[INFO] fetching crate regex_generate 0.2.1...
[INFO] testing regex_generate-0.2.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate regex_generate 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate regex_generate 0.2.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regex_generate 0.2.1
[INFO] finished tweaking crates.io crate regex_generate 0.2.1
[INFO] tweaked toml for crates.io crate regex_generate 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate regex_generate 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 277ef28e9a8533f278d854565a8306a5011106d70df170e633598c5f35b88c7d
[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" "277ef28e9a8533f278d854565a8306a5011106d70df170e633598c5f35b88c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "277ef28e9a8533f278d854565a8306a5011106d70df170e633598c5f35b88c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277ef28e9a8533f278d854565a8306a5011106d70df170e633598c5f35b88c7d", kill_on_drop: false }`
[INFO] [stdout] 277ef28e9a8533f278d854565a8306a5011106d70df170e633598c5f35b88c7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9adab46a09014d97eeb55af5915f122df7103a4bbf517b3a8611427d293068e6
[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" "9adab46a09014d97eeb55af5915f122df7103a4bbf517b3a8611427d293068e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling regex_generate v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "9adab46a09014d97eeb55af5915f122df7103a4bbf517b3a8611427d293068e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adab46a09014d97eeb55af5915f122df7103a4bbf517b3a8611427d293068e6", kill_on_drop: false }`
[INFO] [stdout] 9adab46a09014d97eeb55af5915f122df7103a4bbf517b3a8611427d293068e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e05516377dc083bd0c5483024d5d715ddacbc28cfd8b883ad2b7e9cb239b5f0
[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" "1e05516377dc083bd0c5483024d5d715ddacbc28cfd8b883ad2b7e9cb239b5f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling regex_generate v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `Command { std: "docker" "inspect" "1e05516377dc083bd0c5483024d5d715ddacbc28cfd8b883ad2b7e9cb239b5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e05516377dc083bd0c5483024d5d715ddacbc28cfd8b883ad2b7e9cb239b5f0", kill_on_drop: false }`
[INFO] [stdout] 1e05516377dc083bd0c5483024d5d715ddacbc28cfd8b883ad2b7e9cb239b5f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 516e973d1d448a7ea1781dfbed0a6146695858f380babdeae60aa1de5869cba0
[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" "516e973d1d448a7ea1781dfbed0a6146695858f380babdeae60aa1de5869cba0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/regex_generate-1cb2996aa3cb139f
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test tests::gen_empty ... ok
[INFO] [stdout] test tests::gen_class ... ok
[INFO] [stdout] test tests::gen_group ... ok
[INFO] [stdout] test tests::gen_literal ... ok
[INFO] [stdout] test tests::gen_not_word_boundary ... ok
[INFO] [stdout] test tests::gen_repeat_range_exact_lazy ... ok
[INFO] [stdout] test tests::gen_any ... ok
[INFO] [stdout] test tests::gen_repeat_one_or_more_lazy ... ok
[INFO] [stdout] test tests::gen_alternate ... ok
[INFO] [stdout] test tests::gen_repeat_range_exact ... ok
[INFO] [stdout] test tests::gen_any_no_newline ... ok
[INFO] [stdout] test tests::gen_concat ... ok
[INFO] [stdout] test tests::gen_repeat_zero_or_more_lazy ... ok
[INFO] [stdout] test tests::gen_repeat_range_lazy ... ok
[INFO] [stdout] test tests::gen_start_end_line ... ok
[INFO] [stdout] test tests::gen_repeat_zero_or_one_lazy ... ok
[INFO] [stdout] test tests::gen_start_end_text ... ok
[INFO] [stdout] test tests::gen_repeat_range ... ok
[INFO] [stdout] test tests::gen_repeat_zero_or_one ... ok
[INFO] [stdout] test tests::gen_repeat_range_open_lazy ... ok
[INFO] [stdout] test tests::gen_start_end_text_always ... ok
[INFO] [stdout] test tests::gen_start_end_text_empty ... ok
[INFO] [stdout] test tests::gen_word_boundary ... ok
[INFO] [stdout] test tests::gen_complex ... ok
[INFO] [stdout] test tests::gen_repeat_one_or_more ... ok
[INFO] [stdout] test tests::gen_repeat_zero_or_more ... ok
[INFO] [stdout] test tests::gen_repeat_range_open ... ok
[INFO] [stdout] test tests::gen_ascii_classes ... ok
[INFO] [stdout] test tests::gen_unicode_script_classes ... ok
[INFO] [stdout] test tests::gen_unicode_classes ... ok
[INFO] [stdout] test tests::gen_perl_classes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests regex_generate
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "516e973d1d448a7ea1781dfbed0a6146695858f380babdeae60aa1de5869cba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516e973d1d448a7ea1781dfbed0a6146695858f380babdeae60aa1de5869cba0", kill_on_drop: false }`
[INFO] [stdout] 516e973d1d448a7ea1781dfbed0a6146695858f380babdeae60aa1de5869cba0