[INFO] cloning repository https://github.com/h3nnn4n/Strange-Attractor-Explorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/h3nnn4n/Strange-Attractor-Explorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2FStrange-Attractor-Explorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2FStrange-Attractor-Explorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb19b4dd66cb580aec7c5238804cc3494559652c
[INFO] checking h3nnn4n/Strange-Attractor-Explorer against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2FStrange-Attractor-Explorer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/h3nnn4n/Strange-Attractor-Explorer on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/h3nnn4n/Strange-Attractor-Explorer
[INFO] finished tweaking git repo https://github.com/h3nnn4n/Strange-Attractor-Explorer
[INFO] tweaked toml for git repo https://github.com/h3nnn4n/Strange-Attractor-Explorer written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/h3nnn4n/Strange-Attractor-Explorer 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.12
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.37
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.37
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.37
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.31
[INFO] [stderr]   Downloaded cc v1.0.30
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.37
[INFO] [stderr]   Downloaded wee_alloc v0.4.3
[INFO] [stderr]   Downloaded js-sys v0.3.14
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.37
[INFO] [stderr]   Downloaded nom v4.2.1
[INFO] [stderr]   Downloaded web-sys v0.3.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c28d1a716a6381e31d16f8d3cf4db1d8bdc475ce78fa2422aa1dd2c7c5c647f0
[INFO] running `Command { std: "docker" "start" "-a" "c28d1a716a6381e31d16f8d3cf4db1d8bdc475ce78fa2422aa1dd2c7c5c647f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c28d1a716a6381e31d16f8d3cf4db1d8bdc475ce78fa2422aa1dd2c7c5c647f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28d1a716a6381e31d16f8d3cf4db1d8bdc475ce78fa2422aa1dd2c7c5c647f0", kill_on_drop: false }`
[INFO] [stdout] c28d1a716a6381e31d16f8d3cf4db1d8bdc475ce78fa2422aa1dd2c7c5c647f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd6db7a9466c28d2863c5cbff6b67639948b7c07d485d2c2cd89d115d212e301
[INFO] running `Command { std: "docker" "start" "-a" "cd6db7a9466c28d2863c5cbff6b67639948b7c07d485d2c2cd89d115d212e301", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.37
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.37
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling nom v4.2.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.12
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.37
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.37
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.31
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.37
[INFO] [stderr]     Checking js-sys v0.3.14
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.14
[INFO] [stderr]     Checking strange-attractor-explorer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::console_error_panic_hook::set_once as set_panic_hook`
[INFO] [stdout]   --> src/utils.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub use self::console_error_panic_hook::set_once as set_panic_hook;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::console_error_panic_hook::set_once as set_panic_hook`
[INFO] [stdout]   --> src/utils.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub use self::console_error_panic_hook::set_once as set_panic_hook;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.64s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.1, wasm-bindgen v0.2.37
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "cd6db7a9466c28d2863c5cbff6b67639948b7c07d485d2c2cd89d115d212e301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd6db7a9466c28d2863c5cbff6b67639948b7c07d485d2c2cd89d115d212e301", kill_on_drop: false }`
[INFO] [stdout] cd6db7a9466c28d2863c5cbff6b67639948b7c07d485d2c2cd89d115d212e301
[INFO] checking h3nnn4n/Strange-Attractor-Explorer against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2FStrange-Attractor-Explorer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/h3nnn4n/Strange-Attractor-Explorer on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/h3nnn4n/Strange-Attractor-Explorer
[INFO] finished tweaking git repo https://github.com/h3nnn4n/Strange-Attractor-Explorer
[INFO] tweaked toml for git repo https://github.com/h3nnn4n/Strange-Attractor-Explorer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/h3nnn4n/Strange-Attractor-Explorer 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aedbe41fc5ccf553f474fb767c9b8572749392c590cb7a6cda03a4a01a8797b
[INFO] running `Command { std: "docker" "start" "-a" "7aedbe41fc5ccf553f474fb767c9b8572749392c590cb7a6cda03a4a01a8797b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aedbe41fc5ccf553f474fb767c9b8572749392c590cb7a6cda03a4a01a8797b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aedbe41fc5ccf553f474fb767c9b8572749392c590cb7a6cda03a4a01a8797b", kill_on_drop: false }`
[INFO] [stdout] 7aedbe41fc5ccf553f474fb767c9b8572749392c590cb7a6cda03a4a01a8797b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53c297d29dc583d6471f4dbaa47fb5750e541e0a5d9e0413da5b13a448962029
[INFO] running `Command { std: "docker" "start" "-a" "53c297d29dc583d6471f4dbaa47fb5750e541e0a5d9e0413da5b13a448962029", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.37
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.37
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling nom v4.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.12
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.2/src/exec.rs:755:13
[INFO] [stdout]     |
[INFO] [stdout] 755 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 756 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 757 | |                 self.cache,
[INFO] [stdout] 758 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 769 | |                 Quit => return Some(Quit),
[INFO] [stdout] 770 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "53c297d29dc583d6471f4dbaa47fb5750e541e0a5d9e0413da5b13a448962029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c297d29dc583d6471f4dbaa47fb5750e541e0a5d9e0413da5b13a448962029", kill_on_drop: false }`
[INFO] [stdout] 53c297d29dc583d6471f4dbaa47fb5750e541e0a5d9e0413da5b13a448962029