[INFO] cloning repository https://github.com/Lee-JuYeon/Rust_Study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lee-JuYeon/Rust_Study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLee-JuYeon%2FRust_Study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLee-JuYeon%2FRust_Study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80881ac5adb844b90a27ea564ce589cc70af4e80
[INFO] testing Lee-JuYeon/Rust_Study 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%2FLee-JuYeon%2FRust_Study" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lee-JuYeon/Rust_Study 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/Lee-JuYeon/Rust_Study
[INFO] finished tweaking git repo https://github.com/Lee-JuYeon/Rust_Study
[INFO] tweaked toml for git repo https://github.com/Lee-JuYeon/Rust_Study written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/Lee-JuYeon/Rust_Study 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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] ec583f38d8e096303e6b41de96f403cf7b8c1ee953e72ddcfad3904d43142b95
[INFO] running `Command { std: "docker" "start" "-a" "ec583f38d8e096303e6b41de96f403cf7b8c1ee953e72ddcfad3904d43142b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec583f38d8e096303e6b41de96f403cf7b8c1ee953e72ddcfad3904d43142b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec583f38d8e096303e6b41de96f403cf7b8c1ee953e72ddcfad3904d43142b95", kill_on_drop: false }`
[INFO] [stdout] ec583f38d8e096303e6b41de96f403cf7b8c1ee953e72ddcfad3904d43142b95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 726fc50e08366f28be3574658aaf7c0f0933f7ef9b96b8d37c3cd44a71af823d
[INFO] running `Command { std: "docker" "start" "-a" "726fc50e08366f28be3574658aaf7c0f0933f7ef9b96b8d37c3cd44a71af823d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling Rust_Study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Rust_Study` 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_study`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `Command { std: "docker" "inspect" "726fc50e08366f28be3574658aaf7c0f0933f7ef9b96b8d37c3cd44a71af823d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726fc50e08366f28be3574658aaf7c0f0933f7ef9b96b8d37c3cd44a71af823d", kill_on_drop: false }`
[INFO] [stdout] 726fc50e08366f28be3574658aaf7c0f0933f7ef9b96b8d37c3cd44a71af823d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] cdcb44d2d63299b7c83a7b30772bb4ab684ab0a50aab21926945d8466e48a9ae
[INFO] running `Command { std: "docker" "start" "-a" "cdcb44d2d63299b7c83a7b30772bb4ab684ab0a50aab21926945d8466e48a9ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling Rust_Study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Rust_Study` 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_study`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/Rust_Study-766ebb39adf4d9c8)
[INFO] running `Command { std: "docker" "inspect" "cdcb44d2d63299b7c83a7b30772bb4ab684ab0a50aab21926945d8466e48a9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdcb44d2d63299b7c83a7b30772bb4ab684ab0a50aab21926945d8466e48a9ae", kill_on_drop: false }`
[INFO] [stdout] cdcb44d2d63299b7c83a7b30772bb4ab684ab0a50aab21926945d8466e48a9ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] c6ce1c7922eff194c0a905cf599d75fa3d30ea05f24b79cbd8e8e87fa572abaa
[INFO] running `Command { std: "docker" "start" "-a" "c6ce1c7922eff194c0a905cf599d75fa3d30ea05f24b79cbd8e8e87fa572abaa", kill_on_drop: false }`
[INFO] [stderr] warning: crate `Rust_Study` 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_study`
[INFO] [stderr] 
[INFO] [stderr] warning: `Rust_Study` (bin "Rust_Study" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Rust_Study-766ebb39adf4d9c8)
[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" "c6ce1c7922eff194c0a905cf599d75fa3d30ea05f24b79cbd8e8e87fa572abaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ce1c7922eff194c0a905cf599d75fa3d30ea05f24b79cbd8e8e87fa572abaa", kill_on_drop: false }`
[INFO] [stdout] c6ce1c7922eff194c0a905cf599d75fa3d30ea05f24b79cbd8e8e87fa572abaa