[INFO] cloning repository https://github.com/JimFawcett/RustLogger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JimFawcett/RustLogger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimFawcett%2FRustLogger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimFawcett%2FRustLogger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5985ebedfdb2252445d6a47ad4b0a5a2edb18144
[INFO] documenting JimFawcett/RustLogger against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJimFawcett%2FRustLogger" "/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/JimFawcett/RustLogger on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JimFawcett/RustLogger
[INFO] removed path dependency display from git repo https://github.com/JimFawcett/RustLogger
[INFO] finished tweaking git repo https://github.com/JimFawcett/RustLogger
[INFO] tweaked toml for git repo https://github.com/JimFawcett/RustLogger written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JimFawcett/RustLogger already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (display) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (display) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c09377cd6563c8f952f79a54556deedd493e4efe60e4693ca487c278ac9efa7
[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" "1c09377cd6563c8f952f79a54556deedd493e4efe60e4693ca487c278ac9efa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c09377cd6563c8f952f79a54556deedd493e4efe60e4693ca487c278ac9efa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c09377cd6563c8f952f79a54556deedd493e4efe60e4693ca487c278ac9efa7", kill_on_drop: false }`
[INFO] [stdout] 1c09377cd6563c8f952f79a54556deedd493e4efe60e4693ca487c278ac9efa7
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80d71a46d2b806aa27cf37c6f29a6fb3cdb6b96b9c75ff9fb809af5e9a571267
[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" "80d71a46d2b806aa27cf37c6f29a6fb3cdb6b96b9c75ff9fb809af5e9a571267", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (display) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking display v0.1.2
[INFO] [stderr]  Documenting logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `display` is ambiguous (name vs any other name during import resolution)
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use display::*;
[INFO] [stdout]    |     ^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: `display` could refer to a crate passed with `--extern`
[INFO] [stdout]    = help: use `::display` to refer to this crate unambiguously
[INFO] [stdout] note: `display` could also refer to the module imported here
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use display::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    = help: use `crate::display` to refer to this module unambiguously
[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 E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `logger`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name logger 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 --extern chrono=/opt/rustwide/target/debug/deps/libchrono-9defb8a53da70288.rmeta --extern display=/opt/rustwide/target/debug/deps/libdisplay-7f89178f5c30454b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "80d71a46d2b806aa27cf37c6f29a6fb3cdb6b96b9c75ff9fb809af5e9a571267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d71a46d2b806aa27cf37c6f29a6fb3cdb6b96b9c75ff9fb809af5e9a571267", kill_on_drop: false }`
[INFO] [stdout] 80d71a46d2b806aa27cf37c6f29a6fb3cdb6b96b9c75ff9fb809af5e9a571267
