[INFO] fetching crate panic-dcc 0.1.1...
[INFO] building panic-dcc-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate panic-dcc 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate panic-dcc 0.1.1
[INFO] finished tweaking crates.io crate panic-dcc 0.1.1
[INFO] tweaked toml for crates.io crate panic-dcc 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate panic-dcc 0.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate panic-dcc 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arm-dcc v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a545f3767eae7a910984d241f0aba2a317ab4b06d8503a16a77d12e68b4cd72
[INFO] running `Command { std: "docker" "start" "-a" "1a545f3767eae7a910984d241f0aba2a317ab4b06d8503a16a77d12e68b4cd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a545f3767eae7a910984d241f0aba2a317ab4b06d8503a16a77d12e68b4cd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a545f3767eae7a910984d241f0aba2a317ab4b06d8503a16a77d12e68b4cd72", kill_on_drop: false }`
[INFO] [stdout] 1a545f3767eae7a910984d241f0aba2a317ab4b06d8503a16a77d12e68b4cd72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cf00e6d2a6979e8fbfa1aea825a4e93d54504d88fbd9f57d61e4d30e894a458
[INFO] running `Command { std: "docker" "start" "-a" "9cf00e6d2a6979e8fbfa1aea825a4e93d54504d88fbd9f57d61e4d30e894a458", kill_on_drop: false }`
[INFO] [stderr]    Compiling arm-dcc v0.1.1
[INFO] [stderr]    Compiling panic-dcc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "9cf00e6d2a6979e8fbfa1aea825a4e93d54504d88fbd9f57d61e4d30e894a458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf00e6d2a6979e8fbfa1aea825a4e93d54504d88fbd9f57d61e4d30e894a458", kill_on_drop: false }`
[INFO] [stdout] 9cf00e6d2a6979e8fbfa1aea825a4e93d54504d88fbd9f57d61e4d30e894a458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c314080f416a65b6b7090a23fe467fdfb5b05bd8d98af8107c6a482f43fd930b
[INFO] running `Command { std: "docker" "start" "-a" "c314080f416a65b6b7090a23fe467fdfb5b05bd8d98af8107c6a482f43fd930b", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-dcc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `panic-dcc` (lib test) due to 1 previous error
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/ad85bc524b1ad696e42061ad8338d382dffbdbe5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-689ca45c0c8af91f.so, /opt/rustwide/rustup-home/toolchains/ad85bc524b1ad696e42061ad8338d382dffbdbe5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-689ca45c0c8af91f.rlib
[INFO] [stdout]    = note: second definition in the local crate (`panic_dcc`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c314080f416a65b6b7090a23fe467fdfb5b05bd8d98af8107c6a482f43fd930b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c314080f416a65b6b7090a23fe467fdfb5b05bd8d98af8107c6a482f43fd930b", kill_on_drop: false }`
[INFO] [stdout] c314080f416a65b6b7090a23fe467fdfb5b05bd8d98af8107c6a482f43fd930b