[INFO] fetching crate rand_regex 0.15.1...
[INFO] testing rand_regex-0.15.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate rand_regex 0.15.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rand_regex 0.15.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand_regex 0.15.1
[INFO] finished tweaking crates.io crate rand_regex 0.15.1
[INFO] tweaked toml for crates.io crate rand_regex 0.15.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9334d5adbce9fe2d0dc3532d0e00d64ff97c2b69986507f134e1defb8fde7967
[INFO] running `Command { std: "docker" "start" "-a" "9334d5adbce9fe2d0dc3532d0e00d64ff97c2b69986507f134e1defb8fde7967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9334d5adbce9fe2d0dc3532d0e00d64ff97c2b69986507f134e1defb8fde7967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9334d5adbce9fe2d0dc3532d0e00d64ff97c2b69986507f134e1defb8fde7967", kill_on_drop: false }`
[INFO] [stdout] 9334d5adbce9fe2d0dc3532d0e00d64ff97c2b69986507f134e1defb8fde7967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e637aa085b96340a10d5b989d130ea40ba2ca44fd2794ac4d873e2f19e09d99
[INFO] running `Command { std: "docker" "start" "-a" "8e637aa085b96340a10d5b989d130ea40ba2ca44fd2794ac4d873e2f19e09d99", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand_regex v0.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "8e637aa085b96340a10d5b989d130ea40ba2ca44fd2794ac4d873e2f19e09d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e637aa085b96340a10d5b989d130ea40ba2ca44fd2794ac4d873e2f19e09d99", kill_on_drop: false }`
[INFO] [stdout] 8e637aa085b96340a10d5b989d130ea40ba2ca44fd2794ac4d873e2f19e09d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bbc1172765f1d9f2c6afb6ec9e10c307f9749f49b1929b541ad44fee40f2c72
[INFO] running `Command { std: "docker" "start" "-a" "2bbc1172765f1d9f2c6afb6ec9e10c307f9749f49b1929b541ad44fee40f2c72", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rand_distr v0.4.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling rand_regex v0.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.07s
[INFO] running `Command { std: "docker" "inspect" "2bbc1172765f1d9f2c6afb6ec9e10c307f9749f49b1929b541ad44fee40f2c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bbc1172765f1d9f2c6afb6ec9e10c307f9749f49b1929b541ad44fee40f2c72", kill_on_drop: false }`
[INFO] [stdout] 2bbc1172765f1d9f2c6afb6ec9e10c307f9749f49b1929b541ad44fee40f2c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e9f779b2299c97c23fcf329d526229d96391f527c0c9e8193c26880f384860c
[INFO] running `Command { std: "docker" "start" "-a" "2e9f779b2299c97c23fcf329d526229d96391f527c0c9e8193c26880f384860c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rand_regex-4788f725b6b21375)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test::sanity_test_run_count ... ok
[INFO] [stdout] test test::test_generating_non_utf8_string - should panic ... ok
[INFO] [stdout] test test::test_regex_generate ... ok
[INFO] [stdout] test test::test_encoding_generator_3 ... ok
[INFO] [stdout] test test::test_encoding_generator_2 ... ok
[INFO] [stdout] test test::test_encoding_generator_1 ... ok
[INFO] [stdout] test test::test_ascii_character_classes ... ok
[INFO] [stdout] test test::test_unicode_cases ... ok
[INFO] [stdout] test test::test_proptest ... ok
[INFO] [stdout] test test::test_unicode_script_classes ... ok
[INFO] [stdout] test test::test_unicode_character_classes ... ok
[INFO] [stdout] test test::test_binary_generator ... ok
[INFO] [stdout] test test::test_perl_classes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.50s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rand_regex
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - Regex::capacity (line 417) ... ok
[INFO] [stdout] test src/lib.rs - Regex::compile (line 437) ... ok
[INFO] [stdout] test src/lib.rs - Error::Syntax (line 95) ... ok
[INFO] [stdout] test src/lib.rs - Regex::is_utf8 (line 388) ... ok
[INFO] [stdout] test src/lib.rs - Regex::default (line 343) ... ok
[INFO] [stdout] test src/lib.rs - Regex::is_ascii (line 369) ... ok
[INFO] [stdout] test src/lib.rs - Error (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - Error::Anchor (line 73) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e9f779b2299c97c23fcf329d526229d96391f527c0c9e8193c26880f384860c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9f779b2299c97c23fcf329d526229d96391f527c0c9e8193c26880f384860c", kill_on_drop: false }`
[INFO] [stdout] 2e9f779b2299c97c23fcf329d526229d96391f527c0c9e8193c26880f384860c