[INFO] fetching crate tallystick 0.3.1...
[INFO] testing tallystick-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tallystick 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tallystick 0.3.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c832a4c7fb8ba7e3743f1d61cb122caf071640d9039f89165044de430ad6dd96
[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" "c832a4c7fb8ba7e3743f1d61cb122caf071640d9039f89165044de430ad6dd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c832a4c7fb8ba7e3743f1d61cb122caf071640d9039f89165044de430ad6dd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c832a4c7fb8ba7e3743f1d61cb122caf071640d9039f89165044de430ad6dd96", kill_on_drop: false }`
[INFO] [stdout] c832a4c7fb8ba7e3743f1d61cb122caf071640d9039f89165044de430ad6dd96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b1113f4fc1bdefc58b6b6acf4068035435b825c893529f88b7752dd760fcace
[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" "3b1113f4fc1bdefc58b6b6acf4068035435b825c893529f88b7752dd760fcace", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling const-random v0.1.13
[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 14.56s
[INFO] running `Command { std: "docker" "inspect" "3b1113f4fc1bdefc58b6b6acf4068035435b825c893529f88b7752dd760fcace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1113f4fc1bdefc58b6b6acf4068035435b825c893529f88b7752dd760fcace", kill_on_drop: false }`
[INFO] [stdout] 3b1113f4fc1bdefc58b6b6acf4068035435b825c893529f88b7752dd760fcace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa8d147ce5959d7288c917d818e4862da114f12e7f2724052b3e0c84f6d3b3f5
[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" "aa8d147ce5959d7288c917d818e4862da114f12e7f2724052b3e0c84f6d3b3f5", kill_on_drop: false }`
[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 14.59s
[INFO] running `Command { std: "docker" "inspect" "aa8d147ce5959d7288c917d818e4862da114f12e7f2724052b3e0c84f6d3b3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8d147ce5959d7288c917d818e4862da114f12e7f2724052b3e0c84f6d3b3f5", kill_on_drop: false }`
[INFO] [stdout] aa8d147ce5959d7288c917d818e4862da114f12e7f2724052b3e0c84f6d3b3f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acf4a0d53ee1cdfbf88fe0686c6504e2d78419c780c510251c9d30d87042cebf
[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" "acf4a0d53ee1cdfbf88fe0686c6504e2d78419c780c510251c9d30d87042cebf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tallystick-913c2fae5315030e
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test approval::tests::approval_basic ... ok
[INFO] [stdout] test plurality::tests::plurality_test ... ok
[INFO] [stdout] test condorcet::tests::condorcet_wikipedia ... ok
[INFO] [stdout] test score::tests::score_basic ... ok
[INFO] [stdout] test score::tests::score_wikipedia ... ok
[INFO] [stdout] test approval::tests::approval_lumen ... ok
[INFO] [stdout] test condorcet::tests::condorcet_graph ... ok
[INFO] [stdout] test condorcet::tests::condorcet_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tallystick
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[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-27c1828d864ff152.rlib --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-5703c87255c1f557.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-df428a0ba79b6858.rlib --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-0edc7e0ad783da41.rlib --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-a011c700aac1c3f1.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-4a59219676fe7595.rlib --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-6fd027e19ae8a92c.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-87f6316c73290afe.rlib --extern tallystick=/opt/rustwide/target/debug/deps/libtallystick-f778fcf734409cf6.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "acf4a0d53ee1cdfbf88fe0686c6504e2d78419c780c510251c9d30d87042cebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf4a0d53ee1cdfbf88fe0686c6504e2d78419c780c510251c9d30d87042cebf", kill_on_drop: false }`
[INFO] [stdout] acf4a0d53ee1cdfbf88fe0686c6504e2d78419c780c510251c9d30d87042cebf