[INFO] cloning repository https://github.com/SuhailRafi/Exploring_RUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SuhailRafi/Exploring_RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuhailRafi%2FExploring_RUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuhailRafi%2FExploring_RUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5e2224db2e89f7e6cafc9b765159a6428e83c46
[INFO] testing SuhailRafi/Exploring_RUST against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuhailRafi%2FExploring_RUST" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SuhailRafi/Exploring_RUST on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SuhailRafi/Exploring_RUST
[INFO] finished tweaking git repo https://github.com/SuhailRafi/Exploring_RUST
[INFO] tweaked toml for git repo https://github.com/SuhailRafi/Exploring_RUST written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/SuhailRafi/Exploring_RUST already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] db54c5485ec0bc34c4873a2b8b8c8e0eaaa0f9502738f88193c55ccb22c7fc8e
[INFO] running `Command { std: "docker" "start" "-a" "db54c5485ec0bc34c4873a2b8b8c8e0eaaa0f9502738f88193c55ccb22c7fc8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db54c5485ec0bc34c4873a2b8b8c8e0eaaa0f9502738f88193c55ccb22c7fc8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db54c5485ec0bc34c4873a2b8b8c8e0eaaa0f9502738f88193c55ccb22c7fc8e", kill_on_drop: false }`
[INFO] [stdout] db54c5485ec0bc34c4873a2b8b8c8e0eaaa0f9502738f88193c55ccb22c7fc8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", 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] f6d41eca21ad47ba2b3fba8517e9fa8e207901bfc39fd38631a28486a182f0ee
[INFO] running `Command { std: "docker" "start" "-a" "f6d41eca21ad47ba2b3fba8517e9fa8e207901bfc39fd38631a28486a182f0ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling RUST v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RUST` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "f6d41eca21ad47ba2b3fba8517e9fa8e207901bfc39fd38631a28486a182f0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d41eca21ad47ba2b3fba8517e9fa8e207901bfc39fd38631a28486a182f0ee", kill_on_drop: false }`
[INFO] [stdout] f6d41eca21ad47ba2b3fba8517e9fa8e207901bfc39fd38631a28486a182f0ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba5625bcd89973a50f6c134f020b7f998a92fd6879cc90c2ae4dc31ccd4c136
[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" "7ba5625bcd89973a50f6c134f020b7f998a92fd6879cc90c2ae4dc31ccd4c136", kill_on_drop: false }`
[INFO] [stderr]    Compiling RUST v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RUST` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "7ba5625bcd89973a50f6c134f020b7f998a92fd6879cc90c2ae4dc31ccd4c136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba5625bcd89973a50f6c134f020b7f998a92fd6879cc90c2ae4dc31ccd4c136", kill_on_drop: false }`
[INFO] [stdout] 7ba5625bcd89973a50f6c134f020b7f998a92fd6879cc90c2ae4dc31ccd4c136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09c81c89801dcbe372f5413e108a65fb4e9f454a21f824a17f1b35750a1e795a
[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" "09c81c89801dcbe372f5413e108a65fb4e9f454a21f824a17f1b35750a1e795a", kill_on_drop: false }`
[INFO] [stderr] warning: crate `RUST` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust`
[INFO] [stderr] 
[INFO] [stderr] warning: `RUST` (bin "RUST" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/RUST-78044027c0d687de)
[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" "09c81c89801dcbe372f5413e108a65fb4e9f454a21f824a17f1b35750a1e795a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c81c89801dcbe372f5413e108a65fb4e9f454a21f824a17f1b35750a1e795a", kill_on_drop: false }`
[INFO] [stdout] 09c81c89801dcbe372f5413e108a65fb4e9f454a21f824a17f1b35750a1e795a