[INFO] fetching crate huffmanrs 0.1.0...
[INFO] testing huffmanrs-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate huffmanrs 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate huffmanrs 0.1.0
[INFO] finished tweaking crates.io crate huffmanrs 0.1.0
[INFO] tweaked toml for crates.io crate huffmanrs 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate huffmanrs 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44c908cc1150f22977fec0cf5f71887fa30f1c6ccbe783bb1a97ab2da2d0ff24
[INFO] running `Command { std: "docker" "start" "-a" "44c908cc1150f22977fec0cf5f71887fa30f1c6ccbe783bb1a97ab2da2d0ff24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44c908cc1150f22977fec0cf5f71887fa30f1c6ccbe783bb1a97ab2da2d0ff24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c908cc1150f22977fec0cf5f71887fa30f1c6ccbe783bb1a97ab2da2d0ff24", kill_on_drop: false }`
[INFO] [stdout] 44c908cc1150f22977fec0cf5f71887fa30f1c6ccbe783bb1a97ab2da2d0ff24
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3150720c1667ac7f23b586ac46b5cce116772726ecaec5e5d72ba89c59f71b0
[INFO] running `Command { std: "docker" "start" "-a" "c3150720c1667ac7f23b586ac46b5cce116772726ecaec5e5d72ba89c59f71b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffmanrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "c3150720c1667ac7f23b586ac46b5cce116772726ecaec5e5d72ba89c59f71b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3150720c1667ac7f23b586ac46b5cce116772726ecaec5e5d72ba89c59f71b0", kill_on_drop: false }`
[INFO] [stdout] c3150720c1667ac7f23b586ac46b5cce116772726ecaec5e5d72ba89c59f71b0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8409c14309bb0320592ffa025926398753d14de1dfc39d88f4c2bd9a958d09dd
[INFO] running `Command { std: "docker" "start" "-a" "8409c14309bb0320592ffa025926398753d14de1dfc39d88f4c2bd9a958d09dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffmanrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "8409c14309bb0320592ffa025926398753d14de1dfc39d88f4c2bd9a958d09dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8409c14309bb0320592ffa025926398753d14de1dfc39d88f4c2bd9a958d09dd", kill_on_drop: false }`
[INFO] [stdout] 8409c14309bb0320592ffa025926398753d14de1dfc39d88f4c2bd9a958d09dd
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64e45405aa3ad4115acdcc38dcaef3317ed475b2a1c5c18d945ed9ea0fa95ed3
[INFO] running `Command { std: "docker" "start" "-a" "64e45405aa3ad4115acdcc38dcaef3317ed475b2a1c5c18d945ed9ea0fa95ed3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/huffmanrs-2a3aceecde0ed99d)
[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 huffmanrs
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/huffman_node.rs - huffman_node::HuffmanNode::new (line 43) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::Huffman::decode_text (line 414) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::Huffman::encode (line 161) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::Huffman::decode (line 112) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::Huffman::build_code_table (line 314) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::Huffman::build (line 79) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::Huffman::new (line 29) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::Huffman::build_frequency_table (line 200) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::Huffman::encode_text (line 372) ... ok
[INFO] [stdout] test src/huffman.rs - huffman::Huffman::build_huffman_tree (line 245) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64e45405aa3ad4115acdcc38dcaef3317ed475b2a1c5c18d945ed9ea0fa95ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e45405aa3ad4115acdcc38dcaef3317ed475b2a1c5c18d945ed9ea0fa95ed3", kill_on_drop: false }`
[INFO] [stdout] 64e45405aa3ad4115acdcc38dcaef3317ed475b2a1c5c18d945ed9ea0fa95ed3