[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a85d3d559e4fa9652f54276213edd771a4c48c6 [INFO] testing NicholasLYang/rust-calculator against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Frust-calculator" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NicholasLYang/rust-calculator on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a8d18e4c3892802fee5e1ffb6c915e89e036a3e80189d84ecddd2fb1c5318e3 [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" "3a8d18e4c3892802fee5e1ffb6c915e89e036a3e80189d84ecddd2fb1c5318e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a8d18e4c3892802fee5e1ffb6c915e89e036a3e80189d84ecddd2fb1c5318e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a8d18e4c3892802fee5e1ffb6c915e89e036a3e80189d84ecddd2fb1c5318e3", kill_on_drop: false }` [INFO] [stdout] 3a8d18e4c3892802fee5e1ffb6c915e89e036a3e80189d84ecddd2fb1c5318e3 [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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bef04c4472286ca44ab31bf75134cdf384e9987d979c15544e77614a5d9f7def [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" "bef04c4472286ca44ab31bf75134cdf384e9987d979c15544e77614a5d9f7def", kill_on_drop: false }` [INFO] [stderr] Compiling byte-tools v0.3.0 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling opaque-debug v0.2.1 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling lalrpop-util v0.16.1 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling syn v0.15.14 [INFO] [stderr] Compiling block-padding v0.1.2 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling aho-corasick v0.6.8 [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 regex v1.0.5 [INFO] [stderr] Compiling regex v0.2.11 [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-423e2557cce5a34f/out/parser.rs:1622:5 [INFO] [stdout] | [INFO] [stdout] 1622 | (__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/rust-calculator-423e2557cce5a34f/out/parser.rs:1630:5 [INFO] [stdout] | [INFO] [stdout] 1630 | (__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/rust-calculator-423e2557cce5a34f/out/parser.rs:1638:5 [INFO] [stdout] | [INFO] [stdout] 1638 | (__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/rust-calculator-423e2557cce5a34f/out/parser.rs:1666:5 [INFO] [stdout] | [INFO] [stdout] 1666 | (__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/rust-calculator-423e2557cce5a34f/out/parser.rs:1694:5 [INFO] [stdout] | [INFO] [stdout] 1694 | (__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/rust-calculator-423e2557cce5a34f/out/parser.rs:1712:5 [INFO] [stdout] | [INFO] [stdout] 1712 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 29s [INFO] running `Command { std: "docker" "inspect" "bef04c4472286ca44ab31bf75134cdf384e9987d979c15544e77614a5d9f7def", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bef04c4472286ca44ab31bf75134cdf384e9987d979c15544e77614a5d9f7def", kill_on_drop: false }` [INFO] [stdout] bef04c4472286ca44ab31bf75134cdf384e9987d979c15544e77614a5d9f7def [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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43af52363d21535c9c8cca348a4e80e096d97a4adf33b8d7c1bb3d96ae1854bf [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" "43af52363d21535c9c8cca348a4e80e096d97a4adf33b8d7c1bb3d96ae1854bf", kill_on_drop: false }` [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-423e2557cce5a34f/out/parser.rs:1622:5 [INFO] [stdout] | [INFO] [stdout] 1622 | (__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/rust-calculator-423e2557cce5a34f/out/parser.rs:1630:5 [INFO] [stdout] | [INFO] [stdout] 1630 | (__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/rust-calculator-423e2557cce5a34f/out/parser.rs:1638:5 [INFO] [stdout] | [INFO] [stdout] 1638 | (__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/rust-calculator-423e2557cce5a34f/out/parser.rs:1666:5 [INFO] [stdout] | [INFO] [stdout] 1666 | (__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/rust-calculator-423e2557cce5a34f/out/parser.rs:1694:5 [INFO] [stdout] | [INFO] [stdout] 1694 | (__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/rust-calculator-423e2557cce5a34f/out/parser.rs:1712:5 [INFO] [stdout] | [INFO] [stdout] 1712 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.08s [INFO] running `Command { std: "docker" "inspect" "43af52363d21535c9c8cca348a4e80e096d97a4adf33b8d7c1bb3d96ae1854bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43af52363d21535c9c8cca348a4e80e096d97a4adf33b8d7c1bb3d96ae1854bf", kill_on_drop: false }` [INFO] [stdout] 43af52363d21535c9c8cca348a4e80e096d97a4adf33b8d7c1bb3d96ae1854bf [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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9d03cd6469602aee3b8ff3cffcac389f4d35a6f2206d308be46256e880b243fd [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" "9d03cd6469602aee3b8ff3cffcac389f4d35a6f2206d308be46256e880b243fd", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-calculator-423e2557cce5a34f/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-423e2557cce5a34f/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-423e2557cce5a34f/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-423e2557cce5a34f/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-423e2557cce5a34f/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-423e2557cce5a34f/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 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_calculator-009a50e34e195e9c [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 `Command { std: "docker" "inspect" "9d03cd6469602aee3b8ff3cffcac389f4d35a6f2206d308be46256e880b243fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d03cd6469602aee3b8ff3cffcac389f4d35a6f2206d308be46256e880b243fd", kill_on_drop: false }` [INFO] [stdout] 9d03cd6469602aee3b8ff3cffcac389f4d35a6f2206d308be46256e880b243fd