[INFO] cloning repository https://github.com/athei/mult-panic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/athei/mult-panic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathei%2Fmult-panic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathei%2Fmult-panic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c161988b513575c725633607732dfb7872dd4d02
[INFO] checking athei/mult-panic/c161988b513575c725633607732dfb7872dd4d02 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathei%2Fmult-panic" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/athei/mult-panic on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/athei/mult-panic
[INFO] finished tweaking git repo https://github.com/athei/mult-panic
[INFO] tweaked toml for git repo https://github.com/athei/mult-panic written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/athei/mult-panic 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 919c9cb9aee663ec47a68aae9a2ce87a45aa321fec8af8bbcf94154aae7a8be9
[INFO] running `Command { std: "docker" "start" "-a" "919c9cb9aee663ec47a68aae9a2ce87a45aa321fec8af8bbcf94154aae7a8be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "919c9cb9aee663ec47a68aae9a2ce87a45aa321fec8af8bbcf94154aae7a8be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "919c9cb9aee663ec47a68aae9a2ce87a45aa321fec8af8bbcf94154aae7a8be9", kill_on_drop: false }`
[INFO] [stdout] 919c9cb9aee663ec47a68aae9a2ce87a45aa321fec8af8bbcf94154aae7a8be9
[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=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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d846dbd90ac0f95c2195d5ea83cc0ccffd47a84a92945238069ab0e37df8c01d
[INFO] running `Command { std: "docker" "start" "-a" "d846dbd90ac0f95c2195d5ea83cc0ccffd47a84a92945238069ab0e37df8c01d", kill_on_drop: false }`
[INFO] [stderr]     Checking mult_panic 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:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / fn my_panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 26 | |     loop {}
[INFO] [stdout] 27 | | }
[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/f609b7e0586f81fefb3523e3e17adf779ac416be/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e0ee872a6f64065a.rlib
[INFO] [stdout]    = note: second definition in the local crate (`mult_panic`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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 `mult_panic` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mult_panic` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d846dbd90ac0f95c2195d5ea83cc0ccffd47a84a92945238069ab0e37df8c01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d846dbd90ac0f95c2195d5ea83cc0ccffd47a84a92945238069ab0e37df8c01d", kill_on_drop: false }`
[INFO] [stdout] d846dbd90ac0f95c2195d5ea83cc0ccffd47a84a92945238069ab0e37df8c01d