[INFO] cloning repository https://github.com/bashi8128/rip [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bashi8128/rip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbashi8128%2Frip", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbashi8128%2Frip'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8141daa9d190ac6825e4eb85d9e5770f16100c45 [INFO] checking bashi8128/rip against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbashi8128%2Frip" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bashi8128/rip 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/bashi8128/rip [INFO] finished tweaking git repo https://github.com/bashi8128/rip [INFO] tweaked toml for git repo https://github.com/bashi8128/rip written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bashi8128/rip 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1b3ffa6a8b0806185cad4189ffde1052b65fa29cdab17b6887d3f8ae22393d66 [INFO] running `Command { std: "docker" "start" "-a" "1b3ffa6a8b0806185cad4189ffde1052b65fa29cdab17b6887d3f8ae22393d66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b3ffa6a8b0806185cad4189ffde1052b65fa29cdab17b6887d3f8ae22393d66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b3ffa6a8b0806185cad4189ffde1052b65fa29cdab17b6887d3f8ae22393d66", kill_on_drop: false }` [INFO] [stdout] 1b3ffa6a8b0806185cad4189ffde1052b65fa29cdab17b6887d3f8ae22393d66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] db8fa901b42733e581017c04be642d9ed0e40e3a36b0e811d250f70d0d12a3b8 [INFO] running `Command { std: "docker" "start" "-a" "db8fa901b42733e581017c04be642d9ed0e40e3a36b0e811d250f70d0d12a3b8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.56 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking docopt v1.1.0 [INFO] [stderr] Checking rip v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let args: Args = Args::parse_args(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let args: Args = Args::parse_args(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `arg_file`, `flag_p`, `flag_s`, `flag_u`, `flag_r`, and `flag_h` are never read [INFO] [stdout] --> src/parse_args.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Args { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 10 | arg_file: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 11 | flag_p: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 12 | flag_s: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 13 | flag_u: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | flag_r: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 15 | flag_h: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `arg_file`, `flag_p`, `flag_s`, `flag_u`, `flag_r`, and `flag_h` are never read [INFO] [stdout] --> src/parse_args.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Args { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 10 | arg_file: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 11 | flag_p: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 12 | flag_s: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 13 | flag_u: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 14 | flag_r: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 15 | flag_h: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 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 4.97s [INFO] running `Command { std: "docker" "inspect" "db8fa901b42733e581017c04be642d9ed0e40e3a36b0e811d250f70d0d12a3b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db8fa901b42733e581017c04be642d9ed0e40e3a36b0e811d250f70d0d12a3b8", kill_on_drop: false }` [INFO] [stdout] db8fa901b42733e581017c04be642d9ed0e40e3a36b0e811d250f70d0d12a3b8 [INFO] checking bashi8128/rip against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbashi8128%2Frip" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bashi8128/rip 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/bashi8128/rip [INFO] finished tweaking git repo https://github.com/bashi8128/rip [INFO] tweaked toml for git repo https://github.com/bashi8128/rip written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bashi8128/rip 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6b94d451748afdafb1dd8daa0a53df9a4d23ce856cf52bcd259a4c731b19f138 [INFO] running `Command { std: "docker" "start" "-a" "6b94d451748afdafb1dd8daa0a53df9a4d23ce856cf52bcd259a4c731b19f138", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b94d451748afdafb1dd8daa0a53df9a4d23ce856cf52bcd259a4c731b19f138", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b94d451748afdafb1dd8daa0a53df9a4d23ce856cf52bcd259a4c731b19f138", kill_on_drop: false }` [INFO] [stdout] 6b94d451748afdafb1dd8daa0a53df9a4d23ce856cf52bcd259a4c731b19f138 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 14404f8acad252b9e6573b6a2fa1001b9b262fc3a67514ebd0b88bffbf6c2817 [INFO] running `Command { std: "docker" "start" "-a" "14404f8acad252b9e6573b6a2fa1001b9b262fc3a67514ebd0b88bffbf6c2817", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.56 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.2/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [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" "14404f8acad252b9e6573b6a2fa1001b9b262fc3a67514ebd0b88bffbf6c2817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14404f8acad252b9e6573b6a2fa1001b9b262fc3a67514ebd0b88bffbf6c2817", kill_on_drop: false }` [INFO] [stdout] 14404f8acad252b9e6573b6a2fa1001b9b262fc3a67514ebd0b88bffbf6c2817