[INFO] fetching crate libfuzzer-sys 0.4.2...
[INFO] testing libfuzzer-sys-0.4.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate libfuzzer-sys 0.4.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate libfuzzer-sys 0.4.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking crates.io crate libfuzzer-sys 0.4.2
[INFO] finished tweaking crates.io crate libfuzzer-sys 0.4.2
[INFO] tweaked toml for crates.io crate libfuzzer-sys 0.4.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_arbitrary v1.0.2
[INFO] [stderr]   Downloaded arbitrary v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c71cf592f7ad1d67ce28fa235246d64e6e60870ef51b37c1d977be40882808b2
[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" "c71cf592f7ad1d67ce28fa235246d64e6e60870ef51b37c1d977be40882808b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c71cf592f7ad1d67ce28fa235246d64e6e60870ef51b37c1d977be40882808b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71cf592f7ad1d67ce28fa235246d64e6e60870ef51b37c1d977be40882808b2", kill_on_drop: false }`
[INFO] [stdout] c71cf592f7ad1d67ce28fa235246d64e6e60870ef51b37c1d977be40882808b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef8d3e4f44da0ee161eb3dc24121dc9cb410c24dd1e81c600caf61939f20abd8
[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" "ef8d3e4f44da0ee161eb3dc24121dc9cb410c24dd1e81c600caf61939f20abd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.0.3
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.46s
[INFO] running `Command { std: "docker" "inspect" "ef8d3e4f44da0ee161eb3dc24121dc9cb410c24dd1e81c600caf61939f20abd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8d3e4f44da0ee161eb3dc24121dc9cb410c24dd1e81c600caf61939f20abd8", kill_on_drop: false }`
[INFO] [stdout] ef8d3e4f44da0ee161eb3dc24121dc9cb410c24dd1e81c600caf61939f20abd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8b721cecd8b3b00cada89ee7b60cb463ee45889f5ebf9902f64abe05fd913e6
[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" "b8b721cecd8b3b00cada89ee7b60cb463ee45889f5ebf9902f64abe05fd913e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.40q2tchvfq7poxlf.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/libfuzzer-sys-d8527905ed9baf68/out" "-L" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,--whole-archive" "-lfuzzer" "-Wl,--no-whole-archive" "-Wl,-Bdynamic" "-lstdc++" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-ea87b6c2fe761216.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-91b9e0d063734789.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-2ddfc09cde4cdc0c.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-d066e6f50a258123.rlib" "/opt/rustwide/target/debug/deps/libonce_cell-393bd80b9b1a6bb7.rlib" "/opt/rustwide/target/debug/deps/libarbitrary-3125d97c591433e9.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b037ee6b77e2ff0.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9635a64fca0ebd28.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7574eb9bb7a8fc5.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f5fa1dc334dcaeeb.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6ee570a898e75ef0.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-afb62f29a0815772.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a632746535fd9988.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-25acc307bcb1d7b6.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-377721a625f6ace7.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-43c01431c8a4ee6f.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5f74725679453254.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-2b35d8999819161d.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a81f2980c3f58cf2.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-57b4679830289815.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/build/libfuzzer-sys-d8527905ed9baf68/out/libfuzzer.a(FuzzerMain.o): in function `main':
[INFO] [stdout]           /opt/rustwide/workdir/libfuzzer/FuzzerMain.cpp:19: multiple definition of `main'; /opt/rustwide/target/debug/deps/libfuzzer_sys-aea1ed91fad1d666.libfuzzer_sys.1d9f51ee-cgu.6.rcgu.o:libfuzzer_sys.1d9f51ee-cgu.6:(.text.main+0x0): first defined here
[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 `libfuzzer-sys` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b8b721cecd8b3b00cada89ee7b60cb463ee45889f5ebf9902f64abe05fd913e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b721cecd8b3b00cada89ee7b60cb463ee45889f5ebf9902f64abe05fd913e6", kill_on_drop: false }`
[INFO] [stdout] b8b721cecd8b3b00cada89ee7b60cb463ee45889f5ebf9902f64abe05fd913e6