[INFO] updating cached repository https://github.com/NicholasLYang/rust-calculator [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5a85d3d559e4fa9652f54276213edd771a4c48c6 [INFO] testing NicholasLYang/rust-calculator against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Frust-calculator" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NicholasLYang/rust-calculator on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [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-13/source/Cargo.toml [INFO] crate git repo https://github.com/NicholasLYang/rust-calculator already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stdout] 530783c49aa6651bb53434389ee1318aaa5586a802ac1eb2cd92efdcb70b36e4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "530783c49aa6651bb53434389ee1318aaa5586a802ac1eb2cd92efdcb70b36e4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rand_core v0.3.0 [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 serde v1.0.80 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling byte-tools v0.3.0 [INFO] [stderr] Compiling utf8-ranges v1.0.1 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling opaque-debug v0.2.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling lalrpop-util v0.16.1 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling block-padding v0.1.2 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling syn v0.15.14 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [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 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] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1622:5 [INFO] [stderr] | [INFO] [stderr] 1622 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1630:5 [INFO] [stderr] | [INFO] [stderr] 1630 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1638:5 [INFO] [stderr] | [INFO] [stderr] 1638 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1666:5 [INFO] [stderr] | [INFO] [stderr] 1666 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1694:5 [INFO] [stderr] | [INFO] [stderr] 1694 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1712:5 [INFO] [stderr] | [INFO] [stderr] 1712 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 02s [INFO] running `"docker" "inspect" "530783c49aa6651bb53434389ee1318aaa5586a802ac1eb2cd92efdcb70b36e4"` [INFO] running `"docker" "rm" "-f" "530783c49aa6651bb53434389ee1318aaa5586a802ac1eb2cd92efdcb70b36e4"` [INFO] [stdout] 530783c49aa6651bb53434389ee1318aaa5586a802ac1eb2cd92efdcb70b36e4 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stdout] 6f5ab76b642c6e8cbc3118a797ff0e26eea86a2c140b2bc2c2a4e4b56caf4411 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "6f5ab76b642c6e8cbc3118a797ff0e26eea86a2c140b2bc2c2a4e4b56caf4411"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rust-calculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1622:5 [INFO] [stderr] | [INFO] [stderr] 1622 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1630:5 [INFO] [stderr] | [INFO] [stderr] 1630 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1638:5 [INFO] [stderr] | [INFO] [stderr] 1638 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1666:5 [INFO] [stderr] | [INFO] [stderr] 1666 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1694:5 [INFO] [stderr] | [INFO] [stderr] 1694 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1712:5 [INFO] [stderr] | [INFO] [stderr] 1712 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.48s [INFO] running `"docker" "inspect" "6f5ab76b642c6e8cbc3118a797ff0e26eea86a2c140b2bc2c2a4e4b56caf4411"` [INFO] running `"docker" "rm" "-f" "6f5ab76b642c6e8cbc3118a797ff0e26eea86a2c140b2bc2c2a4e4b56caf4411"` [INFO] [stdout] 6f5ab76b642c6e8cbc3118a797ff0e26eea86a2c140b2bc2c2a4e4b56caf4411 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2c8ea274014f0b2af6cc2a94444b0220b63161084f7e12093a33d74e28a4882e [INFO] running `"docker" "start" "-a" "2c8ea274014f0b2af6cc2a94444b0220b63161084f7e12093a33d74e28a4882e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1622:5 [INFO] [stderr] | [INFO] [stderr] 1622 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1630:5 [INFO] [stderr] | [INFO] [stderr] 1630 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1638:5 [INFO] [stderr] | [INFO] [stderr] 1638 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1666:5 [INFO] [stderr] | [INFO] [stderr] 1666 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1694:5 [INFO] [stderr] | [INFO] [stderr] 1694 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-4f079ca3a6f50d48/out/parser.rs:1712:5 [INFO] [stderr] | [INFO] [stderr] 1712 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_calculator-fd6537363ae703af [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_optimize ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "2c8ea274014f0b2af6cc2a94444b0220b63161084f7e12093a33d74e28a4882e"` [INFO] running `"docker" "rm" "-f" "2c8ea274014f0b2af6cc2a94444b0220b63161084f7e12093a33d74e28a4882e"` [INFO] [stdout] 2c8ea274014f0b2af6cc2a94444b0220b63161084f7e12093a33d74e28a4882e