[INFO] cloning repository https://github.com/donalshijan/Search-Engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/donalshijan/Search-Engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdonalshijan%2FSearch-Engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdonalshijan%2FSearch-Engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95179fb880b6359fe9b1313c60b1a6fde4cca0b5
[INFO] checking donalshijan/Search-Engine 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%2Fdonalshijan%2FSearch-Engine" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/donalshijan/Search-Engine
[INFO] finished tweaking git repo https://github.com/donalshijan/Search-Engine
[INFO] tweaked toml for git repo https://github.com/donalshijan/Search-Engine written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/donalshijan/Search-Engine 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/donalshijan/Search-Engine 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 `search_engine` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-0-tc2/source/target/.../search_engine
[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 `search-engine`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 - name = "search_engine"
[INFO] [stderr] 29 + name = "search-engine"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `search-engine`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:30:19
[INFO] [stderr]    |
[INFO] [stderr] 30 ~ version = "0.1.0"
[INFO] [stderr] 31 + [[bin]]
[INFO] [stderr] 32 + name = "search-engine"
[INFO] [stderr] 33 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `search_engine` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0ae8936e18ddf3391e36f161e998f7ea3bdfdb0280368f6cf34191d29954d762
[INFO] running `Command { std: "docker" "start" "0ae8936e18ddf3391e36f161e998f7ea3bdfdb0280368f6cf34191d29954d762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ae8936e18ddf3391e36f161e998f7ea3bdfdb0280368f6cf34191d29954d762", 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" "0ae8936e18ddf3391e36f161e998f7ea3bdfdb0280368f6cf34191d29954d762" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ae8936e18ddf3391e36f161e998f7ea3bdfdb0280368f6cf34191d29954d762", 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" "0ae8936e18ddf3391e36f161e998f7ea3bdfdb0280368f6cf34191d29954d762" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `search_engine` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../search_engine
[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 `search-engine`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 - name = "search_engine"
[INFO] [stderr] 29 + name = "search-engine"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `search-engine`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:30:19
[INFO] [stderr]    |
[INFO] [stderr] 30 ~ version = "0.1.0"
[INFO] [stderr] 31 + [[bin]]
[INFO] [stderr] 32 + name = "search-engine"
[INFO] [stderr] 33 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `search_engine` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking core_affinity v0.8.1
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking indicatif v0.17.9
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.14.1/src/unistd.rs:800:56
[INFO] [stdout]     |
[INFO] [stdout] 800 |                       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-0.14.1/src/unistd.rs:800:56
[INFO] [stdout]     |
[INFO] [stdout] 800 |                       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] running `Command { std: "docker" "inspect" "0ae8936e18ddf3391e36f161e998f7ea3bdfdb0280368f6cf34191d29954d762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae8936e18ddf3391e36f161e998f7ea3bdfdb0280368f6cf34191d29954d762", kill_on_drop: false }`
[INFO] [stdout] 0ae8936e18ddf3391e36f161e998f7ea3bdfdb0280368f6cf34191d29954d762
