[INFO] cloning repository https://github.com/maistra/header-append-filter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maistra/header-append-filter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaistra%2Fheader-append-filter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaistra%2Fheader-append-filter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93a9a81c08c7747e5c8066b751d3c957ddc3165b
[INFO] testing maistra/header-append-filter against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaistra%2Fheader-append-filter" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maistra/header-append-filter on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maistra/header-append-filter
[INFO] finished tweaking git repo https://github.com/maistra/header-append-filter
[INFO] tweaked toml for git repo https://github.com/maistra/header-append-filter written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/maistra/header-append-filter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 713bdbcebe303128d1667e6b8ec4bb95d1d30b00a596bbc0ec85b1dadddb5061
[INFO] running `Command { std: "docker" "start" "-a" "713bdbcebe303128d1667e6b8ec4bb95d1d30b00a596bbc0ec85b1dadddb5061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "713bdbcebe303128d1667e6b8ec4bb95d1d30b00a596bbc0ec85b1dadddb5061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713bdbcebe303128d1667e6b8ec4bb95d1d30b00a596bbc0ec85b1dadddb5061", kill_on_drop: false }`
[INFO] [stdout] 713bdbcebe303128d1667e6b8ec4bb95d1d30b00a596bbc0ec85b1dadddb5061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64cdcff265ccb3bda2258898be294935943e9717ea8a9d69ef494be86ae86bce
[INFO] running `Command { std: "docker" "start" "-a" "64cdcff265ccb3bda2258898be294935943e9717ea8a9d69ef494be86ae86bce", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling proxy-wasm v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling header-append-filter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.13s
[INFO] running `Command { std: "docker" "inspect" "64cdcff265ccb3bda2258898be294935943e9717ea8a9d69ef494be86ae86bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64cdcff265ccb3bda2258898be294935943e9717ea8a9d69ef494be86ae86bce", kill_on_drop: false }`
[INFO] [stdout] 64cdcff265ccb3bda2258898be294935943e9717ea8a9d69ef494be86ae86bce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbea67b2f9808645fd5f1bb979f8c3909ad096a720cd650a2fcff18a79a33866
[INFO] running `Command { std: "docker" "start" "-a" "cbea67b2f9808645fd5f1bb979f8c3909ad096a720cd650a2fcff18a79a33866", kill_on_drop: false }`
[INFO] [stderr]    Compiling header-append-filter v0.1.1 (/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/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.lv7zbfm3dkoz5be.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-ae0b9de85e81d76f.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-dd17e7b765638f54.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-e55ce254123a1c62.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-c91921c83bf98d74.rlib" "/opt/rustwide/target/debug/deps/libserde_json-ccadbca4d0a6142d.rlib" "/opt/rustwide/target/debug/deps/libryu-739207766fb1644f.rlib" "/opt/rustwide/target/debug/deps/libitoa-13ead38c9c534969.rlib" "/opt/rustwide/target/debug/deps/libserde-4b013d45424ce3bf.rlib" "/opt/rustwide/target/debug/deps/libproxy_wasm-e8700d786c60dac8.rlib" "/opt/rustwide/target/debug/deps/liblog-5adcf922eb1fa2ac.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-dece450273084492.rlib" "/opt/rustwide/target/debug/deps/libhashbrown-bf49637b526f6d5f.rlib" "/opt/rustwide/target/debug/deps/libahash-d75f4780196ed95e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/header_append_filter-44a9fa52b65caa15.header_append_filter.1c3b9a24-cgu.4.rcgu.o: in function `_start':
[INFO] [stdout]           /opt/rustwide/workdir/src/lib.rs:9: multiple definition of `_start'; /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o:(.text+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 `header-append-filter` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cbea67b2f9808645fd5f1bb979f8c3909ad096a720cd650a2fcff18a79a33866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbea67b2f9808645fd5f1bb979f8c3909ad096a720cd650a2fcff18a79a33866", kill_on_drop: false }`
[INFO] [stdout] cbea67b2f9808645fd5f1bb979f8c3909ad096a720cd650a2fcff18a79a33866