[INFO] cloning repository https://github.com/0930mcx/OS-homework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0930mcx/OS-homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0930mcx%2FOS-homework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0930mcx%2FOS-homework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 517645f53d6f10daa8d3af6a11fa36bbe1953613
[INFO] checking 0930mcx/OS-homework against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0930mcx%2FOS-homework" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/0930mcx/OS-homework
[INFO] finished tweaking git repo https://github.com/0930mcx/OS-homework
[INFO] tweaked toml for git repo https://github.com/0930mcx/OS-homework written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0930mcx/OS-homework on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0930mcx/OS-homework 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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1d009e79292a418eab4b254e45b42fa1701630fa4f6bc03828b8c9caa85a568
[INFO] running `Command { std: "docker" "start" "-a" "f1d009e79292a418eab4b254e45b42fa1701630fa4f6bc03828b8c9caa85a568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1d009e79292a418eab4b254e45b42fa1701630fa4f6bc03828b8c9caa85a568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d009e79292a418eab4b254e45b42fa1701630fa4f6bc03828b8c9caa85a568", kill_on_drop: false }`
[INFO] [stdout] f1d009e79292a418eab4b254e45b42fa1701630fa4f6bc03828b8c9caa85a568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fea953dbcf6c4843e70602cf9388963e1e92e57872c4f99c00d3f1706c104cc8
[INFO] running `Command { std: "docker" "start" "-a" "fea953dbcf6c4843e70602cf9388963e1e92e57872c4f99c00d3f1706c104cc8", kill_on_drop: false }`
[INFO] [stderr]     Checking user_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid register `x10`: unknown register
[INFO] [stdout]   --> src/syscall.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |              in("x10") args[0],
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `x11`: unknown register
[INFO] [stdout]   --> src/syscall.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |              in("x11") args[1],
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `x12`: unknown register
[INFO] [stdout]   --> src/syscall.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |              in("x12") args[2],
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `x17`: unknown register
[INFO] [stdout]   --> src/syscall.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |              in("x17") id,
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `x10`: unknown register
[INFO] [stdout]   --> src/syscall.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |              lateout("x10") ret
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lang_items.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | / fn panic_handler(panic_info: &PanicInfo) -> ! {
[INFO] [stdout]  5 | |     if let Some(location) = panic_info.location() {
[INFO] [stdout]  6 | |         println!(
[INFO] [stdout]  7 | |             "Panicked at {}:{}, {}", 
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     loop {}
[INFO] [stdout] 15 | | }
[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/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d73d50f7d7b085f5.rlib
[INFO] [stdout]    = note: second definition in the local crate (`user_lib`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `panic_info_message` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(panic_info_message)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `user_lib` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `PanicMessage<'a>` in the current scope
[INFO] [stdout]   --> src/lang_items.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 |             panic_info.message().unwrap());
[INFO] [stdout]    |                                  ^^^^^^ method not found in `PanicMessage<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `PanicMessage<'a>` in the current scope
[INFO] [stdout]   --> src/lang_items.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |         println!("Panicked: {}", panic_info.message().unwrap());
[INFO] [stdout]    |                                                       ^^^^^^ method not found in `PanicMessage<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `user_lib` (lib) due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fea953dbcf6c4843e70602cf9388963e1e92e57872c4f99c00d3f1706c104cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea953dbcf6c4843e70602cf9388963e1e92e57872c4f99c00d3f1706c104cc8", kill_on_drop: false }`
[INFO] [stdout] fea953dbcf6c4843e70602cf9388963e1e92e57872c4f99c00d3f1706c104cc8
