[INFO] cloning repository https://github.com/shakyShane/rs-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shakyShane/rs-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Frs-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Frs-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 616c25b008485e7b5e315f1b989ec26278ea6331 [INFO] checking shakyShane/rs-playground against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Frs-playground" "/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/shakyShane/rs-playground 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/shakyShane/rs-playground [INFO] finished tweaking git repo https://github.com/shakyShane/rs-playground [INFO] tweaked toml for git repo https://github.com/shakyShane/rs-playground written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shakyShane/rs-playground 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 serde_derive v1.0.79 [INFO] [stderr] Downloaded serde_yaml v0.8.4 [INFO] [stderr] Downloaded from_file v0.1.3 [INFO] [stderr] Downloaded from_file_derive v0.1.3 [INFO] [stderr] Downloaded linked-hash-map v0.5.1 [INFO] [stderr] Downloaded serde v1.0.79 [INFO] [stderr] Downloaded yaml-rust v0.4.2 [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] e1363849fa97b76c0719c8487c421095a5d15d9b11582bc21727665c5ffd9055 [INFO] running `Command { std: "docker" "start" "-a" "e1363849fa97b76c0719c8487c421095a5d15d9b11582bc21727665c5ffd9055", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1363849fa97b76c0719c8487c421095a5d15d9b11582bc21727665c5ffd9055", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1363849fa97b76c0719c8487c421095a5d15d9b11582bc21727665c5ffd9055", kill_on_drop: false }` [INFO] [stdout] e1363849fa97b76c0719c8487c421095a5d15d9b11582bc21727665c5ffd9055 [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] 36cefb8a3dd3fbc3742a14dd567e079d173f2a28620b025b780dcd7741ea4d16 [INFO] running `Command { std: "docker" "start" "-a" "36cefb8a3dd3fbc3742a14dd567e079d173f2a28620b025b780dcd7741ea4d16", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking yaml-rust v0.4.2 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking memchr v2.0.2 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Compiling serde_derive v1.0.79 [INFO] [stderr] Compiling from_file_derive v0.1.3 [INFO] [stderr] Checking serde_json v1.0.27 [INFO] [stderr] Checking serde_yaml v0.8.4 [INFO] [stderr] Checking from_file v0.1.3 [INFO] [stderr] Checking rs-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/compose.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | -> Box T3 + 'f> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 8 | -> Box T3 + 'f> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/trait_obj.rs:27:37 [INFO] [stdout] | [INFO] [stdout] 27 | fn get_middlewares<'a>() -> Vec<&'a Middleware> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 27 | fn get_middlewares<'a>() -> Vec<&'a dyn Middleware> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/compose.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | -> Box T3 + 'f> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 8 | -> Box T3 + 'f> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/trait_obj.rs:27:37 [INFO] [stdout] | [INFO] [stdout] 27 | fn get_middlewares<'a>() -> Vec<&'a Middleware> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 27 | fn get_middlewares<'a>() -> Vec<&'a dyn Middleware> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hash_map.rs:21:35 [INFO] [stdout] | [INFO] [stdout] 21 | let mut m: HashMap> = HashMap::new(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 | let mut m: HashMap> = HashMap::new(); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/hash_map.rs:21:35 [INFO] [stdout] | [INFO] [stdout] 21 | let mut m: HashMap> = HashMap::new(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 | let mut m: HashMap> = HashMap::new(); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.56s [INFO] running `Command { std: "docker" "inspect" "36cefb8a3dd3fbc3742a14dd567e079d173f2a28620b025b780dcd7741ea4d16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36cefb8a3dd3fbc3742a14dd567e079d173f2a28620b025b780dcd7741ea4d16", kill_on_drop: false }` [INFO] [stdout] 36cefb8a3dd3fbc3742a14dd567e079d173f2a28620b025b780dcd7741ea4d16 [INFO] checking shakyShane/rs-playground against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Frs-playground" "/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/shakyShane/rs-playground 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/shakyShane/rs-playground [INFO] finished tweaking git repo https://github.com/shakyShane/rs-playground [INFO] tweaked toml for git repo https://github.com/shakyShane/rs-playground written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/shakyShane/rs-playground 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] 902c5573411a67e5c053ab764a3ae7d862a3a4b185dcda2001fd8ef5b3440956 [INFO] running `Command { std: "docker" "start" "-a" "902c5573411a67e5c053ab764a3ae7d862a3a4b185dcda2001fd8ef5b3440956", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "902c5573411a67e5c053ab764a3ae7d862a3a4b185dcda2001fd8ef5b3440956", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "902c5573411a67e5c053ab764a3ae7d862a3a4b185dcda2001fd8ef5b3440956", kill_on_drop: false }` [INFO] [stdout] 902c5573411a67e5c053ab764a3ae7d862a3a4b185dcda2001fd8ef5b3440956 [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] 07033f3dffd014b304b26814ba3acf418a81532142560aed204765ad2acc686b [INFO] running `Command { std: "docker" "start" "-a" "07033f3dffd014b304b26814ba3acf418a81532142560aed204765ad2acc686b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking yaml-rust v0.4.2 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking memchr v2.0.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.0.5/src/exec.rs:754:13 [INFO] [stdout] | [INFO] [stdout] 754 | / match dfa::Fsm::reverse( [INFO] [stdout] 755 | | &self.ro.dfa_reverse, [INFO] [stdout] 756 | | self.cache, [INFO] [stdout] 757 | | false, [INFO] [stdout] ... | [INFO] [stdout] 764 | | Quit => return Some(Quit), [INFO] [stdout] 765 | | }; [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" "07033f3dffd014b304b26814ba3acf418a81532142560aed204765ad2acc686b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07033f3dffd014b304b26814ba3acf418a81532142560aed204765ad2acc686b", kill_on_drop: false }` [INFO] [stdout] 07033f3dffd014b304b26814ba3acf418a81532142560aed204765ad2acc686b