[INFO] cloning repository https://github.com/patallen/LetsShat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patallen/LetsShat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatallen%2FLetsShat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatallen%2FLetsShat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 526427dbaeddb649ff950c9c526468c8ce84acd5 [INFO] checking patallen/LetsShat against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatallen%2FLetsShat" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/patallen/LetsShat 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/patallen/LetsShat [INFO] finished tweaking git repo https://github.com/patallen/LetsShat [INFO] tweaked toml for git repo https://github.com/patallen/LetsShat written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/patallen/LetsShat 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 winapi-util v0.1.2 [INFO] [stderr] Downloaded thread_local v0.3.6 [INFO] [stderr] Downloaded cfg-if v0.1.7 [INFO] [stderr] Downloaded env_logger v0.6.1 [INFO] [stderr] Downloaded utf8-ranges v1.0.2 [INFO] [stderr] Downloaded redox_syscall v0.1.54 [INFO] [stderr] Downloaded aho-corasick v0.7.3 [INFO] [stderr] Downloaded memchr v2.2.0 [INFO] [stderr] Downloaded ucd-util v0.1.3 [INFO] [stderr] Downloaded regex v1.1.6 [INFO] [stderr] Downloaded regex-syntax v0.6.6 [INFO] [stderr] Downloaded libc v0.2.51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 225c89d34328a8adab60185d6f9a4ccb404b18cc7ae00469e1e1e24de5f101b0 [INFO] running `Command { std: "docker" "start" "-a" "225c89d34328a8adab60185d6f9a4ccb404b18cc7ae00469e1e1e24de5f101b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "225c89d34328a8adab60185d6f9a4ccb404b18cc7ae00469e1e1e24de5f101b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "225c89d34328a8adab60185d6f9a4ccb404b18cc7ae00469e1e1e24de5f101b0", kill_on_drop: false }` [INFO] [stdout] 225c89d34328a8adab60185d6f9a4ccb404b18cc7ae00469e1e1e24de5f101b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0ae3862134b5a18d9963ef6e7988c329c5958e27c8fb6b014555b8401d5577a4 [INFO] running `Command { std: "docker" "start" "-a" "0ae3862134b5a18d9963ef6e7988c329c5958e27c8fb6b014555b8401d5577a4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Checking letsshat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ui.rs:50:49 [INFO] [stdout] | [INFO] [stdout] 50 | fn color_line(screen: &mut W, color: &color::Color) -> DrawResult { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 50 | fn color_line(screen: &mut W, color: &dyn color::Color) -> DrawResult { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ui.rs:50:49 [INFO] [stdout] | [INFO] [stdout] 50 | fn color_line(screen: &mut W, color: &color::Color) -> DrawResult { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 50 | fn color_line(screen: &mut W, color: &dyn color::Color) -> DrawResult { [INFO] [stdout] | +++ [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 1.72s [INFO] running `Command { std: "docker" "inspect" "0ae3862134b5a18d9963ef6e7988c329c5958e27c8fb6b014555b8401d5577a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ae3862134b5a18d9963ef6e7988c329c5958e27c8fb6b014555b8401d5577a4", kill_on_drop: false }` [INFO] [stdout] 0ae3862134b5a18d9963ef6e7988c329c5958e27c8fb6b014555b8401d5577a4 [INFO] checking patallen/LetsShat against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatallen%2FLetsShat" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/patallen/LetsShat 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/patallen/LetsShat [INFO] finished tweaking git repo https://github.com/patallen/LetsShat [INFO] tweaked toml for git repo https://github.com/patallen/LetsShat written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/patallen/LetsShat 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1f1a700a7a4a839c77f852018b7bc99ba19a321f6b22d0d2b218172feae364cb [INFO] running `Command { std: "docker" "start" "-a" "1f1a700a7a4a839c77f852018b7bc99ba19a321f6b22d0d2b218172feae364cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f1a700a7a4a839c77f852018b7bc99ba19a321f6b22d0d2b218172feae364cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f1a700a7a4a839c77f852018b7bc99ba19a321f6b22d0d2b218172feae364cb", kill_on_drop: false }` [INFO] [stdout] 1f1a700a7a4a839c77f852018b7bc99ba19a321f6b22d0d2b218172feae364cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fa9172f3ba02ff71b6839aea6a0d26623a701b74d43821a20d2768bbd0ad117d [INFO] running `Command { std: "docker" "start" "-a" "fa9172f3ba02ff71b6839aea6a0d26623a701b74d43821a20d2768bbd0ad117d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.6/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] [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" "fa9172f3ba02ff71b6839aea6a0d26623a701b74d43821a20d2768bbd0ad117d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa9172f3ba02ff71b6839aea6a0d26623a701b74d43821a20d2768bbd0ad117d", kill_on_drop: false }` [INFO] [stdout] fa9172f3ba02ff71b6839aea6a0d26623a701b74d43821a20d2768bbd0ad117d