[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 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoelife-coder%2Fmsdb" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moelife-coder/msdb on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+1.54.0" "fetch" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d6f601b73fce7b4bbd677be1906a7f1dfd5d461096bd2c1dcf7d17708c1c194
[INFO] running `Command { std: "docker" "start" "-a" "5d6f601b73fce7b4bbd677be1906a7f1dfd5d461096bd2c1dcf7d17708c1c194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d6f601b73fce7b4bbd677be1906a7f1dfd5d461096bd2c1dcf7d17708c1c194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6f601b73fce7b4bbd677be1906a7f1dfd5d461096bd2c1dcf7d17708c1c194", kill_on_drop: false }`
[INFO] [stdout] 5d6f601b73fce7b4bbd677be1906a7f1dfd5d461096bd2c1dcf7d17708c1c194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0956bf4aa1ee7ea6980b3e7ea608827dc347ce3f40a94b2641dd0bbbb399b0d8
[INFO] running `Command { std: "docker" "start" "-a" "0956bf4aa1ee7ea6980b3e7ea608827dc347ce3f40a94b2641dd0bbbb399b0d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking hex v0.4.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[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 stable 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-31c1aa2a0d7740ed.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-04835ffe6a8af6eb.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-72bbfff8b84b7eb6.rmeta --extern rpassword=/opt/rustwide/target/debug/deps/librpassword-f02e279e87c24775.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-5b6e9932693a6921.rmeta --extern sodiumoxide=/opt/rustwide/target/debug/deps/libsodiumoxide-c8f6e64e78edaa46.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0956bf4aa1ee7ea6980b3e7ea608827dc347ce3f40a94b2641dd0bbbb399b0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0956bf4aa1ee7ea6980b3e7ea608827dc347ce3f40a94b2641dd0bbbb399b0d8", kill_on_drop: false }`
[INFO] [stdout] 0956bf4aa1ee7ea6980b3e7ea608827dc347ce3f40a94b2641dd0bbbb399b0d8
