[INFO] cloning repository https://github.com/dev14325/rust-token-ledger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dev14325/rust-token-ledger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev14325%2Frust-token-ledger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev14325%2Frust-token-ledger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a595cd8814b370255a4a0452b38e40682167898a
[INFO] testing dev14325/rust-token-ledger against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev14325%2Frust-token-ledger" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dev14325/rust-token-ledger
[INFO] finished tweaking git repo https://github.com/dev14325/rust-token-ledger
[INFO] tweaked toml for git repo https://github.com/dev14325/rust-token-ledger written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dev14325/rust-token-ledger on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dev14325/rust-token-ledger 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing dev14325/rust-token-ledger against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdev14325%2Frust-token-ledger" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dev14325/rust-token-ledger
[INFO] finished tweaking git repo https://github.com/dev14325/rust-token-ledger
[INFO] tweaked toml for git repo https://github.com/dev14325/rust-token-ledger written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dev14325/rust-token-ledger on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dev14325/rust-token-ledger 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df63bc578e89b43ad6f38672557795ae158437121d79adabc31bf86c5436ee63
[INFO] running `Command { std: "docker" "start" "-a" "df63bc578e89b43ad6f38672557795ae158437121d79adabc31bf86c5436ee63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df63bc578e89b43ad6f38672557795ae158437121d79adabc31bf86c5436ee63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df63bc578e89b43ad6f38672557795ae158437121d79adabc31bf86c5436ee63", kill_on_drop: false }`
[INFO] [stdout] df63bc578e89b43ad6f38672557795ae158437121d79adabc31bf86c5436ee63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e44739bc74010fd67997209f22080d2114124e0c89b9c95748022e1a330c62c8
[INFO] running `Command { std: "docker" "start" "-a" "e44739bc74010fd67997209f22080d2114124e0c89b9c95748022e1a330c62c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust-Token-Wallet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `from`, `to`, and `amount` are never read
[INFO] [stdout]   --> src/ledger.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct TransferRecord {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 12 |     pub from: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 13 |     pub to: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 14 |     pub amount: u64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransferRecord` 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: method `history` is never used
[INFO] [stdout]   --> src/ledger.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Ledger {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn history(&self) -> &Vec<TransferRecord> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "e44739bc74010fd67997209f22080d2114124e0c89b9c95748022e1a330c62c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44739bc74010fd67997209f22080d2114124e0c89b9c95748022e1a330c62c8", kill_on_drop: false }`
[INFO] [stdout] e44739bc74010fd67997209f22080d2114124e0c89b9c95748022e1a330c62c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 335eb3dd072f80d23287bd1d47bc3152a4c357d00bae2f3260ce4d25db496956
[INFO] running `Command { std: "docker" "start" "-a" "335eb3dd072f80d23287bd1d47bc3152a4c357d00bae2f3260ce4d25db496956", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust-Token-Wallet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `from`, `to`, and `amount` are never read
[INFO] [stdout]   --> src/ledger.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct TransferRecord {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 12 |     pub from: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 13 |     pub to: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 14 |     pub amount: u64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransferRecord` 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: method `history` is never used
[INFO] [stdout]   --> src/ledger.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Ledger {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn history(&self) -> &Vec<TransferRecord> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "335eb3dd072f80d23287bd1d47bc3152a4c357d00bae2f3260ce4d25db496956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335eb3dd072f80d23287bd1d47bc3152a4c357d00bae2f3260ce4d25db496956", kill_on_drop: false }`
[INFO] [stdout] 335eb3dd072f80d23287bd1d47bc3152a4c357d00bae2f3260ce4d25db496956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35e2cf4ed62823896d29b357cf77e02c35caf247d9b386fea71e8ce92efb6d31
[INFO] running `Command { std: "docker" "start" "-a" "35e2cf4ed62823896d29b357cf77e02c35caf247d9b386fea71e8ce92efb6d31", kill_on_drop: false }`
[INFO] [stderr] warning: fields `from`, `to`, and `amount` are never read
[INFO] [stderr]   --> src/ledger.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct TransferRecord {
[INFO] [stderr]    |            -------------- fields in this struct
[INFO] [stderr] 12 |     pub from: String,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 13 |     pub to: String,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 14 |     pub amount: u64,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TransferRecord` 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: method `history` is never used
[INFO] [stderr]   --> src/ledger.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Ledger {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 79 |     pub fn history(&self) -> &Vec<TransferRecord> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `Rust-Token-Wallet` (bin "Rust-Token-Wallet" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Rust_Token_Wallet-be001ff64b17b930)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test ledger::tests::transfer_fails_on_insufficient_balance ... ok
[INFO] [stdout] test ledger::tests::transfer_fails_on_zero_amount ... ok
[INFO] [stdout] test ledger::tests::transfer_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35e2cf4ed62823896d29b357cf77e02c35caf247d9b386fea71e8ce92efb6d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e2cf4ed62823896d29b357cf77e02c35caf247d9b386fea71e8ce92efb6d31", kill_on_drop: false }`
[INFO] [stdout] 35e2cf4ed62823896d29b357cf77e02c35caf247d9b386fea71e8ce92efb6d31
