[INFO] cloning repository https://github.com/egli/regexp-dragon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/egli/regexp-dragon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegli%2Fregexp-dragon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegli%2Fregexp-dragon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e06044acb4863f0fb529ae8e83cd4db3ffda77c
[INFO] testing egli/regexp-dragon against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegli%2Fregexp-dragon" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/egli/regexp-dragon on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/egli/regexp-dragon
[INFO] finished tweaking git repo https://github.com/egli/regexp-dragon
[INFO] tweaked toml for git repo https://github.com/egli/regexp-dragon written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/egli/regexp-dragon 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c8116d697bbe4d2acc6184d33c2a87a990d4e5285680ff875a200736f6e97da
[INFO] running `Command { std: "docker" "start" "-a" "0c8116d697bbe4d2acc6184d33c2a87a990d4e5285680ff875a200736f6e97da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c8116d697bbe4d2acc6184d33c2a87a990d4e5285680ff875a200736f6e97da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8116d697bbe4d2acc6184d33c2a87a990d4e5285680ff875a200736f6e97da", kill_on_drop: false }`
[INFO] [stdout] 0c8116d697bbe4d2acc6184d33c2a87a990d4e5285680ff875a200736f6e97da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02349fe62c573eca1ae87d9f3eaea8b59414f68ba17e6a8212cf7bb7bdb068c7
[INFO] running `Command { std: "docker" "start" "-a" "02349fe62c573eca1ae87d9f3eaea8b59414f68ba17e6a8212cf7bb7bdb068c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling dragon-regexp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Boundary {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 26 |     Word,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 27 |     NotWord,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     Number,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 29 |     NumberWord,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     WordNumber,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     PrePattern,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 32 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Boundary` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Start`, `End`, and `Epsilon` are never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum Transition {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |     Start(Boundary),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 41 |     End(Boundary),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 42 |     Epsilon,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Transition` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Any`, `ZeroOrMore`, `Optional`, and `Either` are never constructed
[INFO] [stdout]   --> src/main.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | enum AST {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 74 |     Any,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 75 |     Concat(Box<AST>, Box<AST>),
[INFO] [stdout] 76 |     ZeroOrMore(Box<AST>),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 77 |     Optional(Box<AST>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 78 |     OneOrMore(Box<AST>),
[INFO] [stdout] 79 |     Either(Box<AST>, Box<AST>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "02349fe62c573eca1ae87d9f3eaea8b59414f68ba17e6a8212cf7bb7bdb068c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02349fe62c573eca1ae87d9f3eaea8b59414f68ba17e6a8212cf7bb7bdb068c7", kill_on_drop: false }`
[INFO] [stdout] 02349fe62c573eca1ae87d9f3eaea8b59414f68ba17e6a8212cf7bb7bdb068c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf1ea0d5b570e9fdbfaed548004f07890dfeef62a6b578c4e42d9453fd42c56
[INFO] running `Command { std: "docker" "start" "-a" "ebf1ea0d5b570e9fdbfaed548004f07890dfeef62a6b578c4e42d9453fd42c56", kill_on_drop: false }`
[INFO] [stderr]    Compiling dragon-regexp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Boundary {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 26 |     Word,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 27 |     NotWord,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     Number,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 29 |     NumberWord,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     WordNumber,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     PrePattern,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 32 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Boundary` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Start`, `End`, and `Epsilon` are never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum Transition {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |     Start(Boundary),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 41 |     End(Boundary),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 42 |     Epsilon,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Transition` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "ebf1ea0d5b570e9fdbfaed548004f07890dfeef62a6b578c4e42d9453fd42c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf1ea0d5b570e9fdbfaed548004f07890dfeef62a6b578c4e42d9453fd42c56", kill_on_drop: false }`
[INFO] [stdout] ebf1ea0d5b570e9fdbfaed548004f07890dfeef62a6b578c4e42d9453fd42c56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bcdede934c4f15417ed9f022d56f4a868328a1b1dd117eff6e4f7bd0cfb80fed
[INFO] running `Command { std: "docker" "start" "-a" "bcdede934c4f15417ed9f022d56f4a868328a1b1dd117eff6e4f7bd0cfb80fed", kill_on_drop: false }`
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | enum Boundary {
[INFO] [stderr]    |      -------- variants in this enum
[INFO] [stderr] 26 |     Word,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 27 |     NotWord,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 28 |     Number,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 29 |     NumberWord,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 30 |     WordNumber,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 31 |     PrePattern,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 32 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Boundary` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Start`, `End`, and `Epsilon` are never constructed
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | enum Transition {
[INFO] [stderr]    |      ---------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 40 |     Start(Boundary),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 41 |     End(Boundary),
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 42 |     Epsilon,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Transition` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `dragon-regexp` (bin "dragon-regexp" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dragon_regexp-065659028f8319a3)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::alteration ... ok
[INFO] [stdout] test tests::any ... ok
[INFO] [stdout] test tests::character ... ok
[INFO] [stdout] test tests::concatenation ... ok
[INFO] [stdout] test tests::kleene ... ok
[INFO] [stdout] test tests::optional ... ok
[INFO] [stdout] test tests::one_or_more ... ok
[INFO] [stdout] test tests::string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bcdede934c4f15417ed9f022d56f4a868328a1b1dd117eff6e4f7bd0cfb80fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcdede934c4f15417ed9f022d56f4a868328a1b1dd117eff6e4f7bd0cfb80fed", kill_on_drop: false }`
[INFO] [stdout] bcdede934c4f15417ed9f022d56f4a868328a1b1dd117eff6e4f7bd0cfb80fed