[INFO] fetching crate mcinterface 0.3.2...
[INFO] testing mcinterface-0.3.2 against 1.76.0 for beta-1.77-1
[INFO] extracting crate mcinterface 0.3.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mcinterface 0.3.2 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26006ff37de96ad2b1566e9d7859884302211ceda5742003846fa9f850929781
[INFO] running `Command { std: "docker" "start" "-a" "26006ff37de96ad2b1566e9d7859884302211ceda5742003846fa9f850929781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26006ff37de96ad2b1566e9d7859884302211ceda5742003846fa9f850929781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26006ff37de96ad2b1566e9d7859884302211ceda5742003846fa9f850929781", kill_on_drop: false }`
[INFO] [stdout] 26006ff37de96ad2b1566e9d7859884302211ceda5742003846fa9f850929781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2fdff2207799b888429aa65cf8dabf741cb562d238b9757a420c1f64abc3861
[INFO] running `Command { std: "docker" "start" "-a" "b2fdff2207799b888429aa65cf8dabf741cb562d238b9757a420c1f64abc3861", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcinterface v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "b2fdff2207799b888429aa65cf8dabf741cb562d238b9757a420c1f64abc3861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2fdff2207799b888429aa65cf8dabf741cb562d238b9757a420c1f64abc3861", kill_on_drop: false }`
[INFO] [stdout] b2fdff2207799b888429aa65cf8dabf741cb562d238b9757a420c1f64abc3861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 709e7f1cbb1b1c2d93b55006259baed94700491b390ddacbcbffb35c64f1f88c
[INFO] running `Command { std: "docker" "start" "-a" "709e7f1cbb1b1c2d93b55006259baed94700491b390ddacbcbffb35c64f1f88c", 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] 261 | |     println("RUST PANIC - entering infinite loop!");
[INFO] [stdout] 262 | |     loop { mc_sleep(); }
[INFO] [stdout] 263 | | }
[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/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-66d8041607d2929b.so, /opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-66d8041607d2929b.rlib
[INFO] [stdout]     = note: second definition in the local crate (`mcinterface`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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" "709e7f1cbb1b1c2d93b55006259baed94700491b390ddacbcbffb35c64f1f88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "709e7f1cbb1b1c2d93b55006259baed94700491b390ddacbcbffb35c64f1f88c", kill_on_drop: false }`
[INFO] [stdout] 709e7f1cbb1b1c2d93b55006259baed94700491b390ddacbcbffb35c64f1f88c
