[INFO] fetching crate drone-test 0.1.2...
[INFO] checking drone-test-0.1.2 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate drone-test 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate drone-test 0.1.2 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate drone-test 0.1.2
[INFO] finished tweaking crates.io crate drone-test 0.1.2
[INFO] tweaked toml for crates.io crate drone-test 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6cf0792cf58898244343962f8cf71c501a1b6d79d475c0c481308a8850e52401
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6cf0792cf58898244343962f8cf71c501a1b6d79d475c0c481308a8850e52401"`
[INFO] [stderr]     Checking sc v0.2.2
[INFO] [stderr]     Checking drone-test v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0152]: duplicate lang item found: `start`.
[INFO] [stderr]    --> src/lib.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | / extern "C" fn start(
[INFO] [stderr] 124 | |   main: fn(),
[INFO] [stderr] 125 | |   _argc: isize,
[INFO] [stderr] 126 | |   _argv: *const *const u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 129 | |   0
[INFO] [stderr] 130 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: first defined in crate `std` (which `test` depends on).
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `drone-test`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6cf0792cf58898244343962f8cf71c501a1b6d79d475c0c481308a8850e52401"`
[INFO] running `"docker" "rm" "-f" "6cf0792cf58898244343962f8cf71c501a1b6d79d475c0c481308a8850e52401"`
[INFO] [stdout] 6cf0792cf58898244343962f8cf71c501a1b6d79d475c0c481308a8850e52401