[INFO] crate lua52-sys 0.1.2 is already in cache
[INFO] checking lua52-sys-0.1.2 against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766
[INFO] extracting crate lua52-sys 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lua52-sys 0.1.2 on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lua52-sys 0.1.2
[INFO] finished tweaking crates.io crate lua52-sys 0.1.2
[INFO] tweaked toml for crates.io crate lua52-sys 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 132dfec123d2697a27c46d1f5edbf5eaaebe9a0ffd790b2ceb5641e020edc66e
[INFO] running `"docker" "start" "-a" "132dfec123d2697a27c46d1f5edbf5eaaebe9a0ffd790b2ceb5641e020edc66e"`
[INFO] [stderr]    Compiling lua52-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: lua/src/lcode.c: In function 'luaK_exp2RK':
[INFO] [stderr] warning: lua/src/lcode.c:543:12: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:        e->k = VK;
[INFO] [stderr] warning:        ~~~~~^~~~
[INFO] [stderr] warning: lua/src/lcode.c:546:5: note: here
[INFO] [stderr] warning:      case VK: {
[INFO] [stderr] warning:      ^~~~
[INFO] [stderr] warning: lua/src/lgc.c: In function 'freeobj':
[INFO] [stderr] warning: lua/src/lgc.c:679:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:        G(L)->strt.nuse--;
[INFO] [stderr] warning: lua/src/lgc.c:681:5: note: here
[INFO] [stderr] warning:      case LUA_TLNGSTR: {
[INFO] [stderr] warning:      ^~~~
[INFO] [stderr] warning: lua/src/llex.c: In function 'llex':
[INFO] [stderr] warning: lua/src/llex.c:477:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:          else if (!lisdigit(ls->current)) return '.';
[INFO] [stderr] warning:                  ^
[INFO] [stderr] warning: lua/src/llex.c:480:7: note: here
[INFO] [stderr] warning:        case '0': case '1': case '2': case '3': case '4':
[INFO] [stderr] warning:        ^~~~
[INFO] [stderr] warning: lua/src/ltable.c: In function 'luaH_get':
[INFO] [stderr] warning: lua/src/ltable.c:485:23: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:      case LUA_TNUMBER: {
[INFO] [stderr] warning:                        ^
[INFO] [stderr] warning: lua/src/ltable.c:493:5: note: here
[INFO] [stderr] warning:      default: {
[INFO] [stderr] warning:      ^~~~~~~
[INFO] [stderr] warning: lua/src/lstrlib.c: In function 'match':
[INFO] [stderr] warning: lua/src/lstrlib.c:492:16: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:                s++;  /* 1 match already done */
[INFO] [stderr] warning:                ~^~
[INFO] [stderr] warning: lua/src/lstrlib.c:494:13: note: here
[INFO] [stderr] warning:              case '*':  /* 0 or more repetitions */
[INFO] [stderr] warning:              ^~~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `"docker" "inspect" "132dfec123d2697a27c46d1f5edbf5eaaebe9a0ffd790b2ceb5641e020edc66e"`
[INFO] running `"docker" "rm" "-f" "132dfec123d2697a27c46d1f5edbf5eaaebe9a0ffd790b2ceb5641e020edc66e"`
[INFO] [stdout] 132dfec123d2697a27c46d1f5edbf5eaaebe9a0ffd790b2ceb5641e020edc66e