/deps/libsodiumoxide-9bc5b9281394bdb3.rmeta --cap-lints=warn --crate-version 0.4.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "0d42f7b66a63e9e23c0276807385784ca708b93ed1cab3e6b8bb140928b3c55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d42f7b66a63e9e23c0276807385784ca708b93ed1cab3e6b8bb140928b3c55f", kill_on_drop: false }`
[INFO] [stdout] 0d42f7b66a63e9e23c0276807385784ca708b93ed1cab3e6b8bb140928b3c55f