[INFO] fetching crate pros-panic 0.1.1...
[INFO] testing pros-panic-0.1.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate pros-panic 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate pros-panic 0.1.1
[INFO] finished tweaking crates.io crate pros-panic 0.1.1
[INFO] tweaked toml for crates.io crate pros-panic 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pros-panic 0.1.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pros-core v0.1.1
[INFO] [stderr]   Downloaded dlmalloc v0.2.9
[INFO] [stderr]   Downloaded no_std_io v0.6.0
[INFO] [stderr]   Downloaded pros-devices v0.2.0
[INFO] [stderr]   Downloaded pros-sys v0.8.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94819b16ae154b6b6e1aff9c9a3874f1b40fb02748a15785b921bf8605d505ce
[INFO] running `Command { std: "docker" "start" "-a" "94819b16ae154b6b6e1aff9c9a3874f1b40fb02748a15785b921bf8605d505ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94819b16ae154b6b6e1aff9c9a3874f1b40fb02748a15785b921bf8605d505ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94819b16ae154b6b6e1aff9c9a3874f1b40fb02748a15785b921bf8605d505ce", kill_on_drop: false }`
[INFO] [stdout] 94819b16ae154b6b6e1aff9c9a3874f1b40fb02748a15785b921bf8605d505ce
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f6d23213e1e8b75e147c73fe2714b84912f21adc64aa7aefd2019a341399884b
[INFO] running `Command { std: "docker" "start" "-a" "f6d23213e1e8b75e147c73fe2714b84912f21adc64aa7aefd2019a341399884b", kill_on_drop: false }`
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling pros-sys v0.8.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]    Compiling no_std_io v0.6.0
[INFO] [stderr]    Compiling snafu v0.8.6
[INFO] [stderr]    Compiling pros-core v0.1.1
[INFO] [stderr]    Compiling pros-devices v0.2.0
[INFO] [stderr]    Compiling pros-panic v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "f6d23213e1e8b75e147c73fe2714b84912f21adc64aa7aefd2019a341399884b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d23213e1e8b75e147c73fe2714b84912f21adc64aa7aefd2019a341399884b", kill_on_drop: false }`
[INFO] [stdout] f6d23213e1e8b75e147c73fe2714b84912f21adc64aa7aefd2019a341399884b
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b913b40ca74ada83c315961b9d8c26ab14eeaa24467d7297af997975320d6cf0
[INFO] running `Command { std: "docker" "start" "-a" "b913b40ca74ada83c315961b9d8c26ab14eeaa24467d7297af997975320d6cf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling pros-panic v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/lib.rs:87:1
[INFO] [stdout]     |
[INFO] [stdout] 87  | / pub fn panic(info: &core::panic::PanicInfo<'_>) -> ! {
[INFO] [stdout] 88  | |     let current_task = pros_core::task::current();
[INFO] [stdout] 89  | |
[INFO] [stdout] 90  | |     let task_name = current_task.name().unwrap_or_else(|_| "<unknown>".into());
[INFO] [stdout] ...   |
[INFO] [stdout] 109 | | }
[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/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/lib/rustlib/x86_64-unknown-linux-musl/lib/libstd-6552f92f1a5eadae.so, /opt/rustwide/rustup-home/toolchains/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/lib/rustlib/x86_64-unknown-linux-musl/lib/libstd-6552f92f1a5eadae.rlib
[INFO] [stdout]     = note: second definition in the local crate (`pros_panic`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pros-panic` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b913b40ca74ada83c315961b9d8c26ab14eeaa24467d7297af997975320d6cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b913b40ca74ada83c315961b9d8c26ab14eeaa24467d7297af997975320d6cf0", kill_on_drop: false }`
[INFO] [stdout] b913b40ca74ada83c315961b9d8c26ab14eeaa24467d7297af997975320d6cf0