[INFO] cloning repository https://github.com/frroossst/callingRustFunctionsFromC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frroossst/callingRustFunctionsFromC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrroossst%2FcallingRustFunctionsFromC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrroossst%2FcallingRustFunctionsFromC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 485a3e8c0a6935c38a3440a8b07d4d1dcf801a79
[INFO] checking frroossst/callingRustFunctionsFromC against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrroossst%2FcallingRustFunctionsFromC" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frroossst/callingRustFunctionsFromC on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frroossst/callingRustFunctionsFromC
[INFO] finished tweaking git repo https://github.com/frroossst/callingRustFunctionsFromC
[INFO] tweaked toml for git repo https://github.com/frroossst/callingRustFunctionsFromC written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/frroossst/callingRustFunctionsFromC 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9058b55b3d746394491014515718e887dfc5c74c8b2665b160cc9301e0881f7d
[INFO] running `Command { std: "docker" "start" "-a" "9058b55b3d746394491014515718e887dfc5c74c8b2665b160cc9301e0881f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9058b55b3d746394491014515718e887dfc5c74c8b2665b160cc9301e0881f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9058b55b3d746394491014515718e887dfc5c74c8b2665b160cc9301e0881f7d", kill_on_drop: false }`
[INFO] [stdout] 9058b55b3d746394491014515718e887dfc5c74c8b2665b160cc9301e0881f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64eb1cdcbc18701af7b472153655646dbdb8ce18c410ae0b799cd4cfb9911e16
[INFO] running `Command { std: "docker" "start" "-a" "64eb1cdcbc18701af7b472153655646dbdb8ce18c410ae0b799cd4cfb9911e16", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking abi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / fn my_panic(_info: &PanicInfo) -> !
[INFO] [stdout] 8  | |     {
[INFO] [stdout] 9  | |     loop {}
[INFO] [stdout] 10 | |     }
[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/44f3504e96c944ae54fc72b5f5008f53f7eda001/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-399a850a7013db0c.rlib
[INFO] [stdout]    = note: second definition in the local crate (`abi`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `abi` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `abi` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "64eb1cdcbc18701af7b472153655646dbdb8ce18c410ae0b799cd4cfb9911e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64eb1cdcbc18701af7b472153655646dbdb8ce18c410ae0b799cd4cfb9911e16", kill_on_drop: false }`
[INFO] [stdout] 64eb1cdcbc18701af7b472153655646dbdb8ce18c410ae0b799cd4cfb9911e16