[INFO] fetching crate ppmd-core 0.1.0...
[INFO] testing ppmd-core-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate ppmd-core 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ppmd-core 0.1.0
[INFO] finished tweaking crates.io crate ppmd-core 0.1.0
[INFO] tweaked toml for crates.io crate ppmd-core 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ppmd-core 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 ppmd-core 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] e0f6ce77f3b48b2da062c00ac8aee0be52734a9299bc9ed6c4a91f0a25a4ce85
[INFO] running `Command { std: "docker" "start" "-a" "e0f6ce77f3b48b2da062c00ac8aee0be52734a9299bc9ed6c4a91f0a25a4ce85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0f6ce77f3b48b2da062c00ac8aee0be52734a9299bc9ed6c4a91f0a25a4ce85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f6ce77f3b48b2da062c00ac8aee0be52734a9299bc9ed6c4a91f0a25a4ce85", kill_on_drop: false }`
[INFO] [stdout] e0f6ce77f3b48b2da062c00ac8aee0be52734a9299bc9ed6c4a91f0a25a4ce85
[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] a554bd1a1b7d388f3d3c04d80adecf4f3add1694f0aace5e163ff389c8cbcdcb
[INFO] running `Command { std: "docker" "start" "-a" "a554bd1a1b7d388f3d3c04d80adecf4f3add1694f0aace5e163ff389c8cbcdcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppmd-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const TOP: u32 = 1 << 24;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const BOT: u32 = 1 << 15;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub const MAX_FREQ: u8 = 124;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub const DEFAULT_ORDER: u8 = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "a554bd1a1b7d388f3d3c04d80adecf4f3add1694f0aace5e163ff389c8cbcdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a554bd1a1b7d388f3d3c04d80adecf4f3add1694f0aace5e163ff389c8cbcdcb", kill_on_drop: false }`
[INFO] [stdout] a554bd1a1b7d388f3d3c04d80adecf4f3add1694f0aace5e163ff389c8cbcdcb
[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] cc3d5f248a5e946c3fa5d89b82e93cd617aac5cd95ac9338cdcfd30dbcf009d0
[INFO] running `Command { std: "docker" "start" "-a" "cc3d5f248a5e946c3fa5d89b82e93cd617aac5cd95ac9338cdcfd30dbcf009d0", kill_on_drop: false }`
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const TOP: u32 = 1 << 24;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const BOT: u32 = 1 << 15;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub const MAX_FREQ: u8 = 124;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ppmd-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub const DEFAULT_ORDER: u8 = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const TOP: u32 = 1 << 24;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const BOT: u32 = 1 << 15;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub const MAX_FREQ: u8 = 124;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub const DEFAULT_ORDER: u8 = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "cc3d5f248a5e946c3fa5d89b82e93cd617aac5cd95ac9338cdcfd30dbcf009d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3d5f248a5e946c3fa5d89b82e93cd617aac5cd95ac9338cdcfd30dbcf009d0", kill_on_drop: false }`
[INFO] [stdout] cc3d5f248a5e946c3fa5d89b82e93cd617aac5cd95ac9338cdcfd30dbcf009d0
[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] 406c1083e9464cacd3198b9a077d3bb7dde1958d4adb2c1eb50be2fcbfedc344
[INFO] running `Command { std: "docker" "start" "-a" "406c1083e9464cacd3198b9a077d3bb7dde1958d4adb2c1eb50be2fcbfedc344", kill_on_drop: false }`
[INFO] [stderr] warning: missing documentation for a constant
[INFO] [stderr]   --> src/lib.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub const TOP: u32 = 1 << 24;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a constant
[INFO] [stderr]   --> src/lib.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub const BOT: u32 = 1 << 15;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a constant
[INFO] [stderr]   --> src/lib.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub const MAX_FREQ: u8 = 124;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a constant
[INFO] [stderr]   --> src/lib.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub const DEFAULT_ORDER: u8 = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ppmd-core` (lib) generated 4 warnings
[INFO] [stderr] warning: `ppmd-core` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ppmd_core-5c5607e50bced50e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests ppmd_core
[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 3 tests
[INFO] [stdout] test src/lib.rs - RangeDecoder (line 169) - compile ... ok
[INFO] [stdout] test src/lib.rs - PpmModel (line 349) - compile ... ok
[INFO] [stdout] test src/lib.rs - RangeEncoder (line 75) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - RangeEncoder (line 75) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `model` in this scope
[INFO] [stdout]   --> src/lib.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 13 |     for (cum, freq, tot) in model.symbols() {
[INFO] [stdout]    |                             ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: method `encode` is private
[INFO] [stdout]    --> src/lib.rs:86:17
[INFO] [stdout]     |
[INFO] [stdout]  14 |         encoder.encode(cum, freq, tot)?;
[INFO] [stdout]     |                 ^^^^^^ private method
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn encode(&mut self, cum_freq: u32, freq: u32, tot_freq: u32) -> PpmResult<()> {
[INFO] [stdout]     |     ------------------------------------------------------------------------------ private method defined here
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: method `finish` is private
[INFO] [stdout]    --> src/lib.rs:90:25
[INFO] [stdout]     |
[INFO] [stdout]  18 |     let _file = encoder.finish()?;
[INFO] [stdout]     |                         ^^^^^^ private method
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn finish(mut self) -> PpmResult<W> {
[INFO] [stdout]     |     ----------------------------------- private method defined here
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0624.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - RangeEncoder (line 75)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.18s; merged doctests compilation took 0.06s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "406c1083e9464cacd3198b9a077d3bb7dde1958d4adb2c1eb50be2fcbfedc344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406c1083e9464cacd3198b9a077d3bb7dde1958d4adb2c1eb50be2fcbfedc344", kill_on_drop: false }`
[INFO] [stdout] 406c1083e9464cacd3198b9a077d3bb7dde1958d4adb2c1eb50be2fcbfedc344