[INFO] fetching crate unblend 0.1.0...
[INFO] testing unblend-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate unblend 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate unblend 0.1.0
[INFO] finished tweaking crates.io crate unblend 0.1.0
[INFO] tweaked toml for crates.io crate unblend 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unblend 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 unblend 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f292657453356a7b0845474f43a5adecf6345dcc75056c2149230a20c2e56c45
[INFO] running `Command { std: "docker" "start" "-a" "f292657453356a7b0845474f43a5adecf6345dcc75056c2149230a20c2e56c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f292657453356a7b0845474f43a5adecf6345dcc75056c2149230a20c2e56c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f292657453356a7b0845474f43a5adecf6345dcc75056c2149230a20c2e56c45", kill_on_drop: false }`
[INFO] [stdout] f292657453356a7b0845474f43a5adecf6345dcc75056c2149230a20c2e56c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 053139c6a7543ba00021d1f3f0708ba941917d141013da5b19fffa7a42ce877f
[INFO] running `Command { std: "docker" "start" "-a" "053139c6a7543ba00021d1f3f0708ba941917d141013da5b19fffa7a42ce877f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling align-address v0.1.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling clap_builder v4.4.6
[INFO] [stderr]    Compiling zip_next v0.10.3
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling bstr v1.6.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling filetime v0.2.22
[INFO] [stderr]    Compiling xattr v1.0.1
[INFO] [stderr]    Compiling tar v0.4.40
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling globset v0.4.13
[INFO] [stderr]    Compiling clap v4.4.6
[INFO] [stderr]    Compiling unblend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `read_cstr` is never used
[INFO] [stdout]   --> src/read_ext.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub trait ReadExt: Read {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn read_cstr(&mut self) -> Result<std::ffi::CString> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[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 8.75s
[INFO] running `Command { std: "docker" "inspect" "053139c6a7543ba00021d1f3f0708ba941917d141013da5b19fffa7a42ce877f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053139c6a7543ba00021d1f3f0708ba941917d141013da5b19fffa7a42ce877f", kill_on_drop: false }`
[INFO] [stdout] 053139c6a7543ba00021d1f3f0708ba941917d141013da5b19fffa7a42ce877f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3ec24c8188429a5985959f95b49b3e7666f63e0bd7f18b5d1d18a8b70c9f63ff
[INFO] running `Command { std: "docker" "start" "-a" "3ec24c8188429a5985959f95b49b3e7666f63e0bd7f18b5d1d18a8b70c9f63ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling unblend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `read_cstr` is never used
[INFO] [stdout]   --> src/read_ext.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub trait ReadExt: Read {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn read_cstr(&mut self) -> Result<std::ffi::CString> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[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 0.43s
[INFO] running `Command { std: "docker" "inspect" "3ec24c8188429a5985959f95b49b3e7666f63e0bd7f18b5d1d18a8b70c9f63ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec24c8188429a5985959f95b49b3e7666f63e0bd7f18b5d1d18a8b70c9f63ff", kill_on_drop: false }`
[INFO] [stdout] 3ec24c8188429a5985959f95b49b3e7666f63e0bd7f18b5d1d18a8b70c9f63ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d17b6b0391a0eaef7118925b06000d15c214342554a2718b45ee38458d0384c1
[INFO] running `Command { std: "docker" "start" "-a" "d17b6b0391a0eaef7118925b06000d15c214342554a2718b45ee38458d0384c1", kill_on_drop: false }`
[INFO] [stderr] warning: method `read_cstr` is never used
[INFO] [stderr]   --> src/read_ext.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr]  3 | pub trait ReadExt: Read {
[INFO] [stderr]    |           ------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 22 |     fn read_cstr(&mut self) -> Result<std::ffi::CString> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `unblend` (bin "unblend" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unblend-73e712b64e1e3902)
[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" "d17b6b0391a0eaef7118925b06000d15c214342554a2718b45ee38458d0384c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17b6b0391a0eaef7118925b06000d15c214342554a2718b45ee38458d0384c1", kill_on_drop: false }`
[INFO] [stdout] d17b6b0391a0eaef7118925b06000d15c214342554a2718b45ee38458d0384c1