[INFO] cloning repository https://github.com/Ermain-12/rust_file_reading_cmdline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ermain-12/rust_file_reading_cmdline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErmain-12%2Frust_file_reading_cmdline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErmain-12%2Frust_file_reading_cmdline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0f8e26941340c78044c19146a2502161b97768f
[INFO] testing Ermain-12/rust_file_reading_cmdline 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%2FErmain-12%2Frust_file_reading_cmdline" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ermain-12/rust_file_reading_cmdline 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/Ermain-12/rust_file_reading_cmdline
[INFO] finished tweaking git repo https://github.com/Ermain-12/rust_file_reading_cmdline
[INFO] tweaked toml for git repo https://github.com/Ermain-12/rust_file_reading_cmdline written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/Ermain-12/rust_file_reading_cmdline 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 55e07241a7262408ec015569ebe25e1d182eff8b8db1335058c845d741104385
[INFO] running `Command { std: "docker" "start" "-a" "55e07241a7262408ec015569ebe25e1d182eff8b8db1335058c845d741104385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e07241a7262408ec015569ebe25e1d182eff8b8db1335058c845d741104385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e07241a7262408ec015569ebe25e1d182eff8b8db1335058c845d741104385", kill_on_drop: false }`
[INFO] [stdout] 55e07241a7262408ec015569ebe25e1d182eff8b8db1335058c845d741104385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 56a2c200b0e6c01cad61e4eddfa595c542c04bc22ecfd610ede9e8c79d45820c
[INFO] running `Command { std: "docker" "start" "-a" "56a2c200b0e6c01cad61e4eddfa595c542c04bc22ecfd610ede9e8c79d45820c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minigrep_cmd_line v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `query`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     query: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "56a2c200b0e6c01cad61e4eddfa595c542c04bc22ecfd610ede9e8c79d45820c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a2c200b0e6c01cad61e4eddfa595c542c04bc22ecfd610ede9e8c79d45820c", kill_on_drop: false }`
[INFO] [stdout] 56a2c200b0e6c01cad61e4eddfa595c542c04bc22ecfd610ede9e8c79d45820c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] d4f608fcadcba472f757322dfa561146635b16e2cab69aaa932ae861be62ca77
[INFO] running `Command { std: "docker" "start" "-a" "d4f608fcadcba472f757322dfa561146635b16e2cab69aaa932ae861be62ca77", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_cmd_line v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `query`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     query: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep_cmd_line-ba761b8fab61edd4)
[INFO] running `Command { std: "docker" "inspect" "d4f608fcadcba472f757322dfa561146635b16e2cab69aaa932ae861be62ca77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f608fcadcba472f757322dfa561146635b16e2cab69aaa932ae861be62ca77", kill_on_drop: false }`
[INFO] [stdout] d4f608fcadcba472f757322dfa561146635b16e2cab69aaa932ae861be62ca77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] d1ae89817387a82d757008a7719039174606990c6135f2bd1486d079f6b6b8db
[INFO] running `Command { std: "docker" "start" "-a" "d1ae89817387a82d757008a7719039174606990c6135f2bd1486d079f6b6b8db", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `query`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     query: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/main.rs:29:10
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep_cmd_line` (bin "minigrep_cmd_line" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep_cmd_line-ba761b8fab61edd4)
[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" "d1ae89817387a82d757008a7719039174606990c6135f2bd1486d079f6b6b8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ae89817387a82d757008a7719039174606990c6135f2bd1486d079f6b6b8db", kill_on_drop: false }`
[INFO] [stdout] d1ae89817387a82d757008a7719039174606990c6135f2bd1486d079f6b6b8db