[INFO] cloning repository https://github.com/um4ng-tiw/Rust_Practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/um4ng-tiw/Rust_Practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fum4ng-tiw%2FRust_Practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fum4ng-tiw%2FRust_Practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e9d530a201f65e7690ec0a1a8f26b6efcea38b9
[INFO] testing um4ng-tiw/Rust_Practice against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fum4ng-tiw%2FRust_Practice" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/um4ng-tiw/Rust_Practice on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/um4ng-tiw/Rust_Practice
[INFO] finished tweaking git repo https://github.com/um4ng-tiw/Rust_Practice
[INFO] tweaked toml for git repo https://github.com/um4ng-tiw/Rust_Practice written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate git repo https://github.com/um4ng-tiw/Rust_Practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c84f28dcd152b6760053f7aa93a26cc05ea32c62f306ef2101f07061aadde1e3
[INFO] running `Command { std: "docker" "start" "-a" "c84f28dcd152b6760053f7aa93a26cc05ea32c62f306ef2101f07061aadde1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c84f28dcd152b6760053f7aa93a26cc05ea32c62f306ef2101f07061aadde1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84f28dcd152b6760053f7aa93a26cc05ea32c62f306ef2101f07061aadde1e3", kill_on_drop: false }`
[INFO] [stdout] c84f28dcd152b6760053f7aa93a26cc05ea32c62f306ef2101f07061aadde1e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faf2f3329c02d9ccd1a1bc5462e3365a13c19af2af731601a92b341191c3cecb
[INFO] running `Command { std: "docker" "start" "-a" "faf2f3329c02d9ccd1a1bc5462e3365a13c19af2af731601a92b341191c3cecb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 13.29s
[INFO] running `Command { std: "docker" "inspect" "faf2f3329c02d9ccd1a1bc5462e3365a13c19af2af731601a92b341191c3cecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf2f3329c02d9ccd1a1bc5462e3365a13c19af2af731601a92b341191c3cecb", kill_on_drop: false }`
[INFO] [stdout] faf2f3329c02d9ccd1a1bc5462e3365a13c19af2af731601a92b341191c3cecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68d16d4c626fe9c0f8bfad497965ab97cac2493e1235ca135a4eb4a5453c77e8
[INFO] running `Command { std: "docker" "start" "-a" "68d16d4c626fe9c0f8bfad497965ab97cac2493e1235ca135a4eb4a5453c77e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.20s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/RUST-fc860bb9192f93ab)
[INFO] running `Command { std: "docker" "inspect" "68d16d4c626fe9c0f8bfad497965ab97cac2493e1235ca135a4eb4a5453c77e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d16d4c626fe9c0f8bfad497965ab97cac2493e1235ca135a4eb4a5453c77e8", kill_on_drop: false }`
[INFO] [stdout] 68d16d4c626fe9c0f8bfad497965ab97cac2493e1235ca135a4eb4a5453c77e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 969f66042b377b754e4b83d459284816438c1b2cf0bf89d1607b449fc930a084
[INFO] running `Command { std: "docker" "start" "-a" "969f66042b377b754e4b83d459284816438c1b2cf0bf89d1607b449fc930a084", 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 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/RUST-fc860bb9192f93ab)
[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" "969f66042b377b754e4b83d459284816438c1b2cf0bf89d1607b449fc930a084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969f66042b377b754e4b83d459284816438c1b2cf0bf89d1607b449fc930a084", kill_on_drop: false }`
[INFO] [stdout] 969f66042b377b754e4b83d459284816438c1b2cf0bf89d1607b449fc930a084