[INFO] fetching crate libfuzzer-sys 0.4.2...
[INFO] testing libfuzzer-sys-0.4.2 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate libfuzzer-sys 0.4.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libfuzzer-sys 0.4.2 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbitrary v1.0.1
[INFO] [stderr]   Downloaded derive_arbitrary v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d77a197ccb586ffe2485a20b5790c3342eea678c9105bd4354b39b2f62dd8c1d
[INFO] running `Command { std: "docker" "start" "-a" "d77a197ccb586ffe2485a20b5790c3342eea678c9105bd4354b39b2f62dd8c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d77a197ccb586ffe2485a20b5790c3342eea678c9105bd4354b39b2f62dd8c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77a197ccb586ffe2485a20b5790c3342eea678c9105bd4354b39b2f62dd8c1d", kill_on_drop: false }`
[INFO] [stdout] d77a197ccb586ffe2485a20b5790c3342eea678c9105bd4354b39b2f62dd8c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbad3255b0bd4a9283d82bb1785676205d1016f564d133d6c277aede726e0155
[INFO] running `Command { std: "docker" "start" "-a" "dbad3255b0bd4a9283d82bb1785676205d1016f564d133d6c277aede726e0155", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling arbitrary v1.0.1
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.06s
[INFO] running `Command { std: "docker" "inspect" "dbad3255b0bd4a9283d82bb1785676205d1016f564d133d6c277aede726e0155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbad3255b0bd4a9283d82bb1785676205d1016f564d133d6c277aede726e0155", kill_on_drop: false }`
[INFO] [stdout] dbad3255b0bd4a9283d82bb1785676205d1016f564d133d6c277aede726e0155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 660c511726d87387f7532319073c3c74c68ccf9090d2b738dceb33b71db22ae9
[INFO] running `Command { std: "docker" "start" "-a" "660c511726d87387f7532319073c3c74c68ccf9090d2b738dceb33b71db22ae9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[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 flate2 v1.0.20
[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-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e.x9okxporxfawlx.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/libfuzzer-sys-561af1712c4d8229/out" "-L" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/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/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-1ce38cc2ca963dbe.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-44cde79bf84da402.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-4dc925bb53d03412.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-2216cca8b1bb2a2f.rlib" "/opt/rustwide/target/debug/deps/libonce_cell-2d047839a5a31cff.rlib" "/opt/rustwide/target/debug/deps/libarbitrary-e09e61172316a13a.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9c44f1fe63de3edb.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5dfdbb680ac299a1.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-353beaf877db2fdf.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-cd4abd33332d2d3f.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3b908b5b50ddd80c.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9cafd3521b5532d3.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-7b0935832903a9ac.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-8a349b13d67c76e3.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-9d41e7cb09eafd8e.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-095194fedb4c0ec4.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-968cf83f088269ec.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e63bbb95a6beff5c.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-9f216e67c2916fa5.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-4688b763605c6a0e.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a9b2dc3244289321.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-003d83a588984e1f.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/libfuzzer_sys-af44219ccb21560e" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/build/libfuzzer-sys-561af1712c4d8229/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-af44219ccb21560e.libfuzzer_sys.e0878416-cgu.6.rcgu.o:libfuzzer_sys.e0878416-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" "660c511726d87387f7532319073c3c74c68ccf9090d2b738dceb33b71db22ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660c511726d87387f7532319073c3c74c68ccf9090d2b738dceb33b71db22ae9", kill_on_drop: false }`
[INFO] [stdout] 660c511726d87387f7532319073c3c74c68ccf9090d2b738dceb33b71db22ae9