[INFO] cloning repository https://github.com/Vaishnav-Sabari-Girish/grrs_rust_cli_tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vaishnav-Sabari-Girish/grrs_rust_cli_tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaishnav-Sabari-Girish%2Fgrrs_rust_cli_tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaishnav-Sabari-Girish%2Fgrrs_rust_cli_tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 027f08e651e423e6b53323365a56a00f08dcaa0a
[INFO] checking Vaishnav-Sabari-Girish/grrs_rust_cli_tool against try#24e1a22664233bce1f9b5dc6eee7c1f74327e28c for pr-159343
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVaishnav-Sabari-Girish%2Fgrrs_rust_cli_tool" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Vaishnav-Sabari-Girish/grrs_rust_cli_tool
[INFO] finished tweaking git repo https://github.com/Vaishnav-Sabari-Girish/grrs_rust_cli_tool
[INFO] tweaked toml for git repo https://github.com/Vaishnav-Sabari-Girish/grrs_rust_cli_tool written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Vaishnav-Sabari-Girish/grrs_rust_cli_tool on toolchain 24e1a22664233bce1f9b5dc6eee7c1f74327e28c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Vaishnav-Sabari-Girish/grrs_rust_cli_tool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anstyle v1.0.11
[INFO] [stderr]   Downloaded predicates-core v1.0.9
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded predicates v3.1.3
[INFO] [stderr]   Downloaded assert_fs v1.1.3
[INFO] [stderr]   Downloaded anstyle-query v1.1.3
[INFO] [stderr]   Downloaded anstream v0.6.19
[INFO] [stderr]   Downloaded globset v0.4.16
[INFO] [stderr]   Downloaded errno v0.3.13
[INFO] [stderr]   Downloaded predicates-tree v1.0.12
[INFO] [stderr]   Downloaded globwalk v0.9.1
[INFO] [stderr]   Downloaded ignore v0.4.23
[INFO] [stderr]   Downloaded clap v4.5.40
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.9
[INFO] [stderr]   Downloaded termtree v0.5.1
[INFO] [stderr]   Downloaded doc-comment v0.3.3
[INFO] [stderr]   Downloaded clap_lex v0.7.5
[INFO] [stderr]   Downloaded assert_cmd v2.0.17
[INFO] [stderr]   Downloaded clap_derive v4.5.40
[INFO] [stderr]   Downloaded clap_builder v4.5.40
[INFO] [stderr]   Downloaded bstr v1.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 77bc1a1691f08db529921a973d81998f59134c3447c13df204da08f2e9d7d66a
[INFO] running `Command { std: "docker" "start" "77bc1a1691f08db529921a973d81998f59134c3447c13df204da08f2e9d7d66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77bc1a1691f08db529921a973d81998f59134c3447c13df204da08f2e9d7d66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "77bc1a1691f08db529921a973d81998f59134c3447c13df204da08f2e9d7d66a" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77bc1a1691f08db529921a973d81998f59134c3447c13df204da08f2e9d7d66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "77bc1a1691f08db529921a973d81998f59134c3447c13df204da08f2e9d7d66a" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]     Checking float-cmp v0.10.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]     Checking globset v0.4.16
[INFO] [stderr]     Checking ignore v0.4.23
[INFO] [stderr]     Checking globwalk v0.9.1
[INFO] [stderr]     Checking assert_fs v1.1.3
[INFO] [stderr]     Checking clap v4.5.40
[INFO] [stderr]     Checking rust_cli_tool_grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |             writeln!(writer, "{}", line);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |             writeln!(writer, "{}", line);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.08s
[INFO] running `Command { std: "docker" "inspect" "77bc1a1691f08db529921a973d81998f59134c3447c13df204da08f2e9d7d66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bc1a1691f08db529921a973d81998f59134c3447c13df204da08f2e9d7d66a", kill_on_drop: false }`
[INFO] [stdout] 77bc1a1691f08db529921a973d81998f59134c3447c13df204da08f2e9d7d66a
