[INFO] fetching crate structopt-flags 0.3.6...
[INFO] testing structopt-flags-0.3.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate structopt-flags 0.3.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate structopt-flags 0.3.6 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structopt-flags 0.3.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate structopt-flags 0.3.6
[INFO] tweaked toml for crates.io crate structopt-flags 0.3.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate structopt-flags 0.3.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0a50a770a23e9bf7730785c4c135bcf35d31bdc43ce805d3d20b78017751d083
[INFO] running `Command { std: "docker" "start" "-a" "0a50a770a23e9bf7730785c4c135bcf35d31bdc43ce805d3d20b78017751d083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a50a770a23e9bf7730785c4c135bcf35d31bdc43ce805d3d20b78017751d083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a50a770a23e9bf7730785c4c135bcf35d31bdc43ce805d3d20b78017751d083", kill_on_drop: false }`
[INFO] [stdout] 0a50a770a23e9bf7730785c4c135bcf35d31bdc43ce805d3d20b78017751d083
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94414c3e6f401110c9a30b6b342a9023959911cd2a56e979b71a0af5c7c67ac3
[INFO] running `Command { std: "docker" "start" "-a" "94414c3e6f401110c9a30b6b342a9023959911cd2a56e979b71a0af5c7c67ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling structopt-flags v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "94414c3e6f401110c9a30b6b342a9023959911cd2a56e979b71a0af5c7c67ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94414c3e6f401110c9a30b6b342a9023959911cd2a56e979b71a0af5c7c67ac3", kill_on_drop: false }`
[INFO] [stdout] 94414c3e6f401110c9a30b6b342a9023959911cd2a56e979b71a0af5c7c67ac3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4adbd5fd08207ea6cb8433f8ddf423802ad5d9ae7d1b626203603a3a2dadee76
[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" "4adbd5fd08207ea6cb8433f8ddf423802ad5d9ae7d1b626203603a3a2dadee76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates v1.0.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling structopt-flags v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `structopt-flags`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name config_no_default --edition=2018 examples/config_no_default.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=ade10624490a8a8e -C extra-filename=-ade10624490a8a8e --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-b8c2425dc01323d4.rlib --extern escargot=/opt/rustwide/target/debug/deps/libescargot-880fbcf33fabc631.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-c1f85fa192ae0f78.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-bdf824d35c2a3095.rlib --extern predicates=/opt/rustwide/target/debug/deps/libpredicates-1348ea24ed606a09.rlib --extern skeptic=/opt/rustwide/target/debug/deps/libskeptic-e9428f92d92c4eb9.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-2fea96098648b0f3.rlib --extern structopt_flags=/opt/rustwide/target/debug/deps/libstructopt_flags-d63cef68c08ba6e7.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8.skeptic.a7527999-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8.skeptic.a7527999-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8.skeptic.a7527999-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8.skeptic.a7527999-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8.skeptic.a7527999-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8.skeptic.a7527999-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8.skeptic.a7527999-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8.skeptic.a7527999-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8.skeptic.a7527999-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8.skeptic.a7527999-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8.r6urd2d0w6wf2mf.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-b6a068090bf40c71.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-1c1e08c768cd8903.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-3f4474e7a3a1f53f.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-ec55ab174918e77a.rlib" "/opt/rustwide/target/debug/deps/libskeptic-e9428f92d92c4eb9.rlib" "/opt/rustwide/target/debug/deps/libwalkdir-63258c93427dff8b.rlib" "/opt/rustwide/target/debug/deps/libsame_file-068aca36718eb7b4.rlib" "/opt/rustwide/target/debug/deps/libcargo_metadata-63a0360fb841da34.rlib" "/opt/rustwide/target/debug/deps/libsemver-9291c31d1c41d443.rlib" "/opt/rustwide/target/debug/deps/libsemver_parser-a69698545817ccd8.rlib" "/opt/rustwide/target/debug/deps/libserde_json-6784767837387a5c.rlib" "/opt/rustwide/target/debug/deps/libryu-b54e014f019506d7.rlib" "/opt/rustwide/target/debug/deps/libitoa-b06d4cff304254a3.rlib" "/opt/rustwide/target/debug/deps/libserde-39f86691dbec8840.rlib" "/opt/rustwide/target/debug/deps/libbytecount-d1cd6a8ed600128d.rlib" "/opt/rustwide/target/debug/deps/libglob-5ec42ec20611790a.rlib" "/opt/rustwide/target/debug/deps/libtempdir-515eec4724bbbf1c.rlib" "/opt/rustwide/target/debug/deps/libremove_dir_all-f3614768685002bb.rlib" "/opt/rustwide/target/debug/deps/librand-d3cdb7bf2b25f708.rlib" "/opt/rustwide/target/debug/deps/libpulldown_cmark-1f764a9ae815ad08.rlib" "/opt/rustwide/target/debug/deps/libbitflags-80e93151c602d4a3.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-470eecdbadd0b2bd.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-86d25421ee733a06.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-b4089ff713ad29bb.rlib" "/opt/rustwide/target/debug/deps/libadler-9e52662b60a79489.rlib" "/opt/rustwide/target/debug/deps/libobject-bf738def5a587a1d.rlib" "/opt/rustwide/target/debug/deps/liblibc-b83b06d12d1d02d2.rlib" "/opt/rustwide/target/debug/deps/libaddr2line-ef08bd1c32fcbcf9.rlib" "/opt/rustwide/target/debug/deps/libgimli-cf38c888628b772b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-77abc38cc38d84d4.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-2678c0c792dfdf89.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-fc45202bb435016b.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f2400674c7513725.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-605c3a7d1a5d300d.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3d4fb4efa907e4e8.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-65207f030ab23308.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-76ca199cb0186109.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-1e3e01ed4f561dc1.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dd8dddcba7c13fee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-00b13d31c3420656.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e4c8460b81557bd5.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-600d46e5f0005455.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e4a08a2585b62d37.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fbc21ec567cb9dc7.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-10b3fa8e49bd978f.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64625b73694ffce7.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-fb6b78ac543a58ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1d1f2d1bec6f51b8.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-acf5ff6e9595d982.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/skeptic-4151f9a0d10093b8" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "4adbd5fd08207ea6cb8433f8ddf423802ad5d9ae7d1b626203603a3a2dadee76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4adbd5fd08207ea6cb8433f8ddf423802ad5d9ae7d1b626203603a3a2dadee76", kill_on_drop: false }`
[INFO] [stdout] 4adbd5fd08207ea6cb8433f8ddf423802ad5d9ae7d1b626203603a3a2dadee76