[INFO] cloning repository https://github.com/mazurwiktor/rustgrepper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mazurwiktor/rustgrepper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazurwiktor%2Frustgrepper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazurwiktor%2Frustgrepper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 820b4335ee20c57726e7d46c9890a19cd4da6ce7 [INFO] checking mazurwiktor/rustgrepper against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazurwiktor%2Frustgrepper" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mazurwiktor/rustgrepper 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/mazurwiktor/rustgrepper [INFO] finished tweaking git repo https://github.com/mazurwiktor/rustgrepper [INFO] tweaked toml for git repo https://github.com/mazurwiktor/rustgrepper written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mazurwiktor/rustgrepper 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 gcc v0.3.46 [INFO] [stderr] Downloaded ncurses v5.85.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 262915fc53467c78d888bcff56fb5cf418c5144e05459f042053c4cf1e7c9a13 [INFO] running `Command { std: "docker" "start" "-a" "262915fc53467c78d888bcff56fb5cf418c5144e05459f042053c4cf1e7c9a13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "262915fc53467c78d888bcff56fb5cf418c5144e05459f042053c4cf1e7c9a13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "262915fc53467c78d888bcff56fb5cf418c5144e05459f042053c4cf1e7c9a13", kill_on_drop: false }` [INFO] [stdout] 262915fc53467c78d888bcff56fb5cf418c5144e05459f042053c4cf1e7c9a13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f1b831bd122e0e9c95b9f1e64e8fc961e831aca464396736d5db9de32b719495 [INFO] running `Command { std: "docker" "start" "-a" "f1b831bd122e0e9c95b9f1e64e8fc961e831aca464396736d5db9de32b719495", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Compiling gcc v0.3.46 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking regex-syntax v0.4.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking thread-id v3.0.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking thread_local v0.3.3 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Compiling ncurses v5.85.0 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stderr] Checking rustgrepper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/pager.rs:27:25 [INFO] [stdout] | [INFO] [stdout] 27 | fn print(&mut self, &str); [INFO] [stdout] | ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/pager.rs:29:29 [INFO] [stdout] | [INFO] [stdout] 29 | fn mv_cursor(&mut self, (usize, usize)); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: (usize, usize)` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/pager.rs:32:35 [INFO] [stdout] | [INFO] [stdout] 32 | fn clear_line_from(&mut self, (usize, usize)); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: (usize, usize)` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/pager.rs:27:25 [INFO] [stdout] | [INFO] [stdout] 27 | fn print(&mut self, &str); [INFO] [stdout] | ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &str` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/pager.rs:29:29 [INFO] [stdout] | [INFO] [stdout] 29 | fn mv_cursor(&mut self, (usize, usize)); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: (usize, usize)` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/pager.rs:32:35 [INFO] [stdout] | [INFO] [stdout] 32 | fn clear_line_from(&mut self, (usize, usize)); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: (usize, usize)` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `top_leftofer` is never used [INFO] [stdout] --> src/pager.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub trait TermOperations { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 47 | fn top_leftofer<'a>(&mut self, line: &'a str) -> Option<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 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 0.94s [INFO] running `Command { std: "docker" "inspect" "f1b831bd122e0e9c95b9f1e64e8fc961e831aca464396736d5db9de32b719495", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1b831bd122e0e9c95b9f1e64e8fc961e831aca464396736d5db9de32b719495", kill_on_drop: false }` [INFO] [stdout] f1b831bd122e0e9c95b9f1e64e8fc961e831aca464396736d5db9de32b719495 [INFO] checking mazurwiktor/rustgrepper against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazurwiktor%2Frustgrepper" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mazurwiktor/rustgrepper 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/mazurwiktor/rustgrepper [INFO] finished tweaking git repo https://github.com/mazurwiktor/rustgrepper [INFO] tweaked toml for git repo https://github.com/mazurwiktor/rustgrepper written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mazurwiktor/rustgrepper 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e25f4eb7df28862b79b18ecdae090bb815bdd36e5e1a307f6df07907262fbba0 [INFO] running `Command { std: "docker" "start" "-a" "e25f4eb7df28862b79b18ecdae090bb815bdd36e5e1a307f6df07907262fbba0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e25f4eb7df28862b79b18ecdae090bb815bdd36e5e1a307f6df07907262fbba0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e25f4eb7df28862b79b18ecdae090bb815bdd36e5e1a307f6df07907262fbba0", kill_on_drop: false }` [INFO] [stdout] e25f4eb7df28862b79b18ecdae090bb815bdd36e5e1a307f6df07907262fbba0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 42a0aff87fbb792f9b3f1fda2ff5312b44de9bd86400f84b52e94a77767d2589 [INFO] running `Command { std: "docker" "start" "-a" "42a0aff87fbb792f9b3f1fda2ff5312b44de9bd86400f84b52e94a77767d2589", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Compiling gcc v0.3.46 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking regex-syntax v0.4.0 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking thread-id v3.0.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking thread_local v0.3.3 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Compiling ncurses v5.85.0 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.1/src/exec.rs:727:13 [INFO] [stdout] | [INFO] [stdout] 727 | / match dfa::Fsm::reverse( [INFO] [stdout] 728 | | &self.ro.dfa_reverse, [INFO] [stdout] 729 | | &self.cache, [INFO] [stdout] 730 | | false, [INFO] [stdout] ... | [INFO] [stdout] 737 | | Quit => return Some(Quit), [INFO] [stdout] 738 | | }; [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] running `Command { std: "docker" "inspect" "42a0aff87fbb792f9b3f1fda2ff5312b44de9bd86400f84b52e94a77767d2589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42a0aff87fbb792f9b3f1fda2ff5312b44de9bd86400f84b52e94a77767d2589", kill_on_drop: false }` [INFO] [stdout] 42a0aff87fbb792f9b3f1fda2ff5312b44de9bd86400f84b52e94a77767d2589