[INFO] fetching crate mini_gpt 0.1.0...
[INFO] testing mini_gpt-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mini_gpt 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mini_gpt 0.1.0
[INFO] finished tweaking crates.io crate mini_gpt 0.1.0
[INFO] tweaked toml for crates.io crate mini_gpt 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mini_gpt 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] 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] 6002f00ffc808759320f8c01712c3c44886130634c4f09f84632343cdf8229d8
[INFO] running `Command { std: "docker" "start" "-a" "6002f00ffc808759320f8c01712c3c44886130634c4f09f84632343cdf8229d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6002f00ffc808759320f8c01712c3c44886130634c4f09f84632343cdf8229d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6002f00ffc808759320f8c01712c3c44886130634c4f09f84632343cdf8229d8", kill_on_drop: false }`
[INFO] [stdout] 6002f00ffc808759320f8c01712c3c44886130634c4f09f84632343cdf8229d8
[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] ed8e47c7eb9d26541ae35dc38e3eae5e65f7e500f9661f544a90143088de8cd1
[INFO] running `Command { std: "docker" "start" "-a" "ed8e47c7eb9d26541ae35dc38e3eae5e65f7e500f9661f544a90143088de8cd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini_gpt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct GptHeader {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 19 |     revision: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 20 |     header_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 21 |     header_crc32: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 22 |     my_lba: u64,
[INFO] [stdout] 23 |     alternate_lba: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 24 |     first_usable_lba: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     last_usable_lba: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     disk_guid: u128,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GptHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `partition_type_guid`, `unique_partition_guid`, `attributes`, and `partition_name` are never read
[INFO] [stdout]    --> src/lib.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct PartitionEntry {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 117 |     partition_type_guid: u128,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 118 |     unique_partition_guid: u128,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     attributes: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 122 |     partition_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PartitionEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "ed8e47c7eb9d26541ae35dc38e3eae5e65f7e500f9661f544a90143088de8cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8e47c7eb9d26541ae35dc38e3eae5e65f7e500f9661f544a90143088de8cd1", kill_on_drop: false }`
[INFO] [stdout] ed8e47c7eb9d26541ae35dc38e3eae5e65f7e500f9661f544a90143088de8cd1
[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] f664ebd04daf29b277469e2eea85b07099ecf773836b87bb15394b822daf7a68
[INFO] running `Command { std: "docker" "start" "-a" "f664ebd04daf29b277469e2eea85b07099ecf773836b87bb15394b822daf7a68", kill_on_drop: false }`
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct GptHeader {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 19 |     revision: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 20 |     header_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 21 |     header_crc32: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 22 |     my_lba: u64,
[INFO] [stdout] 23 |     alternate_lba: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 24 |     first_usable_lba: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     last_usable_lba: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     disk_guid: u128,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GptHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `partition_type_guid`, `unique_partition_guid`, `attributes`, and `partition_name` are never read
[INFO] [stdout]    --> src/lib.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct PartitionEntry {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 117 |     partition_type_guid: u128,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 118 |     unique_partition_guid: u128,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     attributes: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 122 |     partition_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PartitionEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mini_gpt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct GptHeader {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 19 |     revision: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 20 |     header_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 21 |     header_crc32: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 22 |     my_lba: u64,
[INFO] [stdout] 23 |     alternate_lba: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 24 |     first_usable_lba: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     last_usable_lba: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     disk_guid: u128,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GptHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `partition_type_guid`, `unique_partition_guid`, `attributes`, and `partition_name` are never read
[INFO] [stdout]    --> src/lib.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct PartitionEntry {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 117 |     partition_type_guid: u128,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 118 |     unique_partition_guid: u128,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     attributes: u64,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 122 |     partition_name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PartitionEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "f664ebd04daf29b277469e2eea85b07099ecf773836b87bb15394b822daf7a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f664ebd04daf29b277469e2eea85b07099ecf773836b87bb15394b822daf7a68", kill_on_drop: false }`
[INFO] [stdout] f664ebd04daf29b277469e2eea85b07099ecf773836b87bb15394b822daf7a68
[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] d3f4d847dcecb25b1f2a3b14e4e667916bcc6df6a51067499d80452165d627f2
[INFO] running `Command { std: "docker" "start" "-a" "d3f4d847dcecb25b1f2a3b14e4e667916bcc6df6a51067499d80452165d627f2", kill_on_drop: false }`
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/lib.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct GptHeader {
[INFO] [stderr]    |        --------- fields in this struct
[INFO] [stderr] 19 |     revision: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 20 |     header_size: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 21 |     header_crc32: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 22 |     my_lba: u64,
[INFO] [stderr] 23 |     alternate_lba: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 24 |     first_usable_lba: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 25 |     last_usable_lba: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 26 |     disk_guid: u128,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `GptHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `partition_type_guid`, `unique_partition_guid`, `attributes`, and `partition_name` are never read
[INFO] [stderr]    --> src/lib.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | struct PartitionEntry {
[INFO] [stderr]     |        -------------- fields in this struct
[INFO] [stderr] 117 |     partition_type_guid: u128,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 118 |     unique_partition_guid: u128,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 121 |     attributes: u64,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 122 |     partition_name: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `PartitionEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `mini_gpt` (lib) generated 2 warnings
[INFO] [stderr] warning: `mini_gpt` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mini_gpt-33f547d7b382e6b9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::spot_check ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mini_gpt
[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" "d3f4d847dcecb25b1f2a3b14e4e667916bcc6df6a51067499d80452165d627f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f4d847dcecb25b1f2a3b14e4e667916bcc6df6a51067499d80452165d627f2", kill_on_drop: false }`
[INFO] [stdout] d3f4d847dcecb25b1f2a3b14e4e667916bcc6df6a51067499d80452165d627f2