[INFO] cloning repository https://github.com/klasspath/info
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klasspath/info" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklasspath%2Finfo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklasspath%2Finfo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03edf5636091a3033c70cb2f5845a69e5cd148f4
[INFO] testing klasspath/info against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklasspath%2Finfo" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/klasspath/info on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/klasspath/info
[INFO] finished tweaking git repo https://github.com/klasspath/info
[INFO] tweaked toml for git repo https://github.com/klasspath/info written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/klasspath/info already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be2e8876a8346cd75ca2a8bd2fbba791cd884f59d4f5e2f455e394bbd43d2fb3
[INFO] running `Command { std: "docker" "start" "-a" "be2e8876a8346cd75ca2a8bd2fbba791cd884f59d4f5e2f455e394bbd43d2fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be2e8876a8346cd75ca2a8bd2fbba791cd884f59d4f5e2f455e394bbd43d2fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2e8876a8346cd75ca2a8bd2fbba791cd884f59d4f5e2f455e394bbd43d2fb3", kill_on_drop: false }`
[INFO] [stdout] be2e8876a8346cd75ca2a8bd2fbba791cd884f59d4f5e2f455e394bbd43d2fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "RUSTFLAGS=--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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0458d8897e713042745d41e557cd5c6ef6bbe8a2562452357f29c09d2526dd7b
[INFO] running `Command { std: "docker" "start" "-a" "0458d8897e713042745d41e557cd5c6ef6bbe8a2562452357f29c09d2526dd7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling info 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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `info` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0458d8897e713042745d41e557cd5c6ef6bbe8a2562452357f29c09d2526dd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0458d8897e713042745d41e557cd5c6ef6bbe8a2562452357f29c09d2526dd7b", kill_on_drop: false }`
[INFO] [stdout] 0458d8897e713042745d41e557cd5c6ef6bbe8a2562452357f29c09d2526dd7b