[INFO] cloning repository https://github.com/CynicNyctophile/kronOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CynicNyctophile/kronOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCynicNyctophile%2FkronOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCynicNyctophile%2FkronOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd04020ab518b510298530e709276a388f48054f
[INFO] checking CynicNyctophile/kronOS against master#9b81629631b382fd49ee3a20ac47797b1467e52d for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCynicNyctophile%2FkronOS" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CynicNyctophile/kronOS
[INFO] finished tweaking git repo https://github.com/CynicNyctophile/kronOS
[INFO] tweaked toml for git repo https://github.com/CynicNyctophile/kronOS written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CynicNyctophile/kronOS on toolchain 9b81629631b382fd49ee3a20ac47797b1467e52d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b81629631b382fd49ee3a20ac47797b1467e52d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CynicNyctophile/kronOS 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" "+9b81629631b382fd49ee3a20ac47797b1467e52d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+9b81629631b382fd49ee3a20ac47797b1467e52d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c49698f2fca076f2d67aed33cc742f0a8b78bca508a906c4149e4a6cfd3d25e
[INFO] running `Command { std: "docker" "start" "-a" "1c49698f2fca076f2d67aed33cc742f0a8b78bca508a906c4149e4a6cfd3d25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c49698f2fca076f2d67aed33cc742f0a8b78bca508a906c4149e4a6cfd3d25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c49698f2fca076f2d67aed33cc742f0a8b78bca508a906c4149e4a6cfd3d25e", kill_on_drop: false }`
[INFO] [stdout] 1c49698f2fca076f2d67aed33cc742f0a8b78bca508a906c4149e4a6cfd3d25e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+9b81629631b382fd49ee3a20ac47797b1467e52d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52e81493e48033a8c0855b300b7d9cd762ceb8771e894df5974128d677d68587
[INFO] running `Command { std: "docker" "start" "-a" "52e81493e48033a8c0855b300b7d9cd762ceb8771e894df5974128d677d68587", kill_on_drop: false }`
[INFO] [stderr]     Checking kron_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 6 | |     loop {}
[INFO] [stdout] 7 | | }
[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/9b81629631b382fd49ee3a20ac47797b1467e52d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c154a69977bb44fb.rmeta
[INFO] [stdout]   = note: second definition in the local crate (`kron_os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kron_os` (bin "kron_os" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "52e81493e48033a8c0855b300b7d9cd762ceb8771e894df5974128d677d68587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e81493e48033a8c0855b300b7d9cd762ceb8771e894df5974128d677d68587", kill_on_drop: false }`
[INFO] [stdout] 52e81493e48033a8c0855b300b7d9cd762ceb8771e894df5974128d677d68587
