[INFO] fetching crate symbolic_polynomials 0.1.0...
[INFO] testing symbolic_polynomials-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate symbolic_polynomials 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate symbolic_polynomials 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f917e401d3f1d0e3cd57fdcb118b472a982c9b48c90f32f5b89ee0cc7b69766
[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" "4f917e401d3f1d0e3cd57fdcb118b472a982c9b48c90f32f5b89ee0cc7b69766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f917e401d3f1d0e3cd57fdcb118b472a982c9b48c90f32f5b89ee0cc7b69766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f917e401d3f1d0e3cd57fdcb118b472a982c9b48c90f32f5b89ee0cc7b69766", kill_on_drop: false }`
[INFO] [stdout] 4f917e401d3f1d0e3cd57fdcb118b472a982c9b48c90f32f5b89ee0cc7b69766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 468b45d8d6fbace06a9b1ede8e287251e8d3904b01adee0c216b32b94aa6eba7
[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" "468b45d8d6fbace06a9b1ede8e287251e8d3904b01adee0c216b32b94aa6eba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[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 5.61s
[INFO] running `Command { std: "docker" "inspect" "468b45d8d6fbace06a9b1ede8e287251e8d3904b01adee0c216b32b94aa6eba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468b45d8d6fbace06a9b1ede8e287251e8d3904b01adee0c216b32b94aa6eba7", kill_on_drop: false }`
[INFO] [stdout] 468b45d8d6fbace06a9b1ede8e287251e8d3904b01adee0c216b32b94aa6eba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 996eddf0b3c74b592374edd11dd4d8a682d67c862f11c847c782ea0f95e16aea
[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" "996eddf0b3c74b592374edd11dd4d8a682d67c862f11c847c782ea0f95e16aea", kill_on_drop: false }`
[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 3.10s
[INFO] running `Command { std: "docker" "inspect" "996eddf0b3c74b592374edd11dd4d8a682d67c862f11c847c782ea0f95e16aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996eddf0b3c74b592374edd11dd4d8a682d67c862f11c847c782ea0f95e16aea", kill_on_drop: false }`
[INFO] [stdout] 996eddf0b3c74b592374edd11dd4d8a682d67c862f11c847c782ea0f95e16aea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", 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] 75608800853c1f0999053ba61e51a516495fcba59f476ef194b1d2b466dffba0
[INFO] running `Command { std: "docker" "start" "-a" "75608800853c1f0999053ba61e51a516495fcba59f476ef194b1d2b466dffba0", kill_on_drop: false }`
[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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/symbolic_polynomials-5caf67cc7fef5336
[INFO] [stdout] 
[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] [stderr]      Running /opt/rustwide/target/debug/deps/functions-d3bab4920b6cc1ec
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test ceil_test ... ok
[INFO] [stdout] test min_test ... ok
[INFO] [stdout] test max_test ... ok
[INFO] [stdout] test deduce_values_test_floor_min ... ok
[INFO] [stdout] test deduce_values_test_fails ... ok
[INFO] [stdout] test deduce_values_test_all ... ok
[INFO] [stdout] test deduce_values_test3 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monomial-60b66ae88f6623ae
[INFO] [stdout] test floor_test ... ok
[INFO] [stdout] test deduce_values_test2 ... ok
[INFO] [stdout] test deduce_values_test1 ... ok
[INFO] [stdout] test deduce_values_test_ceil_max ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test add_test ... ok
[INFO] [stdout] test constructor ... ok
[INFO] [stdout] test div_test ... ok
[INFO] [stdout] test partial_eq_test ... ok
[INFO] [stdout] test eval_test ... ok
[INFO] [stdout] test up_to_coefficient_test ... ok
[INFO] [stdout] test mul_test ... ok
[INFO] [stdout] test sub_test ... ok
[INFO] [stdout] test ord_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/polynomial-d3977f913aca4405
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test mul_test ... ok
[INFO] [stdout] test add_test ... ok
[INFO] [stdout] test constructor ... ok
[INFO] [stdout] test partial_eq_test ... ok
[INFO] [stdout] test sub_test ... ok
[INFO] [stdout] test div_test ... ok
[INFO] [stdout] test eval_test ... ok
[INFO] [stdout] test ord_test ... 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 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75608800853c1f0999053ba61e51a516495fcba59f476ef194b1d2b466dffba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75608800853c1f0999053ba61e51a516495fcba59f476ef194b1d2b466dffba0", kill_on_drop: false }`
[INFO] [stdout] 75608800853c1f0999053ba61e51a516495fcba59f476ef194b1d2b466dffba0