[INFO] fetching crate rate-common 0.3.0...
[INFO] testing rate-common-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rate-common 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rate-common 0.3.0 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 rate-common 0.3.0
[INFO] finished tweaking crates.io crate rate-common 0.3.0
[INFO] tweaked toml for crates.io crate rate-common 0.3.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 2af540423b8c40cdc3924e8b72615ed12ef184680a10f69b13cdacc2a9ea3af1
[INFO] running `Command { std: "docker" "start" "-a" "2af540423b8c40cdc3924e8b72615ed12ef184680a10f69b13cdacc2a9ea3af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2af540423b8c40cdc3924e8b72615ed12ef184680a10f69b13cdacc2a9ea3af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af540423b8c40cdc3924e8b72615ed12ef184680a10f69b13cdacc2a9ea3af1", kill_on_drop: false }`
[INFO] [stdout] 2af540423b8c40cdc3924e8b72615ed12ef184680a10f69b13cdacc2a9ea3af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10a1fe09463701eae5e1405e5464858d37ca6ebfd9e05146aea86e16dab8def4
[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" "10a1fe09463701eae5e1405e5464858d37ca6ebfd9e05146aea86e16dab8def4", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling rate-macros v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling lz4 v1.23.2
[INFO] [stderr]    Compiling zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]    Compiling rate-common v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/parser.rs:471:5
[INFO] [stdout]     |
[INFO] [stdout] 471 |     ((1023 * sum + prod) ^ (31 * xor))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `Command { std: "docker" "inspect" "10a1fe09463701eae5e1405e5464858d37ca6ebfd9e05146aea86e16dab8def4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a1fe09463701eae5e1405e5464858d37ca6ebfd9e05146aea86e16dab8def4", kill_on_drop: false }`
[INFO] [stdout] 10a1fe09463701eae5e1405e5464858d37ca6ebfd9e05146aea86e16dab8def4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d55deea828b68e82e996213a455d37e2bae8918e58593f3157b978facc527388
[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" "d55deea828b68e82e996213a455d37e2bae8918e58593f3157b978facc527388", kill_on_drop: false }`
[INFO] [stderr]    Compiling rate-common v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/parser.rs:471:5
[INFO] [stdout]     |
[INFO] [stdout] 471 |     ((1023 * sum + prod) ^ (31 * xor))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/parser.rs:471:5
[INFO] [stdout]     |
[INFO] [stdout] 471 |     ((1023 * sum + prod) ^ (31 * xor))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "d55deea828b68e82e996213a455d37e2bae8918e58593f3157b978facc527388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55deea828b68e82e996213a455d37e2bae8918e58593f3157b978facc527388", kill_on_drop: false }`
[INFO] [stdout] d55deea828b68e82e996213a455d37e2bae8918e58593f3157b978facc527388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e70a6e38bdeca0d068fb7152f849b713e62edffb6174470c5b490f5d7834cb2
[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" "8e70a6e38bdeca0d068fb7152f849b713e62edffb6174470c5b490f5d7834cb2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser.rs:471:5
[INFO] [stderr]     |
[INFO] [stderr] 471 |     ((1023 * sum + prod) ^ (31 * xor))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser.rs:471:5
[INFO] [stderr]     |
[INFO] [stderr] 471 |     ((1023 * sum + prod) ^ (31 * xor))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rate_common-40344ce9e80b107b
[INFO] [stdout] running 1 test
[INFO] [stdout] test parser::tests::valid_formula_and_proof ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rate-common
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/parser.rs:471:5
[INFO] [stderr]     |
[INFO] [stderr] 471 |     ((1023 * sum + prod) ^ (31 * xor))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/clause.rs - clause::LRATLiteral (line 247) ... ok
[INFO] [stdout] test src/clause.rs - clause::Reason (line 140) ... ok
[INFO] [stdout] test src/clause.rs - clause::LRATDependency (line 198) ... ok
[INFO] [stdout] test src/clause.rs - clause::ProofStep (line 102) ... ok
[INFO] [stdout] test src/literal.rs - literal::Literal (line 157) ... ok
[INFO] [stdout] test src/literal.rs - literal::Literal::is_constant (line 110) ... ok
[INFO] [stdout] test src/literal.rs - literal::Literal::variable (line 100) ... ok
[INFO] [stdout] test src/literal.rs - literal::Literal::is_zero (line 134) ... ok
[INFO] [stdout] test src/literal.rs - literal::Literal::decode (line 87) ... ok
[INFO] [stdout] test src/literal.rs - literal::Literal (line 172) ... ok
[INFO] [stdout] test src/literal.rs - literal::Literal::all (line 122) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e70a6e38bdeca0d068fb7152f849b713e62edffb6174470c5b490f5d7834cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e70a6e38bdeca0d068fb7152f849b713e62edffb6174470c5b490f5d7834cb2", kill_on_drop: false }`
[INFO] [stdout] 8e70a6e38bdeca0d068fb7152f849b713e62edffb6174470c5b490f5d7834cb2