[INFO] cloning repository https://github.com/kwstannard/easy_table
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kwstannard/easy_table" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwstannard%2Feasy_table", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwstannard%2Feasy_table'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d4d7cad29df86c4484d2858dc2bbd50a37803f6
[INFO] documenting kwstannard/easy_table 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%2Fkwstannard%2Feasy_table" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kwstannard/easy_table 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/kwstannard/easy_table
[INFO] finished tweaking git repo https://github.com/kwstannard/easy_table
[INFO] tweaked toml for git repo https://github.com/kwstannard/easy_table written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kwstannard/easy_table 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3cc1fd850b5ad9addaf4d230c46e8e88ff719a741d6b72e607bdda8a4ee45df7
[INFO] running `Command { std: "docker" "start" "-a" "3cc1fd850b5ad9addaf4d230c46e8e88ff719a741d6b72e607bdda8a4ee45df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc1fd850b5ad9addaf4d230c46e8e88ff719a741d6b72e607bdda8a4ee45df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc1fd850b5ad9addaf4d230c46e8e88ff719a741d6b72e607bdda8a4ee45df7", kill_on_drop: false }`
[INFO] [stdout] 3cc1fd850b5ad9addaf4d230c46e8e88ff719a741d6b72e607bdda8a4ee45df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] dc5fe30ab0079d3a9d05762c803a6fb1d6b4128e4272b7b61929f50ee534136b
[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" "dc5fe30ab0079d3a9d05762c803a6fb1d6b4128e4272b7b61929f50ee534136b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting easy_table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of: `*`, `+`, or `?`
[INFO] [stdout]  --> src/lib.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |             $( $obj.$meth );
[INFO] [stdout]   |                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attempted to repeat an expression containing no syntax variables matched as repeating at this depth
[INFO] [stdout]  --> src/lib.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |             $( $obj.$meth );
[INFO] [stdout]   |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `easy_table`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name easy_table src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "dc5fe30ab0079d3a9d05762c803a6fb1d6b4128e4272b7b61929f50ee534136b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5fe30ab0079d3a9d05762c803a6fb1d6b4128e4272b7b61929f50ee534136b", kill_on_drop: false }`
[INFO] [stdout] dc5fe30ab0079d3a9d05762c803a6fb1d6b4128e4272b7b61929f50ee534136b