[INFO] fetching crate synthez-core 0.3.1...
[INFO] building synthez-core-0.3.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate synthez-core 0.3.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate synthez-core 0.3.1
[INFO] finished tweaking crates.io crate synthez-core 0.3.1
[INFO] tweaked toml for crates.io crate synthez-core 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synthez-core 0.3.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding sealed v0.5.0 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bc01cd5470916668e23a3871397591314a1b6bca31c7cd01130baf518ce8100
[INFO] running `Command { std: "docker" "start" "-a" "9bc01cd5470916668e23a3871397591314a1b6bca31c7cd01130baf518ce8100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bc01cd5470916668e23a3871397591314a1b6bca31c7cd01130baf518ce8100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc01cd5470916668e23a3871397591314a1b6bca31c7cd01130baf518ce8100", kill_on_drop: false }`
[INFO] [stdout] 9bc01cd5470916668e23a3871397591314a1b6bca31c7cd01130baf518ce8100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92838450bfed4f82b0b1180cfa22069a4bc19c8897179353eaa4133d3432ff5f
[INFO] running `Command { std: "docker" "start" "-a" "92838450bfed4f82b0b1180cfa22069a4bc19c8897179353eaa4133d3432ff5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]    Compiling synthez-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]    --> src/lib.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     unused_tuple_struct_fields,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "92838450bfed4f82b0b1180cfa22069a4bc19c8897179353eaa4133d3432ff5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92838450bfed4f82b0b1180cfa22069a4bc19c8897179353eaa4133d3432ff5f", kill_on_drop: false }`
[INFO] [stdout] 92838450bfed4f82b0b1180cfa22069a4bc19c8897179353eaa4133d3432ff5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32e75bb809e964c81ca9d7a2b3dc67d15c1c8cda21e58e6804c21c67c99b29f5
[INFO] running `Command { std: "docker" "start" "-a" "32e75bb809e964c81ca9d7a2b3dc67d15c1c8cda21e58e6804c21c67c99b29f5", kill_on_drop: false }`
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]    --> src/lib.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     unused_tuple_struct_fields,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synthez-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `synthez`
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | use synthez as _; // for docs only
[INFO] [stdout]     |     ^^^^^^^^^^^^ no external crate `synthez`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]    --> src/lib.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     unused_tuple_struct_fields,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synthez-core` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "32e75bb809e964c81ca9d7a2b3dc67d15c1c8cda21e58e6804c21c67c99b29f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e75bb809e964c81ca9d7a2b3dc67d15c1c8cda21e58e6804c21c67c99b29f5", kill_on_drop: false }`
[INFO] [stdout] 32e75bb809e964c81ca9d7a2b3dc67d15c1c8cda21e58e6804c21c67c99b29f5