[INFO] cloning repository https://github.com/thomascastleman/lex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomascastleman/lex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomascastleman%2Flex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomascastleman%2Flex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d2d3c466d1891b6275809a5fec99b312d7a06f0
[INFO] testing thomascastleman/lex against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomascastleman%2Flex" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomascastleman/lex on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomascastleman/lex
[INFO] finished tweaking git repo https://github.com/thomascastleman/lex
[INFO] tweaked toml for git repo https://github.com/thomascastleman/lex written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thomascastleman/lex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd09b1f83de93bcdd9a28c477e8a5df8ac0d1bb0b2f2d300eeffcd0a652d4cc1
[INFO] running `Command { std: "docker" "start" "-a" "dd09b1f83de93bcdd9a28c477e8a5df8ac0d1bb0b2f2d300eeffcd0a652d4cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd09b1f83de93bcdd9a28c477e8a5df8ac0d1bb0b2f2d300eeffcd0a652d4cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd09b1f83de93bcdd9a28c477e8a5df8ac0d1bb0b2f2d300eeffcd0a652d4cc1", kill_on_drop: false }`
[INFO] [stdout] dd09b1f83de93bcdd9a28c477e8a5df8ac0d1bb0b2f2d300eeffcd0a652d4cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78880254b54a081e33d19d0aecb7bcf221956b645afbe43741e2090c7fd6b5dd
[INFO] running `Command { std: "docker" "start" "-a" "78880254b54a081e33d19d0aecb7bcf221956b645afbe43741e2090c7fd6b5dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling lex v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "78880254b54a081e33d19d0aecb7bcf221956b645afbe43741e2090c7fd6b5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78880254b54a081e33d19d0aecb7bcf221956b645afbe43741e2090c7fd6b5dd", kill_on_drop: false }`
[INFO] [stdout] 78880254b54a081e33d19d0aecb7bcf221956b645afbe43741e2090c7fd6b5dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4a4dd88397aa5188cb9ab69de7a3189c861e1c55e147689e939adb710bf8580
[INFO] running `Command { std: "docker" "start" "-a" "e4a4dd88397aa5188cb9ab69de7a3189c861e1c55e147689e939adb710bf8580", kill_on_drop: false }`
[INFO] [stderr]    Compiling lex v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Regex` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |     use super::*;
[INFO] [stdout]     |         -------- the item `Regex` is already imported here
[INFO] [stdout] 247 |     use regex::Regex;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "e4a4dd88397aa5188cb9ab69de7a3189c861e1c55e147689e939adb710bf8580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a4dd88397aa5188cb9ab69de7a3189c861e1c55e147689e939adb710bf8580", kill_on_drop: false }`
[INFO] [stdout] e4a4dd88397aa5188cb9ab69de7a3189c861e1c55e147689e939adb710bf8580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6526b35486b180428deb5cec8e62a07415b8881e4ae3580dc83ff349d5c2da29
[INFO] running `Command { std: "docker" "start" "-a" "6526b35486b180428deb5cec8e62a07415b8881e4ae3580dc83ff349d5c2da29", kill_on_drop: false }`
[INFO] [stderr] warning: the item `Regex` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |     use super::*;
[INFO] [stderr]     |         -------- the item `Regex` is already imported here
[INFO] [stderr] 247 |     use regex::Regex;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lex` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lex-2b666a546a12a9dc)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::errors_on_invalid_token ... ok
[INFO] [stdout] test tests::simple_token_repr ... ok
[INFO] [stdout] test tests::more_complex_token_repr ... ok
[INFO] [stdout] test tests::panics_on_no_patterns - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lex
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Lexer<'a,Token>::new (line 130) ... ok
[INFO] [stdout] test src/lib.rs - Rule<'a,Token>::new (line 102) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/lib.rs - Lexer<'a,Token>::lex (line 155) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6526b35486b180428deb5cec8e62a07415b8881e4ae3580dc83ff349d5c2da29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6526b35486b180428deb5cec8e62a07415b8881e4ae3580dc83ff349d5c2da29", kill_on_drop: false }`
[INFO] [stdout] 6526b35486b180428deb5cec8e62a07415b8881e4ae3580dc83ff349d5c2da29