[INFO] cloning repository https://github.com/yuya-isaka/kernel-context-switch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuya-isaka/kernel-context-switch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuya-isaka%2Fkernel-context-switch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuya-isaka%2Fkernel-context-switch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9796a5b24473d417b7c82c65b033d0d14f1fe991
[INFO] testing yuya-isaka/kernel-context-switch against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuya-isaka%2Fkernel-context-switch" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/yuya-isaka/kernel-context-switch
[INFO] finished tweaking git repo https://github.com/yuya-isaka/kernel-context-switch
[INFO] tweaked toml for git repo https://github.com/yuya-isaka/kernel-context-switch written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yuya-isaka/kernel-context-switch on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yuya-isaka/kernel-context-switch 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8dbfe504704d6cad5eba77de39642dabcb2a51301556ab36326756926e9f715
[INFO] running `Command { std: "docker" "start" "-a" "f8dbfe504704d6cad5eba77de39642dabcb2a51301556ab36326756926e9f715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8dbfe504704d6cad5eba77de39642dabcb2a51301556ab36326756926e9f715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8dbfe504704d6cad5eba77de39642dabcb2a51301556ab36326756926e9f715", kill_on_drop: false }`
[INFO] [stdout] f8dbfe504704d6cad5eba77de39642dabcb2a51301556ab36326756926e9f715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b95806f7e445a868452d02a77caece8d2d2ecf458a16c790ca6577a6ff9970be
[INFO] running `Command { std: "docker" "start" "-a" "b95806f7e445a868452d02a77caece8d2d2ecf458a16c790ca6577a6ff9970be", kill_on_drop: false }`
[INFO] [stderr]    Compiling kernel-context-switch v0.1.0 (/opt/rustwide/workdir)
[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]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         in("a0") a0, in("a1") a1, in("a6") fid, in("a7") eid
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a1`: unknown register
[INFO] [stdout]   --> src/main.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |         in("a0") a0, in("a1") a1, in("a6") fid, in("a7") eid
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a6`: unknown register
[INFO] [stdout]   --> src/main.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |         in("a0") a0, in("a1") a1, in("a6") fid, in("a7") eid
[INFO] [stdout]    |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a7`: unknown register
[INFO] [stdout]   --> src/main.rs:30:49
[INFO] [stdout]    |
[INFO] [stdout] 30 |         in("a0") a0, in("a1") a1, in("a6") fid, in("a7") eid
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel-context-switch` (bin "kernel-context-switch") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "b95806f7e445a868452d02a77caece8d2d2ecf458a16c790ca6577a6ff9970be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95806f7e445a868452d02a77caece8d2d2ecf458a16c790ca6577a6ff9970be", kill_on_drop: false }`
[INFO] [stdout] b95806f7e445a868452d02a77caece8d2d2ecf458a16c790ca6577a6ff9970be