[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXX%2Fwasmer-wasi-fs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XX/wasmer-wasi-fs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-1/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.18
[INFO] [stderr]   Downloaded wasmer-derive v1.0.1
[INFO] [stderr]   Downloaded wat v1.0.33
[INFO] [stderr]   Downloaded wasmer-engine v1.0.1
[INFO] [stderr]   Downloaded wasmer-object v1.0.1
[INFO] [stderr]   Downloaded wasmer-vm v1.0.1
[INFO] [stderr]   Downloaded wasmer-engine-jit v1.0.1
[INFO] [stderr]   Downloaded wasmer_enumset_derive v0.5.0
[INFO] [stderr]   Downloaded wasmer_enumset v1.0.1
[INFO] [stderr]   Downloaded wasmparser v0.65.0
[INFO] [stderr]   Downloaded wasmer-compiler v1.0.1
[INFO] [stderr]   Downloaded wast v32.0.0
[INFO] [stderr]   Downloaded wasmer-engine-native v1.0.1
[INFO] [stderr]   Downloaded wasmer-types v1.0.1
[INFO] [stderr]   Downloaded wasmer v1.0.1
[INFO] [stderr]   Downloaded wasmer-wasi v1.0.1
[INFO] [stderr]   Downloaded typetag-impl v0.1.7
[INFO] [stderr]   Downloaded typetag v0.1.7
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c93cf4ad0aecf3945f29ad9574db33698e64eb8d3bf3a4b13eecd84b14a802b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c93cf4ad0aecf3945f29ad9574db33698e64eb8d3bf3a4b13eecd84b14a802b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c93cf4ad0aecf3945f29ad9574db33698e64eb8d3bf3a4b13eecd84b14a802b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93cf4ad0aecf3945f29ad9574db33698e64eb8d3bf3a4b13eecd84b14a802b3", kill_on_drop: false }`
[INFO] [stdout] c93cf4ad0aecf3945f29ad9574db33698e64eb8d3bf3a4b13eecd84b14a802b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b64cf4b79a26221b6356fed40103add54ac126136656f3477c1f6aa5afa8ae83
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b64cf4b79a26221b6356fed40103add54ac126136656f3477c1f6aa5afa8ae83", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling wasmparser v0.65.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v1.0.1
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling wasi_fs_example v0.1.0 (/opt/rustwide/workdir/wasi_fs_example)
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling wast v32.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.wasi_fs_example.cmoim758-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21" "/opt/rustwide/target/debug/deps/wasi_fs_example-e1a39c6ab4057b21.3htb1qwvpjweoq6n.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,--start-group" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-21256c14e4504640.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-986e7fea4474d4d2.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-91d85f45babdb06e.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-756509c31813f9a6.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5c2ef587e740c0cc.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-ad8f9371d31db1b3.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-402820fb3b4d3dd8.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-5e8e903f07dc8747.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7ab9ae5080c07187.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-c8e8d47c6bf14de2.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5a02dbb58abd015a.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-cedc8fec61444895.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1c96351c52bc56a.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e41c6d24baeb2249.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-62493b241881590c.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a1fd7734706d5518.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-c8ded1707ad10767.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1eec8756baa5bc24.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasi_fs_example`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b64cf4b79a26221b6356fed40103add54ac126136656f3477c1f6aa5afa8ae83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64cf4b79a26221b6356fed40103add54ac126136656f3477c1f6aa5afa8ae83", kill_on_drop: false }`
[INFO] [stdout] b64cf4b79a26221b6356fed40103add54ac126136656f3477c1f6aa5afa8ae83