[INFO] fetching crate ranked_voting 0.3.0...
[INFO] testing ranked_voting-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate ranked_voting 0.3.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ranked_voting 0.3.0 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 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha256 v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1e3dd9180788f610b4b698c39e0e2309aa2b34b4a43b67b21451f280788d8997
[INFO] running `Command { std: "docker" "start" "-a" "1e3dd9180788f610b4b698c39e0e2309aa2b34b4a43b67b21451f280788d8997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e3dd9180788f610b4b698c39e0e2309aa2b34b4a43b67b21451f280788d8997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3dd9180788f610b4b698c39e0e2309aa2b34b4a43b67b21451f280788d8997", kill_on_drop: false }`
[INFO] [stdout] 1e3dd9180788f610b4b698c39e0e2309aa2b34b4a43b67b21451f280788d8997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0a11e1ebbd72e5e7bfa673926c107f3ebc2b8a77fcac001e282da54dfcd453aa
[INFO] running `Command { std: "docker" "start" "-a" "0a11e1ebbd72e5e7bfa673926c107f3ebc2b8a77fcac001e282da54dfcd453aa", 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 7.78s
[INFO] running `Command { std: "docker" "inspect" "0a11e1ebbd72e5e7bfa673926c107f3ebc2b8a77fcac001e282da54dfcd453aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a11e1ebbd72e5e7bfa673926c107f3ebc2b8a77fcac001e282da54dfcd453aa", kill_on_drop: false }`
[INFO] [stdout] 0a11e1ebbd72e5e7bfa673926c107f3ebc2b8a77fcac001e282da54dfcd453aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] aee5467627488d1668b321c7437c797a78b42d0198c49f72ce2f1fc5d807d4f2
[INFO] running `Command { std: "docker" "start" "-a" "aee5467627488d1668b321c7437c797a78b42d0198c49f72ce2f1fc5d807d4f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[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-automata v0.4.11
[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 9.27s
[INFO] running `Command { std: "docker" "inspect" "aee5467627488d1668b321c7437c797a78b42d0198c49f72ce2f1fc5d807d4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee5467627488d1668b321c7437c797a78b42d0198c49f72ce2f1fc5d807d4f2", kill_on_drop: false }`
[INFO] [stdout] aee5467627488d1668b321c7437c797a78b42d0198c49f72ce2f1fc5d807d4f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 19e910a2ef697add1eedb1884fe0aa3bdcfda991133ccea209c58e37b81be9a5
[INFO] running `Command { std: "docker" "start" "-a" "19e910a2ef697add1eedb1884fe0aa3bdcfda991133ccea209c58e37b81be9a5", kill_on_drop: false }`
[INFO] [stderr] warning: struct `VoteSignature` is never constructed
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:198:8
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 198 | struct VoteSignature {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[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 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ranked_voting-cb83c09b3f2d81b6)
[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_election (line 239) ... ok
[INFO] [stdout] test src/lib.rs - run_election1 (line 273) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19e910a2ef697add1eedb1884fe0aa3bdcfda991133ccea209c58e37b81be9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e910a2ef697add1eedb1884fe0aa3bdcfda991133ccea209c58e37b81be9a5", kill_on_drop: false }`
[INFO] [stdout] 19e910a2ef697add1eedb1884fe0aa3bdcfda991133ccea209c58e37b81be9a5