[INFO] cloning repository https://github.com/kaiyes/rust_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaiyes/rust_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaiyes%2Frust_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaiyes%2Frust_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bac007824e86a8fddc9d3a0ebc8965b09ea8a8da
[INFO] documenting kaiyes/rust_test against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaiyes%2Frust_test" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaiyes/rust_test on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaiyes/rust_test
[INFO] finished tweaking git repo https://github.com/kaiyes/rust_test
[INFO] tweaked toml for git repo https://github.com/kaiyes/rust_test written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kaiyes/rust_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 639928e0b2d9388b53c2db8f2a007e70c14c59311482a8fa1507aa4a8eac9bd2
[INFO] running `Command { std: "docker" "start" "-a" "639928e0b2d9388b53c2db8f2a007e70c14c59311482a8fa1507aa4a8eac9bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "639928e0b2d9388b53c2db8f2a007e70c14c59311482a8fa1507aa4a8eac9bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639928e0b2d9388b53c2db8f2a007e70c14c59311482a8fa1507aa4a8eac9bd2", kill_on_drop: false }`
[INFO] [stdout] 639928e0b2d9388b53c2db8f2a007e70c14c59311482a8fa1507aa4a8eac9bd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 1026c73d8fa37e5fe7f0b8c44af19ded781877c093025a6561862021411d370b
[INFO] running `Command { std: "docker" "start" "-a" "1026c73d8fa37e5fe7f0b8c44af19ded781877c093025a6561862021411d370b", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_init v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 5 | fn main() {
[INFO] [stdout]   | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `main` must be defined only once in the value 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_init`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rust_init src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1707084a32b59b0f -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1026c73d8fa37e5fe7f0b8c44af19ded781877c093025a6561862021411d370b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1026c73d8fa37e5fe7f0b8c44af19ded781877c093025a6561862021411d370b", kill_on_drop: false }`
[INFO] [stdout] 1026c73d8fa37e5fe7f0b8c44af19ded781877c093025a6561862021411d370b