[INFO] fetching crate what 0.5.1...
[INFO] checking what-0.5.1 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate what 0.5.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate what 0.5.1 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate what 0.5.1
[INFO] finished tweaking crates.io crate what 0.5.1
[INFO] tweaked toml for crates.io crate what 0.5.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate what 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_transport v0.23.0
[INFO] [stderr]   Downloaded pnet_sys v0.23.0
[INFO] [stderr]   Downloaded pnet_base v0.23.0
[INFO] [stderr]   Downloaded packet-builder v0.4.0
[INFO] [stderr]   Downloaded pnet v0.23.0
[INFO] [stderr]   Downloaded pnet_packet v0.23.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.23.0
[INFO] [stderr]   Downloaded procfs v0.7.4
[INFO] [stderr]   Downloaded pnet_datalink v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25d21cd27366d77e033417ffe81c230485f0e7b3b7af20bc3cd3619f6f36bc18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25d21cd27366d77e033417ffe81c230485f0e7b3b7af20bc3cd3619f6f36bc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25d21cd27366d77e033417ffe81c230485f0e7b3b7af20bc3cd3619f6f36bc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d21cd27366d77e033417ffe81c230485f0e7b3b7af20bc3cd3619f6f36bc18", kill_on_drop: false }`
[INFO] [stdout] 25d21cd27366d77e033417ffe81c230485f0e7b3b7af20bc3cd3619f6f36bc18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c2d430ad8fc29b373b843cc575cf474b28f2a63eeec75c01ac9a30dd193094f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c2d430ad8fc29b373b843cc575cf474b28f2a63eeec75c01ac9a30dd193094f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking pnet_base v0.23.0
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking bytes v0.5.0
[INFO] [stderr]    Compiling pnet v0.23.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking pnet_macros_support v0.23.0
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking pnet_sys v0.23.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking tui v0.5.1
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking tokio v0.2.2
[INFO] [stderr]     Checking console v0.8.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking procfs v0.7.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling async-trait v0.1.21
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr] error: could not compile `syntex_syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syntex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.42.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=0fcb9d601523071e -C extra-filename=-0fcb9d601523071e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-c4af7d86e4881c12.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-2791035cf8f71fb1.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-60753cb678951db8.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-d833c3470fa60f44.rmeta --extern syntex_errors=/opt/rustwide/target/debug/deps/libsyntex_errors-b2d719808bcf9250.rmeta --extern syntex_pos=/opt/rustwide/target/debug/deps/libsyntex_pos-4f90fda44e42ac10.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-5987de33cf4cc5da.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3774ac60cf47559b.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: signal: 9
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.async_trait.ohweq9vq-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libasync_trait-0e5f51a37baa1587.so" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.4o6z31gfvk6ksb9q.rcgu.o" "/opt/rustwide/target/debug/deps/async_trait-0e5f51a37baa1587.213jlz6j4gdkb5r9.rcgu.o" "-Wl,--gc-sections" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsyn-e6a0d7c0e3a8080d.rlib" "/opt/rustwide/target/debug/deps/libquote-b26da9ca8e783462.rlib" "/opt/rustwide/target/debug/deps/libproc_macro2-baf25f0e540a00d9.rlib" "/opt/rustwide/target/debug/deps/libunicode_xid-6181e2f2fb8255ce.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-24e12365e108b9bb.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-719fbbcc5aa10d9e.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-2b8f8dc3a13041a6.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-dec35b3159638863.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-54ba75ba19df3515.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-b4e081b17e50a5f3.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-e696cf3aebf90283.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9508c34f45c1407.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-fe83234631186fa0.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-06fdbacd679dd9b7.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2c834b52f045959b.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e184778e97c2340a.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4a28d8f1751385f2.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-108e5e911ebb4fc8.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-d74f3c28111d31b0.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f6fccc8824a0c5ae.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0c2d430ad8fc29b373b843cc575cf474b28f2a63eeec75c01ac9a30dd193094f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2d430ad8fc29b373b843cc575cf474b28f2a63eeec75c01ac9a30dd193094f", kill_on_drop: false }`
[INFO] [stdout] 0c2d430ad8fc29b373b843cc575cf474b28f2a63eeec75c01ac9a30dd193094f