[INFO] cloning repository https://github.com/davelively14/udemy-rust-playground
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davelively14/udemy-rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavelively14%2Fudemy-rust-playground"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavelively14%2Fudemy-rust-playground'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5c4e6688d8cae040a94d34c6f5f792a1c5f8ef3
[INFO] testing davelively14/udemy-rust-playground against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavelively14%2Fudemy-rust-playground" "/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/davelively14/udemy-rust-playground on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/davelively14/udemy-rust-playground
[INFO] finished tweaking git repo https://github.com/davelively14/udemy-rust-playground
[INFO] tweaked toml for git repo https://github.com/davelively14/udemy-rust-playground written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/davelively14/udemy-rust-playground already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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=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" "+1.44.0" "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] 5283d68c51d1dd30b02d6bb6840c93cb96c27f86fb326c2b4cf4300ddc031186
[INFO] running `"docker" "start" "-a" "5283d68c51d1dd30b02d6bb6840c93cb96c27f86fb326c2b4cf4300ddc031186"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/barycenter.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let tuples: Vec<(_)> = bodies.iter().tuples().collect();
[INFO] [stderr]    |                     ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.97s
[INFO] running `"docker" "inspect" "5283d68c51d1dd30b02d6bb6840c93cb96c27f86fb326c2b4cf4300ddc031186"`
[INFO] running `"docker" "rm" "-f" "5283d68c51d1dd30b02d6bb6840c93cb96c27f86fb326c2b4cf4300ddc031186"`
[INFO] [stdout] 5283d68c51d1dd30b02d6bb6840c93cb96c27f86fb326c2b4cf4300ddc031186
[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=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" "+1.44.0" "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] 379d011d0daa00ee7fd2439708694ef75663f3fcec00ee6613506f0b31fe9169
[INFO] running `"docker" "start" "-a" "379d011d0daa00ee7fd2439708694ef75663f3fcec00ee6613506f0b31fe9169"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/barycenter.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let tuples: Vec<(_)> = bodies.iter().tuples().collect();
[INFO] [stderr]    |                     ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "379d011d0daa00ee7fd2439708694ef75663f3fcec00ee6613506f0b31fe9169"`
[INFO] running `"docker" "rm" "-f" "379d011d0daa00ee7fd2439708694ef75663f3fcec00ee6613506f0b31fe9169"`
[INFO] [stdout] 379d011d0daa00ee7fd2439708694ef75663f3fcec00ee6613506f0b31fe9169
[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=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" "+1.44.0" "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] cdb9244c09d7dcbb58338a7e6b1292c672ad9a707a525d83de7dc3178ce9fd14
[INFO] running `"docker" "start" "-a" "cdb9244c09d7dcbb58338a7e6b1292c672ad9a707a525d83de7dc3178ce9fd14"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/barycenter.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let tuples: Vec<(_)> = bodies.iter().tuples().collect();
[INFO] [stderr]    |                     ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/playground-b82e0400407b0c9d
[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" "cdb9244c09d7dcbb58338a7e6b1292c672ad9a707a525d83de7dc3178ce9fd14"`
[INFO] running `"docker" "rm" "-f" "cdb9244c09d7dcbb58338a7e6b1292c672ad9a707a525d83de7dc3178ce9fd14"`
[INFO] [stdout] cdb9244c09d7dcbb58338a7e6b1292c672ad9a707a525d83de7dc3178ce9fd14