[INFO] cloning repository https://github.com/airox-os/core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/airox-os/core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fairox-os%2Fcore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fairox-os%2Fcore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f85fa5a1882174602752756f48b704e03dde0f8
[INFO] checking airox-os/core against master#9748d87dc70a9a6725c5dbd76ce29d04752b4f90 for pr-144156
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fairox-os%2Fcore" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/airox-os/core
[INFO] finished tweaking git repo https://github.com/airox-os/core
[INFO] tweaked toml for git repo https://github.com/airox-os/core written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/airox-os/core on toolchain 9748d87dc70a9a6725c5dbd76ce29d04752b4f90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/airox-os/core 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" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 201cdca46dc382310d38d543fbce1d8e00eb29d9b2f5d0cfdc4ec22cc9f64454
[INFO] running `Command { std: "docker" "start" "-a" "201cdca46dc382310d38d543fbce1d8e00eb29d9b2f5d0cfdc4ec22cc9f64454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "201cdca46dc382310d38d543fbce1d8e00eb29d9b2f5d0cfdc4ec22cc9f64454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201cdca46dc382310d38d543fbce1d8e00eb29d9b2f5d0cfdc4ec22cc9f64454", kill_on_drop: false }`
[INFO] [stdout] 201cdca46dc382310d38d543fbce1d8e00eb29d9b2f5d0cfdc4ec22cc9f64454
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a106fc35ea0c92a8c4973ee7c3b95188df3312c97591b81909dc6250ac44de6
[INFO] running `Command { std: "docker" "start" "-a" "8a106fc35ea0c92a8c4973ee7c3b95188df3312c97591b81909dc6250ac44de6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling bootloader v0.9.31
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking shell v0.1.0 (/opt/rustwide/workdir/userland/shell)
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]  --> userland/shell/src/main.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]   |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[unsafe(no_mangle)]
[INFO] [stdout]   |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shell` (bin "shell") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]  --> userland/shell/src/main.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]   |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[unsafe(no_mangle)]
[INFO] [stdout]   |   +++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> userland/shell/src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 12 | |     loop {}
[INFO] [stdout] 13 | | }
[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/9748d87dc70a9a6725c5dbd76ce29d04752b4f90/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-54e42b35ab65fe3c.rlib
[INFO] [stdout]    = note: second definition in the local crate (`shell`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shell` (bin "shell" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8a106fc35ea0c92a8c4973ee7c3b95188df3312c97591b81909dc6250ac44de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a106fc35ea0c92a8c4973ee7c3b95188df3312c97591b81909dc6250ac44de6", kill_on_drop: false }`
[INFO] [stdout] 8a106fc35ea0c92a8c4973ee7c3b95188df3312c97591b81909dc6250ac44de6