[INFO] fetching crate shadowsocks-gtk-rs 0.4.1...
[INFO] checking shadowsocks-gtk-rs-0.4.1 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate shadowsocks-gtk-rs 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate shadowsocks-gtk-rs 0.4.1
[INFO] finished tweaking crates.io crate shadowsocks-gtk-rs 0.4.1
[INFO] tweaked toml for crates.io crate shadowsocks-gtk-rs 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shadowsocks-gtk-rs 0.4.1 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 shadowsocks-gtk-rs 0.4.1 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:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:100:12
[INFO] [stderr]     |
[INFO] [stderr] 100 | homepage = "https://github.com/spyophobia/shadowsocks-gtk-rs"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 105 | repository = "https://github.com/spyophobia/shadowsocks-gtk-rs"
[INFO] [stderr]     |              --------------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `shadowsocks-gtk-rs` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 37b2507b5acc95a5fa0ce88930cdd2b97e8461e20914867f731a5866d929002a
[INFO] running `Command { std: "docker" "start" "37b2507b5acc95a5fa0ce88930cdd2b97e8461e20914867f731a5866d929002a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b2507b5acc95a5fa0ce88930cdd2b97e8461e20914867f731a5866d929002a", 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" "37b2507b5acc95a5fa0ce88930cdd2b97e8461e20914867f731a5866d929002a" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b2507b5acc95a5fa0ce88930cdd2b97e8461e20914867f731a5866d929002a", 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" "37b2507b5acc95a5fa0ce88930cdd2b97e8461e20914867f731a5866d929002a" "/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:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:100:12
[INFO] [stderr]     |
[INFO] [stderr] 100 | homepage = "https://github.com/spyophobia/shadowsocks-gtk-rs"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 105 | repository = "https://github.com/spyophobia/shadowsocks-gtk-rs"
[INFO] [stderr]     |              --------------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `shadowsocks-gtk-rs` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling gio v0.15.12
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]    Compiling cfg-expr v0.10.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling rustversion v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling gtk v0.15.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking easy-parallel v3.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking ordered-stream v0.0.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.5
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking shared_child v0.3.5
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking duct v0.13.5
[INFO] [stderr]     Checking bus v2.2.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking async-broadcast v0.4.0
[INFO] [stderr]     Checking async-io v1.7.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking simplelog v0.12.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling system-deps v6.0.2
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.24.1/src/unistd.rs:893:56
[INFO] [stdout]     |
[INFO] [stdout] 893 |                       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-0.24.1/src/unistd.rs:893:56
[INFO] [stdout]     |
[INFO] [stdout] 893 |                       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] [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-0.23.1/src/unistd.rs:855:56
[INFO] [stdout]     |
[INFO] [stdout] 855 |                       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-0.23.1/src/unistd.rs:855:56
[INFO] [stdout]     |
[INFO] [stdout] 855 |                       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" "37b2507b5acc95a5fa0ce88930cdd2b97e8461e20914867f731a5866d929002a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b2507b5acc95a5fa0ce88930cdd2b97e8461e20914867f731a5866d929002a", kill_on_drop: false }`
[INFO] [stdout] 37b2507b5acc95a5fa0ce88930cdd2b97e8461e20914867f731a5866d929002a
