[INFO] fetching crate melodies-core 0.1.0...
[INFO] testing melodies-core-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate melodies-core 0.1.0 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate melodies-core 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e54e744ffa76261198df81d17144864c61e0e219e11928fdc8defcf5f9c82fce
[INFO] running `Command { std: "docker" "start" "-a" "e54e744ffa76261198df81d17144864c61e0e219e11928fdc8defcf5f9c82fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e54e744ffa76261198df81d17144864c61e0e219e11928fdc8defcf5f9c82fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54e744ffa76261198df81d17144864c61e0e219e11928fdc8defcf5f9c82fce", kill_on_drop: false }`
[INFO] [stdout] e54e744ffa76261198df81d17144864c61e0e219e11928fdc8defcf5f9c82fce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fea1d6da2a32c38accbb83121c277ab6071cda816ac1427f0a54a4fe1d0d2735
[INFO] running `Command { std: "docker" "start" "-a" "fea1d6da2a32c38accbb83121c277ab6071cda816ac1427f0a54a4fe1d0d2735", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[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 5.92s
[INFO] running `Command { std: "docker" "inspect" "fea1d6da2a32c38accbb83121c277ab6071cda816ac1427f0a54a4fe1d0d2735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea1d6da2a32c38accbb83121c277ab6071cda816ac1427f0a54a4fe1d0d2735", kill_on_drop: false }`
[INFO] [stdout] fea1d6da2a32c38accbb83121c277ab6071cda816ac1427f0a54a4fe1d0d2735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12b44915618b0387d75400fc6918cdc89fdb74b09e37de71d4c138990fec24f
[INFO] running `Command { std: "docker" "start" "-a" "a12b44915618b0387d75400fc6918cdc89fdb74b09e37de71d4c138990fec24f", 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 0.57s
[INFO] running `Command { std: "docker" "inspect" "a12b44915618b0387d75400fc6918cdc89fdb74b09e37de71d4c138990fec24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12b44915618b0387d75400fc6918cdc89fdb74b09e37de71d4c138990fec24f", kill_on_drop: false }`
[INFO] [stdout] a12b44915618b0387d75400fc6918cdc89fdb74b09e37de71d4c138990fec24f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d541373ae50cff7c219830b9714cb7744a585eb552ed8045445105c767208dac
[INFO] running `Command { std: "docker" "start" "-a" "d541373ae50cff7c219830b9714cb7744a585eb552ed8045445105c767208dac", 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/melodies_core-4a511c2b7bae237e)
[INFO] [stdout] 
[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] [stderr]    Doc-tests melodies_core
[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" "d541373ae50cff7c219830b9714cb7744a585eb552ed8045445105c767208dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d541373ae50cff7c219830b9714cb7744a585eb552ed8045445105c767208dac", kill_on_drop: false }`
[INFO] [stdout] d541373ae50cff7c219830b9714cb7744a585eb552ed8045445105c767208dac