[INFO] fetching crate stalin-compression 0.2.0...
[INFO] testing stalin-compression-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate stalin-compression 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stalin-compression 0.2.0
[INFO] finished tweaking crates.io crate stalin-compression 0.2.0
[INFO] tweaked toml for crates.io crate stalin-compression 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stalin-compression 0.2.0 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] 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] 7e91e4727996754b55811cb3264c761a7e89867dbbb109c2e895277f8bea7e2f
[INFO] running `Command { std: "docker" "start" "-a" "7e91e4727996754b55811cb3264c761a7e89867dbbb109c2e895277f8bea7e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e91e4727996754b55811cb3264c761a7e89867dbbb109c2e895277f8bea7e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e91e4727996754b55811cb3264c761a7e89867dbbb109c2e895277f8bea7e2f", kill_on_drop: false }`
[INFO] [stdout] 7e91e4727996754b55811cb3264c761a7e89867dbbb109c2e895277f8bea7e2f
[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] 321b045caa46925f52ab2bcbc98296de33985b2937a471c19ff50124dfd6419a
[INFO] running `Command { std: "docker" "start" "-a" "321b045caa46925f52ab2bcbc98296de33985b2937a471c19ff50124dfd6419a", kill_on_drop: false }`
[INFO] [stderr]    Compiling stalin-compression v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "321b045caa46925f52ab2bcbc98296de33985b2937a471c19ff50124dfd6419a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "321b045caa46925f52ab2bcbc98296de33985b2937a471c19ff50124dfd6419a", kill_on_drop: false }`
[INFO] [stdout] 321b045caa46925f52ab2bcbc98296de33985b2937a471c19ff50124dfd6419a
[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] 01dc2d499e41c0ddd5458a29266cb0fcfbd0d93ca9bdf79aa43720ac710ee9b5
[INFO] running `Command { std: "docker" "start" "-a" "01dc2d499e41c0ddd5458a29266cb0fcfbd0d93ca9bdf79aa43720ac710ee9b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling stalin-compression v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "01dc2d499e41c0ddd5458a29266cb0fcfbd0d93ca9bdf79aa43720ac710ee9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01dc2d499e41c0ddd5458a29266cb0fcfbd0d93ca9bdf79aa43720ac710ee9b5", kill_on_drop: false }`
[INFO] [stdout] 01dc2d499e41c0ddd5458a29266cb0fcfbd0d93ca9bdf79aa43720ac710ee9b5
[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] 00928bdf9f4a0e1788971d7fa6cf8abc8344a002fa9d91ebdf7f9e30e49c35ec
[INFO] running `Command { std: "docker" "start" "-a" "00928bdf9f4a0e1788971d7fa6cf8abc8344a002fa9d91ebdf7f9e30e49c35ec", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stalin_compression-c58c97ff9eef9921)
[INFO] [stderr]    Doc-tests stalin_compression
[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] [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" "00928bdf9f4a0e1788971d7fa6cf8abc8344a002fa9d91ebdf7f9e30e49c35ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00928bdf9f4a0e1788971d7fa6cf8abc8344a002fa9d91ebdf7f9e30e49c35ec", kill_on_drop: false }`
[INFO] [stdout] 00928bdf9f4a0e1788971d7fa6cf8abc8344a002fa9d91ebdf7f9e30e49c35ec