[INFO] cloning repository https://github.com/surrealegg/yak [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/surrealegg/yak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurrealegg%2Fyak", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurrealegg%2Fyak'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a7725f0c1bccb87d8daaaab4a5f491a6378d7ab [INFO] checking surrealegg/yak against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurrealegg%2Fyak" "/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/surrealegg/yak 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/surrealegg/yak [INFO] finished tweaking git repo https://github.com/surrealegg/yak [INFO] tweaked toml for git repo https://github.com/surrealegg/yak written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/surrealegg/yak 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 llvm-sys v140.0.2 [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] e3434fbbd6017ba26ef69de2f5e85936b1cc54d6f81b90ac31e29846e80d8765 [INFO] running `Command { std: "docker" "start" "-a" "e3434fbbd6017ba26ef69de2f5e85936b1cc54d6f81b90ac31e29846e80d8765", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3434fbbd6017ba26ef69de2f5e85936b1cc54d6f81b90ac31e29846e80d8765", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3434fbbd6017ba26ef69de2f5e85936b1cc54d6f81b90ac31e29846e80d8765", kill_on_drop: false }` [INFO] [stdout] e3434fbbd6017ba26ef69de2f5e85936b1cc54d6f81b90ac31e29846e80d8765 [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] 3a4977f3c0cbfc623d33ab7f773f3bca0c8b8096b72f1deb5d4247c443d9fe80 [INFO] running `Command { std: "docker" "start" "-a" "3a4977f3c0cbfc623d33ab7f773f3bca0c8b8096b72f1deb5d4247c443d9fe80", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling semver v1.0.13 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#25b9fc58) [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Compiling llvm-sys v140.0.2 [INFO] [stderr] Compiling inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?branch=master#25b9fc58) [INFO] [stderr] Checking yakc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | Char(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | Char(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/codegen.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct StoredVariable<'a> { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 22 | pub kind: BasicTypeEnum<'a>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoredVariable` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `fpm`, `begin_block`, and `return_value` are never read [INFO] [stdout] --> src/codegen.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Codegen<'a, 'ctx> { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 29 | pub fpm: &'a PassManager>, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub begin_block: Option>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub return_value: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | Char(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | Char(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/codegen.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct StoredVariable<'a> { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 22 | pub kind: BasicTypeEnum<'a>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoredVariable` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `fpm`, `begin_block`, and `return_value` are never read [INFO] [stdout] --> src/codegen.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Codegen<'a, 'ctx> { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 29 | pub fpm: &'a PassManager>, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub begin_block: Option>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub return_value: Option>, [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 4.82s [INFO] running `Command { std: "docker" "inspect" "3a4977f3c0cbfc623d33ab7f773f3bca0c8b8096b72f1deb5d4247c443d9fe80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a4977f3c0cbfc623d33ab7f773f3bca0c8b8096b72f1deb5d4247c443d9fe80", kill_on_drop: false }` [INFO] [stdout] 3a4977f3c0cbfc623d33ab7f773f3bca0c8b8096b72f1deb5d4247c443d9fe80 [INFO] checking surrealegg/yak against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurrealegg%2Fyak" "/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/surrealegg/yak 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/surrealegg/yak [INFO] finished tweaking git repo https://github.com/surrealegg/yak [INFO] tweaked toml for git repo https://github.com/surrealegg/yak written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/surrealegg/yak 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] e9310b9ece3b67b3fbd727745caca1e11607437d59178b6c82b7e338da53af33 [INFO] running `Command { std: "docker" "start" "-a" "e9310b9ece3b67b3fbd727745caca1e11607437d59178b6c82b7e338da53af33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9310b9ece3b67b3fbd727745caca1e11607437d59178b6c82b7e338da53af33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9310b9ece3b67b3fbd727745caca1e11607437d59178b6c82b7e338da53af33", kill_on_drop: false }` [INFO] [stdout] e9310b9ece3b67b3fbd727745caca1e11607437d59178b6c82b7e338da53af33 [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] c4c573c2561caafb04d559b81a1883b2e01f59c7603c1ed2d661b66265f61fd9 [INFO] running `Command { std: "docker" "start" "-a" "c4c573c2561caafb04d559b81a1883b2e01f59c7603c1ed2d661b66265f61fd9", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling semver v1.0.13 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#25b9fc58) [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.6.0/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [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" "c4c573c2561caafb04d559b81a1883b2e01f59c7603c1ed2d661b66265f61fd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4c573c2561caafb04d559b81a1883b2e01f59c7603c1ed2d661b66265f61fd9", kill_on_drop: false }` [INFO] [stdout] c4c573c2561caafb04d559b81a1883b2e01f59c7603c1ed2d661b66265f61fd9