[INFO] cloning repository https://github.com/NicholasLYang/rust-calculator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicholasLYang/rust-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Frust-calculator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Frust-calculator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a85d3d559e4fa9652f54276213edd771a4c48c6 [INFO] checking NicholasLYang/rust-calculator against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Frust-calculator" "/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/NicholasLYang/rust-calculator on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NicholasLYang/rust-calculator [INFO] finished tweaking git repo https://github.com/NicholasLYang/rust-calculator [INFO] tweaked toml for git repo https://github.com/NicholasLYang/rust-calculator written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/NicholasLYang/rust-calculator 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lalrpop-util v0.16.1 [INFO] [stderr] Downloaded string_cache v0.7.3 [INFO] [stderr] Downloaded memchr v2.1.0 [INFO] [stderr] Downloaded lazy_static v1.1.0 [INFO] [stderr] Downloaded utf8-ranges v1.0.1 [INFO] [stderr] Downloaded aho-corasick v0.6.8 [INFO] [stderr] Downloaded string_cache_codegen v0.4.2 [INFO] [stderr] Downloaded log v0.4.5 [INFO] [stderr] Downloaded bit-vec v0.5.0 [INFO] [stderr] Downloaded bit-set v0.5.0 [INFO] [stderr] Downloaded redox_syscall v0.1.40 [INFO] [stderr] Downloaded docopt v1.0.1 [INFO] [stderr] Downloaded regex v1.0.5 [INFO] [stderr] Downloaded regex-syntax v0.6.2 [INFO] [stderr] Downloaded syn v0.15.14 [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 diff v0.1.11 [INFO] [stderr] Downloaded serde_derive v1.0.80 [INFO] [stderr] Downloaded block-padding v0.1.2 [INFO] [stderr] Downloaded byte-tools v0.3.0 [INFO] [stderr] Downloaded opaque-debug v0.2.1 [INFO] [stderr] Downloaded rand_core v0.3.0 [INFO] [stderr] Downloaded phf_shared v0.7.23 [INFO] [stderr] Downloaded itertools v0.7.8 [INFO] [stderr] Downloaded block-buffer v0.7.0 [INFO] [stderr] Downloaded new_debug_unreachable v1.0.1 [INFO] [stderr] Downloaded phf_generator v0.7.23 [INFO] [stderr] Downloaded ena v0.10.1 [INFO] [stderr] Downloaded proc-macro2 v0.4.20 [INFO] [stderr] Downloaded quote v0.6.8 [INFO] [stderr] Downloaded lalrpop v0.16.1 [INFO] [stderr] Downloaded libc v0.2.43 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65484999404e6dd5af953991b278a6c6b1aac90241f92f015f54e915af043dd2 [INFO] running `Command { std: "docker" "start" "-a" "65484999404e6dd5af953991b278a6c6b1aac90241f92f015f54e915af043dd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65484999404e6dd5af953991b278a6c6b1aac90241f92f015f54e915af043dd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65484999404e6dd5af953991b278a6c6b1aac90241f92f015f54e915af043dd2", kill_on_drop: false }` [INFO] [stdout] 65484999404e6dd5af953991b278a6c6b1aac90241f92f015f54e915af043dd2 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4389a65cd0010ea4b24e4cf15696884d9a7431fa3f1d77c191160caf80d58234 [INFO] running `Command { std: "docker" "start" "-a" "4389a65cd0010ea4b24e4cf15696884d9a7431fa3f1d77c191160caf80d58234", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling byte-tools v0.3.0 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling utf8-ranges v1.0.1 [INFO] [stderr] Compiling block-padding v0.1.2 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling opaque-debug v0.2.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling lalrpop-util v0.16.1 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Compiling syn v0.15.14 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling string_cache v0.7.3 [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 serde_derive v1.0.80 [INFO] [stderr] Compiling docopt v1.0.1 [INFO] [stderr] Compiling lalrpop v0.16.1 [INFO] [stderr] Compiling rust-calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1622:5 [INFO] [stdout] | [INFO] [stdout] 1622 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1622 - (__0) [INFO] [stdout] 1622 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1630:5 [INFO] [stdout] | [INFO] [stdout] 1630 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1630 - (__0) [INFO] [stdout] 1630 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1638:5 [INFO] [stdout] | [INFO] [stdout] 1638 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1638 - (__0) [INFO] [stdout] 1638 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1666:5 [INFO] [stdout] | [INFO] [stdout] 1666 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1666 - (__0) [INFO] [stdout] 1666 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1694:5 [INFO] [stdout] | [INFO] [stdout] 1694 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1694 - (__0) [INFO] [stdout] 1694 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1712:5 [INFO] [stdout] | [INFO] [stdout] 1712 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1712 - (__0) [INFO] [stdout] 1712 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1622:5 [INFO] [stdout] | [INFO] [stdout] 1622 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1622 - (__0) [INFO] [stdout] 1622 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1630:5 [INFO] [stdout] | [INFO] [stdout] 1630 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1630 - (__0) [INFO] [stdout] 1630 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1638:5 [INFO] [stdout] | [INFO] [stdout] 1638 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1638 - (__0) [INFO] [stdout] 1638 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1666:5 [INFO] [stdout] | [INFO] [stdout] 1666 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1666 - (__0) [INFO] [stdout] 1666 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1694:5 [INFO] [stdout] | [INFO] [stdout] 1694 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1694 - (__0) [INFO] [stdout] 1694 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-2a9f3312d671b2fc/out/parser.rs:1712:5 [INFO] [stdout] | [INFO] [stdout] 1712 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1712 - (__0) [INFO] [stdout] 1712 + __0 [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 20.88s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.16.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "4389a65cd0010ea4b24e4cf15696884d9a7431fa3f1d77c191160caf80d58234", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4389a65cd0010ea4b24e4cf15696884d9a7431fa3f1d77c191160caf80d58234", kill_on_drop: false }` [INFO] [stdout] 4389a65cd0010ea4b24e4cf15696884d9a7431fa3f1d77c191160caf80d58234 [INFO] checking NicholasLYang/rust-calculator against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Frust-calculator" "/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/NicholasLYang/rust-calculator on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NicholasLYang/rust-calculator [INFO] finished tweaking git repo https://github.com/NicholasLYang/rust-calculator [INFO] tweaked toml for git repo https://github.com/NicholasLYang/rust-calculator written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NicholasLYang/rust-calculator 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c33fa8592944b15cb3da191c0530e7cef0569f308505c45c6ff7d1f67cc70f1 [INFO] running `Command { std: "docker" "start" "-a" "3c33fa8592944b15cb3da191c0530e7cef0569f308505c45c6ff7d1f67cc70f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c33fa8592944b15cb3da191c0530e7cef0569f308505c45c6ff7d1f67cc70f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c33fa8592944b15cb3da191c0530e7cef0569f308505c45c6ff7d1f67cc70f1", kill_on_drop: false }` [INFO] [stdout] 3c33fa8592944b15cb3da191c0530e7cef0569f308505c45c6ff7d1f67cc70f1 [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77c6a38de3cc091a4a267e58a2cc39fa0012d6f65e33bc8e862a6b3e51b081df [INFO] running `Command { std: "docker" "start" "-a" "77c6a38de3cc091a4a267e58a2cc39fa0012d6f65e33bc8e862a6b3e51b081df", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling byte-tools v0.3.0 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling utf8-ranges v1.0.1 [INFO] [stderr] Compiling block-padding v0.1.2 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling opaque-debug v0.2.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling lalrpop-util v0.16.1 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling syn v0.15.14 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling block-buffer v0.7.0 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling docopt v1.0.1 [INFO] [stderr] Compiling lalrpop v0.16.1 [INFO] [stderr] Compiling rust-calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1622:5 [INFO] [stdout] | [INFO] [stdout] 1622 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1622 - (__0) [INFO] [stdout] 1622 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1630:5 [INFO] [stdout] | [INFO] [stdout] 1630 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1630 - (__0) [INFO] [stdout] 1630 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1638:5 [INFO] [stdout] | [INFO] [stdout] 1638 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1638 - (__0) [INFO] [stdout] 1638 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1666:5 [INFO] [stdout] | [INFO] [stdout] 1666 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1666 - (__0) [INFO] [stdout] 1666 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1694:5 [INFO] [stdout] | [INFO] [stdout] 1694 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1694 - (__0) [INFO] [stdout] 1694 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1712:5 [INFO] [stdout] | [INFO] [stdout] 1712 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1712 - (__0) [INFO] [stdout] 1712 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1622:5 [INFO] [stdout] | [INFO] [stdout] 1622 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1622 - (__0) [INFO] [stdout] 1622 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1630:5 [INFO] [stdout] | [INFO] [stdout] 1630 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1630 - (__0) [INFO] [stdout] 1630 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1638:5 [INFO] [stdout] | [INFO] [stdout] 1638 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1638 - (__0) [INFO] [stdout] 1638 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1666:5 [INFO] [stdout] | [INFO] [stdout] 1666 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1666 - (__0) [INFO] [stdout] 1666 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1694:5 [INFO] [stdout] | [INFO] [stdout] 1694 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1694 - (__0) [INFO] [stdout] 1694 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust-calculator-7d322a55bd7af8c4/out/parser.rs:1712:5 [INFO] [stdout] | [INFO] [stdout] 1712 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1712 - (__0) [INFO] [stdout] 1712 + __0 [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 23.27s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.16.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "77c6a38de3cc091a4a267e58a2cc39fa0012d6f65e33bc8e862a6b3e51b081df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77c6a38de3cc091a4a267e58a2cc39fa0012d6f65e33bc8e862a6b3e51b081df", kill_on_drop: false }` [INFO] [stdout] 77c6a38de3cc091a4a267e58a2cc39fa0012d6f65e33bc8e862a6b3e51b081df