[INFO] fetching crate regex_generate 0.2.1...
[INFO] testing regex_generate-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate regex_generate 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate regex_generate 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/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" "+1.55.0" "fetch" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c76eee4f2409cf79313ac71ef5f07ddc6a36725c12fc107cef1702512bdc649
[INFO] running `Command { std: "docker" "start" "-a" "1c76eee4f2409cf79313ac71ef5f07ddc6a36725c12fc107cef1702512bdc649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c76eee4f2409cf79313ac71ef5f07ddc6a36725c12fc107cef1702512bdc649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c76eee4f2409cf79313ac71ef5f07ddc6a36725c12fc107cef1702512bdc649", kill_on_drop: false }`
[INFO] [stdout] 1c76eee4f2409cf79313ac71ef5f07ddc6a36725c12fc107cef1702512bdc649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f85716d5511d8b07579d09a567c2a2c7c1d7e67e2125312396f616fdf53bf92
[INFO] running `Command { std: "docker" "start" "-a" "8f85716d5511d8b07579d09a567c2a2c7c1d7e67e2125312396f616fdf53bf92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[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 9.38s
[INFO] running `Command { std: "docker" "inspect" "8f85716d5511d8b07579d09a567c2a2c7c1d7e67e2125312396f616fdf53bf92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f85716d5511d8b07579d09a567c2a2c7c1d7e67e2125312396f616fdf53bf92", kill_on_drop: false }`
[INFO] [stdout] 8f85716d5511d8b07579d09a567c2a2c7c1d7e67e2125312396f616fdf53bf92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1abddbe4a1b7f5b55d775a7d15dac40401920926b482a417dd26b2b31e97126
[INFO] running `Command { std: "docker" "start" "-a" "b1abddbe4a1b7f5b55d775a7d15dac40401920926b482a417dd26b2b31e97126", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[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 9.89s
[INFO] running `Command { std: "docker" "inspect" "b1abddbe4a1b7f5b55d775a7d15dac40401920926b482a417dd26b2b31e97126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1abddbe4a1b7f5b55d775a7d15dac40401920926b482a417dd26b2b31e97126", kill_on_drop: false }`
[INFO] [stdout] b1abddbe4a1b7f5b55d775a7d15dac40401920926b482a417dd26b2b31e97126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 538e7aa6ca12e1385de26f59c2ba31d5a857020f73b9e6b1b6694b235630beba
[INFO] running `Command { std: "docker" "start" "-a" "538e7aa6ca12e1385de26f59c2ba31d5a857020f73b9e6b1b6694b235630beba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/regex_generate-f8042ce09b3cf693)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test tests::gen_empty ... ok
[INFO] [stdout] test tests::gen_repeat_one_or_more_lazy ... ok
[INFO] [stdout] test tests::gen_repeat_range_exact_lazy ... ok
[INFO] [stdout] test tests::gen_repeat_zero_or_one_lazy ... ok
[INFO] [stdout] test tests::gen_repeat_zero_or_more_lazy ... ok
[INFO] [stdout] test tests::gen_alternate ... ok
[INFO] [stdout] test tests::gen_literal ... ok
[INFO] [stdout] test tests::gen_group ... ok
[INFO] [stdout] test tests::gen_not_word_boundary ... ok
[INFO] [stdout] test tests::gen_class ... ok
[INFO] [stdout] test tests::gen_start_end_text_empty ... ok
[INFO] [stdout] test tests::gen_repeat_range_exact ... ok
[INFO] [stdout] test tests::gen_concat ... ok
[INFO] [stdout] test tests::gen_repeat_zero_or_one ... ok
[INFO] [stdout] test tests::gen_any_no_newline ... ok
[INFO] [stdout] test tests::gen_repeat_range_lazy ... ok
[INFO] [stdout] test tests::gen_any ... ok
[INFO] [stdout] test tests::gen_start_end_text ... ok
[INFO] [stdout] test tests::gen_repeat_range_open_lazy ... ok
[INFO] [stdout] test tests::gen_start_end_line ... ok
[INFO] [stdout] test tests::gen_repeat_range ... ok
[INFO] [stdout] test tests::gen_start_end_text_always ... ok
[INFO] [stdout] test tests::gen_word_boundary ... ok
[INFO] [stdout] test tests::gen_repeat_zero_or_more ... ok
[INFO] [stdout] test tests::gen_repeat_one_or_more ... ok
[INFO] [stdout] test tests::gen_repeat_range_open ... ok
[INFO] [stdout] test tests::gen_complex ... 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] [stderr]    Doc-tests regex_generate
[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; finished in 12.65s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "538e7aa6ca12e1385de26f59c2ba31d5a857020f73b9e6b1b6694b235630beba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "538e7aa6ca12e1385de26f59c2ba31d5a857020f73b9e6b1b6694b235630beba", kill_on_drop: false }`
[INFO] [stdout] 538e7aa6ca12e1385de26f59c2ba31d5a857020f73b9e6b1b6694b235630beba