[INFO] fetching crate fusio-core 0.4.1...
[INFO] testing fusio-core-0.4.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fusio-core 0.4.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fusio-core 0.4.1
[INFO] finished tweaking crates.io crate fusio-core 0.4.1
[INFO] tweaked toml for crates.io crate fusio-core 0.4.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fusio-core 0.4.1 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 fusio-core 0.4.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 74578b6687a0903bc8cfeb1b0b3d73d976cb7b667462bc9e46aa29d89fd13e1f
[INFO] running `Command { std: "docker" "start" "-a" "74578b6687a0903bc8cfeb1b0b3d73d976cb7b667462bc9e46aa29d89fd13e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74578b6687a0903bc8cfeb1b0b3d73d976cb7b667462bc9e46aa29d89fd13e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74578b6687a0903bc8cfeb1b0b3d73d976cb7b667462bc9e46aa29d89fd13e1f", kill_on_drop: false }`
[INFO] [stdout] 74578b6687a0903bc8cfeb1b0b3d73d976cb7b667462bc9e46aa29d89fd13e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bc08498abf819b4616ca367883f776566b1f991ece8175bea2daf062c08a2e2d
[INFO] running `Command { std: "docker" "start" "-a" "bc08498abf819b4616ca367883f776566b1f991ece8175bea2daf062c08a2e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling fusio-core v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "bc08498abf819b4616ca367883f776566b1f991ece8175bea2daf062c08a2e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc08498abf819b4616ca367883f776566b1f991ece8175bea2daf062c08a2e2d", kill_on_drop: false }`
[INFO] [stdout] bc08498abf819b4616ca367883f776566b1f991ece8175bea2daf062c08a2e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] dd8cc9023e60d0eb3950da96a9b53c8e2f9a708b97785c8c663f86b0c70132ee
[INFO] running `Command { std: "docker" "start" "-a" "dd8cc9023e60d0eb3950da96a9b53c8e2f9a708b97785c8c663f86b0c70132ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling fusio-core v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "dd8cc9023e60d0eb3950da96a9b53c8e2f9a708b97785c8c663f86b0c70132ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8cc9023e60d0eb3950da96a9b53c8e2f9a708b97785c8c663f86b0c70132ee", kill_on_drop: false }`
[INFO] [stdout] dd8cc9023e60d0eb3950da96a9b53c8e2f9a708b97785c8c663f86b0c70132ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e3d5f8903e1e4344276afca017f2226fb6a39401d620c64f8b25798a41e9ed59
[INFO] running `Command { std: "docker" "start" "-a" "e3d5f8903e1e4344276afca017f2226fb6a39401d620c64f8b25798a41e9ed59", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fusio_core-5533300be548cdfd)
[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] [stderr]    Doc-tests fusio_core
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Read (line 88) - compile ... ok
[INFO] [stdout] test src/buf/mod.rs - buf::IoBuf (line 21) - compile ... ok
[INFO] [stdout] test src/lib.rs - Write (line 42) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3d5f8903e1e4344276afca017f2226fb6a39401d620c64f8b25798a41e9ed59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d5f8903e1e4344276afca017f2226fb6a39401d620c64f8b25798a41e9ed59", kill_on_drop: false }`
[INFO] [stdout] e3d5f8903e1e4344276afca017f2226fb6a39401d620c64f8b25798a41e9ed59