[INFO] cloning repository https://github.com/Hoblovski/stupid-smt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hoblovski/stupid-smt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoblovski%2Fstupid-smt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoblovski%2Fstupid-smt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5222d1095525fb6685d0e68e923d2299a1d165af
[INFO] testing Hoblovski/stupid-smt against try#d5830e3d3b571fe52cdf4b7b34be99be74dc65ea+target=i686-unknown-linux-musl for musl_1_2_upgrade_i686_unknown_linux_musl
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoblovski%2Fstupid-smt" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hoblovski/stupid-smt on toolchain d5830e3d3b571fe52cdf4b7b34be99be74dc65ea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hoblovski/stupid-smt
[INFO] finished tweaking git repo https://github.com/Hoblovski/stupid-smt
[INFO] tweaked toml for git repo https://github.com/Hoblovski/stupid-smt written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Hoblovski/stupid-smt 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" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded bindgen v0.42.3
[INFO] [stderr]   Downloaded minisat v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bae8ab10b538e01eb37320e78a21bcb1a8de298bbc5d6a048c2b3f980111ada2
[INFO] running `Command { std: "docker" "start" "-a" "bae8ab10b538e01eb37320e78a21bcb1a8de298bbc5d6a048c2b3f980111ada2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bae8ab10b538e01eb37320e78a21bcb1a8de298bbc5d6a048c2b3f980111ada2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae8ab10b538e01eb37320e78a21bcb1a8de298bbc5d6a048c2b3f980111ada2", kill_on_drop: false }`
[INFO] [stdout] bae8ab10b538e01eb37320e78a21bcb1a8de298bbc5d6a048c2b3f980111ada2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ea8fac787cc092a701c642dee04aae744c9a3b6396c461d2778a0c55a756b8f5
[INFO] running `Command { std: "docker" "start" "-a" "ea8fac787cc092a701c642dee04aae744c9a3b6396c461d2778a0c55a756b8f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bindgen v0.42.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling minisat v0.4.3
[INFO] [stderr] error: failed to run custom build command for `minisat v0.4.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/minisat-2af38eaec1a1f340/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("i686-unknown-linux-musl")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CXX_i686-unknown-linux-musl = None
[INFO] [stderr]   CXX_i686_unknown_linux_musl = None
[INFO] [stderr]   TARGET_CXX = None
[INFO] [stderr]   CXX = None
[INFO] [stderr]   CROSS_COMPILE = None
[INFO] [stderr]   CXXFLAGS_i686-unknown-linux-musl = None
[INFO] [stderr]   CXXFLAGS_i686_unknown_linux_musl = None
[INFO] [stderr]   TARGET_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,llvm14-builtins-abi,sse,sse2")
[INFO] [stderr]   running: "musl-g++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m32" "-march=i686" "-Wl,-melf_i386" "-I" "lib/minisat" "-I" "lib" "-I" "/usr/include" "-Wall" "-Wextra" "-D__STDC_LIMIT_MACROS" "-D__STDC_FORMAT_MACROS" "-o" "/opt/rustwide/target/i686-unknown-linux-musl/debug/build/minisat-594d8e1918570632/out/lib/minisat/minisat/core/Solver.o" "-c" "lib/minisat/minisat/core/Solver.cc"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Failed to find tool. Is `musl-g++` installed?
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "ea8fac787cc092a701c642dee04aae744c9a3b6396c461d2778a0c55a756b8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8fac787cc092a701c642dee04aae744c9a3b6396c461d2778a0c55a756b8f5", kill_on_drop: false }`
[INFO] [stdout] ea8fac787cc092a701c642dee04aae744c9a3b6396c461d2778a0c55a756b8f5