[INFO] cloning repository https://github.com/mikaylathompson/rust-bloom-filter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikaylathompson/rust-bloom-filter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikaylathompson%2Frust-bloom-filter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikaylathompson%2Frust-bloom-filter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8de00eff4227a3988ec52e51e3a031716523da7
[INFO] testing mikaylathompson/rust-bloom-filter against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikaylathompson%2Frust-bloom-filter" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikaylathompson/rust-bloom-filter 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 git repo https://github.com/mikaylathompson/rust-bloom-filter
[INFO] finished tweaking git repo https://github.com/mikaylathompson/rust-bloom-filter
[INFO] tweaked toml for git repo https://github.com/mikaylathompson/rust-bloom-filter written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mikaylathompson/rust-bloom-filter already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc2d0e961fde7e02ab44d9f3d35ebc6c90791f489aa03b3de330a0fdba188f56
[INFO] running `Command { std: "docker" "start" "-a" "dc2d0e961fde7e02ab44d9f3d35ebc6c90791f489aa03b3de330a0fdba188f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc2d0e961fde7e02ab44d9f3d35ebc6c90791f489aa03b3de330a0fdba188f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2d0e961fde7e02ab44d9f3d35ebc6c90791f489aa03b3de330a0fdba188f56", kill_on_drop: false }`
[INFO] [stdout] dc2d0e961fde7e02ab44d9f3d35ebc6c90791f489aa03b3de330a0fdba188f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 07a71a40aa5701cb85664553d9c988f41553354a03def67e0c005d8f72aa25db
[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" "07a71a40aa5701cb85664553d9c988f41553354a03def67e0c005d8f72aa25db", kill_on_drop: false }`
[INFO] [stderr]    Compiling bloom-filter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "07a71a40aa5701cb85664553d9c988f41553354a03def67e0c005d8f72aa25db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a71a40aa5701cb85664553d9c988f41553354a03def67e0c005d8f72aa25db", kill_on_drop: false }`
[INFO] [stdout] 07a71a40aa5701cb85664553d9c988f41553354a03def67e0c005d8f72aa25db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a7de70d9f8cc5d0eec18a1f4228088fbf366f719bf6ab48a631332e019f303fa
[INFO] running `Command { std: "docker" "start" "-a" "a7de70d9f8cc5d0eec18a1f4228088fbf366f719bf6ab48a631332e019f303fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling bloom-filter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let x = BloomFilter::new();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `twowords`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let twowords = oneword.add("world".to_string());
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_twowords`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "a7de70d9f8cc5d0eec18a1f4228088fbf366f719bf6ab48a631332e019f303fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7de70d9f8cc5d0eec18a1f4228088fbf366f719bf6ab48a631332e019f303fa", kill_on_drop: false }`
[INFO] [stdout] a7de70d9f8cc5d0eec18a1f4228088fbf366f719bf6ab48a631332e019f303fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d299c44efdec6b896b069b253c4b799ac5fccba3a7fc36a3be08138f9f8bde33
[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" "d299c44efdec6b896b069b253c4b799ac5fccba3a7fc36a3be08138f9f8bde33", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let x = BloomFilter::new();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `twowords`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let twowords = oneword.add("world".to_string());
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_twowords`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bloom_filter-6402521ec4b4f3e9
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test add_fn_runs ... ok
[INFO] [stdout] test not_inserted_words_are_rarely_found ... ok
[INFO] [stdout] test inserted_words_are_found ... ok
[INFO] [stdout] test instantiate_bloom_filter ... ok
[INFO] [stdout] test test_fn_runs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d299c44efdec6b896b069b253c4b799ac5fccba3a7fc36a3be08138f9f8bde33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d299c44efdec6b896b069b253c4b799ac5fccba3a7fc36a3be08138f9f8bde33", kill_on_drop: false }`
[INFO] [stdout] d299c44efdec6b896b069b253c4b799ac5fccba3a7fc36a3be08138f9f8bde33