[INFO] fetching crate mongo-task-generator 0.6.5...
[INFO] checking mongo-task-generator-0.6.5 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate mongo-task-generator 0.6.5 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate mongo-task-generator 0.6.5
[INFO] finished tweaking crates.io crate mongo-task-generator 0.6.5
[INFO] tweaked toml for crates.io crate mongo-task-generator 0.6.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mongo-task-generator 0.6.5 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 mongo-task-generator 0.6.5 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:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | 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: `mongo-task-generator` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1ad8ddbdab0a447575a59bbeafa4d7de93d2582acc69808168fc5f669e7d0882
[INFO] running `Command { std: "docker" "start" "1ad8ddbdab0a447575a59bbeafa4d7de93d2582acc69808168fc5f669e7d0882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad8ddbdab0a447575a59bbeafa4d7de93d2582acc69808168fc5f669e7d0882", 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" "1ad8ddbdab0a447575a59bbeafa4d7de93d2582acc69808168fc5f669e7d0882" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad8ddbdab0a447575a59bbeafa4d7de93d2582acc69808168fc5f669e7d0882", 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" "1ad8ddbdab0a447575a59bbeafa4d7de93d2582acc69808168fc5f669e7d0882" "/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:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | 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: `mongo-task-generator` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.126
[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 memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking smallvec v1.8.1
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[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]     Checking rustls-pemfile v1.0.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling zstd-sys v2.0.1+zstd.1.5.2
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling nom v5.1.2
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[INFO] [stderr]     Checking rand_core v0.6.3
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[INFO] [stderr]    Compiling futures-macro v0.3.21
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[INFO] [stderr]    Compiling thiserror-impl v1.0.31
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[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking thiserror v1.0.31
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[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling nom-tracable-macros v0.8.0
[INFO] [stderr]    Compiling miette-derive v4.7.1
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[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking nested v0.1.1
[INFO] [stderr]     Checking debug-ignore v1.0.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling self_update v0.30.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking miette v4.7.1
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking clap v3.2.7
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking nom-tracable v0.8.0
[INFO] [stderr]     Checking yaml-merge-keys v0.5.1
[INFO] [stderr]    Compiling cmd_lib_macros v1.3.0
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking parse_link_header v0.3.2
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking shared_child v0.3.5
[INFO] [stderr]     Checking faccess v0.2.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking quick-xml v0.23.0
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.3
[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] running `Command { std: "docker" "inspect" "1ad8ddbdab0a447575a59bbeafa4d7de93d2582acc69808168fc5f669e7d0882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad8ddbdab0a447575a59bbeafa4d7de93d2582acc69808168fc5f669e7d0882", kill_on_drop: false }`
[INFO] [stdout] 1ad8ddbdab0a447575a59bbeafa4d7de93d2582acc69808168fc5f669e7d0882
