[INFO] fetching crate quadratic 0.3.1...
[INFO] testing quadratic-0.3.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate quadratic 0.3.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate quadratic 0.3.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", 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] 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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea752d76c92912b87594ffbdaf3f1d91872493b11feced6294cd5f613630ff51
[INFO] running `Command { std: "docker" "start" "-a" "ea752d76c92912b87594ffbdaf3f1d91872493b11feced6294cd5f613630ff51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea752d76c92912b87594ffbdaf3f1d91872493b11feced6294cd5f613630ff51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea752d76c92912b87594ffbdaf3f1d91872493b11feced6294cd5f613630ff51", kill_on_drop: false }`
[INFO] [stdout] ea752d76c92912b87594ffbdaf3f1d91872493b11feced6294cd5f613630ff51
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03cdac7743bc6e18163cfad1f07412444b3808a67879d0e9437a69e226908132
[INFO] running `Command { std: "docker" "start" "-a" "03cdac7743bc6e18163cfad1f07412444b3808a67879d0e9437a69e226908132", kill_on_drop: false }`
[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-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[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]    |                          ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 - fn two_over(n: usize) -> (i8) {
[INFO] [stdout] 17 + fn two_over(n: usize) -> i8 {
[INFO] [stdout]    | 
[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]    |                                           ^  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn reciprocity(num: usize, den: usize) -> (i8) {
[INFO] [stdout] 23 + fn reciprocity(num: usize, den: usize) -> i8 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "03cdac7743bc6e18163cfad1f07412444b3808a67879d0e9437a69e226908132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03cdac7743bc6e18163cfad1f07412444b3808a67879d0e9437a69e226908132", kill_on_drop: false }`
[INFO] [stdout] 03cdac7743bc6e18163cfad1f07412444b3808a67879d0e9437a69e226908132
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d30e7e616d1fec1236899788583ddbaaf7676d7ed53911b672ef3ef7388dec9
[INFO] running `Command { std: "docker" "start" "-a" "3d30e7e616d1fec1236899788583ddbaaf7676d7ed53911b672ef3ef7388dec9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    |                          ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 - fn two_over(n: usize) -> (i8) {
[INFO] [stdout] 17 + fn two_over(n: usize) -> i8 {
[INFO] [stdout]    | 
[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]    |                                           ^  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn reciprocity(num: usize, den: usize) -> (i8) {
[INFO] [stdout] 23 + fn reciprocity(num: usize, den: usize) -> i8 {
[INFO] [stdout]    | 
[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]    |                          ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 - fn two_over(n: usize) -> (i8) {
[INFO] [stdout] 17 + fn two_over(n: usize) -> i8 {
[INFO] [stdout]    | 
[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]    |                                           ^  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn reciprocity(num: usize, den: usize) -> (i8) {
[INFO] [stdout] 23 + fn reciprocity(num: usize, den: usize) -> i8 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "3d30e7e616d1fec1236899788583ddbaaf7676d7ed53911b672ef3ef7388dec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d30e7e616d1fec1236899788583ddbaaf7676d7ed53911b672ef3ef7388dec9", kill_on_drop: false }`
[INFO] [stdout] 3d30e7e616d1fec1236899788583ddbaaf7676d7ed53911b672ef3ef7388dec9
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bc64933a0787e81d5972050f2b876853070b1861d2bdc7e676fc21e040bc58a
[INFO] running `Command { std: "docker" "start" "-a" "1bc64933a0787e81d5972050f2b876853070b1861d2bdc7e676fc21e040bc58a", 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]    |                          ^  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 17 - fn two_over(n: usize) -> (i8) {
[INFO] [stderr] 17 + fn two_over(n: usize) -> i8 {
[INFO] [stderr]    | 
[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]    |                                           ^  ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 - fn reciprocity(num: usize, den: usize) -> (i8) {
[INFO] [stderr] 23 + fn reciprocity(num: usize, den: usize) -> i8 {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `quadratic` (lib) generated 2 warnings
[INFO] [stderr] warning: `quadratic` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quadratic-7feb5f03185d4f40)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]    Doc-tests quadratic
[INFO] [stdout] test tests::even_moduli_fails ... ok
[INFO] [stdout] test tests::jacobi_simple ... ok
[INFO] [stdout] test tests::minus_one_over_p ... ok
[INFO] [stdout] test tests::negative_moduli_fails ... 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] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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]    |                          ^  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 17 - fn two_over(n: usize) -> (i8) {
[INFO] [stderr] 17 + fn two_over(n: usize) -> i8 {
[INFO] [stderr]    | 
[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]    |                                           ^  ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 - fn reciprocity(num: usize, den: usize) -> (i8) {
[INFO] [stderr] 23 + fn reciprocity(num: usize, den: usize) -> i8 {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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 3.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1bc64933a0787e81d5972050f2b876853070b1861d2bdc7e676fc21e040bc58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc64933a0787e81d5972050f2b876853070b1861d2bdc7e676fc21e040bc58a", kill_on_drop: false }`
[INFO] [stdout] 1bc64933a0787e81d5972050f2b876853070b1861d2bdc7e676fc21e040bc58a