[INFO] fetching crate tallystick 0.3.1...
[INFO] testing tallystick-0.3.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tallystick 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tallystick 0.3.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tallystick 0.3.1
[INFO] finished tweaking crates.io crate tallystick 0.3.1
[INFO] tweaked toml for crates.io crate tallystick 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96f39e4829d43f0ca286b19769ffb5ef36d20e92538d0a669da906981a2bf5d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "96f39e4829d43f0ca286b19769ffb5ef36d20e92538d0a669da906981a2bf5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96f39e4829d43f0ca286b19769ffb5ef36d20e92538d0a669da906981a2bf5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f39e4829d43f0ca286b19769ffb5ef36d20e92538d0a669da906981a2bf5d7", kill_on_drop: false }`
[INFO] [stdout] 96f39e4829d43f0ca286b19769ffb5ef36d20e92538d0a669da906981a2bf5d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba703584b023d8f12d0f84ed3509b7bbb7daf4e8fc76b7a79392aa137f763a88
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba703584b023d8f12d0f84ed3509b7bbb7daf4e8fc76b7a79392aa137f763a88", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling ahash v0.2.19
[INFO] [stderr]    Compiling tallystick v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.07s
[INFO] running `Command { std: "docker" "inspect" "ba703584b023d8f12d0f84ed3509b7bbb7daf4e8fc76b7a79392aa137f763a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba703584b023d8f12d0f84ed3509b7bbb7daf4e8fc76b7a79392aa137f763a88", kill_on_drop: false }`
[INFO] [stdout] ba703584b023d8f12d0f84ed3509b7bbb7daf4e8fc76b7a79392aa137f763a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bee5fe32388478af6002403389a0ff128faabb30570b11a33e853fedc312322f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bee5fe32388478af6002403389a0ff128faabb30570b11a33e853fedc312322f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling tallystick v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.38s
[INFO] running `Command { std: "docker" "inspect" "bee5fe32388478af6002403389a0ff128faabb30570b11a33e853fedc312322f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee5fe32388478af6002403389a0ff128faabb30570b11a33e853fedc312322f", kill_on_drop: false }`
[INFO] [stdout] bee5fe32388478af6002403389a0ff128faabb30570b11a33e853fedc312322f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c10c3cf899e21ff426a0102256c8a04a72565a73ec071191706f6f754ee1ba11
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c10c3cf899e21ff426a0102256c8a04a72565a73ec071191706f6f754ee1ba11", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tallystick-7f4251a4d4696422
[INFO] [stdout] running 8 tests
[INFO] [stdout] test approval::tests::approval_basic ... ok
[INFO] [stdout] test approval::tests::approval_lumen ... ok
[INFO] [stdout] test score::tests::score_wikipedia ... ok
[INFO] [stdout] test condorcet::tests::condorcet_wikipedia ... ok
[INFO] [stdout] test plurality::tests::plurality_test ... ok
[INFO] [stdout] test score::tests::score_basic ... ok
[INFO] [stdout] test condorcet::tests::condorcet_basic ... ok
[INFO] [stderr]    Doc-tests tallystick
[INFO] [stdout] test condorcet::tests::condorcet_graph ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/plurality.rs - plurality::DefaultPluralityTally (line 15) ... ok
[INFO] [stdout] test src/plurality.rs - plurality::PluralityTally<T, C>::totals (line 150) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name tallystick -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="default"' --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-a7d0d97dfb23cfee.rlib --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-dd97a2ec8f0679ec.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-fd6a903af1634638.rlib --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-7dfcb84be9a4ff53.rlib --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-716ab23a78a063c8.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-cb2b583837c7ff21.rlib --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-1c1986f0e300a780.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-7b71cf6ad96983b5.rlib --extern tallystick=/opt/rustwide/target/debug/deps/libtallystick-a27ec54b577e3e70.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c10c3cf899e21ff426a0102256c8a04a72565a73ec071191706f6f754ee1ba11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10c3cf899e21ff426a0102256c8a04a72565a73ec071191706f6f754ee1ba11", kill_on_drop: false }`
[INFO] [stdout] c10c3cf899e21ff426a0102256c8a04a72565a73ec071191706f6f754ee1ba11