[INFO] cloning repository https://github.com/bemeurer/hemoglobin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bemeurer/hemoglobin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbemeurer%2Fhemoglobin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbemeurer%2Fhemoglobin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cd88b68fb856ad3a8f49f8512ffec529ed4d27e
[INFO] testing bemeurer/hemoglobin against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbemeurer%2Fhemoglobin" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bemeurer/hemoglobin 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/bemeurer/hemoglobin
[INFO] finished tweaking git repo https://github.com/bemeurer/hemoglobin
[INFO] tweaked toml for git repo https://github.com/bemeurer/hemoglobin written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/bemeurer/hemoglobin 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c19d09a315971b1d0f082df808b0b1527c2597df278782acfaf4522aa0430195
[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" "c19d09a315971b1d0f082df808b0b1527c2597df278782acfaf4522aa0430195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c19d09a315971b1d0f082df808b0b1527c2597df278782acfaf4522aa0430195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19d09a315971b1d0f082df808b0b1527c2597df278782acfaf4522aa0430195", kill_on_drop: false }`
[INFO] [stdout] c19d09a315971b1d0f082df808b0b1527c2597df278782acfaf4522aa0430195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ac2acc3789cbe413abc359e5b211007c2369200884812b87bae6d8e40f9c8984
[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" "ac2acc3789cbe413abc359e5b211007c2369200884812b87bae6d8e40f9c8984", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr]    Compiling gag v0.1.10
[INFO] [stderr]    Compiling rustty v0.1.12
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling hemoglobin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `dec`
[INFO] [stdout]    --> src/lib.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     dec: BigUint,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 50.06s
[INFO] running `Command { std: "docker" "inspect" "ac2acc3789cbe413abc359e5b211007c2369200884812b87bae6d8e40f9c8984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2acc3789cbe413abc359e5b211007c2369200884812b87bae6d8e40f9c8984", kill_on_drop: false }`
[INFO] [stdout] ac2acc3789cbe413abc359e5b211007c2369200884812b87bae6d8e40f9c8984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6c22e38aaed247728ba58c75d3f36c6c00caa9eb2be724c427a3b95befda1ba2
[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" "6c22e38aaed247728ba58c75d3f36c6c00caa9eb2be724c427a3b95befda1ba2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hemoglobin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `dec`
[INFO] [stdout]    --> src/lib.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     dec: BigUint,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dec`
[INFO] [stdout]    --> src/lib.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     dec: BigUint,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "6c22e38aaed247728ba58c75d3f36c6c00caa9eb2be724c427a3b95befda1ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c22e38aaed247728ba58c75d3f36c6c00caa9eb2be724c427a3b95befda1ba2", kill_on_drop: false }`
[INFO] [stdout] 6c22e38aaed247728ba58c75d3f36c6c00caa9eb2be724c427a3b95befda1ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 7c754f086e8ddfce5efbbaed6e14b74097b5df1aad40389f2b297fe6756db83b
[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" "7c754f086e8ddfce5efbbaed6e14b74097b5df1aad40389f2b297fe6756db83b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `dec`
[INFO] [stderr]    --> src/lib.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     dec: BigUint,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dec`
[INFO] [stderr]    --> src/lib.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     dec: BigUint,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 2.25s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hemoglobin-011c01b7ac8c6516
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_bitvec_order ... ok
[INFO] [stdout] test tests::test_get_state ... ok
[INFO] [stdout] test tests::test_gen_conway_dec ... ok
[INFO] [stdout] test tests::test_grid_from_string ... ok
[INFO] [stdout] test tests::test_rule_from_bigint ... ok
[INFO] [stdout] test tests::test_rule_dec_str_to_rule ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hemoglobin-469d2eb51f31f6e3
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hemoglobin
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Grid::from (line 90) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c754f086e8ddfce5efbbaed6e14b74097b5df1aad40389f2b297fe6756db83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c754f086e8ddfce5efbbaed6e14b74097b5df1aad40389f2b297fe6756db83b", kill_on_drop: false }`
[INFO] [stdout] 7c754f086e8ddfce5efbbaed6e14b74097b5df1aad40389f2b297fe6756db83b