[INFO] fetching crate ranked_voting 0.3.0...
[INFO] testing ranked_voting-0.3.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate ranked_voting 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ranked_voting 0.3.0
[INFO] finished tweaking crates.io crate ranked_voting 0.3.0
[INFO] tweaked toml for crates.io crate ranked_voting 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ranked_voting 0.3.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4573459a1ce8cc97295a111190b712da4c2cbaa13c11dc92015af93a45813d8
[INFO] running `Command { std: "docker" "start" "-a" "a4573459a1ce8cc97295a111190b712da4c2cbaa13c11dc92015af93a45813d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4573459a1ce8cc97295a111190b712da4c2cbaa13c11dc92015af93a45813d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4573459a1ce8cc97295a111190b712da4c2cbaa13c11dc92015af93a45813d8", kill_on_drop: false }`
[INFO] [stdout] a4573459a1ce8cc97295a111190b712da4c2cbaa13c11dc92015af93a45813d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbb661204c8d1db8c10ffff7889a5645e5399dc57cd8ddf5384019fd57565e70
[INFO] running `Command { std: "docker" "start" "-a" "fbb661204c8d1db8c10ffff7889a5645e5399dc57cd8ddf5384019fd57565e70", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling sha256 v1.6.0
[INFO] [stderr]    Compiling ranked_voting v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `VoteSignature` is never constructed
[INFO] [stdout]    --> src/lib.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 | struct VoteSignature {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "fbb661204c8d1db8c10ffff7889a5645e5399dc57cd8ddf5384019fd57565e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb661204c8d1db8c10ffff7889a5645e5399dc57cd8ddf5384019fd57565e70", kill_on_drop: false }`
[INFO] [stdout] fbb661204c8d1db8c10ffff7889a5645e5399dc57cd8ddf5384019fd57565e70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a13c3523069dd8a73e645f97ab25aa68ed7275bb993548d825f3a095343fc0
[INFO] running `Command { std: "docker" "start" "-a" "67a13c3523069dd8a73e645f97ab25aa68ed7275bb993548d825f3a095343fc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling ranked_voting v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `VoteSignature` is never constructed
[INFO] [stdout]    --> src/lib.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 | struct VoteSignature {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stdout] warning: struct `VoteSignature` is never constructed
[INFO] [stdout]    --> src/lib.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 | struct VoteSignature {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `Command { std: "docker" "inspect" "67a13c3523069dd8a73e645f97ab25aa68ed7275bb993548d825f3a095343fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a13c3523069dd8a73e645f97ab25aa68ed7275bb993548d825f3a095343fc0", kill_on_drop: false }`
[INFO] [stdout] 67a13c3523069dd8a73e645f97ab25aa68ed7275bb993548d825f3a095343fc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de238cd896f4bfc48ddbd68a62979741f6dd800f1fc52c2ee2e2fe5e9f284956
[INFO] running `Command { std: "docker" "start" "-a" "de238cd896f4bfc48ddbd68a62979741f6dd800f1fc52c2ee2e2fe5e9f284956", kill_on_drop: false }`
[INFO] [stderr] warning: struct `VoteSignature` is never constructed
[INFO] [stderr]    --> src/lib.rs:198:8
[INFO] [stderr]     |
[INFO] [stderr] 198 | struct VoteSignature {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ranked_voting` (lib) generated 1 warning
[INFO] [stderr] warning: `ranked_voting` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ranked_voting-af391562ee534527)
[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 ranked_voting
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/builder.rs - builder::Builder (line 7) ... ok
[INFO] [stdout] test src/lib.rs - run_election1 (line 273) ... ok
[INFO] [stdout] test src/lib.rs - run_election (line 239) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de238cd896f4bfc48ddbd68a62979741f6dd800f1fc52c2ee2e2fe5e9f284956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de238cd896f4bfc48ddbd68a62979741f6dd800f1fc52c2ee2e2fe5e9f284956", kill_on_drop: false }`
[INFO] [stdout] de238cd896f4bfc48ddbd68a62979741f6dd800f1fc52c2ee2e2fe5e9f284956