[INFO] cloning repository https://github.com/abdulsalam0/learn-RustLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abdulsalam0/learn-RustLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdulsalam0%2Flearn-RustLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdulsalam0%2Flearn-RustLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f59c20d63688600c03ecf8cd086db6a50081ae35
[INFO] testing abdulsalam0/learn-RustLang against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdulsalam0%2Flearn-RustLang" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abdulsalam0/learn-RustLang on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abdulsalam0/learn-RustLang
[INFO] finished tweaking git repo https://github.com/abdulsalam0/learn-RustLang
[INFO] tweaked toml for git repo https://github.com/abdulsalam0/learn-RustLang written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/abdulsalam0/learn-RustLang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 738c558ee5ac46d3ae02cf269f88a28cf87c6ec9fb9d0279b457094d40f4e7f2
[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" "738c558ee5ac46d3ae02cf269f88a28cf87c6ec9fb9d0279b457094d40f4e7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "738c558ee5ac46d3ae02cf269f88a28cf87c6ec9fb9d0279b457094d40f4e7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "738c558ee5ac46d3ae02cf269f88a28cf87c6ec9fb9d0279b457094d40f4e7f2", kill_on_drop: false }`
[INFO] [stdout] 738c558ee5ac46d3ae02cf269f88a28cf87c6ec9fb9d0279b457094d40f4e7f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d59b03873a7b11f65a7988cf2cff74a0774cb606c4d931ddf5762e536f4e3ede
[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" "d59b03873a7b11f65a7988cf2cff74a0774cb606c4d931ddf5762e536f4e3ede", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-RustLang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `learn_RustLang` 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: `learn_rust_lang`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "d59b03873a7b11f65a7988cf2cff74a0774cb606c4d931ddf5762e536f4e3ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59b03873a7b11f65a7988cf2cff74a0774cb606c4d931ddf5762e536f4e3ede", kill_on_drop: false }`
[INFO] [stdout] d59b03873a7b11f65a7988cf2cff74a0774cb606c4d931ddf5762e536f4e3ede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0937b22a24fbf41c7d9cc5fd869c07eba6885eba153ae1f2389af5d6d2c95d5f
[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" "0937b22a24fbf41c7d9cc5fd869c07eba6885eba153ae1f2389af5d6d2c95d5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-RustLang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `learn_RustLang` 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: `learn_rust_lang`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "0937b22a24fbf41c7d9cc5fd869c07eba6885eba153ae1f2389af5d6d2c95d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0937b22a24fbf41c7d9cc5fd869c07eba6885eba153ae1f2389af5d6d2c95d5f", kill_on_drop: false }`
[INFO] [stdout] 0937b22a24fbf41c7d9cc5fd869c07eba6885eba153ae1f2389af5d6d2c95d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce9b9ef7320bd80ea324932e3638c97d8dbb47ecbafb546842f3ef4e7cc0f3a6
[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" "ce9b9ef7320bd80ea324932e3638c97d8dbb47ecbafb546842f3ef4e7cc0f3a6", kill_on_drop: false }`
[INFO] [stderr] warning: crate `learn_RustLang` 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: `learn_rust_lang`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn_RustLang-17a08b763ec3b23e
[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 `Command { std: "docker" "inspect" "ce9b9ef7320bd80ea324932e3638c97d8dbb47ecbafb546842f3ef4e7cc0f3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9b9ef7320bd80ea324932e3638c97d8dbb47ecbafb546842f3ef4e7cc0f3a6", kill_on_drop: false }`
[INFO] [stdout] ce9b9ef7320bd80ea324932e3638c97d8dbb47ecbafb546842f3ef4e7cc0f3a6
