[INFO] fetching crate math-calc 0.1.0... [INFO] checking math-calc-0.1.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] extracting crate math-calc 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate math-calc 0.1.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate math-calc 0.1.0 [INFO] finished tweaking crates.io crate math-calc 0.1.0 [INFO] tweaked toml for crates.io crate math-calc 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ena v0.13.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 005eba65f456eea3d275ce547f13400e249a8ee0b065411d72158729dc1de371 [INFO] running `Command { std: "docker" "start" "-a" "005eba65f456eea3d275ce547f13400e249a8ee0b065411d72158729dc1de371", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "005eba65f456eea3d275ce547f13400e249a8ee0b065411d72158729dc1de371", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "005eba65f456eea3d275ce547f13400e249a8ee0b065411d72158729dc1de371", kill_on_drop: false }` [INFO] [stdout] 005eba65f456eea3d275ce547f13400e249a8ee0b065411d72158729dc1de371 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7120c32f2f55a44a77ad34d4cd8ffce7f86514100e93fc5dc37a441f730045e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e7120c32f2f55a44a77ad34d4cd8ffce7f86514100e93fc5dc37a441f730045e", kill_on_drop: false }` [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling string_cache v0.7.5 [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 v0.8.2 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.2 [INFO] [stderr] Compiling math-calc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:995:5 [INFO] [stdout] | [INFO] [stdout] 995 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1006:5 [INFO] [stdout] | [INFO] [stdout] 1006 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1071:5 [INFO] [stdout] | [INFO] [stdout] 1071 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1108:5 [INFO] [stdout] | [INFO] [stdout] 1108 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1132:5 [INFO] [stdout] | [INFO] [stdout] 1132 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:995:5 [INFO] [stdout] | [INFO] [stdout] 995 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1143:5 [INFO] [stdout] | [INFO] [stdout] 1143 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1156:5 [INFO] [stdout] | [INFO] [stdout] 1156 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1006:5 [INFO] [stdout] | [INFO] [stdout] 1006 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1071:5 [INFO] [stdout] | [INFO] [stdout] 1071 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1108:5 [INFO] [stdout] | [INFO] [stdout] 1108 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1132:5 [INFO] [stdout] | [INFO] [stdout] 1132 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1143:5 [INFO] [stdout] | [INFO] [stdout] 1143 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/math-calc-773aa1b92340a4da/out/grammar.rs:1156:5 [INFO] [stdout] | [INFO] [stdout] 1156 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.42s [INFO] running `Command { std: "docker" "inspect" "e7120c32f2f55a44a77ad34d4cd8ffce7f86514100e93fc5dc37a441f730045e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7120c32f2f55a44a77ad34d4cd8ffce7f86514100e93fc5dc37a441f730045e", kill_on_drop: false }` [INFO] [stdout] e7120c32f2f55a44a77ad34d4cd8ffce7f86514100e93fc5dc37a441f730045e