[INFO] fetching crate minigrep_wang 0.1.0...
[INFO] checking minigrep_wang-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate minigrep_wang 0.1.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate minigrep_wang 0.1.0 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 crates.io crate minigrep_wang 0.1.0
[INFO] finished tweaking crates.io crate minigrep_wang 0.1.0
[INFO] tweaked toml for crates.io crate minigrep_wang 0.1.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate crates.io crate minigrep_wang 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 21b967549c35e0e38a00a3954265a28c8a4d8f922a8b540350c804802c1fd17b
[INFO] running `Command { std: "docker" "start" "-a" "21b967549c35e0e38a00a3954265a28c8a4d8f922a8b540350c804802c1fd17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21b967549c35e0e38a00a3954265a28c8a4d8f922a8b540350c804802c1fd17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b967549c35e0e38a00a3954265a28c8a4d8f922a8b540350c804802c1fd17b", kill_on_drop: false }`
[INFO] [stdout] 21b967549c35e0e38a00a3954265a28c8a4d8f922a8b540350c804802c1fd17b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 224ad5c89ba1070ad248e38b2e304371194a6960cc36631982e4c31431bedea4
[INFO] running `Command { std: "docker" "start" "-a" "224ad5c89ba1070ad248e38b2e304371194a6960cc36631982e4c31431bedea4", kill_on_drop: false }`
[INFO] [stderr]     Checking minigrep_wang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `case_sensitive`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     case_sensitive: bool
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `case_sensitive`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     case_sensitive: bool
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "224ad5c89ba1070ad248e38b2e304371194a6960cc36631982e4c31431bedea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224ad5c89ba1070ad248e38b2e304371194a6960cc36631982e4c31431bedea4", kill_on_drop: false }`
[INFO] [stdout] 224ad5c89ba1070ad248e38b2e304371194a6960cc36631982e4c31431bedea4
