[INFO] cloning repository https://github.com/XX/wasmer-wasi-fs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XX/wasmer-wasi-fs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXX%2Fwasmer-wasi-fs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXX%2Fwasmer-wasi-fs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99d2af4303159f5ca78382b7759c1d50bc37aeb5
[INFO] testing XX/wasmer-wasi-fs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXX%2Fwasmer-wasi-fs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XX/wasmer-wasi-fs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/XX/wasmer-wasi-fs
[INFO] finished tweaking git repo https://github.com/XX/wasmer-wasi-fs
[INFO] tweaked toml for git repo https://github.com/XX/wasmer-wasi-fs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/XX/wasmer-wasi-fs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raw-cpuid v7.0.4
[INFO] [stderr]   Downloaded wasmer_enumset_derive v0.5.0
[INFO] [stderr]   Downloaded ctor v0.1.18
[INFO] [stderr]   Downloaded wasmparser v0.65.0
[INFO] [stderr]   Downloaded typetag-impl v0.1.7
[INFO] [stderr]   Downloaded wasmer_enumset v1.0.1
[INFO] [stderr]   Downloaded wasmer v1.0.1
[INFO] [stderr]   Downloaded wasmer-vm v1.0.1
[INFO] [stderr]   Downloaded wasmer-types v1.0.1
[INFO] [stderr]   Downloaded wat v1.0.33
[INFO] [stderr]   Downloaded wasmer-engine v1.0.1
[INFO] [stderr]   Downloaded wasmer-wasi v1.0.1
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v1.0.1
[INFO] [stderr]   Downloaded wasmer-derive v1.0.1
[INFO] [stderr]   Downloaded wast v32.0.0
[INFO] [stderr]   Downloaded wasmer-engine-jit v1.0.1
[INFO] [stderr]   Downloaded wasmer-object v1.0.1
[INFO] [stderr]   Downloaded wasmer-engine-native v1.0.1
[INFO] [stderr]   Downloaded wasmer-compiler v1.0.1
[INFO] [stderr]   Downloaded typetag v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be066ba93eb61a74bc18be319ef3e49573305888d55063c4359f1f68871cab5d
[INFO] running `Command { std: "docker" "start" "-a" "be066ba93eb61a74bc18be319ef3e49573305888d55063c4359f1f68871cab5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be066ba93eb61a74bc18be319ef3e49573305888d55063c4359f1f68871cab5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be066ba93eb61a74bc18be319ef3e49573305888d55063c4359f1f68871cab5d", kill_on_drop: false }`
[INFO] [stdout] be066ba93eb61a74bc18be319ef3e49573305888d55063c4359f1f68871cab5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c871c2a0f9b912958eb3754e428e0a18ef78c29d226e60bab6280267eb4f5594
[INFO] running `Command { std: "docker" "start" "-a" "c871c2a0f9b912958eb3754e428e0a18ef78c29d226e60bab6280267eb4f5594", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]    Compiling wasmparser v0.65.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v1.0.1
[INFO] [stderr]    Compiling wasi_fs_example v0.1.0 (/opt/rustwide/workdir/wasi_fs_example)
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling wast v32.0.0
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.wasi_fs_example.1e1a0931-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df.4rixaaza2axvlii9.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,--start-group" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/wasi_fs_example-4e6d79d974e617df" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
[INFO] [stdout]           (.text+0x24): undefined reference to `main'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasi_fs_example` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c871c2a0f9b912958eb3754e428e0a18ef78c29d226e60bab6280267eb4f5594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c871c2a0f9b912958eb3754e428e0a18ef78c29d226e60bab6280267eb4f5594", kill_on_drop: false }`
[INFO] [stdout] c871c2a0f9b912958eb3754e428e0a18ef78c29d226e60bab6280267eb4f5594