[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLee-JuYeon%2FRust_Study" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lee-JuYeon/Rust_Study 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/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-53/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" "+1.55.0" "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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] [stdout] a8e6434077e1a4230bb9f1fb8e17cf630ddc5712cd88ba899a09d1b4546435ed
[INFO] running `Command { std: "docker" "start" "-a" "a8e6434077e1a4230bb9f1fb8e17cf630ddc5712cd88ba899a09d1b4546435ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8e6434077e1a4230bb9f1fb8e17cf630ddc5712cd88ba899a09d1b4546435ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e6434077e1a4230bb9f1fb8e17cf630ddc5712cd88ba899a09d1b4546435ed", kill_on_drop: false }`
[INFO] [stdout] a8e6434077e1a4230bb9f1fb8e17cf630ddc5712cd88ba899a09d1b4546435ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] [stdout] a3b1f1b5e26b06eed5b8a98a8e65702d0d260ffda5794ea6b2b5457bb3d864c0
[INFO] running `Command { std: "docker" "start" "-a" "a3b1f1b5e26b06eed5b8a98a8e65702d0d260ffda5794ea6b2b5457bb3d864c0", 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 33.39s
[INFO] running `Command { std: "docker" "inspect" "a3b1f1b5e26b06eed5b8a98a8e65702d0d260ffda5794ea6b2b5457bb3d864c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b1f1b5e26b06eed5b8a98a8e65702d0d260ffda5794ea6b2b5457bb3d864c0", kill_on_drop: false }`
[INFO] [stdout] a3b1f1b5e26b06eed5b8a98a8e65702d0d260ffda5794ea6b2b5457bb3d864c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 9b456974dcb78767116dc2a962b9c7482b5e091ac07fdfb373fa250337fb7353
[INFO] running `Command { std: "docker" "start" "-a" "9b456974dcb78767116dc2a962b9c7482b5e091ac07fdfb373fa250337fb7353", 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 2.88s
[INFO] running `Command { std: "docker" "inspect" "9b456974dcb78767116dc2a962b9c7482b5e091ac07fdfb373fa250337fb7353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b456974dcb78767116dc2a962b9c7482b5e091ac07fdfb373fa250337fb7353", kill_on_drop: false }`
[INFO] [stdout] 9b456974dcb78767116dc2a962b9c7482b5e091ac07fdfb373fa250337fb7353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] d59982d968e579a662db36f922e8e440e637f56149301dabd45c7c969d7d9870
[INFO] running `Command { std: "docker" "start" "-a" "d59982d968e579a662db36f922e8e440e637f56149301dabd45c7c969d7d9870", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 7.89s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Rust_Study-b8fd947b6b3b1f8b)
[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" "d59982d968e579a662db36f922e8e440e637f56149301dabd45c7c969d7d9870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59982d968e579a662db36f922e8e440e637f56149301dabd45c7c969d7d9870", kill_on_drop: false }`
[INFO] [stdout] d59982d968e579a662db36f922e8e440e637f56149301dabd45c7c969d7d9870