[INFO] fetching crate melodies-core 0.1.0...
[INFO] testing melodies-core-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate melodies-core 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate melodies-core 0.1.0
[INFO] finished tweaking crates.io crate melodies-core 0.1.0
[INFO] tweaked toml for crates.io crate melodies-core 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate melodies-core 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccd076edc6d17126dd48f63dd55370c80a8843445a85c1604c3b97f7881c69bc
[INFO] running `Command { std: "docker" "start" "-a" "ccd076edc6d17126dd48f63dd55370c80a8843445a85c1604c3b97f7881c69bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccd076edc6d17126dd48f63dd55370c80a8843445a85c1604c3b97f7881c69bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd076edc6d17126dd48f63dd55370c80a8843445a85c1604c3b97f7881c69bc", kill_on_drop: false }`
[INFO] [stdout] ccd076edc6d17126dd48f63dd55370c80a8843445a85c1604c3b97f7881c69bc
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89cb0e63531e5ff38e87c5527444ec8e380705a04df4b42c1859f7da9de123ad
[INFO] running `Command { std: "docker" "start" "-a" "89cb0e63531e5ff38e87c5527444ec8e380705a04df4b42c1859f7da9de123ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling melodies-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/handshake_state.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         drop(buf_remaining);
[INFO] [stdout]     |         ^^^^^-------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 189 -         drop(buf_remaining);
[INFO] [stdout] 189 +         let _ = buf_remaining;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "89cb0e63531e5ff38e87c5527444ec8e380705a04df4b42c1859f7da9de123ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89cb0e63531e5ff38e87c5527444ec8e380705a04df4b42c1859f7da9de123ad", kill_on_drop: false }`
[INFO] [stdout] 89cb0e63531e5ff38e87c5527444ec8e380705a04df4b42c1859f7da9de123ad
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f46968b06ae450924dc9e7511cd7257d37924ddc6a5c385a2db78c1796726c18
[INFO] running `Command { std: "docker" "start" "-a" "f46968b06ae450924dc9e7511cd7257d37924ddc6a5c385a2db78c1796726c18", kill_on_drop: false }`
[INFO] [stderr]    Compiling melodies-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/handshake_state.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         drop(buf_remaining);
[INFO] [stdout]     |         ^^^^^-------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 189 -         drop(buf_remaining);
[INFO] [stdout] 189 +         let _ = buf_remaining;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/handshake_state.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         drop(buf_remaining);
[INFO] [stdout]     |         ^^^^^-------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 189 -         drop(buf_remaining);
[INFO] [stdout] 189 +         let _ = buf_remaining;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "f46968b06ae450924dc9e7511cd7257d37924ddc6a5c385a2db78c1796726c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46968b06ae450924dc9e7511cd7257d37924ddc6a5c385a2db78c1796726c18", kill_on_drop: false }`
[INFO] [stdout] f46968b06ae450924dc9e7511cd7257d37924ddc6a5c385a2db78c1796726c18
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 189f21aacd74101a5603eef4e6ab785c08d03daecfdb60e0ed09304494504f47
[INFO] running `Command { std: "docker" "start" "-a" "189f21aacd74101a5603eef4e6ab785c08d03daecfdb60e0ed09304494504f47", kill_on_drop: false }`
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/handshake_state.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         drop(buf_remaining);
[INFO] [stderr]     |         ^^^^^-------------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&mut [u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 189 -         drop(buf_remaining);
[INFO] [stderr] 189 +         let _ = buf_remaining;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `melodies-core` (lib) generated 1 warning
[INFO] [stderr] warning: `melodies-core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/melodies_core-f379a6598cda680f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests melodies_core
[INFO] [stdout] running 1 test
[INFO] [stdout] test handshake_pattern::test::validate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "189f21aacd74101a5603eef4e6ab785c08d03daecfdb60e0ed09304494504f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189f21aacd74101a5603eef4e6ab785c08d03daecfdb60e0ed09304494504f47", kill_on_drop: false }`
[INFO] [stdout] 189f21aacd74101a5603eef4e6ab785c08d03daecfdb60e0ed09304494504f47