[INFO] updating cached repository https://github.com/mt-inside/mtos
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9532928af05cfc8be5f21d43027ce8324fc2c6a5
[INFO] checking mt-inside/mtos against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmt-inside%2Fmtos" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mt-inside/mtos on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mt-inside/mtos
[INFO] finished tweaking git repo https://github.com/mt-inside/mtos
[INFO] tweaked toml for git repo https://github.com/mt-inside/mtos written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mt-inside/mtos already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ff26aca2ce4a651cdb4e230205df2b383d8ee54a07beb4815892e7cf65e2d8e
[INFO] running `"docker" "start" "-a" "7ff26aca2ce4a651cdb4e230205df2b383d8ee54a07beb4815892e7cf65e2d8e"`
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking ux v0.1.3
[INFO] [stderr]     Checking usize_conversions v0.2.0
[INFO] [stderr]     Checking os_bootinfo v0.2.1
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking cpuio v0.2.0
[INFO] [stderr]     Checking font8x8 v0.2.5
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking fixedvec v0.2.4
[INFO] [stderr]     Checking pc-keyboard v0.3.1
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]     Checking linked_list_allocator v0.6.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking pic8259_simple v0.1.1
[INFO] [stderr]     Checking xmas-elf v0.6.2
[INFO] [stderr]    Compiling bootloader v0.5.3
[INFO] [stderr]     Checking x86_64 v0.2.14
[INFO] [stderr]     Checking x86_64 v0.3.6
[INFO] [stderr]     Checking x86_64 v0.5.5
[INFO] [stderr]     Checking uart_16550 v0.1.0
[INFO] [stderr]     Checking mtos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0152]: duplicate lang item found: `oom`.
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / fn alloc_error_handler(layout: alloc::alloc::Layout) -> ! {
[INFO] [stderr] 22 | |     panic!("Allocation error for: {:?}", layout)
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `std` (which `mtos` depends on).
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `mtos`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: function `BootInfoFrameAllocator_new` should have a snake case name
[INFO] [stderr]    --> src/memory.rs:203:8
[INFO] [stderr]     |
[INFO] [stderr] 203 | pub fn BootInfoFrameAllocator_new(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `boot_info_frame_allocator_new`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7ff26aca2ce4a651cdb4e230205df2b383d8ee54a07beb4815892e7cf65e2d8e"`
[INFO] running `"docker" "rm" "-f" "7ff26aca2ce4a651cdb4e230205df2b383d8ee54a07beb4815892e7cf65e2d8e"`
[INFO] [stdout] 7ff26aca2ce4a651cdb4e230205df2b383d8ee54a07beb4815892e7cf65e2d8e