[INFO] cloning repository https://github.com/baltasarblanco/vanguard-infrastructure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baltasarblanco/vanguard-infrastructure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaltasarblanco%2Fvanguard-infrastructure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaltasarblanco%2Fvanguard-infrastructure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e81600460523d6b504f8d924a0db577b2128628
[INFO] checking baltasarblanco/vanguard-infrastructure against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaltasarblanco%2Fvanguard-infrastructure" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/baltasarblanco/vanguard-infrastructure
[INFO] finished tweaking git repo https://github.com/baltasarblanco/vanguard-infrastructure
[INFO] tweaked toml for git repo https://github.com/baltasarblanco/vanguard-infrastructure written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/baltasarblanco/vanguard-infrastructure on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/baltasarblanco/vanguard-infrastructure 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `celer_mock` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-6-tc2/source/target/.../celer_mock
[INFO] [stderr]    |                                                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `celer-mock`, convert `package.name`
[INFO] [stderr]   --> celer/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "celer_mock"
[INFO] [stderr]  2 + name = "celer-mock"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `celer-mock`, specify `bin.name`
[INFO] [stderr]   --> celer/Cargo.toml:22:42
[INFO] [stderr]    |
[INFO] [stderr] 22 ~ opentelemetry-otlp = { workspace = true }
[INFO] [stderr] 23 + [[bin]]
[INFO] [stderr] 24 + name = "celer-mock"
[INFO] [stderr] 25 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `celer_mock` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `aegis_mock` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc2/source/target/.../aegis_mock
[INFO] [stderr]   |                                                  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `aegis-mock`, convert `package.name`
[INFO] [stderr]  --> aegis-mock/Cargo.toml:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 - name = "aegis_mock"
[INFO] [stderr] 2 + name = "aegis-mock"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `aegis-mock`, specify `bin.name`
[INFO] [stderr]  --> aegis-mock/Cargo.toml:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "aegis-mock"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `aegis_mock` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `chronos_lsm` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-6-tc2/source/target/.../chronos_lsm
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `chronos-lsm`, convert `package.name`
[INFO] [stderr]   --> chronos/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "chronos_lsm"
[INFO] [stderr]  2 + name = "chronos-lsm"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `chronos-lsm`, specify `bin.name`
[INFO] [stderr]   --> chronos/Cargo.toml:12:68
[INFO] [stderr]    |
[INFO] [stderr] 12 ~ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
[INFO] [stderr] 13 + [[bin]]
[INFO] [stderr] 14 + name = "chronos-lsm"
[INFO] [stderr] 15 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: binary `mvp_check` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-6-tc2/source/target/.../mvp_check
[INFO] [stderr]   |                                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `mvp-check`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/mvp_check.rs
[INFO] [stderr] 1 + src/bin/mvp-check.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `chronos_lsm` (manifest) generated 2 warnings
[INFO] [stderr] warning: binary `aegis_proxy` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-6-tc2/source/target/.../aegis_proxy
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `aegis-proxy`, convert `package.name`
[INFO] [stderr]   --> aegis/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "aegis_proxy"
[INFO] [stderr]  2 + name = "aegis-proxy"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `aegis-proxy`, specify `bin.name`
[INFO] [stderr]   --> aegis/Cargo.toml:23:42
[INFO] [stderr]    |
[INFO] [stderr] 23 ~ opentelemetry-otlp = { workspace = true }
[INFO] [stderr] 24 + [[bin]]
[INFO] [stderr] 25 + name = "aegis-proxy"
[INFO] [stderr] 26 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `aegis_proxy` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fb3d4d9de69392270b5f835adc672e3432c7f7488cbf192e31b9fce4b7512043
[INFO] running `Command { std: "docker" "start" "fb3d4d9de69392270b5f835adc672e3432c7f7488cbf192e31b9fce4b7512043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb3d4d9de69392270b5f835adc672e3432c7f7488cbf192e31b9fce4b7512043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fb3d4d9de69392270b5f835adc672e3432c7f7488cbf192e31b9fce4b7512043" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb3d4d9de69392270b5f835adc672e3432c7f7488cbf192e31b9fce4b7512043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fb3d4d9de69392270b5f835adc672e3432c7f7488cbf192e31b9fce4b7512043" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `aegis_mock` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../aegis_mock
[INFO] [stderr]   |                          ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `aegis-mock`, convert `package.name`
[INFO] [stderr]  --> aegis-mock/Cargo.toml:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 - name = "aegis_mock"
[INFO] [stderr] 2 + name = "aegis-mock"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `aegis-mock`, specify `bin.name`
[INFO] [stderr]  --> aegis-mock/Cargo.toml:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ [dependencies]
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "aegis-mock"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `aegis_mock` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `celer_mock` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../celer_mock
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `celer-mock`, convert `package.name`
[INFO] [stderr]   --> celer/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "celer_mock"
[INFO] [stderr]  2 + name = "celer-mock"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `celer-mock`, specify `bin.name`
[INFO] [stderr]   --> celer/Cargo.toml:22:42
[INFO] [stderr]    |
[INFO] [stderr] 22 ~ opentelemetry-otlp = { workspace = true }
[INFO] [stderr] 23 + [[bin]]
[INFO] [stderr] 24 + name = "celer-mock"
[INFO] [stderr] 25 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `celer_mock` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `aegis_proxy` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../aegis_proxy
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `aegis-proxy`, convert `package.name`
[INFO] [stderr]   --> aegis/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "aegis_proxy"
[INFO] [stderr]  2 + name = "aegis-proxy"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `aegis-proxy`, specify `bin.name`
[INFO] [stderr]   --> aegis/Cargo.toml:23:42
[INFO] [stderr]    |
[INFO] [stderr] 23 ~ opentelemetry-otlp = { workspace = true }
[INFO] [stderr] 24 + [[bin]]
[INFO] [stderr] 25 + name = "aegis-proxy"
[INFO] [stderr] 26 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `aegis_proxy` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `chronos_lsm` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../chronos_lsm
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `chronos-lsm`, convert `package.name`
[INFO] [stderr]   --> chronos/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "chronos_lsm"
[INFO] [stderr]  2 + name = "chronos-lsm"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `chronos-lsm`, specify `bin.name`
[INFO] [stderr]   --> chronos/Cargo.toml:12:68
[INFO] [stderr]    |
[INFO] [stderr] 12 ~ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
[INFO] [stderr] 13 + [[bin]]
[INFO] [stderr] 14 + name = "chronos-lsm"
[INFO] [stderr] 15 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: binary `mvp_check` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../mvp_check
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `mvp-check`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/mvp_check.rs
[INFO] [stderr] 1 + src/bin/mvp-check.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `chronos_lsm` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling pin-project-internal v1.1.12
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking shared-ipc v0.1.0 (/opt/rustwide/workdir/shared-ipc)
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]     Checking aegis_mock v0.1.0 (/opt/rustwide/workdir/aegis-mock)
[INFO] [stderr]     Checking headers v0.4.1
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking pin-project v1.1.12
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking opentelemetry v0.28.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking core_affinity v0.8.3
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking rand v0.9.4
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `NonZero<usize>`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.31.3/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[INFO] [stdout]     |                                                                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NonZero<usize>` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.31.3/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[INFO] [stdout]     |                                                                                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.31.3/src/unistd.rs:1240:13
[INFO] [stdout]      |
[INFO] [stdout] 1240 |             flags,
[INFO] [stdout]      |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.31.3/src/unistd.rs:1240:13
[INFO] [stdout]      |
[INFO] [stdout] 1240 |             flags,
[INFO] [stdout]      |             ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.27.1/src/unistd.rs:961:13
[INFO] [stdout]     |
[INFO] [stdout] 961 |             flags,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.27.1/src/unistd.rs:961:13
[INFO] [stdout]     |
[INFO] [stdout] 961 |             flags,
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fb3d4d9de69392270b5f835adc672e3432c7f7488cbf192e31b9fce4b7512043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3d4d9de69392270b5f835adc672e3432c7f7488cbf192e31b9fce4b7512043", kill_on_drop: false }`
[INFO] [stdout] fb3d4d9de69392270b5f835adc672e3432c7f7488cbf192e31b9fce4b7512043
