[INFO] fetching crate quadratic 0.3.1...
[INFO] testing quadratic-0.3.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate quadratic 0.3.1 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate quadratic 0.3.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quadratic 0.3.1
[INFO] finished tweaking crates.io crate quadratic 0.3.1
[INFO] tweaked toml for crates.io crate quadratic 0.3.1 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e667d9427861c5c0b973408a9893863e9a521958490b5ab394d07488a8811fb
[INFO] running `Command { std: "docker" "start" "-a" "8e667d9427861c5c0b973408a9893863e9a521958490b5ab394d07488a8811fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e667d9427861c5c0b973408a9893863e9a521958490b5ab394d07488a8811fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e667d9427861c5c0b973408a9893863e9a521958490b5ab394d07488a8811fb", kill_on_drop: false }`
[INFO] [stdout] 8e667d9427861c5c0b973408a9893863e9a521958490b5ab394d07488a8811fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66a34abe1b7e4471d98800437aa47800ee34a4763f8386bfa7fc7b7f077b875d
[INFO] running `Command { std: "docker" "start" "-a" "66a34abe1b7e4471d98800437aa47800ee34a4763f8386bfa7fc7b7f077b875d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[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 rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling quadratic v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn two_over(n: usize) -> (i8) {
[INFO] [stdout]    |                          ^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn reciprocity(num: usize, den: usize) -> (i8) {
[INFO] [stdout]    |                                           ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "66a34abe1b7e4471d98800437aa47800ee34a4763f8386bfa7fc7b7f077b875d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a34abe1b7e4471d98800437aa47800ee34a4763f8386bfa7fc7b7f077b875d", kill_on_drop: false }`
[INFO] [stdout] 66a34abe1b7e4471d98800437aa47800ee34a4763f8386bfa7fc7b7f077b875d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 690b028edbfa8759914f03ba7067d7e015a7d041d88650b8faca0cbd722e04a8
[INFO] running `Command { std: "docker" "start" "-a" "690b028edbfa8759914f03ba7067d7e015a7d041d88650b8faca0cbd722e04a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling quadratic v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn two_over(n: usize) -> (i8) {
[INFO] [stdout]    |                          ^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn reciprocity(num: usize, den: usize) -> (i8) {
[INFO] [stdout]    |                                           ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn two_over(n: usize) -> (i8) {
[INFO] [stdout]    |                          ^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn reciprocity(num: usize, den: usize) -> (i8) {
[INFO] [stdout]    |                                           ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "690b028edbfa8759914f03ba7067d7e015a7d041d88650b8faca0cbd722e04a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690b028edbfa8759914f03ba7067d7e015a7d041d88650b8faca0cbd722e04a8", kill_on_drop: false }`
[INFO] [stdout] 690b028edbfa8759914f03ba7067d7e015a7d041d88650b8faca0cbd722e04a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 961b583e91c4404258423bb98b0c5214d50cd729fcd3faabd7727fa33ad382bf
[INFO] running `Command { std: "docker" "start" "-a" "961b583e91c4404258423bb98b0c5214d50cd729fcd3faabd7727fa33ad382bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn two_over(n: usize) -> (i8) {
[INFO] [stderr]    |                          ^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:23:43
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn reciprocity(num: usize, den: usize) -> (i8) {
[INFO] [stderr]    |                                           ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn two_over(n: usize) -> (i8) {
[INFO] [stderr]    |                          ^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:23:43
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn reciprocity(num: usize, den: usize) -> (i8) {
[INFO] [stderr]    |                                           ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quadratic-f2c7f7a0c087e56e)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::even_moduli_fails ... ok
[INFO] [stdout] test tests::minus_one_over_p ... ok
[INFO] [stdout] test tests::periodicity ... ok
[INFO] [stdout] test tests::three_over_p ... ok
[INFO] [stdout] test tests::two_over_p ... ok
[INFO] [stdout] test tests::jacobi_simple ... ok
[INFO] [stdout] test tests::negative_moduli_fails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests quadratic
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn two_over(n: usize) -> (i8) {
[INFO] [stderr]    |                          ^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:23:43
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn reciprocity(num: usize, den: usize) -> (i8) {
[INFO] [stderr]    |                                           ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] running 1 test
[INFO] [stderr] 
[INFO] [stdout] test src/lib.rs - jacobi (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "961b583e91c4404258423bb98b0c5214d50cd729fcd3faabd7727fa33ad382bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961b583e91c4404258423bb98b0c5214d50cd729fcd3faabd7727fa33ad382bf", kill_on_drop: false }`
[INFO] [stdout] 961b583e91c4404258423bb98b0c5214d50cd729fcd3faabd7727fa33ad382bf
