[INFO] cloning repository https://github.com/juhracode/firecracker [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juhracode/firecracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhracode%2Ffirecracker", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhracode%2Ffirecracker'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 75e7c65cd2018b49ceb710159b2309acffe76959 [INFO] testing juhracode/firecracker against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhracode%2Ffirecracker" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config [INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/juhracode/firecracker [INFO] finished tweaking git repo https://github.com/juhracode/firecracker [INFO] tweaked toml for git repo https://github.com/juhracode/firecracker written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/juhracode/firecracker 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/juhracode/firecracker 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] [stderr] warning: patch for `kvm-bindings` uses the features mechanism. default-features and features will not take effect because the patch dependency does not support this mechanism [INFO] [stderr] Updating git repository `https://github.com/firecracker-microvm/kvm-bindings` [INFO] [stderr] Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/firecracker-microvm/micro-http` [INFO] [stderr] Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vm-allocator v0.1.0 [INFO] [stderr] Downloaded vmm-sys-util v0.12.1 [INFO] [stderr] Downloaded device_tree v1.1.0 [INFO] [stderr] Downloaded crc64 v2.0.0 [INFO] [stderr] Downloaded cargo_toml v0.18.0 [INFO] [stderr] Downloaded toml v0.8.8 [INFO] [stderr] Downloaded clap v4.4.17 [INFO] [stderr] Downloaded linux-loader v0.10.0 [INFO] [stderr] Downloaded event-manager v0.4.0 [INFO] [stderr] Downloaded vm-memory v0.14.0 [INFO] [stderr] Downloaded vm-memory v0.13.1 [INFO] [stderr] Downloaded clap_builder v4.4.17 [INFO] [stderr] Downloaded winnow v0.5.34 [INFO] [stderr] Downloaded aws-lc-rs v1.5.2 [INFO] [stderr] Downloaded vhost v0.10.0 [INFO] [stderr] Downloaded kvm-ioctls v0.16.0 [INFO] [stderr] Downloaded smallvec v1.12.0 [INFO] [stderr] Downloaded vm-fdt v0.2.0 [INFO] [stderr] Downloaded vm-superio v0.7.0 [INFO] [stderr] Downloaded userfaultfd v0.8.1 [INFO] [stderr] Downloaded timerfd v1.5.0 [INFO] [stderr] Downloaded userfaultfd v0.7.0 [INFO] [stderr] Downloaded userfaultfd-sys v0.5.0 [INFO] [stderr] Downloaded aws-lc-sys v0.12.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 01b3739a618bac392176de2584124f20c741ef8109fa4dd1a278e5f7dd2f59f4 [INFO] running `Command { std: "docker" "start" "-a" "01b3739a618bac392176de2584124f20c741ef8109fa4dd1a278e5f7dd2f59f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01b3739a618bac392176de2584124f20c741ef8109fa4dd1a278e5f7dd2f59f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01b3739a618bac392176de2584124f20c741ef8109fa4dd1a278e5f7dd2f59f4", kill_on_drop: false }` [INFO] [stdout] 01b3739a618bac392176de2584124f20c741ef8109fa4dd1a278e5f7dd2f59f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 05f186d10ad3f0c642a6d206b9cf27c2b73b3eb4242292aa634b1f4524115e22 [INFO] running `Command { std: "docker" "start" "-a" "05f186d10ad3f0c642a6d206b9cf27c2b73b3eb4242292aa634b1f4524115e22", kill_on_drop: false }` [INFO] [stderr] warning: patch for `kvm-bindings` uses the features mechanism. default-features and features will not take effect because the patch dependency does not support this mechanism [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling libloading v0.8.1 [INFO] [stderr] Compiling bitflags v2.4.1 [INFO] [stderr] Compiling bindgen v0.68.1 [INFO] [stderr] Compiling dunce v1.0.4 [INFO] [stderr] Compiling fs_extra v1.3.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling shlex v1.2.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling cpufeatures v0.2.12 [INFO] [stderr] Compiling subtle v2.5.0 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling rustix v0.38.28 [INFO] [stderr] Compiling itoa v1.0.10 [INFO] [stderr] Compiling semver v1.0.21 [INFO] [stderr] Compiling ryu v1.0.16 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling linux-raw-sys v0.4.12 [INFO] [stderr] Compiling micro_http v0.1.0 (https://github.com/firecracker-microvm/micro-http#e75dfa1e) [INFO] [stderr] Compiling kvm-ioctls v0.16.0 [INFO] [stderr] Compiling aws-lc-rs v1.5.2 [INFO] [stderr] Compiling linux-raw-sys v0.3.8 [INFO] [stderr] Compiling clang-sys v1.7.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling anstyle-parse v0.2.3 [INFO] [stderr] Compiling zeroize v1.7.0 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling untrusted v0.7.1 [INFO] [stderr] Compiling anstyle v1.0.4 [INFO] [stderr] Compiling mirai-annotations v1.12.0 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling anstyle-query v1.0.2 [INFO] [stderr] Compiling crc64 v2.0.0 [INFO] [stderr] Compiling vmm-sys-util v0.12.1 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling anstream v0.6.7 [INFO] [stderr] Compiling base64 v0.21.7 [INFO] [stderr] Compiling clap_lex v0.6.0 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling cmake v0.1.50 [INFO] [stderr] Compiling smallvec v1.12.0 [INFO] [stderr] Compiling vm-superio v0.7.0 [INFO] [stderr] Compiling clap_builder v4.4.17 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling inout v0.1.3 [INFO] [stderr] Compiling universal-hash v0.5.1 [INFO] [stderr] Compiling aead v0.5.2 [INFO] [stderr] Compiling itertools v0.12.0 [INFO] [stderr] Compiling cipher v0.4.4 [INFO] [stderr] Compiling polyval v0.6.1 [INFO] [stderr] Compiling walkdir v2.4.0 [INFO] [stderr] Compiling ghash v0.5.0 [INFO] [stderr] Compiling aes v0.8.3 [INFO] [stderr] Compiling ctr v0.9.2 [INFO] [stderr] Compiling aws-lc-sys v0.12.1 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Compiling aes-gcm v0.10.3 [INFO] [stderr] Compiling nix v0.27.1 [INFO] [stderr] Compiling memfd v0.6.4 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling timerfd v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling displaydoc v0.2.4 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Compiling vm-memory v0.13.1 [INFO] [stderr] Compiling vm-memory v0.14.0 [INFO] [stderr] Compiling vm-allocator v0.1.0 [INFO] [stderr] Compiling clap v4.4.17 [INFO] [stderr] Compiling clippy-tracing v0.1.0 (/opt/rustwide/workdir/src/clippy-tracing) [INFO] [stderr] Compiling linux-loader v0.10.0 [INFO] [stderr] Compiling userfaultfd-sys v0.5.0 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling utils v0.1.0 (/opt/rustwide/workdir/src/utils) [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/utils/src/arg_parser.rs:15:50 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Debug, PartialEq, Eq, thiserror::Error, displaydoc::Display)] [INFO] [stdout] | ^------------------ [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_Display_FOR_Error` [INFO] [stdout] 16 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `displaydoc::Display` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `displaydoc::Display` may come from an old version of the `displaydoc` crate, try updating your dependency with `cargo update -p displaydoc` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `displaydoc::Display` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/utils/src/arg_parser.rs:79:22 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn arguments(&self) -> &Arguments { [INFO] [stdout] | ^^^^^ ---------- [INFO] [stdout] | | || [INFO] [stdout] | | |the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 79 | pub fn arguments(&self) -> &Arguments<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/utils/src/kernel_version.rs:9:35 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Debug, thiserror::Error, displaydoc::Display)] [INFO] [stdout] | ^------------------ [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_Display_FOR_Error` [INFO] [stdout] 10 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `displaydoc::Display` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `displaydoc::Display` may come from an old version of the `displaydoc` crate, try updating your dependency with `cargo update -p displaydoc` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `displaydoc::Display` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/utils/src/validators.rs:9:50 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Debug, PartialEq, Eq, thiserror::Error, displaydoc::Display)] [INFO] [stdout] | ^------------------ [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_Display_FOR_Error` [INFO] [stdout] 10 | pub enum Error { [INFO] [stdout] | ----- `Error` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `displaydoc::Display` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `displaydoc::Display` may come from an old version of the `displaydoc` crate, try updating your dependency with `cargo update -p displaydoc` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `displaydoc::Display` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde-big-array v0.5.1 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] warning: userfaultfd-sys@0.5.0: src/consts.c:1:10: fatal error: linux/types.h: No such file or directory [INFO] [stderr] warning: userfaultfd-sys@0.5.0: 1 | #include [INFO] [stderr] warning: userfaultfd-sys@0.5.0: | ^~~~~~~~~~~~~~~ [INFO] [stderr] warning: userfaultfd-sys@0.5.0: compilation terminated. [INFO] [stderr] error: failed to run custom build command for `userfaultfd-sys v0.5.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/userfaultfd-sys-63c2ab862b8cfc15/build-script-build` (exit status: 1) [INFO] [stderr] --- stdout [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-musl") [INFO] [stderr] OPT_LEVEL = Some("0") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-musl [INFO] [stderr] CC_x86_64-unknown-linux-musl = None [INFO] [stderr] cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_musl [INFO] [stderr] CC_x86_64_unknown_linux_musl = None [INFO] [stderr] cargo:rerun-if-env-changed=TARGET_CC [INFO] [stderr] TARGET_CC = None [INFO] [stderr] cargo:rerun-if-env-changed=CC [INFO] [stderr] CC = None [INFO] [stderr] RUSTC_LINKER = None [INFO] [stderr] cargo:rerun-if-env-changed=CROSS_COMPILE [INFO] [stderr] CROSS_COMPILE = None [INFO] [stderr] cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS [INFO] [stderr] CRATE_CC_NO_DEFAULTS = None [INFO] [stderr] DEBUG = Some("true") [INFO] [stderr] CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2,x87") [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-musl [INFO] [stderr] CFLAGS_x86_64-unknown-linux-musl = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_musl [INFO] [stderr] CFLAGS_x86_64_unknown_linux_musl = None [INFO] [stderr] cargo:rerun-if-env-changed=TARGET_CFLAGS [INFO] [stderr] TARGET_CFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS [INFO] [stderr] CFLAGS = None [INFO] [stderr] running: "musl-gcc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/userfaultfd-sys-5e9e70eeb3d9aee6/out/src/consts.o" "-c" "src/consts.c" [INFO] [stderr] cargo:warning=src/consts.c:1:10: fatal error: linux/types.h: No such file or directory [INFO] [stderr] [INFO] [stderr] cargo:warning= 1 | #include [INFO] [stderr] [INFO] [stderr] cargo:warning= | ^~~~~~~~~~~~~~~ [INFO] [stderr] [INFO] [stderr] cargo:warning=compilation terminated. [INFO] [stderr] [INFO] [stderr] exit status: 1 [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the custom toolchain '8de4c7234dd9b97c9d76b58671343fdbbc9a433e'. [INFO] [stderr] note: this is a custom toolchain, which cannot use `rustup component add` [INFO] [stderr] help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py` [INFO] [stderr] Failed to run rustfmt: Internal rustfmt error (non-fatal, continuing) [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error occurred: Command "musl-gcc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/userfaultfd-sys-5e9e70eeb3d9aee6/out/src/consts.o" "-c" "src/consts.c" with args "musl-gcc" did not execute successfully (status code exit status: 1). [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "05f186d10ad3f0c642a6d206b9cf27c2b73b3eb4242292aa634b1f4524115e22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05f186d10ad3f0c642a6d206b9cf27c2b73b3eb4242292aa634b1f4524115e22", kill_on_drop: false }` [INFO] [stdout] 05f186d10ad3f0c642a6d206b9cf27c2b73b3eb4242292aa634b1f4524115e22