[INFO] fetching crate symbolic_polynomials 0.1.0...
[INFO] testing symbolic_polynomials-0.1.0 against 1.55.0 for beta-1.56-2
[INFO] extracting crate symbolic_polynomials 0.1.0 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate symbolic_polynomials 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic_polynomials 0.1.0
[INFO] finished tweaking crates.io crate symbolic_polynomials 0.1.0
[INFO] tweaked toml for crates.io crate symbolic_polynomials 0.1.0 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee0c037fad6b951aa9fb332cdb51ab624ac545c49d6312cc09190286a2635f5c
[INFO] running `Command { std: "docker" "start" "-a" "ee0c037fad6b951aa9fb332cdb51ab624ac545c49d6312cc09190286a2635f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee0c037fad6b951aa9fb332cdb51ab624ac545c49d6312cc09190286a2635f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0c037fad6b951aa9fb332cdb51ab624ac545c49d6312cc09190286a2635f5c", kill_on_drop: false }`
[INFO] [stdout] ee0c037fad6b951aa9fb332cdb51ab624ac545c49d6312cc09190286a2635f5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5642d0928006e6d29da88fcb755c8135c6aa297c17c72cbbb3fd65eacb9c3d7
[INFO] running `Command { std: "docker" "start" "-a" "f5642d0928006e6d29da88fcb755c8135c6aa297c17c72cbbb3fd65eacb9c3d7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling symbolic_polynomials v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.61s
[INFO] running `Command { std: "docker" "inspect" "f5642d0928006e6d29da88fcb755c8135c6aa297c17c72cbbb3fd65eacb9c3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5642d0928006e6d29da88fcb755c8135c6aa297c17c72cbbb3fd65eacb9c3d7", kill_on_drop: false }`
[INFO] [stdout] f5642d0928006e6d29da88fcb755c8135c6aa297c17c72cbbb3fd65eacb9c3d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1b0e757556deb56bec61b9becef54b25dec438a5011b27d3968296afabb225d
[INFO] running `Command { std: "docker" "start" "-a" "b1b0e757556deb56bec61b9becef54b25dec438a5011b27d3968296afabb225d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling symbolic_polynomials v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias is never used: `TestPolynomial`
[INFO] [stdout]  --> tests/monomial.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | type TestPolynomial = Polynomial<String, i64, u8>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `TestMonomial`
[INFO] [stdout]  --> tests/functions.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | type TestMonomial = Monomial<String, i64, u8>;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "b1b0e757556deb56bec61b9becef54b25dec438a5011b27d3968296afabb225d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b0e757556deb56bec61b9becef54b25dec438a5011b27d3968296afabb225d", kill_on_drop: false }`
[INFO] [stdout] b1b0e757556deb56bec61b9becef54b25dec438a5011b27d3968296afabb225d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f98cf6e267cc246034321e4b152dcf82728367b79f342f1dd705e6c91b521847
[INFO] running `Command { std: "docker" "start" "-a" "f98cf6e267cc246034321e4b152dcf82728367b79f342f1dd705e6c91b521847", kill_on_drop: false }`
[INFO] [stderr] warning: type alias is never used: `TestPolynomial`
[INFO] [stderr]  --> tests/monomial.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | type TestPolynomial = Polynomial<String, i64, u8>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TestMonomial`
[INFO] [stderr]  --> tests/functions.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | type TestMonomial = Monomial<String, i64, u8>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `symbolic_polynomials` (test "monomial") generated 1 warning
[INFO] [stderr] warning: `symbolic_polynomials` (test "functions") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symbolic_polynomials-1622451df65509e6)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/functions.rs (/opt/rustwide/target/debug/deps/functions-cf2652d66178321f)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test deduce_values_test1 ... ok
[INFO] [stdout] test ceil_test ... ok
[INFO] [stdout] test deduce_values_test2 ... ok
[INFO] [stdout] test deduce_values_test3 ... ok
[INFO] [stdout] test deduce_values_test_all ... ok
[INFO] [stdout] test deduce_values_test_ceil_max ... ok
[INFO] [stdout] test deduce_values_test_fails ... ok
[INFO] [stdout] test max_test ... ok
[INFO] [stdout] test floor_test ... ok
[INFO] [stdout] test min_test ... ok
[INFO] [stdout] test deduce_values_test_floor_min ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/monomial.rs (/opt/rustwide/target/debug/deps/monomial-f41db0937f207bba)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test add_test ... ok
[INFO] [stdout] test constructor ... ok
[INFO] [stdout] test eval_test ... ok
[INFO] [stdout] test div_test ... ok
[INFO] [stdout] test mul_test ... ok
[INFO] [stdout] test ord_test ... ok
[INFO] [stdout] test partial_eq_test ... ok
[INFO] [stdout] test sub_test ... ok
[INFO] [stdout] test up_to_coefficient_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/polynomial.rs (/opt/rustwide/target/debug/deps/polynomial-3e3ac75ebf253877)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test add_test ... ok
[INFO] [stdout] test constructor ... ok
[INFO] [stdout] test mul_test ... ok
[INFO] [stdout] test div_test ... ok
[INFO] [stdout] test ord_test ... ok
[INFO] [stdout] test partial_eq_test ... ok
[INFO] [stdout] test sub_test ... ok
[INFO] [stdout] test eval_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests symbolic_polynomials
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f98cf6e267cc246034321e4b152dcf82728367b79f342f1dd705e6c91b521847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98cf6e267cc246034321e4b152dcf82728367b79f342f1dd705e6c91b521847", kill_on_drop: false }`
[INFO] [stdout] f98cf6e267cc246034321e4b152dcf82728367b79f342f1dd705e6c91b521847