[INFO] cloning repository https://github.com/muhammad-fiaz/NextKernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muhammad-fiaz/NextKernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhammad-fiaz%2FNextKernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhammad-fiaz%2FNextKernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 628baaa59f4acd50f507b597b3318c7b133fb38c
[INFO] testing muhammad-fiaz/NextKernel against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhammad-fiaz%2FNextKernel" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/muhammad-fiaz/NextKernel
[INFO] finished tweaking git repo https://github.com/muhammad-fiaz/NextKernel
[INFO] tweaked toml for git repo https://github.com/muhammad-fiaz/NextKernel written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/muhammad-fiaz/NextKernel on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/muhammad-fiaz/NextKernel 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c16bfeb270ed5ce01233e36aa576e5b8413e0744870be85c01ab5d46de5e396
[INFO] running `Command { std: "docker" "start" "-a" "7c16bfeb270ed5ce01233e36aa576e5b8413e0744870be85c01ab5d46de5e396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c16bfeb270ed5ce01233e36aa576e5b8413e0744870be85c01ab5d46de5e396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c16bfeb270ed5ce01233e36aa576e5b8413e0744870be85c01ab5d46de5e396", kill_on_drop: false }`
[INFO] [stdout] 7c16bfeb270ed5ce01233e36aa576e5b8413e0744870be85c01ab5d46de5e396
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd260f8277a5cfb0086c34210d4dd920b7726094c3d75287574fa6da1c9e7c1d
[INFO] running `Command { std: "docker" "start" "-a" "cd260f8277a5cfb0086c34210d4dd920b7726094c3d75287574fa6da1c9e7c1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nextkernel v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "cd260f8277a5cfb0086c34210d4dd920b7726094c3d75287574fa6da1c9e7c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd260f8277a5cfb0086c34210d4dd920b7726094c3d75287574fa6da1c9e7c1d", kill_on_drop: false }`
[INFO] [stdout] cd260f8277a5cfb0086c34210d4dd920b7726094c3d75287574fa6da1c9e7c1d
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb0424ba298fe4bb8802c43a2e2cebad9dc1e7b530b55d766e44203b2305c0d9
[INFO] running `Command { std: "docker" "start" "-a" "eb0424ba298fe4bb8802c43a2e2cebad9dc1e7b530b55d766e44203b2305c0d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling nextkernel v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/boot.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / fn panic(_info: &PanicInfo) -> ! {
[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/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-689ca45c0c8af91f.so, /opt/rustwide/rustup-home/toolchains/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-689ca45c0c8af91f.rlib
[INFO] [stdout]    = note: second definition in the local crate (`nextkernel`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nextkernel` (lib test) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb0424ba298fe4bb8802c43a2e2cebad9dc1e7b530b55d766e44203b2305c0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0424ba298fe4bb8802c43a2e2cebad9dc1e7b530b55d766e44203b2305c0d9", kill_on_drop: false }`
[INFO] [stdout] eb0424ba298fe4bb8802c43a2e2cebad9dc1e7b530b55d766e44203b2305c0d9