[INFO] fetching crate my_dev_tool 0.2.0...
[INFO] testing my_dev_tool-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate my_dev_tool 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate my_dev_tool 0.2.0
[INFO] finished tweaking crates.io crate my_dev_tool 0.2.0
[INFO] tweaked toml for crates.io crate my_dev_tool 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate my_dev_tool 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate my_dev_tool 0.2.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16c1587112664957648f6754bba7af6a6e05cad1877751728ac8b246c9312d3e
[INFO] running `Command { std: "docker" "start" "-a" "16c1587112664957648f6754bba7af6a6e05cad1877751728ac8b246c9312d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16c1587112664957648f6754bba7af6a6e05cad1877751728ac8b246c9312d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c1587112664957648f6754bba7af6a6e05cad1877751728ac8b246c9312d3e", kill_on_drop: false }`
[INFO] [stdout] 16c1587112664957648f6754bba7af6a6e05cad1877751728ac8b246c9312d3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acbcb6c624d5f9a4d32f5e92494668a69ddefa624f212629b3d093665440e616
[INFO] running `Command { std: "docker" "start" "-a" "acbcb6c624d5f9a4d32f5e92494668a69ddefa624f212629b3d093665440e616", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling clap_builder v4.4.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling clap v4.4.8
[INFO] [stderr]    Compiling clap_complete v4.4.4
[INFO] [stderr]    Compiling my_dev_tool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn add_completion(matches: &ArgMatches){
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "acbcb6c624d5f9a4d32f5e92494668a69ddefa624f212629b3d093665440e616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbcb6c624d5f9a4d32f5e92494668a69ddefa624f212629b3d093665440e616", kill_on_drop: false }`
[INFO] [stdout] acbcb6c624d5f9a4d32f5e92494668a69ddefa624f212629b3d093665440e616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d6768d22f5f74d78a516ca8a7da955b0edd1f4413186fb8579b7049af808202
[INFO] running `Command { std: "docker" "start" "-a" "9d6768d22f5f74d78a516ca8a7da955b0edd1f4413186fb8579b7049af808202", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_dev_tool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/main.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn add_completion(matches: &ArgMatches){
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "9d6768d22f5f74d78a516ca8a7da955b0edd1f4413186fb8579b7049af808202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6768d22f5f74d78a516ca8a7da955b0edd1f4413186fb8579b7049af808202", kill_on_drop: false }`
[INFO] [stdout] 9d6768d22f5f74d78a516ca8a7da955b0edd1f4413186fb8579b7049af808202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d91c615098e1da21bd56bc04324ceac3a06fe22dce2cfc6db33384865a3ed69
[INFO] running `Command { std: "docker" "start" "-a" "4d91c615098e1da21bd56bc04324ceac3a06fe22dce2cfc6db33384865a3ed69", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/main.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn add_completion(matches: &ArgMatches){
[INFO] [stderr]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `my_dev_tool` (bin "my_dev_tool" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/my_dev_tool-24ad47a192d1e73d)
[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" "4d91c615098e1da21bd56bc04324ceac3a06fe22dce2cfc6db33384865a3ed69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d91c615098e1da21bd56bc04324ceac3a06fe22dce2cfc6db33384865a3ed69", kill_on_drop: false }`
[INFO] [stdout] 4d91c615098e1da21bd56bc04324ceac3a06fe22dce2cfc6db33384865a3ed69