[INFO] cloning repository https://github.com/imondrag/toy_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imondrag/toy_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimondrag%2Ftoy_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimondrag%2Ftoy_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb6a6e9acf9b21a2abd4d08ddd64b90106eebd5e
[INFO] checking imondrag/toy_os against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimondrag%2Ftoy_os" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imondrag/toy_os on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/imondrag/toy_os
[INFO] finished tweaking git repo https://github.com/imondrag/toy_os
[INFO] tweaked toml for git repo https://github.com/imondrag/toy_os written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/imondrag/toy_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.2.7
[INFO] [stderr]   Downloaded volatile v0.3.0
[INFO] [stderr]   Downloaded linked_list_allocator v0.8.5
[INFO] [stderr]   Downloaded pic8259_simple v0.2.0
[INFO] [stderr]   Downloaded pc-keyboard v0.5.1
[INFO] [stderr]   Downloaded x86_64 v0.11.2
[INFO] [stderr]   Downloaded bootloader v0.9.8
[INFO] [stderr]   Downloaded cpuio v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] f6067c8e8d0fe4723dc6e3ea876a25156fa84fe002e0539abc1ac2cc90733641
[INFO] running `Command { std: "docker" "start" "-a" "f6067c8e8d0fe4723dc6e3ea876a25156fa84fe002e0539abc1ac2cc90733641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6067c8e8d0fe4723dc6e3ea876a25156fa84fe002e0539abc1ac2cc90733641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6067c8e8d0fe4723dc6e3ea876a25156fa84fe002e0539abc1ac2cc90733641", kill_on_drop: false }`
[INFO] [stdout] f6067c8e8d0fe4723dc6e3ea876a25156fa84fe002e0539abc1ac2cc90733641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d00f029dd20105755a832b68fe9cc28b27e06a0bfe3d37e3d6111ba6ccfb33bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d00f029dd20105755a832b68fe9cc28b27e06a0bfe3d37e3d6111ba6ccfb33bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling x86_64 v0.11.2
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling bootloader v0.9.8
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking cpuio v0.3.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking font8x8 v0.2.5
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking volatile v0.3.0
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking pic8259_simple v0.2.0
[INFO] [stderr]     Checking conquer-once v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking spinning_top v0.1.1
[INFO] [stderr]     Checking linked_list_allocator v0.8.5
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking uart_16550 v0.2.7
[INFO] [stderr]     Checking vga v0.2.4
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking toy_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `oom`
[INFO] [stdout]   --> src/kernel/allocator/mod.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn alloc_error_handler(layout: alloc::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/72f88fc4e9458f89516a0b8b0868f3718aec5b47/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-faa3fd6c69b73b7d.rlib
[INFO] [stdout]    = note: second definition in the local crate (`toy_os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/kernel/panic.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn panic(info: &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/72f88fc4e9458f89516a0b8b0868f3718aec5b47/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-faa3fd6c69b73b7d.rlib
[INFO] [stdout]    = note: second definition in the local crate (`toy_os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Runnable`
[INFO] [stdout]  --> src/kernel/context/context.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Runnable,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Blocked`
[INFO] [stdout]  --> src/kernel/context/context.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Blocked,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Exited`
[INFO] [stdout]  --> src/kernel/context/context.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Exited(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `toy_os`.
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d00f029dd20105755a832b68fe9cc28b27e06a0bfe3d37e3d6111ba6ccfb33bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00f029dd20105755a832b68fe9cc28b27e06a0bfe3d37e3d6111ba6ccfb33bf", kill_on_drop: false }`
[INFO] [stdout] d00f029dd20105755a832b68fe9cc28b27e06a0bfe3d37e3d6111ba6ccfb33bf
