[INFO] fetching crate mech-io 0.2.58... [INFO] testing mech-io-0.2.58 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate mech-io 0.2.58 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate mech-io 0.2.58 [INFO] finished tweaking crates.io crate mech-io 0.2.58 [INFO] tweaked toml for crates.io crate mech-io 0.2.58 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mech-io 0.2.58 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mech-io 0.2.58 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 462023fcb3ff910b8be8bd6d2d2190e47fc8daa6936afd4e1fd8fbd9584c3945 [INFO] running `Command { std: "docker" "start" "-a" "462023fcb3ff910b8be8bd6d2d2190e47fc8daa6936afd4e1fd8fbd9584c3945", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "462023fcb3ff910b8be8bd6d2d2190e47fc8daa6936afd4e1fd8fbd9584c3945", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "462023fcb3ff910b8be8bd6d2d2190e47fc8daa6936afd4e1fd8fbd9584c3945", kill_on_drop: false }` [INFO] [stdout] 462023fcb3ff910b8be8bd6d2d2190e47fc8daa6936afd4e1fd8fbd9584c3945 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de2926fd69254a33aa1cb1d0ff92466c6301be1e935284294c9bf24d34d4fcdc [INFO] running `Command { std: "docker" "start" "-a" "de2926fd69254a33aa1cb1d0ff92466c6301be1e935284294c9bf24d34d4fcdc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling bytemuck v1.23.0 [INFO] [stderr] Compiling alloc-no-stdlib v2.0.4 [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling bytecount v0.6.9 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling unicode-width v0.2.1 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling virtue v0.0.18 [INFO] [stderr] Compiling unty v0.0.4 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling base64 v0.22.1 [INFO] [stderr] Compiling seahash v4.1.0 [INFO] [stderr] Compiling alloc-stdlib v0.2.2 [INFO] [stderr] Compiling papergrid v0.14.0 [INFO] [stderr] Compiling brotli-decompressor v5.0.0 [INFO] [stderr] Compiling safe_arch v0.7.4 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling matrixmultiply v0.3.9 [INFO] [stderr] Compiling bincode_derive v2.0.1 [INFO] [stderr] Compiling wide v0.7.32 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling brotli v8.0.2 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling simba v0.9.0 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling proc-macro-error2 v2.0.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tabled_derive v0.10.0 [INFO] [stderr] Compiling nalgebra-macros v0.3.0 [INFO] [stderr] Compiling tabled v0.18.0 [INFO] [stderr] Compiling nalgebra v0.34.0 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling bincode v2.0.1 [INFO] [stderr] Compiling indexmap v2.10.0 [INFO] [stderr] Compiling mech-core v0.2.58 [INFO] [stderr] Compiling mech-io v0.2.58 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.07s [INFO] running `Command { std: "docker" "inspect" "de2926fd69254a33aa1cb1d0ff92466c6301be1e935284294c9bf24d34d4fcdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de2926fd69254a33aa1cb1d0ff92466c6301be1e935284294c9bf24d34d4fcdc", kill_on_drop: false }` [INFO] [stdout] de2926fd69254a33aa1cb1d0ff92466c6301be1e935284294c9bf24d34d4fcdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb6ff2d8bf65256d63dd0539734e356ec4c497efdb96e27c4ef03e18aaf0e2d2 [INFO] running `Command { std: "docker" "start" "-a" "eb6ff2d8bf65256d63dd0539734e356ec4c497efdb96e27c4ef03e18aaf0e2d2", kill_on_drop: false }` [INFO] [stderr] Compiling mech-io v0.2.58 (/opt/rustwide/workdir) [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcSUtClp/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libmech_core-06d344118f4bf70e,libcrc32fast-7424665dcd68849d,libcfg_if-33ef6c02a07f9fec,libserde_json-7ccd69bf6f574888,libmemchr-2d97b38eddd0133f,libitoa-6b76ec393d6a2c41,libryu-0ea4bafc9bef6d8b,libbase64-2a03de3babadded3,libbrotli-197050b56da9d390,libbrotli_decompressor-8126f0dca5f7b4a7,liballoc_stdlib-be9175862277e1f4,liballoc_no_stdlib-06c983927188c99c,libbincode-ffee6fec781037c0,libunty-4b879f2d92d382d8,libbyteorder-1efcbe4f07366651,libindexmap-663a9e8f2cd39fdb,libequivalent-7e0e8cbe6c474a67,libhashbrown-76659aeb83761b81,libserde-5db8252c18bea1b7,libtabled-d73fdfbb3c9d4408,libpapergrid-19c4a1f9fcfaea62,libbytecount-3d074ddb37370d4d,libunicode_width-d12f1dd14779f44c,libfnv-2d77ec4f6f971b24,libnalgebra-d687838fb6c3fe21,libmatrixmultiply-7d7c7f6689bf89dc,librawpointer-a726d041f28ef5ec,libnum_rational-e5ce08a5b99a86a0,libnum_bigint-ebb3cc1f6a64b00b,libnum_integer-9098244d4c910d67,libtypenum-b636c2b461885073,libsimba-59a1a5923334c1f5,libwide-0146ca295d030193,libsafe_arch-65312329a6e10ff5,libbytemuck-dc2992fa724ecebd,libnum_complex-da63246d0f886a8e,libapprox-104bd1f28fe75ef1,libnum_traits-0bba5ce4eefc5a56,libseahash-c7c9833d5abc2ba8}.rlib" "/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/rustcSUtClp/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/mech_io-6e4ca615334982fa" "-Wl,--gc-sections" "-pie" "-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: undefined symbol: main [INFO] [stdout] >>> referenced by /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start) [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mech-io` (lib test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "eb6ff2d8bf65256d63dd0539734e356ec4c497efdb96e27c4ef03e18aaf0e2d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb6ff2d8bf65256d63dd0539734e356ec4c497efdb96e27c4ef03e18aaf0e2d2", kill_on_drop: false }` [INFO] [stdout] eb6ff2d8bf65256d63dd0539734e356ec4c497efdb96e27c4ef03e18aaf0e2d2