[INFO] fetching crate tetcore-node 0.1.1...
[INFO] testing tetcore-node-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tetcore-node 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tetcore-node 0.1.1
[INFO] finished tweaking crates.io crate tetcore-node 0.1.1
[INFO] tweaked toml for crates.io crate tetcore-node 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tetcore-node 0.1.1 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] crate crates.io crate tetcore-node 0.1.1 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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d63e6be894ca0ff41dfe0dc545a3b06dd4f56129ff706ee7db2fa0aa6ec9d72a
[INFO] running `Command { std: "docker" "start" "-a" "d63e6be894ca0ff41dfe0dc545a3b06dd4f56129ff706ee7db2fa0aa6ec9d72a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d63e6be894ca0ff41dfe0dc545a3b06dd4f56129ff706ee7db2fa0aa6ec9d72a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63e6be894ca0ff41dfe0dc545a3b06dd4f56129ff706ee7db2fa0aa6ec9d72a", kill_on_drop: false }`
[INFO] [stdout] d63e6be894ca0ff41dfe0dc545a3b06dd4f56129ff706ee7db2fa0aa6ec9d72a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c6450c1a3cadffe08b58d052107872fcc4b9290cd4266d3e4f0060c9471d914
[INFO] running `Command { std: "docker" "start" "-a" "3c6450c1a3cadffe08b58d052107872fcc4b9290cd4266d3e4f0060c9471d914", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling clap_builder v4.5.60
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling clap v4.5.60
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling ed25519-dalek v2.2.0
[INFO] [stderr]    Compiling tetcore-primitives v0.1.1
[INFO] [stderr]    Compiling tetcore-kernel v0.1.1
[INFO] [stderr]    Compiling tetcore-vm v0.1.1
[INFO] [stderr]    Compiling tetcore-runtime v0.1.1
[INFO] [stderr]    Compiling tetcore-node v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut block = Block::new(header, transactions);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.94s
[INFO] running `Command { std: "docker" "inspect" "3c6450c1a3cadffe08b58d052107872fcc4b9290cd4266d3e4f0060c9471d914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6450c1a3cadffe08b58d052107872fcc4b9290cd4266d3e4f0060c9471d914", kill_on_drop: false }`
[INFO] [stdout] 3c6450c1a3cadffe08b58d052107872fcc4b9290cd4266d3e4f0060c9471d914
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 961f5e8f01bcb1ee80d014d3164400860d44628dac5f09b7c2a1d45c334d5bcb
[INFO] running `Command { std: "docker" "start" "-a" "961f5e8f01bcb1ee80d014d3164400860d44628dac5f09b7c2a1d45c334d5bcb", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut block = Block::new(header, transactions);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tetcore-node v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut block = Block::new(header, transactions);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "961f5e8f01bcb1ee80d014d3164400860d44628dac5f09b7c2a1d45c334d5bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961f5e8f01bcb1ee80d014d3164400860d44628dac5f09b7c2a1d45c334d5bcb", kill_on_drop: false }`
[INFO] [stdout] 961f5e8f01bcb1ee80d014d3164400860d44628dac5f09b7c2a1d45c334d5bcb
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 523e247db9e9443bc0b4a334ecebd54415f82821807b72900efc8f26c45cd521
[INFO] running `Command { std: "docker" "start" "-a" "523e247db9e9443bc0b4a334ecebd54415f82821807b72900efc8f26c45cd521", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let mut block = Block::new(header, transactions);
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tetcore-node` (lib) generated 1 warning (run `cargo fix --lib -p tetcore-node` to apply 1 suggestion)
[INFO] [stderr] warning: `tetcore-node` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tetcore_node-6a3fdbf6707b81e4)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tetcore-e813338ab57c754c)
[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 tetcore_node
[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" "523e247db9e9443bc0b4a334ecebd54415f82821807b72900efc8f26c45cd521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523e247db9e9443bc0b4a334ecebd54415f82821807b72900efc8f26c45cd521", kill_on_drop: false }`
[INFO] [stdout] 523e247db9e9443bc0b4a334ecebd54415f82821807b72900efc8f26c45cd521
