[INFO] fetching crate io-arg 0.2.2...
[INFO] testing io-arg-0.2.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate io-arg 0.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate io-arg 0.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate io-arg 0.2.2
[INFO] tweaked toml for crates.io crate io-arg 0.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-arg 0.2.2 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 io-arg 0.2.2 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 09f04c3a286037b1ae6af1e87e365705ab45408633f07580a09c3169ff01bdba
[INFO] running `Command { std: "docker" "start" "-a" "09f04c3a286037b1ae6af1e87e365705ab45408633f07580a09c3169ff01bdba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09f04c3a286037b1ae6af1e87e365705ab45408633f07580a09c3169ff01bdba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f04c3a286037b1ae6af1e87e365705ab45408633f07580a09c3169ff01bdba", kill_on_drop: false }`
[INFO] [stdout] 09f04c3a286037b1ae6af1e87e365705ab45408633f07580a09c3169ff01bdba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c8ff4a6c47c264cc8f148166ade732f7456dc9de493b020e2ae4eb8f8018f4a8
[INFO] running `Command { std: "docker" "start" "-a" "c8ff4a6c47c264cc8f148166ade732f7456dc9de493b020e2ae4eb8f8018f4a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-arg v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "c8ff4a6c47c264cc8f148166ade732f7456dc9de493b020e2ae4eb8f8018f4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ff4a6c47c264cc8f148166ade732f7456dc9de493b020e2ae4eb8f8018f4a8", kill_on_drop: false }`
[INFO] [stdout] c8ff4a6c47c264cc8f148166ade732f7456dc9de493b020e2ae4eb8f8018f4a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a6465c48d6efb2b4eabd59ca1c09c3bb5c48deea335c90d62b34e84fa4993353
[INFO] running `Command { std: "docker" "start" "-a" "a6465c48d6efb2b4eabd59ca1c09c3bb5c48deea335c90d62b34e84fa4993353", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling unit-prefix v0.5.1
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling console v0.16.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling indicatif v0.18.0
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling io-arg v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.01s
[INFO] running `Command { std: "docker" "inspect" "a6465c48d6efb2b4eabd59ca1c09c3bb5c48deea335c90d62b34e84fa4993353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6465c48d6efb2b4eabd59ca1c09c3bb5c48deea335c90d62b34e84fa4993353", kill_on_drop: false }`
[INFO] [stdout] a6465c48d6efb2b4eabd59ca1c09c3bb5c48deea335c90d62b34e84fa4993353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d6da9a37ff516c2c79bdb7522aad5fcd484dcf03a5a45bd45df198fb1e981dfb
[INFO] running `Command { std: "docker" "start" "-a" "d6da9a37ff516c2c79bdb7522aad5fcd484dcf03a5a45bd45df198fb1e981dfb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_arg-a6d5a6de1f1cbb15)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test io_arg::tests::parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io_arg
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/io_arg.rs - io_arg::IoArg (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6da9a37ff516c2c79bdb7522aad5fcd484dcf03a5a45bd45df198fb1e981dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6da9a37ff516c2c79bdb7522aad5fcd484dcf03a5a45bd45df198fb1e981dfb", kill_on_drop: false }`
[INFO] [stdout] d6da9a37ff516c2c79bdb7522aad5fcd484dcf03a5a45bd45df198fb1e981dfb