[INFO] fetching crate remote_jupyter 0.1.2...
[INFO] checking remote_jupyter-0.1.2 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate remote_jupyter 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate remote_jupyter 0.1.2
[INFO] finished tweaking crates.io crate remote_jupyter 0.1.2
[INFO] tweaked toml for crates.io crate remote_jupyter 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate remote_jupyter 0.1.2 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 remote_jupyter 0.1.2 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:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | 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: `remote_jupyter` (manifest) generated 1 warning
[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] 01f8af054a9610ec04f7a0bd9e1ba4d23720bd32109571ea312ad3cd7e1b5439
[INFO] running `Command { std: "docker" "start" "01f8af054a9610ec04f7a0bd9e1ba4d23720bd32109571ea312ad3cd7e1b5439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01f8af054a9610ec04f7a0bd9e1ba4d23720bd32109571ea312ad3cd7e1b5439", 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" "01f8af054a9610ec04f7a0bd9e1ba4d23720bd32109571ea312ad3cd7e1b5439" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01f8af054a9610ec04f7a0bd9e1ba4d23720bd32109571ea312ad3cd7e1b5439", 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" "01f8af054a9610ec04f7a0bd9e1ba4d23720bd32109571ea312ad3cd7e1b5439" "/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:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | 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: `remote_jupyter` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rustix v0.38.11
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking clap_builder v4.4.2
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[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" "01f8af054a9610ec04f7a0bd9e1ba4d23720bd32109571ea312ad3cd7e1b5439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f8af054a9610ec04f7a0bd9e1ba4d23720bd32109571ea312ad3cd7e1b5439", kill_on_drop: false }`
[INFO] [stdout] 01f8af054a9610ec04f7a0bd9e1ba4d23720bd32109571ea312ad3cd7e1b5439
