[INFO] updating cached repository jgallagher/rustc-varargs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jgallagher/rustc-varargs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jgallagher/rustc-varargs" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/jgallagher/rustc-varargs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/jgallagher/rustc-varargs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jgallagher/rustc-varargs" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/jgallagher/rustc-varargs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/jgallagher/rustc-varargs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c8312bc63613ff86b6f1c7517c68d9163b095b0
[INFO] sha for GitHub repo jgallagher/rustc-varargs: 1c8312bc63613ff86b6f1c7517c68d9163b095b0
[INFO] validating manifest of jgallagher/rustc-varargs on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jgallagher/rustc-varargs on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jgallagher/rustc-varargs
[INFO] finished frobbing jgallagher/rustc-varargs
[INFO] frobbed toml for jgallagher/rustc-varargs written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/jgallagher/rustc-varargs/Cargo.toml
[INFO] started frobbing jgallagher/rustc-varargs
[INFO] finished frobbing jgallagher/rustc-varargs
[INFO] frobbed toml for jgallagher/rustc-varargs written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/jgallagher/rustc-varargs/Cargo.toml
[INFO] crate jgallagher/rustc-varargs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/jgallagher/rustc-varargs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jgallagher/rustc-varargs against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-6/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/jgallagher/rustc-varargs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4ccfa26c7afd5b9bb456cb29e23f4a9ff3d5285431da069598f991adb4376acc
[INFO] running `"docker" "start" "-a" "4ccfa26c7afd5b9bb456cb29e23f4a9ff3d5285431da069598f991adb4376acc"`
[INFO] [stderr]    Compiling varargs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'gcc::Config': gcc::Config has been renamed to gcc::Build
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     gcc::Config::new()
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     gcc::Config::new()
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: src/foobar.c: In function 'foobar':
[INFO] [stderr] warning: src/foobar.c:12:5: warning: second parameter of 'va_start' not last named argument [-Wvarargs]
[INFO] [stderr] warning:      va_start(ap, 2);
[INFO] [stderr] warning:      ^~~~~~~~
[INFO] [stderr] error[E0617]: can't pass `extern "C" fn() {main::callback}` to variadic function
[INFO] [stderr]   --> src/main.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     unsafe { foobar(1, callback, 3u64); }
[INFO] [stderr]    |                        ^^^^^^^^ help: cast the value to `extern "C" fn()`: `callback as extern "C" fn()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0617`.
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: src/foobar.c: In function 'foobar':
[INFO] [stderr] warning: src/foobar.c:12:5: warning: second parameter of 'va_start' not last named argument [-Wvarargs]
[INFO] [stderr] warning:      va_start(ap, 2);
[INFO] [stderr] warning:      ^~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `varargs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0617]: can't pass `extern "C" fn() {main::callback}` to variadic function
[INFO] [stderr]   --> src/main.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     unsafe { foobar(1, callback, 3u64); }
[INFO] [stderr]    |                        ^^^^^^^^ help: cast the value to `extern "C" fn()`: `callback as extern "C" fn()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0617`.
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: src/foobar.c: In function 'foobar':
[INFO] [stderr] warning: src/foobar.c:12:5: warning: second parameter of 'va_start' not last named argument [-Wvarargs]
[INFO] [stderr] warning:      va_start(ap, 2);
[INFO] [stderr] warning:      ^~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `varargs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4ccfa26c7afd5b9bb456cb29e23f4a9ff3d5285431da069598f991adb4376acc"`
[INFO] running `"docker" "rm" "-f" "4ccfa26c7afd5b9bb456cb29e23f4a9ff3d5285431da069598f991adb4376acc"`
[INFO] [stdout] 4ccfa26c7afd5b9bb456cb29e23f4a9ff3d5285431da069598f991adb4376acc