[INFO] updating cached repository https://github.com/lopopolo/rust-embed-panic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f89b0f686025ebfd246063f2ce45741addc995c
[INFO] documenting lopopolo/rust-embed-panic against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flopopolo%2Frust-embed-panic" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lopopolo/rust-embed-panic on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lopopolo/rust-embed-panic
[INFO] finished tweaking git repo https://github.com/lopopolo/rust-embed-panic
[INFO] tweaked toml for git repo https://github.com/lopopolo/rust-embed-panic written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/lopopolo/rust-embed-panic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a5e76c5545664771ccbbee0e85bdeb49512e1d6f9cab28ef5953ef26d3b9921
[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" "5a5e76c5545664771ccbbee0e85bdeb49512e1d6f9cab28ef5953ef26d3b9921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a5e76c5545664771ccbbee0e85bdeb49512e1d6f9cab28ef5953ef26d3b9921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5e76c5545664771ccbbee0e85bdeb49512e1d6f9cab28ef5953ef26d3b9921", kill_on_drop: false }`
[INFO] [stdout] 5a5e76c5545664771ccbbee0e85bdeb49512e1d6f9cab28ef5953ef26d3b9921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79fb92e45ac8f233cce770c705d00047842ea3e38310de80a0beb7c3fcd2e0a9
[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" "79fb92e45ac8f233cce770c705d00047842ea3e38310de80a0beb7c3fcd2e0a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rust-embed-impl v4.3.0
[INFO] [stderr]     Checking rust-embed v4.3.0
[INFO] [stderr]  Documenting rust-embed-panic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]  --> src/main.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(RustEmbed)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: #[derive(RustEmbed)] should contain one attribute like this #[folder = "examples/public/"]
[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] [stderr] error: Could not document `rust-embed-panic`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rust_embed_panic 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 rust_embed=/opt/rustwide/target/debug/deps/librust_embed-27ee00f4df1199be.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "79fb92e45ac8f233cce770c705d00047842ea3e38310de80a0beb7c3fcd2e0a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79fb92e45ac8f233cce770c705d00047842ea3e38310de80a0beb7c3fcd2e0a9", kill_on_drop: false }`
[INFO] [stdout] 79fb92e45ac8f233cce770c705d00047842ea3e38310de80a0beb7c3fcd2e0a9