[INFO] cloning repository https://github.com/Dhole/ZincBoy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dhole/ZincBoy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhole%2FZincBoy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhole%2FZincBoy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3add79e2a854d7662e7160909b5d98fdecbd4d5c
[INFO] checking Dhole/ZincBoy against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhole%2FZincBoy" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dhole/ZincBoy 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/Dhole/ZincBoy
[INFO] finished tweaking git repo https://github.com/Dhole/ZincBoy
[INFO] tweaked toml for git repo https://github.com/Dhole/ZincBoy written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Dhole/ZincBoy 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-map v0.4.1
[INFO] [stderr]   Downloaded enum-map-derive v0.4.2
[INFO] [stderr]   Downloaded array-macro v1.0.4
[INFO] [stderr]   Downloaded syn v1.0.3
[INFO] [stderr]   Downloaded reexport-proc-macro v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7690ad94978b14fb19e1df89424333c0da13a8c7e497dd21f5c018c7397bd41f
[INFO] running `Command { std: "docker" "start" "-a" "7690ad94978b14fb19e1df89424333c0da13a8c7e497dd21f5c018c7397bd41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7690ad94978b14fb19e1df89424333c0da13a8c7e497dd21f5c018c7397bd41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7690ad94978b14fb19e1df89424333c0da13a8c7e497dd21f5c018c7397bd41f", kill_on_drop: false }`
[INFO] [stdout] 7690ad94978b14fb19e1df89424333c0da13a8c7e497dd21f5c018c7397bd41f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d5c7ed1e12ba1ac4b1072fd8d3177c771a189d1ae7dd3f40014a6c5d65dd2a3e
[INFO] running `Command { std: "docker" "start" "-a" "d5c7ed1e12ba1ac4b1072fd8d3177c771a189d1ae7dd3f40014a6c5d65dd2a3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking reexport-proc-macro v1.0.6
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling zincboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::op_raw_thumb`
[INFO] [stdout]  --> src/ARM7TDMI/op.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::op_raw_thumb;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/ARM7TDMI/op_raw_arm.rs:370:44
[INFO] [stdout]     |
[INFO] [stdout] 370 |         (0..16).for_each(|i| reg_list[i] = { self.register_list & (1 << i) != 0 });
[INFO] [stdout]     |                                            ^^                                  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 370 -         (0..16).for_each(|i| reg_list[i] = { self.register_list & (1 << i) != 0 });
[INFO] [stdout] 370 +         (0..16).for_each(|i| reg_list[i] = self.register_list & (1 << i) != 0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/ARM7TDMI/op_raw_arm.rs:370:44
[INFO] [stdout]     |
[INFO] [stdout] 370 |         (0..16).for_each(|i| reg_list[i] = { self.register_list & (1 << i) != 0 });
[INFO] [stdout]     |                                            ^^                                  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 370 -         (0..16).for_each(|i| reg_list[i] = { self.register_list & (1 << i) != 0 });
[INFO] [stdout] 370 +         (0..16).for_each(|i| reg_list[i] = self.register_list & (1 << i) != 0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inst_bin`
[INFO] [stdout]    --> src/ARM7TDMI/op.rs:903:25
[INFO] [stdout]     |
[INFO] [stdout] 903 |     pub fn decode_thumb(inst_bin: u16) -> Op {
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inst_bin`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inst_bin`
[INFO] [stdout]    --> src/ARM7TDMI/op.rs:903:25
[INFO] [stdout]     |
[INFO] [stdout] 903 |     pub fn decode_thumb(inst_bin: u16) -> Op {
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inst_bin`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "d5c7ed1e12ba1ac4b1072fd8d3177c771a189d1ae7dd3f40014a6c5d65dd2a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c7ed1e12ba1ac4b1072fd8d3177c771a189d1ae7dd3f40014a6c5d65dd2a3e", kill_on_drop: false }`
[INFO] [stdout] d5c7ed1e12ba1ac4b1072fd8d3177c771a189d1ae7dd3f40014a6c5d65dd2a3e
[INFO] checking Dhole/ZincBoy against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhole%2FZincBoy" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dhole/ZincBoy 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/Dhole/ZincBoy
[INFO] finished tweaking git repo https://github.com/Dhole/ZincBoy
[INFO] tweaked toml for git repo https://github.com/Dhole/ZincBoy written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Dhole/ZincBoy 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8cedb4c6ff176c3910f3e6c71d1ed84a45223982c7537ed2f0b84b8d86dc529c
[INFO] running `Command { std: "docker" "start" "-a" "8cedb4c6ff176c3910f3e6c71d1ed84a45223982c7537ed2f0b84b8d86dc529c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cedb4c6ff176c3910f3e6c71d1ed84a45223982c7537ed2f0b84b8d86dc529c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cedb4c6ff176c3910f3e6c71d1ed84a45223982c7537ed2f0b84b8d86dc529c", kill_on_drop: false }`
[INFO] [stdout] 8cedb4c6ff176c3910f3e6c71d1ed84a45223982c7537ed2f0b84b8d86dc529c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b01aa8a2661c39f7e76055089fa500c97492a2ee346f8b1a7cc3c2e6b9dac6cb
[INFO] running `Command { std: "docker" "start" "-a" "b01aa8a2661c39f7e76055089fa500c97492a2ee346f8b1a7cc3c2e6b9dac6cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking reexport-proc-macro v1.0.6
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.2.1/src/exec.rs:797:13
[INFO] [stdout]     |
[INFO] [stdout] 797 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 798 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 799 | |                 self.cache,
[INFO] [stdout] 800 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 811 | |                 Quit => return Some(Quit),
[INFO] [stdout] 812 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling enum-map-derive v0.4.2
[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" "b01aa8a2661c39f7e76055089fa500c97492a2ee346f8b1a7cc3c2e6b9dac6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01aa8a2661c39f7e76055089fa500c97492a2ee346f8b1a7cc3c2e6b9dac6cb", kill_on_drop: false }`
[INFO] [stdout] b01aa8a2661c39f7e76055089fa500c97492a2ee346f8b1a7cc3c2e6b9dac6cb