[INFO] fetching crate libtcc 0.2.0...
[INFO] testing libtcc-0.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate libtcc 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate libtcc 0.2.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libtcc 0.2.0
[INFO] finished tweaking crates.io crate libtcc 0.2.0
[INFO] tweaked toml for crates.io crate libtcc 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate libtcc 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ffaafb6959fe0da30b3761ed3486be70d01586450759336ea5e4dff8299fda3
[INFO] running `"docker" "start" "-a" "4ffaafb6959fe0da30b3761ed3486be70d01586450759336ea5e4dff8299fda3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libtcc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `libtcc v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libtcc-f93cfdb803cdceb8/build-script-build` (exit code: 1)
[INFO] [stderr] --- stdout
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CC = None
[INFO] [stderr] CC = None
[INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CFLAGS = None
[INFO] [stderr] CFLAGS = None
[INFO] [stderr] CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[INFO] [stderr] running "cc" "src/libtcc_test.c" "-o" "/opt/rustwide/target/debug/build/libtcc-104342838428d9c9/out/tcc-tmp/a.out" "-Isrc/tcc-0.9.27" "-ltcc" "-ldl" "-lrt" "-lm" "-lpthread"
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] /usr/bin/ld: cannot find -ltcc
[INFO] [stderr] collect2: error: ld returned 1 exit status
[INFO] [stderr] ERROR: Can not find libtcc.a in your host:
[INFO] [stderr] 	Tcc should be installed in host when your build target is same as host, 
[INFO] [stderr] 	because libtcc need some small but necessary runtime libaray such as libtcc1.a
[INFO] [stderr] 	and some header files, which should be found in [prefix]/lib/tcc
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "4ffaafb6959fe0da30b3761ed3486be70d01586450759336ea5e4dff8299fda3"`
[INFO] running `"docker" "rm" "-f" "4ffaafb6959fe0da30b3761ed3486be70d01586450759336ea5e4dff8299fda3"`
[INFO] [stdout] 4ffaafb6959fe0da30b3761ed3486be70d01586450759336ea5e4dff8299fda3