[INFO] fetching crate ranked_voting 0.3.0...
[INFO] testing ranked_voting-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate ranked_voting 0.3.0 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ranked_voting 0.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.8)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0d8d320315ba2c8644d4d4966a547ff65f1f966d87aa2e94fa6366fc5f6a243
[INFO] running `Command { std: "docker" "start" "-a" "a0d8d320315ba2c8644d4d4966a547ff65f1f966d87aa2e94fa6366fc5f6a243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0d8d320315ba2c8644d4d4966a547ff65f1f966d87aa2e94fa6366fc5f6a243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d8d320315ba2c8644d4d4966a547ff65f1f966d87aa2e94fa6366fc5f6a243", kill_on_drop: false }`
[INFO] [stdout] a0d8d320315ba2c8644d4d4966a547ff65f1f966d87aa2e94fa6366fc5f6a243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 328726201ab543d813aa3b71100692df1199de2179c0c779ad543f8a704f55b7
[INFO] running `Command { std: "docker" "start" "-a" "328726201ab543d813aa3b71100692df1199de2179c0c779ad543f8a704f55b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "328726201ab543d813aa3b71100692df1199de2179c0c779ad543f8a704f55b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328726201ab543d813aa3b71100692df1199de2179c0c779ad543f8a704f55b7", kill_on_drop: false }`
[INFO] [stdout] 328726201ab543d813aa3b71100692df1199de2179c0c779ad543f8a704f55b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4db4f3cf69bb3207e7745df868a634b059cfdbabb242ee1aca3fa505403c036
[INFO] running `Command { std: "docker" "start" "-a" "a4db4f3cf69bb3207e7745df868a634b059cfdbabb242ee1aca3fa505403c036", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `Command { std: "docker" "inspect" "a4db4f3cf69bb3207e7745df868a634b059cfdbabb242ee1aca3fa505403c036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4db4f3cf69bb3207e7745df868a634b059cfdbabb242ee1aca3fa505403c036", kill_on_drop: false }`
[INFO] [stdout] a4db4f3cf69bb3207e7745df868a634b059cfdbabb242ee1aca3fa505403c036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 696296b67a319d14288abde6417032704a586448f749dbd39ae61cd5ecb7ec57
[INFO] running `Command { std: "docker" "start" "-a" "696296b67a319d14288abde6417032704a586448f749dbd39ae61cd5ecb7ec57", 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)]` (part of `#[warn(unused)]`) 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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ranked_voting-d194396b73d31a6c)
[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 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "696296b67a319d14288abde6417032704a586448f749dbd39ae61cd5ecb7ec57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696296b67a319d14288abde6417032704a586448f749dbd39ae61cd5ecb7ec57", kill_on_drop: false }`
[INFO] [stdout] 696296b67a319d14288abde6417032704a586448f749dbd39ae61cd5ecb7ec57