[INFO] cloning repository https://github.com/fitzgen/cool-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fitzgen/cool-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Fcool-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Fcool-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ea20b7cd01d2d73d3d2e4ff29579c7d786342b58 [INFO] checking fitzgen/cool-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Fcool-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fitzgen/cool-rs 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/fitzgen/cool-rs [INFO] finished tweaking git repo https://github.com/fitzgen/cool-rs [INFO] tweaked toml for git repo https://github.com/fitzgen/cool-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fitzgen/cool-rs 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 structopt-derive v0.2.13 [INFO] [stderr] Downloaded redox_syscall v0.1.43 [INFO] [stderr] Downloaded utf8-ranges v1.0.2 [INFO] [stderr] Downloaded heck v0.3.0 [INFO] [stderr] Downloaded syn v0.15.22 [INFO] [stderr] Downloaded libc v0.2.44 [INFO] [stderr] Downloaded bit-set v0.5.0 [INFO] [stderr] Downloaded diff v0.1.11 [INFO] [stderr] Downloaded docopt v1.0.2 [INFO] [stderr] Downloaded log v0.4.6 [INFO] [stderr] Downloaded itertools v0.7.11 [INFO] [stderr] Downloaded cc v1.0.25 [INFO] [stderr] Downloaded synstructure v0.10.1 [INFO] [stderr] Downloaded backtrace-sys v0.1.24 [INFO] [stderr] Downloaded serde_derive v1.0.80 [INFO] [stderr] Downloaded new_debug_unreachable v1.0.1 [INFO] [stderr] Downloaded rand_core v0.3.0 [INFO] [stderr] Downloaded string_cache_shared v0.3.0 [INFO] [stderr] Downloaded ordermap v0.3.5 [INFO] [stderr] Downloaded rustc-demangle v0.1.9 [INFO] [stderr] Downloaded backtrace v0.3.9 [INFO] [stderr] Downloaded failure_derive v0.1.3 [INFO] [stderr] Downloaded failure v0.1.3 [INFO] [stderr] Downloaded ascii-canvas v1.0.0 [INFO] [stderr] Downloaded bit-vec v0.5.0 [INFO] [stderr] Downloaded block-padding v0.1.2 [INFO] [stderr] Downloaded byte-tools v0.3.0 [INFO] [stderr] Downloaded block-buffer v0.7.0 [INFO] [stderr] Downloaded typenum v1.10.0 [INFO] [stderr] Downloaded generic-array v0.12.0 [INFO] [stderr] Downloaded digest v0.8.0 [INFO] [stderr] Downloaded opaque-debug v0.2.1 [INFO] [stderr] Downloaded sha2 v0.8.0 [INFO] [stderr] Downloaded serde v1.0.80 [INFO] [stderr] Downloaded rand_core v0.2.2 [INFO] [stderr] Downloaded rand v0.5.5 [INFO] [stderr] Downloaded phf_generator v0.7.23 [INFO] [stderr] Downloaded siphasher v0.2.3 [INFO] [stderr] Downloaded phf_shared v0.7.23 [INFO] [stderr] Downloaded string_cache_codegen v0.4.2 [INFO] [stderr] Downloaded string_cache v0.7.3 [INFO] [stderr] Downloaded aho-corasick v0.6.9 [INFO] [stderr] Downloaded memchr v2.1.1 [INFO] [stderr] Downloaded ucd-util v0.1.3 [INFO] [stderr] Downloaded structopt v0.2.13 [INFO] [stderr] Downloaded regex-syntax v0.6.3 [INFO] [stderr] Downloaded lalrpop-util v0.16.2 [INFO] [stderr] Downloaded id-arena v2.0.0 [INFO] [stderr] Downloaded ena v0.10.1 [INFO] [stderr] Downloaded regex v1.0.6 [INFO] [stderr] Downloaded lalrpop v0.16.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8e31dbe3fd2981753c6e3a01838165f289c7d6835fd6095cde6d58f3183dbee4 [INFO] running `Command { std: "docker" "start" "-a" "8e31dbe3fd2981753c6e3a01838165f289c7d6835fd6095cde6d58f3183dbee4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e31dbe3fd2981753c6e3a01838165f289c7d6835fd6095cde6d58f3183dbee4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e31dbe3fd2981753c6e3a01838165f289c7d6835fd6095cde6d58f3183dbee4", kill_on_drop: false }` [INFO] [stdout] 8e31dbe3fd2981753c6e3a01838165f289c7d6835fd6095cde6d58f3183dbee4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f589bf28cc11f1ab87c9f464a8aa2d515401c9bed616ba3e677457ed08bbc4aa [INFO] running `Command { std: "docker" "start" "-a" "f589bf28cc11f1ab87c9f464a8aa2d515401c9bed616ba3e677457ed08bbc4aa", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling byte-tools v0.3.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling block-padding v0.1.2 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling regex-syntax v0.6.3 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling opaque-debug v0.2.1 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling lalrpop-util v0.16.2 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling heck v0.3.0 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking id-arena v2.0.0 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling block-buffer v0.7.0 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling structopt-derive v0.2.13 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking structopt v0.2.13 [INFO] [stderr] Compiling docopt v1.0.2 [INFO] [stderr] Compiling lalrpop v0.16.2 [INFO] [stderr] Compiling cool-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> build.rs:30:20 [INFO] [stdout] | [INFO] [stdout] 30 | 'a'...'z' | 'A'...'Z' | '0'...'9' => c, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> build.rs:30:32 [INFO] [stdout] | [INFO] [stdout] 30 | 'a'...'z' | 'A'...'Z' | '0'...'9' => c, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> build.rs:30:44 [INFO] [stdout] | [INFO] [stdout] 30 | 'a'...'z' | 'A'...'Z' | '0'...'9' => c, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> build.rs:66:20 [INFO] [stdout] | [INFO] [stdout] 66 | 'a'...'z' | 'A'...'Z' | '0'...'9' => c, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> build.rs:66:32 [INFO] [stdout] | [INFO] [stdout] 66 | 'a'...'z' | 'A'...'Z' | '0'...'9' => c, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> build.rs:66:44 [INFO] [stdout] | [INFO] [stdout] 66 | 'a'...'z' | 'A'...'Z' | '0'...'9' => c, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> build.rs:104:20 [INFO] [stdout] | [INFO] [stdout] 104 | 'a'...'z' | 'A'...'Z' | '0'...'9' => c, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> build.rs:104:32 [INFO] [stdout] | [INFO] [stdout] 104 | 'a'...'z' | 'A'...'Z' | '0'...'9' => c, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> build.rs:104:44 [INFO] [stdout] | [INFO] [stdout] 104 | 'a'...'z' | 'A'...'Z' | '0'...'9' => c, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [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] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `failure` is imported redundantly [INFO] [stdout] --> src/frontend/lexer.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use failure::{self, bail, format_err}; [INFO] [stdout] | ^^^^ the item `failure` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `failure` is imported redundantly [INFO] [stdout] --> src/frontend/lexer.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use failure::{self, bail, format_err}; [INFO] [stdout] | ^^^^ the item `failure` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4637:5 [INFO] [stdout] | [INFO] [stdout] 4637 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4637 - (__0) [INFO] [stdout] 4637 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4648:5 [INFO] [stdout] | [INFO] [stdout] 4648 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4648 - (__0) [INFO] [stdout] 4648 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4840:5 [INFO] [stdout] | [INFO] [stdout] 4840 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4840 - (__0) [INFO] [stdout] 4840 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4851:5 [INFO] [stdout] | [INFO] [stdout] 4851 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4851 - (__0) [INFO] [stdout] 4851 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4927:5 [INFO] [stdout] | [INFO] [stdout] 4927 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4927 - (__0) [INFO] [stdout] 4927 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4962:5 [INFO] [stdout] | [INFO] [stdout] 4962 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4962 - (__0) [INFO] [stdout] 4962 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5043:5 [INFO] [stdout] | [INFO] [stdout] 5043 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5043 - (__0) [INFO] [stdout] 5043 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5054:5 [INFO] [stdout] | [INFO] [stdout] 5054 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5054 - (__0) [INFO] [stdout] 5054 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5100:5 [INFO] [stdout] | [INFO] [stdout] 5100 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5100 - (__0) [INFO] [stdout] 5100 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5173:5 [INFO] [stdout] | [INFO] [stdout] 5173 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5173 - (__0) [INFO] [stdout] 5173 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5210:5 [INFO] [stdout] | [INFO] [stdout] 5210 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5210 - (__0) [INFO] [stdout] 5210 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5247:5 [INFO] [stdout] | [INFO] [stdout] 5247 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5247 - (__0) [INFO] [stdout] 5247 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5284:5 [INFO] [stdout] | [INFO] [stdout] 5284 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5284 - (__0) [INFO] [stdout] 5284 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5321:5 [INFO] [stdout] | [INFO] [stdout] 5321 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5321 - (__0) [INFO] [stdout] 5321 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5344:5 [INFO] [stdout] | [INFO] [stdout] 5344 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5344 - (__0) [INFO] [stdout] 5344 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5367:5 [INFO] [stdout] | [INFO] [stdout] 5367 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5367 - (__0) [INFO] [stdout] 5367 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5390:5 [INFO] [stdout] | [INFO] [stdout] 5390 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5390 - (__0) [INFO] [stdout] 5390 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5413:5 [INFO] [stdout] | [INFO] [stdout] 5413 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5413 - (__0) [INFO] [stdout] 5413 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5446:5 [INFO] [stdout] | [INFO] [stdout] 5446 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5446 - (__0) [INFO] [stdout] 5446 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5705:5 [INFO] [stdout] | [INFO] [stdout] 5705 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5705 - (__0) [INFO] [stdout] 5705 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5903:5 [INFO] [stdout] | [INFO] [stdout] 5903 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5903 - (__0) [INFO] [stdout] 5903 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5977:5 [INFO] [stdout] | [INFO] [stdout] 5977 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5977 - (__0) [INFO] [stdout] 5977 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `failure` is imported redundantly [INFO] [stdout] --> src/lib.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use failure::{self, format_err}; [INFO] [stdout] | ^^^^ the item `failure` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4637:5 [INFO] [stdout] | [INFO] [stdout] 4637 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4637 - (__0) [INFO] [stdout] 4637 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4648:5 [INFO] [stdout] | [INFO] [stdout] 4648 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4648 - (__0) [INFO] [stdout] 4648 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4840:5 [INFO] [stdout] | [INFO] [stdout] 4840 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4840 - (__0) [INFO] [stdout] 4840 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4851:5 [INFO] [stdout] | [INFO] [stdout] 4851 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4851 - (__0) [INFO] [stdout] 4851 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4927:5 [INFO] [stdout] | [INFO] [stdout] 4927 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4927 - (__0) [INFO] [stdout] 4927 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:4962:5 [INFO] [stdout] | [INFO] [stdout] 4962 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4962 - (__0) [INFO] [stdout] 4962 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5043:5 [INFO] [stdout] | [INFO] [stdout] 5043 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5043 - (__0) [INFO] [stdout] 5043 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5054:5 [INFO] [stdout] | [INFO] [stdout] 5054 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5054 - (__0) [INFO] [stdout] 5054 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5100:5 [INFO] [stdout] | [INFO] [stdout] 5100 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5100 - (__0) [INFO] [stdout] 5100 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5173:5 [INFO] [stdout] | [INFO] [stdout] 5173 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5173 - (__0) [INFO] [stdout] 5173 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5210:5 [INFO] [stdout] | [INFO] [stdout] 5210 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5210 - (__0) [INFO] [stdout] 5210 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5247:5 [INFO] [stdout] | [INFO] [stdout] 5247 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5247 - (__0) [INFO] [stdout] 5247 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5284:5 [INFO] [stdout] | [INFO] [stdout] 5284 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5284 - (__0) [INFO] [stdout] 5284 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5321:5 [INFO] [stdout] | [INFO] [stdout] 5321 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5321 - (__0) [INFO] [stdout] 5321 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5344:5 [INFO] [stdout] | [INFO] [stdout] 5344 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5344 - (__0) [INFO] [stdout] 5344 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5367:5 [INFO] [stdout] | [INFO] [stdout] 5367 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5367 - (__0) [INFO] [stdout] 5367 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5390:5 [INFO] [stdout] | [INFO] [stdout] 5390 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5390 - (__0) [INFO] [stdout] 5390 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5413:5 [INFO] [stdout] | [INFO] [stdout] 5413 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5413 - (__0) [INFO] [stdout] 5413 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5446:5 [INFO] [stdout] | [INFO] [stdout] 5446 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5446 - (__0) [INFO] [stdout] 5446 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5705:5 [INFO] [stdout] | [INFO] [stdout] 5705 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5705 - (__0) [INFO] [stdout] 5705 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5903:5 [INFO] [stdout] | [INFO] [stdout] 5903 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5903 - (__0) [INFO] [stdout] 5903 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/cool-rs-4ddac57e5c10f7ae/out/frontend/grammar.rs:5977:5 [INFO] [stdout] | [INFO] [stdout] 5977 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5977 - (__0) [INFO] [stdout] 5977 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `failure` is imported redundantly [INFO] [stdout] --> src/lib.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use failure::{self, format_err}; [INFO] [stdout] | ^^^^ the item `failure` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.22s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.16.2 [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" "f589bf28cc11f1ab87c9f464a8aa2d515401c9bed616ba3e677457ed08bbc4aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f589bf28cc11f1ab87c9f464a8aa2d515401c9bed616ba3e677457ed08bbc4aa", kill_on_drop: false }` [INFO] [stdout] f589bf28cc11f1ab87c9f464a8aa2d515401c9bed616ba3e677457ed08bbc4aa [INFO] checking fitzgen/cool-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Fcool-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fitzgen/cool-rs 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/fitzgen/cool-rs [INFO] finished tweaking git repo https://github.com/fitzgen/cool-rs [INFO] tweaked toml for git repo https://github.com/fitzgen/cool-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/fitzgen/cool-rs 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c60ffdfd67858bf2a3c1171a46050a46252b63a2575e8aa52e0007e42e9d310f [INFO] running `Command { std: "docker" "start" "-a" "c60ffdfd67858bf2a3c1171a46050a46252b63a2575e8aa52e0007e42e9d310f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c60ffdfd67858bf2a3c1171a46050a46252b63a2575e8aa52e0007e42e9d310f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c60ffdfd67858bf2a3c1171a46050a46252b63a2575e8aa52e0007e42e9d310f", kill_on_drop: false }` [INFO] [stdout] c60ffdfd67858bf2a3c1171a46050a46252b63a2575e8aa52e0007e42e9d310f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7abb893ef6da69d381831e4c7ce548151b8883d3613d4504ece799dce5eba41b [INFO] running `Command { std: "docker" "start" "-a" "7abb893ef6da69d381831e4c7ce548151b8883d3613d4504ece799dce5eba41b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling byte-tools v0.3.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling block-padding v0.1.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling regex-syntax v0.6.3 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling opaque-debug v0.2.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling lalrpop-util v0.16.2 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling heck v0.3.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking id-arena v2.0.0 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling block-buffer v0.7.0 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.0.6/src/exec.rs:754:13 [INFO] [stdout] | [INFO] [stdout] 754 | / match dfa::Fsm::reverse( [INFO] [stdout] 755 | | &self.ro.dfa_reverse, [INFO] [stdout] 756 | | self.cache, [INFO] [stdout] 757 | | false, [INFO] [stdout] ... | [INFO] [stdout] 764 | | Quit => return Some(Quit), [INFO] [stdout] 765 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Checking backtrace v0.3.9 [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[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.0.6/src/exec.rs:754:13 [INFO] [stdout] | [INFO] [stdout] 754 | / match dfa::Fsm::reverse( [INFO] [stdout] 755 | | &self.ro.dfa_reverse, [INFO] [stdout] 756 | | self.cache, [INFO] [stdout] 757 | | false, [INFO] [stdout] ... | [INFO] [stdout] 764 | | Quit => return Some(Quit), [INFO] [stdout] 765 | | }; [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" "7abb893ef6da69d381831e4c7ce548151b8883d3613d4504ece799dce5eba41b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7abb893ef6da69d381831e4c7ce548151b8883d3613d4504ece799dce5eba41b", kill_on_drop: false }` [INFO] [stdout] 7abb893ef6da69d381831e4c7ce548151b8883d3613d4504ece799dce5eba41b