[INFO] updating cached repository https://github.com/sweetmandm/rust-cool [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] cd0594f7950276256500408c16c730c8c5517e41 [INFO] testing sweetmandm/rust-cool against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsweetmandm%2Frust-cool" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sweetmandm/rust-cool on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sweetmandm/rust-cool [INFO] finished tweaking git repo https://github.com/sweetmandm/rust-cool [INFO] tweaked toml for git repo https://github.com/sweetmandm/rust-cool written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/sweetmandm/rust-cool already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 73b7b87e832e14370b7a25308744a1863ae500489e21ecf5ec3fb4a49cf2d1cf [INFO] running `"docker" "start" "-a" "73b7b87e832e14370b7a25308744a1863ae500489e21ecf5ec3fb4a49cf2d1cf"` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling ucd-util v0.1.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling vec_map v0.6.0 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling lalr v0.0.2 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling itertools v0.8.1 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling redfa v0.0.2 [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 ena v0.13.1 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling block-buffer v0.7.3 [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 sha2 v0.8.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling plex v0.2.5 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.2 [INFO] [stderr] Compiling rust-cool v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-cool-6712ffdda3e45f91/out/cool.rs:4406:5 [INFO] [stderr] | [INFO] [stderr] 4406 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4415:5 [INFO] [stderr] | [INFO] [stderr] 4415 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4612:5 [INFO] [stderr] | [INFO] [stderr] 4612 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4621:5 [INFO] [stderr] | [INFO] [stderr] 4621 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4739:5 [INFO] [stderr] | [INFO] [stderr] 4739 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4763:5 [INFO] [stderr] | [INFO] [stderr] 4763 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4832:5 [INFO] [stderr] | [INFO] [stderr] 4832 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4872:5 [INFO] [stderr] | [INFO] [stderr] 4872 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4899:5 [INFO] [stderr] | [INFO] [stderr] 4899 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4908:5 [INFO] [stderr] | [INFO] [stderr] 4908 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 17s [INFO] running `"docker" "inspect" "73b7b87e832e14370b7a25308744a1863ae500489e21ecf5ec3fb4a49cf2d1cf"` [INFO] running `"docker" "rm" "-f" "73b7b87e832e14370b7a25308744a1863ae500489e21ecf5ec3fb4a49cf2d1cf"` [INFO] [stdout] 73b7b87e832e14370b7a25308744a1863ae500489e21ecf5ec3fb4a49cf2d1cf [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dc26d55e800283ff5daa731036b6a65b7df3bdc45c27ebde2111b24afa83f81e [INFO] running `"docker" "start" "-a" "dc26d55e800283ff5daa731036b6a65b7df3bdc45c27ebde2111b24afa83f81e"` [INFO] [stderr] Compiling rust-cool v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-cool-6712ffdda3e45f91/out/cool.rs:4406:5 [INFO] [stderr] | [INFO] [stderr] 4406 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4415:5 [INFO] [stderr] | [INFO] [stderr] 4415 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4612:5 [INFO] [stderr] | [INFO] [stderr] 4612 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4621:5 [INFO] [stderr] | [INFO] [stderr] 4621 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4739:5 [INFO] [stderr] | [INFO] [stderr] 4739 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4763:5 [INFO] [stderr] | [INFO] [stderr] 4763 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4832:5 [INFO] [stderr] | [INFO] [stderr] 4832 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4872:5 [INFO] [stderr] | [INFO] [stderr] 4872 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4899:5 [INFO] [stderr] | [INFO] [stderr] 4899 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4908:5 [INFO] [stderr] | [INFO] [stderr] 4908 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.40s [INFO] running `"docker" "inspect" "dc26d55e800283ff5daa731036b6a65b7df3bdc45c27ebde2111b24afa83f81e"` [INFO] running `"docker" "rm" "-f" "dc26d55e800283ff5daa731036b6a65b7df3bdc45c27ebde2111b24afa83f81e"` [INFO] [stdout] dc26d55e800283ff5daa731036b6a65b7df3bdc45c27ebde2111b24afa83f81e [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 6fd4874bf183d9df10ef59f150c5cfa848ebb9b1b4076fc65dc32881585f308d [INFO] running `"docker" "start" "-a" "6fd4874bf183d9df10ef59f150c5cfa848ebb9b1b4076fc65dc32881585f308d"` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust-cool-6712ffdda3e45f91/out/cool.rs:4406:5 [INFO] [stderr] | [INFO] [stderr] 4406 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4415:5 [INFO] [stderr] | [INFO] [stderr] 4415 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4612:5 [INFO] [stderr] | [INFO] [stderr] 4612 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4621:5 [INFO] [stderr] | [INFO] [stderr] 4621 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4739:5 [INFO] [stderr] | [INFO] [stderr] 4739 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4763:5 [INFO] [stderr] | [INFO] [stderr] 4763 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4832:5 [INFO] [stderr] | [INFO] [stderr] 4832 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4872:5 [INFO] [stderr] | [INFO] [stderr] 4872 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4899:5 [INFO] [stderr] | [INFO] [stderr] 4899 | (__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-cool-6712ffdda3e45f91/out/cool.rs:4908:5 [INFO] [stderr] | [INFO] [stderr] 4908 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.92s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_cool-70b06a2fbe19ba3f [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "6fd4874bf183d9df10ef59f150c5cfa848ebb9b1b4076fc65dc32881585f308d"` [INFO] running `"docker" "rm" "-f" "6fd4874bf183d9df10ef59f150c5cfa848ebb9b1b4076fc65dc32881585f308d"` [INFO] [stdout] 6fd4874bf183d9df10ef59f150c5cfa848ebb9b1b4076fc65dc32881585f308d