[INFO] cloning repository https://github.com/tomp4l/riscv-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomp4l/riscv-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomp4l%2Friscv-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomp4l%2Friscv-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69a0a48c8bb1aa9cdd604f73ad3b20a04dcd3102
[INFO] checking tomp4l/riscv-os against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomp4l%2Friscv-os" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/tomp4l/riscv-os
[INFO] finished tweaking git repo https://github.com/tomp4l/riscv-os
[INFO] tweaked toml for git repo https://github.com/tomp4l/riscv-os written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tomp4l/riscv-os on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tomp4l/riscv-os 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0418a57491c71852a8cc58d9f777d40e1d526f4ee69e7f974ebfda70f1d224cd
[INFO] running `Command { std: "docker" "start" "-a" "0418a57491c71852a8cc58d9f777d40e1d526f4ee69e7f974ebfda70f1d224cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0418a57491c71852a8cc58d9f777d40e1d526f4ee69e7f974ebfda70f1d224cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0418a57491c71852a8cc58d9f777d40e1d526f4ee69e7f974ebfda70f1d224cd", kill_on_drop: false }`
[INFO] [stdout] 0418a57491c71852a8cc58d9f777d40e1d526f4ee69e7f974ebfda70f1d224cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a17e3b463f6e29c5c1453678f6c92b5653c3ca3f1440e93ce50c9152eb3f079c
[INFO] running `Command { std: "docker" "start" "-a" "a17e3b463f6e29c5c1453678f6c92b5653c3ca3f1440e93ce50c9152eb3f079c", kill_on_drop: false }`
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling user v0.1.0 (/opt/rustwide/workdir/user)
[INFO] [stderr]    Compiling risc-os v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/rustwide/workdir/shell)
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]   --> user/src/lib.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             inout("a0") arg0,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a1`: unknown register
[INFO] [stdout]   --> user/src/lib.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             in("a1") arg1,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a2`: unknown register
[INFO] [stdout]   --> user/src/lib.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             in("a2") arg2,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a3`: unknown register
[INFO] [stdout]   --> user/src/lib.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             in("a3") sysno,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `kernel/src/../../target/shell.bin`: No such file or directory (os error 2)
[INFO] [stdout]    --> kernel/src/main.rs:562:19
[INFO] [stdout]     |
[INFO] [stdout] 562 |         let bin = include_bytes!("../../target/shell.bin");
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `user` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> kernel/src/main.rs:105:3
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[naked]
[INFO] [stdout]     |   ^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[unsafe(naked)]
[INFO] [stdout]     |   +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> kernel/src/main.rs:148:3
[INFO] [stdout]     |
[INFO] [stdout] 148 | #[naked]
[INFO] [stdout]     |   ^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 148 | #[unsafe(naked)]
[INFO] [stdout]     |   +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> kernel/src/main.rs:295:3
[INFO] [stdout]     |
[INFO] [stdout] 295 | #[naked]
[INFO] [stdout]     |   ^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 295 | #[unsafe(naked)]
[INFO] [stdout]     |   +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]    --> kernel/src/main.rs:572:3
[INFO] [stdout]     |
[INFO] [stdout] 572 | #[naked]
[INFO] [stdout]     |   ^^^^^ usage of unsafe attribute
[INFO] [stdout]     |
[INFO] [stdout] help: wrap the attribute in `unsafe(...)`
[INFO] [stdout]     |
[INFO] [stdout] 572 | #[unsafe(naked)]
[INFO] [stdout]     |   +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `c_str_raw`
[INFO] [stdout]   --> kernel/src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     c_str_raw, memcpy, memset, println, String, SYS_EXIT, SYS_GETCHAR, SYS_PUTCHAR, SYS_READFILE,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]   --> kernel/src/main.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             inout("a0") arg0 => err,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a1`: unknown register
[INFO] [stdout]   --> kernel/src/main.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             inout("a1") arg1 => val,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a2`: unknown register
[INFO] [stdout]   --> kernel/src/main.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             in("a2") arg2,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a3`: unknown register
[INFO] [stdout]   --> kernel/src/main.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             in("a3") arg3,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a4`: unknown register
[INFO] [stdout]   --> kernel/src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             in("a4") arg4,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a5`: unknown register
[INFO] [stdout]   --> kernel/src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             in("a5") arg5,
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a6`: unknown register
[INFO] [stdout]   --> kernel/src/main.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             in("a6") fid,
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a7`: unknown register
[INFO] [stdout]   --> kernel/src/main.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             in("a7") ext,
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `naked_functions` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> kernel/src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(naked_functions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> kernel/src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> kernel/src/main.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> kernel/src/main.rs:297:5
[INFO] [stdout]     |
[INFO] [stdout] 297 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `risc-os` (bin "risc-os") due to 14 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a17e3b463f6e29c5c1453678f6c92b5653c3ca3f1440e93ce50c9152eb3f079c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a17e3b463f6e29c5c1453678f6c92b5653c3ca3f1440e93ce50c9152eb3f079c", kill_on_drop: false }`
[INFO] [stdout] a17e3b463f6e29c5c1453678f6c92b5653c3ca3f1440e93ce50c9152eb3f079c