[INFO] fetching crate pseudoterminal 0.2.1...
[INFO] checking pseudoterminal-0.2.1 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate pseudoterminal 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pseudoterminal 0.2.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pseudoterminal 0.2.1
[INFO] tweaked toml for crates.io crate pseudoterminal 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pseudoterminal 0.2.1 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 crates.io crate pseudoterminal 0.2.1 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: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `pseudoterminal` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ebe1e41db6f7b5567324ed4781c592708ee869df61d120034ab3c45087b711ff
[INFO] running `Command { std: "docker" "start" "ebe1e41db6f7b5567324ed4781c592708ee869df61d120034ab3c45087b711ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebe1e41db6f7b5567324ed4781c592708ee869df61d120034ab3c45087b711ff", 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" "ebe1e41db6f7b5567324ed4781c592708ee869df61d120034ab3c45087b711ff" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebe1e41db6f7b5567324ed4781c592708ee869df61d120034ab3c45087b711ff", 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" "ebe1e41db6f7b5567324ed4781c592708ee869df61d120034ab3c45087b711ff" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `pseudoterminal` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.1.1
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling openssl-sys v0.9.107
[INFO] [stderr]    Compiling pseudoterminal v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ebe1e41db6f7b5567324ed4781c592708ee869df61d120034ab3c45087b711ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe1e41db6f7b5567324ed4781c592708ee869df61d120034ab3c45087b711ff", kill_on_drop: false }`
[INFO] [stdout] ebe1e41db6f7b5567324ed4781c592708ee869df61d120034ab3c45087b711ff
