[INFO] cloning repository https://github.com/Eviber/kfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eviber/kfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEviber%2Fkfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEviber%2Fkfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] baa78b6f17662295bb6ebeb8a87fb3b111dfefec
[INFO] checking Eviber/kfs/baa78b6f17662295bb6ebeb8a87fb3b111dfefec against 0b63defc8fd68957c635fe61f097b84df8fd9611 for pr-154715
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEviber%2Fkfs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Eviber/kfs
[INFO] finished tweaking git repo https://github.com/Eviber/kfs
[INFO] tweaked toml for git repo https://github.com/Eviber/kfs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Eviber/kfs on toolchain 0b63defc8fd68957c635fe61f097b84df8fd9611
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0b63defc8fd68957c635fe61f097b84df8fd9611" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Eviber/kfs 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" "+0b63defc8fd68957c635fe61f097b84df8fd9611" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fc950685b65f64901137db3f66e804797bcbb550a4aaf560bb56ed8b7c9a5555
[INFO] running `Command { std: "docker" "start" "fc950685b65f64901137db3f66e804797bcbb550a4aaf560bb56ed8b7c9a5555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc950685b65f64901137db3f66e804797bcbb550a4aaf560bb56ed8b7c9a5555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc950685b65f64901137db3f66e804797bcbb550a4aaf560bb56ed8b7c9a5555" "/opt/rustwide/cargo-home/bin/cargo" "+0b63defc8fd68957c635fe61f097b84df8fd9611" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc950685b65f64901137db3f66e804797bcbb550a4aaf560bb56ed8b7c9a5555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fc950685b65f64901137db3f66e804797bcbb550a4aaf560bb56ed8b7c9a5555" "/opt/rustwide/cargo-home/bin/cargo" "+0b63defc8fd68957c635fe61f097b84df8fd9611" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking kfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/main.rs:221:1
[INFO] [stdout]     |
[INFO] [stdout] 221 | / fn crash_and_burn(info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 222 | |     // Safety: At this point we're crashing down anyways.
[INFO] [stdout] 223 | |     // Might as well try to get some insights.
[INFO] [stdout] 224 | |     let mut lock = unsafe { TERMINAL.lock_unchecked() };
[INFO] [stdout] ...   |
[INFO] [stdout] 232 | |     io::qemu_shutdown()
[INFO] [stdout] 233 | | }
[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/0b63defc8fd68957c635fe61f097b84df8fd9611/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2f7e17dbfe663611.rmeta
[INFO] [stdout]     = note: second definition in the local crate (`kfs`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kfs` (bin "kfs" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: could not compile `kfs` (bin "kfs") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fc950685b65f64901137db3f66e804797bcbb550a4aaf560bb56ed8b7c9a5555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc950685b65f64901137db3f66e804797bcbb550a4aaf560bb56ed8b7c9a5555", kill_on_drop: false }`
[INFO] [stdout] fc950685b65f64901137db3f66e804797bcbb550a4aaf560bb56ed8b7c9a5555
