[INFO] cloning repository https://github.com/JPMoresmau/ezregexp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JPMoresmau/ezregexp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPMoresmau%2Fezregexp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPMoresmau%2Fezregexp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f64f44b4b6b21b4934933a37662feb347738595e
[INFO] testing JPMoresmau/ezregexp against 1.55.0 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPMoresmau%2Fezregexp" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JPMoresmau/ezregexp 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 git repo https://github.com/JPMoresmau/ezregexp
[INFO] finished tweaking git repo https://github.com/JPMoresmau/ezregexp
[INFO] tweaked toml for git repo https://github.com/JPMoresmau/ezregexp written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/JPMoresmau/ezregexp 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] d33899a855867c4c4b384dd52782c6332ae0befa8180cbfc2a4b665d55126b5e
[INFO] running `Command { std: "docker" "start" "-a" "d33899a855867c4c4b384dd52782c6332ae0befa8180cbfc2a4b665d55126b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33899a855867c4c4b384dd52782c6332ae0befa8180cbfc2a4b665d55126b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33899a855867c4c4b384dd52782c6332ae0befa8180cbfc2a4b665d55126b5e", kill_on_drop: false }`
[INFO] [stdout] d33899a855867c4c4b384dd52782c6332ae0befa8180cbfc2a4b665d55126b5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 64ccef10b63cb21519f4fafeb7aad76c3ad314949782acf9bdaed81e88e5dccb
[INFO] running `Command { std: "docker" "start" "-a" "64ccef10b63cb21519f4fafeb7aad76c3ad314949782acf9bdaed81e88e5dccb", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling ezregexp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/builder.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 .intersperse(&Pattern::Raw("|".to_owned()))
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "64ccef10b63cb21519f4fafeb7aad76c3ad314949782acf9bdaed81e88e5dccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ccef10b63cb21519f4fafeb7aad76c3ad314949782acf9bdaed81e88e5dccb", kill_on_drop: false }`
[INFO] [stdout] 64ccef10b63cb21519f4fafeb7aad76c3ad314949782acf9bdaed81e88e5dccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] cbc870fa175e623cf8a7053cdaf3d66f5ba4fd8aafe0ac69209a2e4c6c3f6423
[INFO] running `Command { std: "docker" "start" "-a" "cbc870fa175e623cf8a7053cdaf3d66f5ba4fd8aafe0ac69209a2e4c6c3f6423", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/builder.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 .intersperse(&Pattern::Raw("|".to_owned()))
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling ezregexp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/builder.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 .intersperse(&Pattern::Raw("|".to_owned()))
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.70s
[INFO] running `Command { std: "docker" "inspect" "cbc870fa175e623cf8a7053cdaf3d66f5ba4fd8aafe0ac69209a2e4c6c3f6423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc870fa175e623cf8a7053cdaf3d66f5ba4fd8aafe0ac69209a2e4c6c3f6423", kill_on_drop: false }`
[INFO] [stdout] cbc870fa175e623cf8a7053cdaf3d66f5ba4fd8aafe0ac69209a2e4c6c3f6423
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 5633a132046b50bb20e65e6a2a6a156e86ea2f3759f6eef3d8626ca5b6f9f5a4
[INFO] running `Command { std: "docker" "start" "-a" "5633a132046b50bb20e65e6a2a6a156e86ea2f3759f6eef3d8626ca5b6f9f5a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/builder.rs:61:18
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 .intersperse(&Pattern::Raw("|".to_owned()))
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: `ezregexp` (lib) generated 1 warning
[INFO] [stderr] warning: `ezregexp` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ezregexp-270fd5d1dfceb761)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test builder::tests::test_basic_tocode ... ok
[INFO] [stdout] test builder::tests::test_basic_build ... ok
[INFO] [stderr]    Doc-tests ezregexp
[INFO] [stdout] test parser::tests::test_basic_explain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "5633a132046b50bb20e65e6a2a6a156e86ea2f3759f6eef3d8626ca5b6f9f5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5633a132046b50bb20e65e6a2a6a156e86ea2f3759f6eef3d8626ca5b6f9f5a4", kill_on_drop: false }`
[INFO] [stdout] 5633a132046b50bb20e65e6a2a6a156e86ea2f3759f6eef3d8626ca5b6f9f5a4