[INFO] fetching crate todoster 0.1.0...
[INFO] testing todoster-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate todoster 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate todoster 0.1.0
[INFO] finished tweaking crates.io crate todoster 0.1.0
[INFO] tweaked toml for crates.io crate todoster 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate todoster 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate todoster 0.1.0 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f19a31acc98ac40ec27745d5566e8447996bc9a8ba290580805c972161e7e23
[INFO] running `Command { std: "docker" "start" "-a" "2f19a31acc98ac40ec27745d5566e8447996bc9a8ba290580805c972161e7e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f19a31acc98ac40ec27745d5566e8447996bc9a8ba290580805c972161e7e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f19a31acc98ac40ec27745d5566e8447996bc9a8ba290580805c972161e7e23", kill_on_drop: false }`
[INFO] [stdout] 2f19a31acc98ac40ec27745d5566e8447996bc9a8ba290580805c972161e7e23
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4954fe16d50ac607a2c5a679ebc0af9ecc3dc23387d1a4ed969d951d726d98a5
[INFO] running `Command { std: "docker" "start" "-a" "4954fe16d50ac607a2c5a679ebc0af9ecc3dc23387d1a4ed969d951d726d98a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling termion v2.0.1
[INFO] [stderr]    Compiling regex-automata v0.3.7
[INFO] [stderr]    Compiling regex v1.9.4
[INFO] [stderr]    Compiling todoster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/args.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ArgumentError(String);
[INFO] [stdout]    |            ------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ArgumentError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "4954fe16d50ac607a2c5a679ebc0af9ecc3dc23387d1a4ed969d951d726d98a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4954fe16d50ac607a2c5a679ebc0af9ecc3dc23387d1a4ed969d951d726d98a5", kill_on_drop: false }`
[INFO] [stdout] 4954fe16d50ac607a2c5a679ebc0af9ecc3dc23387d1a4ed969d951d726d98a5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39bd6d29bde4b8e237b3ea94e20db60f36b3aa430a730dca27c7e8d89454b96b
[INFO] running `Command { std: "docker" "start" "-a" "39bd6d29bde4b8e237b3ea94e20db60f36b3aa430a730dca27c7e8d89454b96b", kill_on_drop: false }`
[INFO] [stderr]    Compiling todoster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/args.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ArgumentError(String);
[INFO] [stdout]    |            ------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ArgumentError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "39bd6d29bde4b8e237b3ea94e20db60f36b3aa430a730dca27c7e8d89454b96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bd6d29bde4b8e237b3ea94e20db60f36b3aa430a730dca27c7e8d89454b96b", kill_on_drop: false }`
[INFO] [stdout] 39bd6d29bde4b8e237b3ea94e20db60f36b3aa430a730dca27c7e8d89454b96b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5f8e188fecdeca825a3663adbeb8d9f25fc98bc1ab0244ed0a47d08a91c7579
[INFO] running `Command { std: "docker" "start" "-a" "d5f8e188fecdeca825a3663adbeb8d9f25fc98bc1ab0244ed0a47d08a91c7579", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/args.rs:19:26
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct ArgumentError(String);
[INFO] [stderr]    |            ------------- ^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `ArgumentError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `todoster` (bin "todoster" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/todoster-744c4a2fdb122d48)
[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" "d5f8e188fecdeca825a3663adbeb8d9f25fc98bc1ab0244ed0a47d08a91c7579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f8e188fecdeca825a3663adbeb8d9f25fc98bc1ab0244ed0a47d08a91c7579", kill_on_drop: false }`
[INFO] [stdout] d5f8e188fecdeca825a3663adbeb8d9f25fc98bc1ab0244ed0a47d08a91c7579