[INFO] crate structopt-flags 0.3.5 is already in cache
[INFO] testing structopt-flags-0.3.5 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate structopt-flags 0.3.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate structopt-flags 0.3.5 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate structopt-flags 0.3.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate structopt-flags 0.3.5
[INFO] tweaked toml for crates.io crate structopt-flags 0.3.5 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b09f1a8bd8874e4fc5f5985f48b4f13bf78eeaa9fec2bb0a30284633e9b75339
[INFO] running `"docker" "start" "-a" "b09f1a8bd8874e4fc5f5985f48b4f13bf78eeaa9fec2bb0a30284633e9b75339"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 syn-mid v0.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-flags v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.52s
[INFO] running `"docker" "inspect" "b09f1a8bd8874e4fc5f5985f48b4f13bf78eeaa9fec2bb0a30284633e9b75339"`
[INFO] running `"docker" "rm" "-f" "b09f1a8bd8874e4fc5f5985f48b4f13bf78eeaa9fec2bb0a30284633e9b75339"`
[INFO] [stdout] b09f1a8bd8874e4fc5f5985f48b4f13bf78eeaa9fec2bb0a30284633e9b75339
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cab281b2b91a0b657d3f8cf3f6c014b9a0fffb08451a7c1023152ac074cb35d9
[INFO] running `"docker" "start" "-a" "cab281b2b91a0b657d3f8cf3f6c014b9a0fffb08451a7c1023152ac074cb35d9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling structopt-flags v0.3.5 (/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 --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=f63b3082554bc63d -C extra-filename=-f63b3082554bc63d --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-060a41cf8473669c.rlib --extern escargot=/opt/rustwide/target/debug/deps/libescargot-b95da636f4ac7d1c.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-958bfb198262a275.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-c709ae7ff9aa4321.rlib --extern predicates=/opt/rustwide/target/debug/deps/libpredicates-e41900401f7a98a7.rlib --extern skeptic=/opt/rustwide/target/debug/deps/libskeptic-a0d099024a6be0df.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-3de61f80f2360c6b.rlib --extern structopt_flags=/opt/rustwide/target/debug/deps/libstructopt_flags-2c2022331f21e83d.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cab281b2b91a0b657d3f8cf3f6c014b9a0fffb08451a7c1023152ac074cb35d9"`
[INFO] running `"docker" "rm" "-f" "cab281b2b91a0b657d3f8cf3f6c014b9a0fffb08451a7c1023152ac074cb35d9"`
[INFO] [stdout] cab281b2b91a0b657d3f8cf3f6c014b9a0fffb08451a7c1023152ac074cb35d9