[INFO] cloning repository https://github.com/pol905/os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pol905/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpol905%2Fos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpol905%2Fos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbfe6439d430ef7f9de2d3956e58b063ff2f0f7a
[INFO] checking pol905/os 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%2Fpol905%2Fos" "/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/pol905/os
[INFO] finished tweaking git repo https://github.com/pol905/os
[INFO] tweaked toml for git repo https://github.com/pol905/os written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pol905/os 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/pol905/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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: binary `output_redirection` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-6-tc2/source/target/.../output_redirection
[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 `output-redirection`, convert `package.name`
[INFO] [stderr]   --> output_redirection/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "output_redirection"
[INFO] [stderr]  2 + name = "output-redirection"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `output-redirection`, specify `bin.name`
[INFO] [stderr]   --> output_redirection/Cargo.toml:9:15
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ nix = "0.26.2"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "output-redirection"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `output_redirection` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `fork_files` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-6-tc2/source/target/.../fork_files
[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 `fork-files`, convert `package.name`
[INFO] [stderr]   --> fork_files/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "fork_files"
[INFO] [stderr]  2 + name = "fork-files"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `fork-files`, specify `bin.name`
[INFO] [stderr]   --> fork_files/Cargo.toml:9:15
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ nix = "0.26.2"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "fork-files"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `fork_files` (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] 88f614b6cd9a25704870b37d3184cb6784af656cd2fa898dbe1d44dbb04ef428
[INFO] running `Command { std: "docker" "start" "88f614b6cd9a25704870b37d3184cb6784af656cd2fa898dbe1d44dbb04ef428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f614b6cd9a25704870b37d3184cb6784af656cd2fa898dbe1d44dbb04ef428", 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" "88f614b6cd9a25704870b37d3184cb6784af656cd2fa898dbe1d44dbb04ef428" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f614b6cd9a25704870b37d3184cb6784af656cd2fa898dbe1d44dbb04ef428", 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" "88f614b6cd9a25704870b37d3184cb6784af656cd2fa898dbe1d44dbb04ef428" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: binary `output_redirection` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../output_redirection
[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 `output-redirection`, convert `package.name`
[INFO] [stderr]   --> output_redirection/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "output_redirection"
[INFO] [stderr]  2 + name = "output-redirection"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `output-redirection`, specify `bin.name`
[INFO] [stderr]   --> output_redirection/Cargo.toml:9:15
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ nix = "0.26.2"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "output-redirection"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `output_redirection` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `fork_files` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../fork_files
[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 `fork-files`, convert `package.name`
[INFO] [stderr]   --> fork_files/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "fork_files"
[INFO] [stderr]  2 + name = "fork-files"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `fork-files`, specify `bin.name`
[INFO] [stderr]   --> fork_files/Cargo.toml:9:15
[INFO] [stderr]    |
[INFO] [stderr]  9 ~ nix = "0.26.2"
[INFO] [stderr] 10 + [[bin]]
[INFO] [stderr] 11 + name = "fork-files"
[INFO] [stderr] 12 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `fork_files` (manifest) generated 1 warning
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.26.2/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       args_p.as_ptr(), env_p.as_ptr(), 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-0.26.2/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       args_p.as_ptr(), env_p.as_ptr(), 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" "88f614b6cd9a25704870b37d3184cb6784af656cd2fa898dbe1d44dbb04ef428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f614b6cd9a25704870b37d3184cb6784af656cd2fa898dbe1d44dbb04ef428", kill_on_drop: false }`
[INFO] [stdout] 88f614b6cd9a25704870b37d3184cb6784af656cd2fa898dbe1d44dbb04ef428
