[INFO] cloning repository https://github.com/RRethy/rejects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RRethy/rejects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRRethy%2Frejects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRRethy%2Frejects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4841f398f9981c0a43750a0a2b3a82a9fadc9fe5
[INFO] testing RRethy/rejects against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRRethy%2Frejects" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RRethy/rejects 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/RRethy/rejects
[INFO] finished tweaking git repo https://github.com/RRethy/rejects
[INFO] tweaked toml for git repo https://github.com/RRethy/rejects written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/RRethy/rejects 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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] e8a94a7754dce2bd09ce33cb05c0cc8366ad7b26b8430ac05fa64084bc35544c
[INFO] running `Command { std: "docker" "start" "-a" "e8a94a7754dce2bd09ce33cb05c0cc8366ad7b26b8430ac05fa64084bc35544c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8a94a7754dce2bd09ce33cb05c0cc8366ad7b26b8430ac05fa64084bc35544c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a94a7754dce2bd09ce33cb05c0cc8366ad7b26b8430ac05fa64084bc35544c", kill_on_drop: false }`
[INFO] [stdout] e8a94a7754dce2bd09ce33cb05c0cc8366ad7b26b8430ac05fa64084bc35544c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 38320a4256efc129db755196e1a1d43aebfa68564469a2edfa5a335b98f5d39d
[INFO] running `Command { std: "docker" "start" "-a" "38320a4256efc129db755196e1a1d43aebfa68564469a2edfa5a335b98f5d39d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.24
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling rejects v0.1.0 (https://github.com/rrethy/rejects#df291483)
[INFO] [stderr]    Compiling rejects_macro v0.1.0 (https://github.com/rrethy/rejects_macro#fcf58674)
[INFO] [stderr]    Compiling rejects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/nfa.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         &self.states[from].set_out(to);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.01s
[INFO] running `Command { std: "docker" "inspect" "38320a4256efc129db755196e1a1d43aebfa68564469a2edfa5a335b98f5d39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38320a4256efc129db755196e1a1d43aebfa68564469a2edfa5a335b98f5d39d", kill_on_drop: false }`
[INFO] [stdout] 38320a4256efc129db755196e1a1d43aebfa68564469a2edfa5a335b98f5d39d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 38b94f1fb95f96e1962a629830223f12249c07197220e636af7c18e1c4a5f4f2
[INFO] running `Command { std: "docker" "start" "-a" "38b94f1fb95f96e1962a629830223f12249c07197220e636af7c18e1c4a5f4f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rejects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/nfa.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         &self.states[from].set_out(to);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/nfa.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         &self.states[from].set_out(to);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "38b94f1fb95f96e1962a629830223f12249c07197220e636af7c18e1c4a5f4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b94f1fb95f96e1962a629830223f12249c07197220e636af7c18e1c4a5f4f2", kill_on_drop: false }`
[INFO] [stdout] 38b94f1fb95f96e1962a629830223f12249c07197220e636af7c18e1c4a5f4f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 61caa714adebe8ebe1248b193d13444e030027fbe2abf36e6501accee40fc227
[INFO] running `Command { std: "docker" "start" "-a" "61caa714adebe8ebe1248b193d13444e030027fbe2abf36e6501accee40fc227", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/nfa.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         &self.states[from].set_out(to);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rejects` (lib) generated 1 warning
[INFO] [stderr] warning: `rejects` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rejects-7609b6b3a293316d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_union ... ok
[INFO] [stdout] test tests::test_invalid_regexes ... ok
[INFO] [stdout] test tests::test_valid_regexes ... ok
[INFO] [stdout] test tests::test_concatenation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rejects-a987440f97633bbc)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rejects
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/parser.rs - parser::ParserResult (line 14) ... FAILED
[INFO] [stdout] test src/parser.rs - parser::ParserResult (line 48) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/parser.rs - parser::ParserResult (line 14) stdout ----
[INFO] [stdout] error: expected identifier, found `=`
[INFO] [stdout]  --> src/parser.rs:15:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | <union>   ::= <concat>
[INFO] [stdout]   |             ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/parser.rs - parser::ParserResult (line 48) stdout ----
[INFO] [stdout] error: expected `::`, found `is`
[INFO] [stdout]  --> src/parser.rs:49:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | <term> is any utf-8 encoded character.
[INFO] [stdout]   |        ^^ expected `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/parser.rs - parser::ParserResult (line 14)
[INFO] [stdout]     src/parser.rs - parser::ParserResult (line 48)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "61caa714adebe8ebe1248b193d13444e030027fbe2abf36e6501accee40fc227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61caa714adebe8ebe1248b193d13444e030027fbe2abf36e6501accee40fc227", kill_on_drop: false }`
[INFO] [stdout] 61caa714adebe8ebe1248b193d13444e030027fbe2abf36e6501accee40fc227