[INFO] fetching crate mcinterface 0.3.2...
[INFO] testing mcinterface-0.3.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate mcinterface 0.3.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mcinterface 0.3.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcinterface 0.3.2
[INFO] finished tweaking crates.io crate mcinterface 0.3.2
[INFO] tweaked toml for crates.io crate mcinterface 0.3.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67eaa57dc0a49535bd59ffe06206c70e0b96ab9dcb6e115968d8ef37e5ac3ab9
[INFO] running `Command { std: "docker" "start" "-a" "67eaa57dc0a49535bd59ffe06206c70e0b96ab9dcb6e115968d8ef37e5ac3ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67eaa57dc0a49535bd59ffe06206c70e0b96ab9dcb6e115968d8ef37e5ac3ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67eaa57dc0a49535bd59ffe06206c70e0b96ab9dcb6e115968d8ef37e5ac3ab9", kill_on_drop: false }`
[INFO] [stdout] 67eaa57dc0a49535bd59ffe06206c70e0b96ab9dcb6e115968d8ef37e5ac3ab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e9613b513870041cf8d7218a53d19d1ca56d0f07da3c02fb43e27253cb2ec97
[INFO] running `Command { std: "docker" "start" "-a" "8e9613b513870041cf8d7218a53d19d1ca56d0f07da3c02fb43e27253cb2ec97", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcinterface v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "8e9613b513870041cf8d7218a53d19d1ca56d0f07da3c02fb43e27253cb2ec97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9613b513870041cf8d7218a53d19d1ca56d0f07da3c02fb43e27253cb2ec97", kill_on_drop: false }`
[INFO] [stdout] 8e9613b513870041cf8d7218a53d19d1ca56d0f07da3c02fb43e27253cb2ec97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e514146fa12b7c9abab3fa5a38d0f4066b5c453fe68183da55347057a51681d6
[INFO] running `Command { std: "docker" "start" "-a" "e514146fa12b7c9abab3fa5a38d0f4066b5c453fe68183da55347057a51681d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcinterface v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/lib.rs:260:1
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn panic(_info: &PanicInfo) -> ! {
[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/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-90f6ddbf82de36ec.so, /opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-90f6ddbf82de36ec.rlib
[INFO] [stdout]     = note: second definition in the local crate (`mcinterface`)
[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 E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcinterface` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e514146fa12b7c9abab3fa5a38d0f4066b5c453fe68183da55347057a51681d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e514146fa12b7c9abab3fa5a38d0f4066b5c453fe68183da55347057a51681d6", kill_on_drop: false }`
[INFO] [stdout] e514146fa12b7c9abab3fa5a38d0f4066b5c453fe68183da55347057a51681d6
