[INFO] updating cached repository https://github.com/theypsilon/rust-bug-crash-cfg-if-macro
[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] a157f041981a7c338ce052f7131e15b6bea491d6
[INFO] documenting theypsilon/rust-bug-crash-cfg-if-macro against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheypsilon%2Frust-bug-crash-cfg-if-macro" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theypsilon/rust-bug-crash-cfg-if-macro 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/theypsilon/rust-bug-crash-cfg-if-macro
[INFO] finished tweaking git repo https://github.com/theypsilon/rust-bug-crash-cfg-if-macro
[INFO] tweaked toml for git repo https://github.com/theypsilon/rust-bug-crash-cfg-if-macro written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/theypsilon/rust-bug-crash-cfg-if-macro 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4388ba7f58129f655c0c9d70f0428e102cdc3e246386c967fd6e1b047ed31e83
[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" "4388ba7f58129f655c0c9d70f0428e102cdc3e246386c967fd6e1b047ed31e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4388ba7f58129f655c0c9d70f0428e102cdc3e246386c967fd6e1b047ed31e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4388ba7f58129f655c0c9d70f0428e102cdc3e246386c967fd6e1b047ed31e83", kill_on_drop: false }`
[INFO] [stdout] 4388ba7f58129f655c0c9d70f0428e102cdc3e246386c967fd6e1b047ed31e83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d27389e0669a2ad6ffa6e3e1b9347d714012b43dad1f35bc78bcf4bb76983547
[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" "d27389e0669a2ad6ffa6e3e1b9347d714012b43dad1f35bc78bcf4bb76983547", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]  Documenting rust-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `foo` is defined multiple times
[INFO] [stdout]   --> src/foo.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | macro_rules! foo {
[INFO] [stdout]    | ---------------- previous definition of the macro `foo` here
[INFO] [stdout] ...
[INFO] [stdout] 13 | macro_rules! foo {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^ `foo` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `foo` must be defined only once in the macro namespace of this module
[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 E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rust-bug`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name rust_bug 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 cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-5de5d9b449c1c32a.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "d27389e0669a2ad6ffa6e3e1b9347d714012b43dad1f35bc78bcf4bb76983547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27389e0669a2ad6ffa6e3e1b9347d714012b43dad1f35bc78bcf4bb76983547", kill_on_drop: false }`
[INFO] [stdout] d27389e0669a2ad6ffa6e3e1b9347d714012b43dad1f35bc78bcf4bb76983547