[INFO] fetching crate melodies-core 0.1.0...
[INFO] testing melodies-core-0.1.0 against 1.90.0 for beta-1.91-3
[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 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4163f0dd324435f09e2b664110a5d4da4414de281768152773b4d1a3b1883614
[INFO] running `Command { std: "docker" "start" "-a" "4163f0dd324435f09e2b664110a5d4da4414de281768152773b4d1a3b1883614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4163f0dd324435f09e2b664110a5d4da4414de281768152773b4d1a3b1883614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4163f0dd324435f09e2b664110a5d4da4414de281768152773b4d1a3b1883614", kill_on_drop: false }`
[INFO] [stdout] 4163f0dd324435f09e2b664110a5d4da4414de281768152773b4d1a3b1883614
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47cea38ec24e000b1a5abcf699881b83717e87914972c2bd27a6283f60527397
[INFO] running `Command { std: "docker" "start" "-a" "47cea38ec24e000b1a5abcf699881b83717e87914972c2bd27a6283f60527397", 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 6.79s
[INFO] running `Command { std: "docker" "inspect" "47cea38ec24e000b1a5abcf699881b83717e87914972c2bd27a6283f60527397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cea38ec24e000b1a5abcf699881b83717e87914972c2bd27a6283f60527397", kill_on_drop: false }`
[INFO] [stdout] 47cea38ec24e000b1a5abcf699881b83717e87914972c2bd27a6283f60527397
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b1f2558034ec9b99f34857cd77aee687e4b222d2138b33a39a223f5d9848c17
[INFO] running `Command { std: "docker" "start" "-a" "7b1f2558034ec9b99f34857cd77aee687e4b222d2138b33a39a223f5d9848c17", 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 0.51s
[INFO] running `Command { std: "docker" "inspect" "7b1f2558034ec9b99f34857cd77aee687e4b222d2138b33a39a223f5d9848c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1f2558034ec9b99f34857cd77aee687e4b222d2138b33a39a223f5d9848c17", kill_on_drop: false }`
[INFO] [stdout] 7b1f2558034ec9b99f34857cd77aee687e4b222d2138b33a39a223f5d9848c17
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c089eb71809d9c5fdc09ca631018de7e6b6900cc4f233b93f1a7f3ce3eaf61e
[INFO] running `Command { std: "docker" "start" "-a" "6c089eb71809d9c5fdc09ca631018de7e6b6900cc4f233b93f1a7f3ce3eaf61e", 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-15e0a59e62cb1dc6)
[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" "6c089eb71809d9c5fdc09ca631018de7e6b6900cc4f233b93f1a7f3ce3eaf61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c089eb71809d9c5fdc09ca631018de7e6b6900cc4f233b93f1a7f3ce3eaf61e", kill_on_drop: false }`
[INFO] [stdout] 6c089eb71809d9c5fdc09ca631018de7e6b6900cc4f233b93f1a7f3ce3eaf61e