[INFO] fetching crate stellar 0.1.2-alpha...
[INFO] testing stellar-0.1.2-alpha against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate stellar 0.1.2-alpha into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate stellar 0.1.2-alpha
[INFO] finished tweaking crates.io crate stellar 0.1.2-alpha
[INFO] tweaked toml for crates.io crate stellar 0.1.2-alpha written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stellar 0.1.2-alpha on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 226d1a416aa13ac5e3ab218ce77dcdbe4827026b73a7ad75faa8fef56af62fa8
[INFO] running `Command { std: "docker" "start" "-a" "226d1a416aa13ac5e3ab218ce77dcdbe4827026b73a7ad75faa8fef56af62fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "226d1a416aa13ac5e3ab218ce77dcdbe4827026b73a7ad75faa8fef56af62fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226d1a416aa13ac5e3ab218ce77dcdbe4827026b73a7ad75faa8fef56af62fa8", kill_on_drop: false }`
[INFO] [stdout] 226d1a416aa13ac5e3ab218ce77dcdbe4827026b73a7ad75faa8fef56af62fa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68a26831cc958811b8be4d6af7f6809d348925ac18fc5a2a24f7acff27b1df17
[INFO] running `Command { std: "docker" "start" "-a" "68a26831cc958811b8be4d6af7f6809d348925ac18fc5a2a24f7acff27b1df17", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling stellar v0.1.2-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/types.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct PublicKey([u8; 32]);
[INFO] [stdout]   |            --------- ^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `PublicKey` has a derived impl for the trait `Clone`, 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: field `public_key` is never read
[INFO] [stdout]  --> src/key_pair.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct KeyPair {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 6 |     public_key: PublicKey,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `KeyPair` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fee`, `source_account`, `sequence_number`, `operations`, `memo`, and `signatures` are never read
[INFO] [stdout]   --> src/transaction.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Transaction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     fee: Integer,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     source_account: KeyPair,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     sequence_number: Long,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     operations: Vec<Operation>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     memo: Memo,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     signatures: Vec<()>, // TODO: Port DecoratedSignatures
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.14s
[INFO] running `Command { std: "docker" "inspect" "68a26831cc958811b8be4d6af7f6809d348925ac18fc5a2a24f7acff27b1df17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a26831cc958811b8be4d6af7f6809d348925ac18fc5a2a24f7acff27b1df17", kill_on_drop: false }`
[INFO] [stdout] 68a26831cc958811b8be4d6af7f6809d348925ac18fc5a2a24f7acff27b1df17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3103bc21b55fe76bdda006f21b828901be58f54cadbf753169439c5afe2b5ed7
[INFO] running `Command { std: "docker" "start" "-a" "3103bc21b55fe76bdda006f21b828901be58f54cadbf753169439c5afe2b5ed7", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/types.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct PublicKey([u8; 32]);
[INFO] [stdout]   |            --------- ^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `PublicKey` has a derived impl for the trait `Clone`, 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: field `public_key` is never read
[INFO] [stdout]  --> src/key_pair.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct KeyPair {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 6 |     public_key: PublicKey,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `KeyPair` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fee`, `source_account`, `sequence_number`, `operations`, `memo`, and `signatures` are never read
[INFO] [stdout]   --> src/transaction.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Transaction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     fee: Integer,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     source_account: KeyPair,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     sequence_number: Long,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     operations: Vec<Operation>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     memo: Memo,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     signatures: Vec<()>, // TODO: Port DecoratedSignatures
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stellar v0.1.2-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/types.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct PublicKey([u8; 32]);
[INFO] [stdout]   |            --------- ^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `PublicKey` has a derived impl for the trait `Clone`, 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: field `public_key` is never read
[INFO] [stdout]  --> src/key_pair.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct KeyPair {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 6 |     public_key: PublicKey,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `KeyPair` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fee`, `source_account`, `sequence_number`, `operations`, `memo`, and `signatures` are never read
[INFO] [stdout]   --> src/transaction.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Transaction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     fee: Integer,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     source_account: KeyPair,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     sequence_number: Long,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     operations: Vec<Operation>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     memo: Memo,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     signatures: Vec<()>, // TODO: Port DecoratedSignatures
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "3103bc21b55fe76bdda006f21b828901be58f54cadbf753169439c5afe2b5ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3103bc21b55fe76bdda006f21b828901be58f54cadbf753169439c5afe2b5ed7", kill_on_drop: false }`
[INFO] [stdout] 3103bc21b55fe76bdda006f21b828901be58f54cadbf753169439c5afe2b5ed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d03cdafe7148870eb8828fdc47facffb9f42cb75ae86b2e5d64f015730562b8
[INFO] running `Command { std: "docker" "start" "-a" "6d03cdafe7148870eb8828fdc47facffb9f42cb75ae86b2e5d64f015730562b8", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/types.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct PublicKey([u8; 32]);
[INFO] [stderr]   |            --------- ^^^^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `PublicKey` has a derived impl for the trait `Clone`, 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: field `public_key` is never read
[INFO] [stderr]  --> src/key_pair.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct KeyPair {
[INFO] [stderr]   |            ------- field in this struct
[INFO] [stderr] 6 |     public_key: PublicKey,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `KeyPair` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `fee`, `source_account`, `sequence_number`, `operations`, `memo`, and `signatures` are never read
[INFO] [stderr]   --> src/transaction.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct Transaction {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr] 10 |     fee: Integer,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 11 |     source_account: KeyPair,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 12 |     sequence_number: Long,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 13 |     operations: Vec<Operation>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 14 |     memo: Memo,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 15 |     signatures: Vec<()>, // TODO: Port DecoratedSignatures
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `stellar` (lib) generated 3 warnings
[INFO] [stderr] warning: `stellar` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stellar-df8ea00e0bef14ff)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test util::tests::hash_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stellar
[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" "6d03cdafe7148870eb8828fdc47facffb9f42cb75ae86b2e5d64f015730562b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d03cdafe7148870eb8828fdc47facffb9f42cb75ae86b2e5d64f015730562b8", kill_on_drop: false }`
[INFO] [stdout] 6d03cdafe7148870eb8828fdc47facffb9f42cb75ae86b2e5d64f015730562b8
