[INFO] fetching crate mech-io 0.2.65...
[INFO] testing mech-io-0.2.65 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate mech-io 0.2.65 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mech-io 0.2.65
[INFO] finished tweaking crates.io crate mech-io 0.2.65
[INFO] tweaked toml for crates.io crate mech-io 0.2.65 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mech-io 0.2.65 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mech-io 0.2.65 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlibc v1.0.0
[INFO] [stderr]   Downloaded tabled_derive v0.10.0
[INFO] [stderr]   Downloaded nalgebra-macros v0.3.0
[INFO] [stderr]   Downloaded safe_arch v0.7.4
[INFO] [stderr]   Downloaded papergrid v0.14.0
[INFO] [stderr]   Downloaded simba v0.9.1
[INFO] [stderr]   Downloaded wide v0.7.33
[INFO] [stderr]   Downloaded glam v0.17.3
[INFO] [stderr]   Downloaded mech-core v0.2.65
[INFO] [stderr]   Downloaded glam v0.14.0
[INFO] [stderr]   Downloaded glam v0.20.5
[INFO] [stderr]   Downloaded glam v0.19.0
[INFO] [stderr]   Downloaded glam v0.15.2
[INFO] [stderr]   Downloaded tabled v0.18.0
[INFO] [stderr]   Downloaded glam v0.21.3
[INFO] [stderr]   Downloaded glam v0.22.0
[INFO] [stderr]   Downloaded glam v0.23.0
[INFO] [stderr]   Downloaded glam v0.16.0
[INFO] [stderr]   Downloaded glam v0.24.2
[INFO] [stderr]   Downloaded glam v0.27.0
[INFO] [stderr]   Downloaded glam v0.25.0
[INFO] [stderr]   Downloaded glam v0.18.0
[INFO] [stderr]   Downloaded glam v0.29.3
[INFO] [stderr]   Downloaded glam v0.28.0
[INFO] [stderr]   Downloaded glam v0.30.9
[INFO] [stderr]   Downloaded nalgebra v0.34.1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44f6ecb2f855fddab3d0d96050d9023c2da8c7dd9eb1d655674278ad57369156
[INFO] running `Command { std: "docker" "start" "-a" "44f6ecb2f855fddab3d0d96050d9023c2da8c7dd9eb1d655674278ad57369156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44f6ecb2f855fddab3d0d96050d9023c2da8c7dd9eb1d655674278ad57369156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f6ecb2f855fddab3d0d96050d9023c2da8c7dd9eb1d655674278ad57369156", kill_on_drop: false }`
[INFO] [stdout] 44f6ecb2f855fddab3d0d96050d9023c2da8c7dd9eb1d655674278ad57369156
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50c4719a03eca7baf202bddb4e0ba2c9012da182527e289169c95e8fcc9a133f
[INFO] running `Command { std: "docker" "start" "-a" "50c4719a03eca7baf202bddb4e0ba2c9012da182527e289169c95e8fcc9a133f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling papergrid v0.14.0
[INFO] [stderr]    Compiling tabled_derive v0.10.0
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling nalgebra-macros v0.3.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling tabled v0.18.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling inventory v0.3.21
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling nalgebra v0.34.1
[INFO] [stderr]    Compiling mech-core v0.2.65
[INFO] [stderr]    Compiling mech-io v0.2.65 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "50c4719a03eca7baf202bddb4e0ba2c9012da182527e289169c95e8fcc9a133f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c4719a03eca7baf202bddb4e0ba2c9012da182527e289169c95e8fcc9a133f", kill_on_drop: false }`
[INFO] [stdout] 50c4719a03eca7baf202bddb4e0ba2c9012da182527e289169c95e8fcc9a133f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd2159ee3fdcf335736d0d713bb754be0074b30e032fa9b7f5af4ad3b0903be4
[INFO] running `Command { std: "docker" "start" "-a" "bd2159ee3fdcf335736d0d713bb754be0074b30e032fa9b7f5af4ad3b0903be4", kill_on_drop: false }`
[INFO] [stderr]    Compiling mech-io v0.2.65 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `mech-io` (lib test) due to 1 previous error
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcYXgGl5/symbols.o" "<9 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libmech_core-fae7b230fd1d266a,libcrc32fast-dd4d00f496d54ff6,libcfg_if-5af52f617df93f8f,libserde_json-0fe82311332d23cb,libmemchr-f04d4ed0ff57c3c8,libitoa-6b76ec393d6a2c41,libryu-0ea4bafc9bef6d8b,libbase64-2a03de3babadded3,libbrotli-197050b56da9d390,libbrotli_decompressor-8126f0dca5f7b4a7,liballoc_stdlib-be9175862277e1f4,liballoc_no_stdlib-06c983927188c99c,libbincode-dbd48824f2b8bf3b,libunty-4b879f2d92d382d8,libinventory-8350feb1c29496df,libbyteorder-1efcbe4f07366651,libindexmap-967b120d968ca2ac,libequivalent-7e0e8cbe6c474a67,libhashbrown-39a1ad584b454bfa,libserde-0c93fc0f7a82a48e,libserde_core-48921fa965a1c84f,libtabled-dc836bc398a2f06a,libpapergrid-e6d6545086c100ba,libbytecount-3d074ddb37370d4d,libunicode_width-11318280e9097d13,libfnv-2d77ec4f6f971b24,libnalgebra-a4bd25db19014536,libmatrixmultiply-f172dd8b9bd113dd,librawpointer-a726d041f28ef5ec,libnum_rational-c4e110946d6159f5,libnum_bigint-17e9eb990ea39a45,libnum_integer-ad11d624cd16914d,libtypenum-5940090dfdb1430b,libsimba-fc5b14b09f6228b0,libwide-800fbac21313ab7f,libsafe_arch-f8acdd78f0962f0c,libbytemuck-fe571f4439465e4d,libnum_complex-2ee08ecb9f635fe8,libapprox-976185812a8e90b1,libnum_traits-85b63d4f2b0f532f,libseahash-c7c9833d5abc2ba8}.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/rustcYXgGl5/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/mech_io-5ccfee48cabc9ef0" "-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] running `Command { std: "docker" "inspect" "bd2159ee3fdcf335736d0d713bb754be0074b30e032fa9b7f5af4ad3b0903be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd2159ee3fdcf335736d0d713bb754be0074b30e032fa9b7f5af4ad3b0903be4", kill_on_drop: false }`
[INFO] [stdout] bd2159ee3fdcf335736d0d713bb754be0074b30e032fa9b7f5af4ad3b0903be4