[INFO] updating cached repository https://github.com/snf/rust_crashes
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5b03311b563807ca9011ce428b84263cca4e3f9b
[INFO] checking snf/rust_crashes against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnf%2Frust_crashes" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snf/rust_crashes on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/snf/rust_crashes
[INFO] finished tweaking git repo https://github.com/snf/rust_crashes
[INFO] tweaked toml for git repo https://github.com/snf/rust_crashes written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/snf/rust_crashes already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8354aa5da717554e8d0191988dee730ca899545b32215b7cdbc7971f87b607c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8354aa5da717554e8d0191988dee730ca899545b32215b7cdbc7971f87b607c2"`
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling rust_crash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: src/helpers/call_rust.cpp: In function 'int main(int, char**)':
[INFO] [stderr] warning: src/helpers/call_rust.cpp:7:14: warning: unused parameter 'argc' [-Wunused-parameter]
[INFO] [stderr] warning:  int main(int argc, char *argv[]) {
[INFO] [stderr] warning:               ^~~~
[INFO] [stderr] warning: src/helpers/call_rust.cpp:7:31: warning: unused parameter 'argv' [-Wunused-parameter]
[INFO] [stderr] warning:  int main(int argc, char *argv[]) {
[INFO] [stderr] warning:                                ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `"docker" "inspect" "8354aa5da717554e8d0191988dee730ca899545b32215b7cdbc7971f87b607c2"`
[INFO] running `"docker" "rm" "-f" "8354aa5da717554e8d0191988dee730ca899545b32215b7cdbc7971f87b607c2"`
[INFO] [stdout] 8354aa5da717554e8d0191988dee730ca899545b32215b7cdbc7971f87b607c2