[INFO] cloning repository https://github.com/maciekMerkury/demi_epoll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maciekMerkury/demi_epoll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmaciekMerkury%2Fdemi_epoll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmaciekMerkury%2Fdemi_epoll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30fe09d03e880a74d58e362ff48989aade5273bc
[INFO] testing maciekMerkury/demi_epoll against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmaciekMerkury%2Fdemi_epoll" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/maciekMerkury/demi_epoll
[INFO] finished tweaking git repo https://github.com/maciekMerkury/demi_epoll
[INFO] tweaked toml for git repo https://github.com/maciekMerkury/demi_epoll written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maciekMerkury/demi_epoll on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maciekMerkury/demi_epoll already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d6d6becc2a934049267bb930cfec9c6b38a1f4441347a5ba4d231cebe3cb495
[INFO] running `Command { std: "docker" "start" "-a" "3d6d6becc2a934049267bb930cfec9c6b38a1f4441347a5ba4d231cebe3cb495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d6d6becc2a934049267bb930cfec9c6b38a1f4441347a5ba4d231cebe3cb495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6d6becc2a934049267bb930cfec9c6b38a1f4441347a5ba4d231cebe3cb495", kill_on_drop: false }`
[INFO] [stdout] 3d6d6becc2a934049267bb930cfec9c6b38a1f4441347a5ba4d231cebe3cb495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4625c7e6684b1615a35f5e5469e6a885da8141ba7c9925a276da0dd0f83c37e3
[INFO] running `Command { std: "docker" "start" "-a" "4625c7e6684b1615a35f5e5469e6a885da8141ba7c9925a276da0dd0f83c37e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling demi_epoll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling bitfields-impl v1.0.0
[INFO] [stderr]    Compiling bitfields v1.0.0
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-Wl,--version-script=/tmp/rustct6URSb/list" "-Wl,--no-undefined-version" "-m64" "/tmp/rustct6URSb/symbols.o" "<9 object files omitted>" "-Wl,--as-needed" "-Wl,-Bdynamic" "-ldemikernel" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libthiserror-50422ca6418d0a4f,libbitflags-999d889d9694453e,libbitfields-963529eaa6882b12,liblazy_static-b3603208c0de2608,libenv_logger-1675c9833b07a86f,libanstream-88b861fabcdb367f,libanstyle_query-86d25270c3c9ef5d,libis_terminal_polyfill-c14c9d53c4f80a97,libcolorchoice-3cdad4dd466782b4,libanstyle_parse-f31b73edea95dc17,libutf8parse-8828ddbb63eb8bad,libjiff-301d3c40c5dc7075,libenv_filter-b5f5923bd95ab733,libregex-a40a0aace06938a2,libregex_automata-5d4eb0b186abf54c,libaho_corasick-199d7569d6a85641,libmemchr-2d97b38eddd0133f,libregex_syntax-2f734124a51b36fa,libanstyle-acd37f6657e9ecfb,liblog-ba604b77dad33fe2,liblibc-4d1985e343fb3d50}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustct6URSb/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/libdemi_epoll.so" "-Wl,--gc-sections" "-shared" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: unable to find library -ldemikernel
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demi_epoll` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4625c7e6684b1615a35f5e5469e6a885da8141ba7c9925a276da0dd0f83c37e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4625c7e6684b1615a35f5e5469e6a885da8141ba7c9925a276da0dd0f83c37e3", kill_on_drop: false }`
[INFO] [stdout] 4625c7e6684b1615a35f5e5469e6a885da8141ba7c9925a276da0dd0f83c37e3