[INFO] cloning repository https://github.com/i-hardy/over-easy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/i-hardy/over-easy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi-hardy%2Fover-easy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi-hardy%2Fover-easy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5575242593f72c2c6d5b4616a150e81af4faeb1e [INFO] checking i-hardy/over-easy against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi-hardy%2Fover-easy" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/i-hardy/over-easy 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/i-hardy/over-easy [INFO] finished tweaking git repo https://github.com/i-hardy/over-easy [INFO] tweaked toml for git repo https://github.com/i-hardy/over-easy written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/i-hardy/over-easy 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1924c1e9fc26b5a57078b728392b2e5a5011cecdaba2e10e99dc764d26401008 [INFO] running `Command { std: "docker" "start" "-a" "1924c1e9fc26b5a57078b728392b2e5a5011cecdaba2e10e99dc764d26401008", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1924c1e9fc26b5a57078b728392b2e5a5011cecdaba2e10e99dc764d26401008", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1924c1e9fc26b5a57078b728392b2e5a5011cecdaba2e10e99dc764d26401008", kill_on_drop: false }` [INFO] [stdout] 1924c1e9fc26b5a57078b728392b2e5a5011cecdaba2e10e99dc764d26401008 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] de9642b2ed1d9585263fe6ae2e9a97a614b6fce0985367a9b6e857c6bc0f6ec2 [INFO] running `Command { std: "docker" "start" "-a" "de9642b2ed1d9585263fe6ae2e9a97a614b6fce0985367a9b6e857c6bc0f6ec2", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking over-easy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `ast_type` and `value` are never read [INFO] [stdout] --> src/parser.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 19 | ASTNumber { [INFO] [stdout] | --------- fields in this variant [INFO] [stdout] 20 | ast_type: ASTType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 21 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ast_type` and `value` are never read [INFO] [stdout] --> src/parser.rs:24:7 [INFO] [stdout] | [INFO] [stdout] 23 | ASTString { [INFO] [stdout] | --------- fields in this variant [INFO] [stdout] 24 | ast_type: ASTType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 25 | value: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ast_type` and `name` are never read [INFO] [stdout] --> src/parser.rs:28:7 [INFO] [stdout] | [INFO] [stdout] 27 | ASTWord { [INFO] [stdout] | ------- fields in this variant [INFO] [stdout] 28 | ast_type: ASTType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 29 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ast_type`, `operator`, and `args` are never read [INFO] [stdout] --> src/parser.rs:32:7 [INFO] [stdout] | [INFO] [stdout] 31 | ASTApply { [INFO] [stdout] | -------- fields in this variant [INFO] [stdout] 32 | ast_type: ASTType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 33 | operator: Box, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 34 | args: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ast_type` and `value` are never read [INFO] [stdout] --> src/parser.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 19 | ASTNumber { [INFO] [stdout] | --------- fields in this variant [INFO] [stdout] 20 | ast_type: ASTType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 21 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `booleans` is never read [INFO] [stdout] --> src/scopes.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Scope { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 9 | booleans: HashMap, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Scope` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `egg_print` is never used [INFO] [stdout] --> src/scopes.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | fn egg_print(arg: &'static dyn Any) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ast_type` and `value` are never read [INFO] [stdout] --> src/parser.rs:24:7 [INFO] [stdout] | [INFO] [stdout] 23 | ASTString { [INFO] [stdout] | --------- fields in this variant [INFO] [stdout] 24 | ast_type: ASTType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 25 | value: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ast_type` and `name` are never read [INFO] [stdout] --> src/parser.rs:28:7 [INFO] [stdout] | [INFO] [stdout] 27 | ASTWord { [INFO] [stdout] | ------- fields in this variant [INFO] [stdout] 28 | ast_type: ASTType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 29 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ast_type`, `operator`, and `args` are never read [INFO] [stdout] --> src/parser.rs:32:7 [INFO] [stdout] | [INFO] [stdout] 31 | ASTApply { [INFO] [stdout] | -------- fields in this variant [INFO] [stdout] 32 | ast_type: ASTType, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 33 | operator: Box, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 34 | args: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `booleans` is never read [INFO] [stdout] --> src/scopes.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Scope { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 9 | booleans: HashMap, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Scope` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `egg_print` is never used [INFO] [stdout] --> src/scopes.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | fn egg_print(arg: &'static dyn Any) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.91s [INFO] running `Command { std: "docker" "inspect" "de9642b2ed1d9585263fe6ae2e9a97a614b6fce0985367a9b6e857c6bc0f6ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de9642b2ed1d9585263fe6ae2e9a97a614b6fce0985367a9b6e857c6bc0f6ec2", kill_on_drop: false }` [INFO] [stdout] de9642b2ed1d9585263fe6ae2e9a97a614b6fce0985367a9b6e857c6bc0f6ec2 [INFO] checking i-hardy/over-easy against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi-hardy%2Fover-easy" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/i-hardy/over-easy 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/i-hardy/over-easy [INFO] finished tweaking git repo https://github.com/i-hardy/over-easy [INFO] tweaked toml for git repo https://github.com/i-hardy/over-easy written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/i-hardy/over-easy 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fcdaf2118dbf76383b98414bd32820ce4a52c530bb1a307b890815928a4a41ae [INFO] running `Command { std: "docker" "start" "-a" "fcdaf2118dbf76383b98414bd32820ce4a52c530bb1a307b890815928a4a41ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcdaf2118dbf76383b98414bd32820ce4a52c530bb1a307b890815928a4a41ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcdaf2118dbf76383b98414bd32820ce4a52c530bb1a307b890815928a4a41ae", kill_on_drop: false }` [INFO] [stdout] fcdaf2118dbf76383b98414bd32820ce4a52c530bb1a307b890815928a4a41ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1ca2133fc1d010d553ce9d9413e9d0bee04f89a1cee615a8a45bcfd3e4d80e60 [INFO] running `Command { std: "docker" "start" "-a" "1ca2133fc1d010d553ce9d9413e9d0bee04f89a1cee615a8a45bcfd3e4d80e60", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.2.1/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" "1ca2133fc1d010d553ce9d9413e9d0bee04f89a1cee615a8a45bcfd3e4d80e60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ca2133fc1d010d553ce9d9413e9d0bee04f89a1cee615a8a45bcfd3e4d80e60", kill_on_drop: false }` [INFO] [stdout] 1ca2133fc1d010d553ce9d9413e9d0bee04f89a1cee615a8a45bcfd3e4d80e60