[INFO] fetching crate libtcc 0.2.0...
[INFO] testing libtcc-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate libtcc 0.2.0 into /workspace/builds/worker-5-tc1/source
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libtcc 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libtcc 0.2.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 440c1d356643ed2265d5868d924d7dc5925809d7dacb80c9e69ce7f2610f8795
[INFO] running `Command { std: "docker" "start" "-a" "440c1d356643ed2265d5868d924d7dc5925809d7dacb80c9e69ce7f2610f8795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "440c1d356643ed2265d5868d924d7dc5925809d7dacb80c9e69ce7f2610f8795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440c1d356643ed2265d5868d924d7dc5925809d7dacb80c9e69ce7f2610f8795", kill_on_drop: false }`
[INFO] [stdout] 440c1d356643ed2265d5868d924d7dc5925809d7dacb80c9e69ce7f2610f8795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47172066d698ae9ca7ec6a16da245ab4e6293952fa80516ccad39a81d8d3c4a8
[INFO] running `Command { std: "docker" "start" "-a" "47172066d698ae9ca7ec6a16da245ab4e6293952fa80516ccad39a81d8d3c4a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.52
[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] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libtcc-283734d5e8e676f9/build-script-build` (exit status: 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,x87")
[INFO] [stderr]   running "cc" "src/libtcc_test.c" "-o" "/opt/rustwide/target/debug/build/libtcc-a432362c7776b948/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: No such file or directory
[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] running `Command { std: "docker" "inspect" "47172066d698ae9ca7ec6a16da245ab4e6293952fa80516ccad39a81d8d3c4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47172066d698ae9ca7ec6a16da245ab4e6293952fa80516ccad39a81d8d3c4a8", kill_on_drop: false }`
[INFO] [stdout] 47172066d698ae9ca7ec6a16da245ab4e6293952fa80516ccad39a81d8d3c4a8