[INFO] cloning repository https://github.com/sweetmandm/rust-cool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sweetmandm/rust-cool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetmandm%2Frust-cool", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetmandm%2Frust-cool'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cd0594f7950276256500408c16c730c8c5517e41 [INFO] checking sweetmandm/rust-cool against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetmandm%2Frust-cool" "/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/sweetmandm/rust-cool 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/sweetmandm/rust-cool [INFO] finished tweaking git repo https://github.com/sweetmandm/rust-cool [INFO] tweaked toml for git repo https://github.com/sweetmandm/rust-cool written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sweetmandm/rust-cool 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 utf8-ranges v1.0.4 [INFO] [stderr] Downloaded plex v0.2.5 [INFO] [stderr] Downloaded vec_map v0.6.0 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] [stderr] Downloaded redfa v0.0.2 [INFO] [stderr] Downloaded ascii-canvas v2.0.0 [INFO] [stderr] Downloaded redox_users v0.3.1 [INFO] [stderr] Downloaded bit-vec v0.5.1 [INFO] [stderr] Downloaded ordermap v0.3.5 [INFO] [stderr] Downloaded itertools v0.8.1 [INFO] [stderr] Downloaded backtrace v0.3.40 [INFO] [stderr] Downloaded regex v1.3.1 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] [stderr] Downloaded backtrace-sys v0.1.32 [INFO] [stderr] Downloaded regex-syntax v0.6.12 [INFO] [stderr] Downloaded syn v1.0.7 [INFO] [stderr] Downloaded lalrpop v0.17.2 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] [stderr] Downloaded petgraph v0.4.13 [INFO] [stderr] Downloaded aho-corasick v0.7.6 [INFO] [stderr] Downloaded serde v1.0.102 [INFO] [stderr] Downloaded blake2b_simd v0.5.8 [INFO] [stderr] Downloaded serde_derive v1.0.102 [INFO] [stderr] Downloaded cc v1.0.46 [INFO] [stderr] Downloaded base64 v0.10.1 [INFO] [stderr] Downloaded crossbeam-utils v0.6.6 [INFO] [stderr] Downloaded failure v0.1.6 [INFO] [stderr] Downloaded rust-argon2 v0.5.1 [INFO] [stderr] Downloaded term v0.5.2 [INFO] [stderr] Downloaded bit-vec v0.4.4 [INFO] [stderr] Downloaded bit-set v0.4.0 [INFO] [stderr] Downloaded bit-set v0.5.1 [INFO] [stderr] Downloaded diff v0.1.11 [INFO] [stderr] Downloaded strsim v0.9.2 [INFO] [stderr] Downloaded docopt v1.1.0 [INFO] [stderr] Downloaded ena v0.13.1 [INFO] [stderr] Downloaded fixedbitset v0.1.9 [INFO] [stderr] Downloaded block-padding v0.1.4 [INFO] [stderr] Downloaded new_debug_unreachable v1.0.3 [INFO] [stderr] Downloaded phf_generator v0.7.24 [INFO] [stderr] Downloaded phf_shared v0.7.24 [INFO] [stderr] Downloaded string_cache_codegen v0.4.4 [INFO] [stderr] Downloaded string_cache v0.7.5 [INFO] [stderr] Downloaded synstructure v0.12.1 [INFO] [stderr] Downloaded failure_derive v0.1.6 [INFO] [stderr] Downloaded constant_time_eq v0.1.4 [INFO] [stderr] Downloaded dirs v1.0.5 [INFO] [stderr] Downloaded lalr v0.0.2 [INFO] [stderr] Downloaded aho-corasick v0.6.10 [INFO] [stderr] Downloaded ucd-util v0.1.5 [INFO] [stderr] Downloaded lalrpop-util v0.17.2 [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] 6d70e162007c7bd9ced1238af79e355f93c00a9efd6c2576ec75f41a481db0b7 [INFO] running `Command { std: "docker" "start" "-a" "6d70e162007c7bd9ced1238af79e355f93c00a9efd6c2576ec75f41a481db0b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d70e162007c7bd9ced1238af79e355f93c00a9efd6c2576ec75f41a481db0b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d70e162007c7bd9ced1238af79e355f93c00a9efd6c2576ec75f41a481db0b7", kill_on_drop: false }` [INFO] [stdout] 6d70e162007c7bd9ced1238af79e355f93c00a9efd6c2576ec75f41a481db0b7 [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] a879102a631b97de30851e49fea225113f6366128eae3ef3db3918c930fca11b [INFO] running `Command { std: "docker" "start" "-a" "a879102a631b97de30851e49fea225113f6366128eae3ef3db3918c930fca11b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling itertools v0.8.1 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling bit-vec v0.4.4 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling bit-set v0.4.0 [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling vec_map v0.6.0 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling redfa v0.0.2 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Compiling lalr v0.0.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling plex v0.2.5 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.2 [INFO] [stderr] Compiling rust-cool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4406:5 [INFO] [stdout] | [INFO] [stdout] 4406 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4406 - (__0) [INFO] [stdout] 4406 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4415:5 [INFO] [stdout] | [INFO] [stdout] 4415 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4415 - (__0) [INFO] [stdout] 4415 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4612:5 [INFO] [stdout] | [INFO] [stdout] 4612 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4612 - (__0) [INFO] [stdout] 4612 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4621:5 [INFO] [stdout] | [INFO] [stdout] 4621 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4621 - (__0) [INFO] [stdout] 4621 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4739:5 [INFO] [stdout] | [INFO] [stdout] 4739 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4739 - (__0) [INFO] [stdout] 4739 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4763:5 [INFO] [stdout] | [INFO] [stdout] 4763 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4763 - (__0) [INFO] [stdout] 4763 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4832:5 [INFO] [stdout] | [INFO] [stdout] 4832 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4832 - (__0) [INFO] [stdout] 4832 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4872:5 [INFO] [stdout] | [INFO] [stdout] 4872 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4872 - (__0) [INFO] [stdout] 4872 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4899:5 [INFO] [stdout] | [INFO] [stdout] 4899 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4899 - (__0) [INFO] [stdout] 4899 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4908:5 [INFO] [stdout] | [INFO] [stdout] 4908 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4908 - (__0) [INFO] [stdout] 4908 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4406:5 [INFO] [stdout] | [INFO] [stdout] 4406 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4406 - (__0) [INFO] [stdout] 4406 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4415:5 [INFO] [stdout] | [INFO] [stdout] 4415 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4415 - (__0) [INFO] [stdout] 4415 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4612:5 [INFO] [stdout] | [INFO] [stdout] 4612 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4612 - (__0) [INFO] [stdout] 4612 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4621:5 [INFO] [stdout] | [INFO] [stdout] 4621 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4621 - (__0) [INFO] [stdout] 4621 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4739:5 [INFO] [stdout] | [INFO] [stdout] 4739 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4739 - (__0) [INFO] [stdout] 4739 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4763:5 [INFO] [stdout] | [INFO] [stdout] 4763 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4763 - (__0) [INFO] [stdout] 4763 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4832:5 [INFO] [stdout] | [INFO] [stdout] 4832 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4832 - (__0) [INFO] [stdout] 4832 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4872:5 [INFO] [stdout] | [INFO] [stdout] 4872 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4872 - (__0) [INFO] [stdout] 4872 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4899:5 [INFO] [stdout] | [INFO] [stdout] 4899 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4899 - (__0) [INFO] [stdout] 4899 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-cool-8576d8d1306605e1/out/cool.rs:4908:5 [INFO] [stdout] | [INFO] [stdout] 4908 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4908 - (__0) [INFO] [stdout] 4908 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Program` is never constructed [INFO] [stdout] --> src/ast.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Program { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Program` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Program` is never constructed [INFO] [stdout] --> src/ast.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Program { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Program` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.67s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.17.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "a879102a631b97de30851e49fea225113f6366128eae3ef3db3918c930fca11b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a879102a631b97de30851e49fea225113f6366128eae3ef3db3918c930fca11b", kill_on_drop: false }` [INFO] [stdout] a879102a631b97de30851e49fea225113f6366128eae3ef3db3918c930fca11b [INFO] checking sweetmandm/rust-cool against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetmandm%2Frust-cool" "/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/sweetmandm/rust-cool 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/sweetmandm/rust-cool [INFO] finished tweaking git repo https://github.com/sweetmandm/rust-cool [INFO] tweaked toml for git repo https://github.com/sweetmandm/rust-cool written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sweetmandm/rust-cool 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] 63506e1b268bd28ca2ddc784e28da898dcd95845fcbb2085e7e2a1edf9bc65ef [INFO] running `Command { std: "docker" "start" "-a" "63506e1b268bd28ca2ddc784e28da898dcd95845fcbb2085e7e2a1edf9bc65ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63506e1b268bd28ca2ddc784e28da898dcd95845fcbb2085e7e2a1edf9bc65ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63506e1b268bd28ca2ddc784e28da898dcd95845fcbb2085e7e2a1edf9bc65ef", kill_on_drop: false }` [INFO] [stdout] 63506e1b268bd28ca2ddc784e28da898dcd95845fcbb2085e7e2a1edf9bc65ef [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] cb9fde75e82104753c5511e3df38e5ba7cb7c592b7d0cdb2d9c103b3b02ff407 [INFO] running `Command { std: "docker" "start" "-a" "cb9fde75e82104753c5511e3df38e5ba7cb7c592b7d0cdb2d9c103b3b02ff407", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling itertools v0.8.1 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling bit-vec v0.4.4 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling vec_map v0.6.0 [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling bit-set v0.4.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling redfa v0.0.2 [INFO] [stderr] Compiling lalr v0.0.2 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.11/src/exec.rs:756:13 [INFO] [stdout] | [INFO] [stdout] 756 | / match dfa::Fsm::reverse( [INFO] [stdout] 757 | | &self.ro.dfa_reverse, [INFO] [stdout] 758 | | self.cache, [INFO] [stdout] 759 | | false, [INFO] [stdout] ... | [INFO] [stdout] 766 | | Quit => return Some(Quit), [INFO] [stdout] 767 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.1/src/exec.rs:838:13 [INFO] [stdout] | [INFO] [stdout] 838 | / match dfa::Fsm::reverse( [INFO] [stdout] 839 | | &self.ro.dfa_reverse, [INFO] [stdout] 840 | | self.cache.value(), [INFO] [stdout] 841 | | false, [INFO] [stdout] ... | [INFO] [stdout] 852 | | Quit => return Some(Quit), [INFO] [stdout] 853 | | }; [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] [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" "cb9fde75e82104753c5511e3df38e5ba7cb7c592b7d0cdb2d9c103b3b02ff407", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb9fde75e82104753c5511e3df38e5ba7cb7c592b7d0cdb2d9c103b3b02ff407", kill_on_drop: false }` [INFO] [stdout] cb9fde75e82104753c5511e3df38e5ba7cb7c592b7d0cdb2d9c103b3b02ff407