[INFO] fetching crate cargo-xbuild 0.6.6...
[INFO] testing cargo-xbuild-0.6.6 against try#a40ec913238f4f188d97c41aa605cb486451acf2+target=i686-unknown-linux-musl for musl_1_2_upgrade_i686_unknown_linux_musl
[INFO] extracting crate cargo-xbuild 0.6.6 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate cargo-xbuild 0.6.6 on toolchain a40ec913238f4f188d97c41aa605cb486451acf2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-xbuild 0.6.6
[INFO] finished tweaking crates.io crate cargo-xbuild 0.6.6
[INFO] tweaked toml for crates.io crate cargo-xbuild 0.6.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-xbuild 0.6.6 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" "+a40ec913238f4f188d97c41aa605cb486451acf2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00bf4ffe096727dfb6bf1dc314a230552b061c35bd12b85816ba261b2aeb967d
[INFO] running `Command { std: "docker" "start" "-a" "00bf4ffe096727dfb6bf1dc314a230552b061c35bd12b85816ba261b2aeb967d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00bf4ffe096727dfb6bf1dc314a230552b061c35bd12b85816ba261b2aeb967d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00bf4ffe096727dfb6bf1dc314a230552b061c35bd12b85816ba261b2aeb967d", kill_on_drop: false }`
[INFO] [stdout] 00bf4ffe096727dfb6bf1dc314a230552b061c35bd12b85816ba261b2aeb967d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4a3c734ce4027d1d87223f95b616bd74e2d247eef50ee1aae876e78a62823498
[INFO] running `Command { std: "docker" "start" "-a" "4a3c734ce4027d1d87223f95b616bd74e2d247eef50ee1aae876e78a62823498", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cargo-xbuild v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling cargo_metadata v0.11.4
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:204:77
[INFO] [stdout]     |
[INFO] [stdout] 204 |               error and will cause build scripts of dependencies to break.\n\n\
[INFO] [stdout]     |  _____________________________________________________________________________^
[INFO] [stdout] 205 | |
[INFO] [stdout] 206 | |             To build for the target system either pass a `--target` argument or \
[INFO] [stdout]     | |____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m32" "-Wl,-melf_i386" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/self-contained/crt1.o" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/self-contained/crti.o" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/self-contained/crtbegin.o" "/tmp/rustcf0Q9lQ/symbols.o" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/cargo_xtest-1f6b2c4df444d2a5.cargo_xtest.7d2ca39f-cgu.0.rcgu.o" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/cargo_xtest-1f6b2c4df444d2a5.cargo_xtest.7d2ca39f-cgu.1.rcgu.o" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/cargo_xtest-1f6b2c4df444d2a5.cargo_xtest.7d2ca39f-cgu.2.rcgu.o" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/cargo_xtest-1f6b2c4df444d2a5.cargo_xtest.7d2ca39f-cgu.3.rcgu.o" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/cargo_xtest-1f6b2c4df444d2a5.cargo_xtest.7d2ca39f-cgu.4.rcgu.o" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/cargo_xtest-1f6b2c4df444d2a5.4tia1qu7tfxp4eg1.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib" "-Wl,-Bstatic" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libxargo_lib-63ae383e68fa1d74.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libcargo_metadata-5afe799b96c97f55.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libsemver-84c3aea93aef4687.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libwalkdir-470eec649d91651e.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libsame_file-7896f44074a656c9.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libtempfile-62177b5099b944a4.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/librand-ace3f48658ceb448.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/librand_chacha-be9e8e6e485fe6d2.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libppv_lite86-4857188f92f8e5bd.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/librand_core-c4f5675757cf22b1.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libgetrandom-1b2b3718779c78cb.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/liblibc-5b06c2dc63b11ab9.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libremove_dir_all-69696f9fdc9904be.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libcfg_if-98697dbad921c55d.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libserde_json-699499fe807896ef.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libryu-003a9b0dfb73bd70.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libitoa-8eccd5c716421084.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libtoml-ef7746581a423e6f.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libserde-8d0a7a91743f9384.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/librustc_version-78dac243c30b95ea.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libsemver-65a4d9c13f87f5f6.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libsemver_parser-67868abe7fd29c6a.rlib" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libanyhow-7188aba28d5b742d.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libstd-e0a2ae9b73093824.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libpanic_unwind-b58e39fe63cb5ee4.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libobject-db05b69565d930a5.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libmemchr-9ae37c6027ee0c7e.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libaddr2line-b4c9a1ec35bfabab.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libgimli-5ec56763a65dc634.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/librustc_demangle-1d18d0f94f3052e3.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libstd_detect-db3bd1faf2c777e2.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libhashbrown-929c8081d27591a5.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libminiz_oxide-e96682bb5fbc7a97.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libadler-8c7baa0639b231b4.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/librustc_std_workspace_alloc-d8d000028d215150.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libunwind-c7f267171c6cfa37.rlib" "-lunwind" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libcfg_if-88a56aead7977661.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/liblibc-0e6d2d8133f34135.rlib" "-lc" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/liballoc-e8fcd1707eff32d9.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/librustc_std_workspace_core-6ca2f4ada9976318.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libcore-4e89f6dae500b25b.rlib" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/libcompiler_builtins-82e6aa13a9810603.rlib" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-nostartfiles" "-L" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib" "-L" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/self-contained" "-o" "/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/cargo_xtest-1f6b2c4df444d2a5" "-Wl,--gc-sections" "-static" "-no-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/self-contained/crtend.o" "/opt/rustwide/rustup-home/toolchains/a40ec913238f4f188d97c41aa605cb486451acf2/lib/rustlib/i686-unknown-linux-musl/lib/self-contained/crtn.o"
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 9 [Killed]
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-xbuild` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4a3c734ce4027d1d87223f95b616bd74e2d247eef50ee1aae876e78a62823498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3c734ce4027d1d87223f95b616bd74e2d247eef50ee1aae876e78a62823498", kill_on_drop: false }`
[INFO] [stdout] 4a3c734ce4027d1d87223f95b616bd74e2d247eef50ee1aae876e78a62823498