[INFO] cloning repository https://github.com/coopersimon/rcalc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coopersimon/rcalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoopersimon%2Frcalc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoopersimon%2Frcalc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 16298abb83772d3315f6812a23e2d1a5078f2cdc [INFO] testing coopersimon/rcalc against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoopersimon%2Frcalc" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/coopersimon/rcalc on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/coopersimon/rcalc [INFO] finished tweaking git repo https://github.com/coopersimon/rcalc [INFO] tweaked toml for git repo https://github.com/coopersimon/rcalc written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/coopersimon/rcalc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lalrpop-util v0.17.1 [INFO] [stderr] Downloaded regex v1.2.0 [INFO] [stderr] Downloaded ena v0.13.0 [INFO] [stderr] Downloaded backtrace v0.3.33 [INFO] [stderr] Downloaded regex-syntax v0.6.10 [INFO] [stderr] Downloaded lalrpop v0.17.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 84c16726ba80db9b626969bc32b81147456e3b2e4e0b9c324f41716e2f2bf239 [INFO] running `Command { std: "docker" "start" "-a" "84c16726ba80db9b626969bc32b81147456e3b2e4e0b9c324f41716e2f2bf239", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84c16726ba80db9b626969bc32b81147456e3b2e4e0b9c324f41716e2f2bf239", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84c16726ba80db9b626969bc32b81147456e3b2e4e0b9c324f41716e2f2bf239", kill_on_drop: false }` [INFO] [stdout] 84c16726ba80db9b626969bc32b81147456e3b2e4e0b9c324f41716e2f2bf239 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42a912ee2798316c3f3184797d9df2132d7d0beaf5f3a2f15f1f9b7219f1b77e [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" "42a912ee2798316c3f3184797d9df2132d7d0beaf5f3a2f15f1f9b7219f1b77e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling syn v0.15.40 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling ucd-util v0.1.5 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling opaque-debug v0.2.2 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling lalrpop-util v0.17.1 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling regex-syntax v0.6.10 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling regex v1.2.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.97 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.1 [INFO] [stderr] Compiling rcalc v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rcalc-5ad1b056525afcb6/out/rcalc.rs:2961:5 [INFO] [stdout] | [INFO] [stdout] 2961 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:2972:5 [INFO] [stdout] | [INFO] [stdout] 2972 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3020:5 [INFO] [stdout] | [INFO] [stdout] 3020 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3068:5 [INFO] [stdout] | [INFO] [stdout] 3068 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3118:5 [INFO] [stdout] | [INFO] [stdout] 3118 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3142:5 [INFO] [stdout] | [INFO] [stdout] 3142 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3165:5 [INFO] [stdout] | [INFO] [stdout] 3165 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3211:5 [INFO] [stdout] | [INFO] [stdout] 3211 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `Command { std: "docker" "inspect" "42a912ee2798316c3f3184797d9df2132d7d0beaf5f3a2f15f1f9b7219f1b77e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42a912ee2798316c3f3184797d9df2132d7d0beaf5f3a2f15f1f9b7219f1b77e", kill_on_drop: false }` [INFO] [stdout] 42a912ee2798316c3f3184797d9df2132d7d0beaf5f3a2f15f1f9b7219f1b77e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa601d739aba0efe8617fc0a1d7ba8862838729385906884ae3a083a987b2853 [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" "aa601d739aba0efe8617fc0a1d7ba8862838729385906884ae3a083a987b2853", kill_on_drop: false }` [INFO] [stderr] Compiling rcalc v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/rcalc-5ad1b056525afcb6/out/rcalc.rs:2961:5 [INFO] [stdout] | [INFO] [stdout] 2961 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:2972:5 [INFO] [stdout] | [INFO] [stdout] 2972 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3020:5 [INFO] [stdout] | [INFO] [stdout] 3020 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3068:5 [INFO] [stdout] | [INFO] [stdout] 3068 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3118:5 [INFO] [stdout] | [INFO] [stdout] 3118 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3142:5 [INFO] [stdout] | [INFO] [stdout] 3142 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3165:5 [INFO] [stdout] | [INFO] [stdout] 3165 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3211:5 [INFO] [stdout] | [INFO] [stdout] 3211 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.19s [INFO] running `Command { std: "docker" "inspect" "aa601d739aba0efe8617fc0a1d7ba8862838729385906884ae3a083a987b2853", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa601d739aba0efe8617fc0a1d7ba8862838729385906884ae3a083a987b2853", kill_on_drop: false }` [INFO] [stdout] aa601d739aba0efe8617fc0a1d7ba8862838729385906884ae3a083a987b2853 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9ac304172357dd806847700afc247283ccf79e039bb7b888af11bd73e9a530b8 [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" "9ac304172357dd806847700afc247283ccf79e039bb7b888af11bd73e9a530b8", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rcalc-5ad1b056525afcb6/out/rcalc.rs:2961:5 [INFO] [stderr] | [INFO] [stderr] 2961 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:2972:5 [INFO] [stderr] | [INFO] [stderr] 2972 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3020:5 [INFO] [stderr] | [INFO] [stderr] 3020 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3068:5 [INFO] [stderr] | [INFO] [stderr] 3068 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3118:5 [INFO] [stderr] | [INFO] [stderr] 3118 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3142:5 [INFO] [stderr] | [INFO] [stderr] 3142 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3165:5 [INFO] [stderr] | [INFO] [stderr] 3165 | (__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/rcalc-5ad1b056525afcb6/out/rcalc.rs:3211:5 [INFO] [stderr] | [INFO] [stderr] 3211 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: `rcalc` (bin "rcalc" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rcalc-8f311a9a65019407) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9ac304172357dd806847700afc247283ccf79e039bb7b888af11bd73e9a530b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ac304172357dd806847700afc247283ccf79e039bb7b888af11bd73e9a530b8", kill_on_drop: false }` [INFO] [stdout] 9ac304172357dd806847700afc247283ccf79e039bb7b888af11bd73e9a530b8