[INFO] fetching crate nstd_io 0.5.0...
[INFO] testing nstd_io-0.5.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nstd_io 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate nstd_io 0.5.0
[INFO] finished tweaking crates.io crate nstd_io 0.5.0
[INFO] tweaked toml for crates.io crate nstd_io 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nstd_io 0.5.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e6d56d7046a5c5dd191e3a118fb4362171edd18ea3d9abcdef1aa3916ad0f966
[INFO] running `Command { std: "docker" "start" "-a" "e6d56d7046a5c5dd191e3a118fb4362171edd18ea3d9abcdef1aa3916ad0f966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6d56d7046a5c5dd191e3a118fb4362171edd18ea3d9abcdef1aa3916ad0f966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d56d7046a5c5dd191e3a118fb4362171edd18ea3d9abcdef1aa3916ad0f966", kill_on_drop: false }`
[INFO] [stdout] e6d56d7046a5c5dd191e3a118fb4362171edd18ea3d9abcdef1aa3916ad0f966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 79a255d8127c423c9a121ebb9eaacb236702289d7d8fa16ebe16394017682978
[INFO] running `Command { std: "docker" "start" "-a" "79a255d8127c423c9a121ebb9eaacb236702289d7d8fa16ebe16394017682978", kill_on_drop: false }`
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling nstd_core v0.5.0
[INFO] [stderr]    Compiling nstd_io v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "79a255d8127c423c9a121ebb9eaacb236702289d7d8fa16ebe16394017682978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a255d8127c423c9a121ebb9eaacb236702289d7d8fa16ebe16394017682978", kill_on_drop: false }`
[INFO] [stdout] 79a255d8127c423c9a121ebb9eaacb236702289d7d8fa16ebe16394017682978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6cbfe3703601705532cfb32c13e00cdf6ae33690eeb053748225eb80b4fe4da5
[INFO] running `Command { std: "docker" "start" "-a" "6cbfe3703601705532cfb32c13e00cdf6ae33690eeb053748225eb80b4fe4da5", kill_on_drop: false }`
[INFO] [stderr]    Compiling nstd_io v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "6cbfe3703601705532cfb32c13e00cdf6ae33690eeb053748225eb80b4fe4da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbfe3703601705532cfb32c13e00cdf6ae33690eeb053748225eb80b4fe4da5", kill_on_drop: false }`
[INFO] [stdout] 6cbfe3703601705532cfb32c13e00cdf6ae33690eeb053748225eb80b4fe4da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 840be4454ab8a679530799ba2ab535f8757ccdc722eb10124494176d8d80f073
[INFO] running `Command { std: "docker" "start" "-a" "840be4454ab8a679530799ba2ab535f8757ccdc722eb10124494176d8d80f073", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nstd_io-1ddbe916e564ae58)
[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 nstd_io
[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" "840be4454ab8a679530799ba2ab535f8757ccdc722eb10124494176d8d80f073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840be4454ab8a679530799ba2ab535f8757ccdc722eb10124494176d8d80f073", kill_on_drop: false }`
[INFO] [stdout] 840be4454ab8a679530799ba2ab535f8757ccdc722eb10124494176d8d80f073