[INFO] cloning repository https://github.com/soruh/barebones-x86-linux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soruh/barebones-x86-linux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoruh%2Fbarebones-x86-linux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoruh%2Fbarebones-x86-linux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 659f705d5a84fec16851f165004771d0f5cebec5
[INFO] checking soruh/barebones-x86-linux against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoruh%2Fbarebones-x86-linux" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soruh/barebones-x86-linux on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/soruh/barebones-x86-linux
[INFO] finished tweaking git repo https://github.com/soruh/barebones-x86-linux
[INFO] tweaked toml for git repo https://github.com/soruh/barebones-x86-linux written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/soruh/barebones-x86-linux already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compiler_builtins v0.1.39
[INFO] [stderr]   Downloaded smallstr v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b22eced4d30fb5ef7473be45d39a1bbe59194dcc67abbe27d014e5108941f04
[INFO] running `Command { std: "docker" "start" "-a" "8b22eced4d30fb5ef7473be45d39a1bbe59194dcc67abbe27d014e5108941f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b22eced4d30fb5ef7473be45d39a1bbe59194dcc67abbe27d014e5108941f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b22eced4d30fb5ef7473be45d39a1bbe59194dcc67abbe27d014e5108941f04", kill_on_drop: false }`
[INFO] [stdout] 8b22eced4d30fb5ef7473be45d39a1bbe59194dcc67abbe27d014e5108941f04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTUP_TOOLCHAIN=4a04890980766cc79878135f5ade8c0c4321e943" "-e" "RUSTFLAGS=--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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59739e0ee033fbbaedf9c5cfd8c566bb034abf6d0a75a142ae771b77e7471df7
[INFO] running `Command { std: "docker" "start" "-a" "59739e0ee033fbbaedf9c5cfd8c566bb034abf6d0a75a142ae771b77e7471df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler_builtins v0.1.39
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]     Checking barebones-x86-linux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]  --> src/lang_items.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn __panic_handler(info: &core::panic::PanicInfo) -> ! {
[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/4a04890980766cc79878135f5ade8c0c4321e943/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-61556e43b375c2c0.rlib
[INFO] [stdout]   = note: second definition in the local crate (`barebones_x86_linux`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `oom`
[INFO] [stdout]   --> src/lang_items.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn __alloc_error_handler(layout: core::alloc::Layout) -> ! {
[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/4a04890980766cc79878135f5ade8c0c4321e943/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-61556e43b375c2c0.rlib
[INFO] [stdout]    = note: second definition in the local crate (`barebones_x86_linux`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `eh_personality`
[INFO] [stdout]   --> src/lang_items.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | unsafe fn eh_personality() {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `panic_unwind` (which `std` depends on)
[INFO] [stdout]    = note: first definition in `panic_unwind` loaded from /opt/rustwide/rustup-home/toolchains/4a04890980766cc79878135f5ade8c0c4321e943/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-787faa8b02fbd963.rlib
[INFO] [stdout]    = note: second definition in the local crate (`barebones_x86_linux`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `barebones-x86-linux`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "59739e0ee033fbbaedf9c5cfd8c566bb034abf6d0a75a142ae771b77e7471df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59739e0ee033fbbaedf9c5cfd8c566bb034abf6d0a75a142ae771b77e7471df7", kill_on_drop: false }`
[INFO] [stdout] 59739e0ee033fbbaedf9c5cfd8c566bb034abf6d0a75a142ae771b77e7471df7