[INFO] crate quadratic 0.3.1 is already in cache
[INFO] testing quadratic-0.3.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate quadratic 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate quadratic 0.3.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 893975b3bfd3fea68e0a87a15337885f73f13d5a2143df6a879dcd12635d2350
[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" "893975b3bfd3fea68e0a87a15337885f73f13d5a2143df6a879dcd12635d2350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "893975b3bfd3fea68e0a87a15337885f73f13d5a2143df6a879dcd12635d2350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "893975b3bfd3fea68e0a87a15337885f73f13d5a2143df6a879dcd12635d2350", kill_on_drop: false }`
[INFO] [stdout] 893975b3bfd3fea68e0a87a15337885f73f13d5a2143df6a879dcd12635d2350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2af0383b73279a0b50159159fbf364a6d5e60978a35726b17335e2195217579
[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" "d2af0383b73279a0b50159159fbf364a6d5e60978a35726b17335e2195217579", 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-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[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]    |                          ^^^^ 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 9.98s
[INFO] running `Command { std: "docker" "inspect" "d2af0383b73279a0b50159159fbf364a6d5e60978a35726b17335e2195217579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2af0383b73279a0b50159159fbf364a6d5e60978a35726b17335e2195217579", kill_on_drop: false }`
[INFO] [stdout] d2af0383b73279a0b50159159fbf364a6d5e60978a35726b17335e2195217579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4eccecccc843d1bd681c2496aeae05695c0eeb1b66ced71bd36d208788a368f
[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" "c4eccecccc843d1bd681c2496aeae05695c0eeb1b66ced71bd36d208788a368f", 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 1.17s
[INFO] running `Command { std: "docker" "inspect" "c4eccecccc843d1bd681c2496aeae05695c0eeb1b66ced71bd36d208788a368f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4eccecccc843d1bd681c2496aeae05695c0eeb1b66ced71bd36d208788a368f", kill_on_drop: false }`
[INFO] [stdout] c4eccecccc843d1bd681c2496aeae05695c0eeb1b66ced71bd36d208788a368f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81a00424f851ab21b9de3b36130880a8e4e5c9c97cb8f312a39490960775d0ef
[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" "81a00424f851ab21b9de3b36130880a8e4e5c9c97cb8f312a39490960775d0ef", kill_on_drop: false }`
[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 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quadratic-6b20edcd7e9350d6
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::jacobi_simple ... ok
[INFO] [stdout] test tests::negative_moduli_fails ... ok
[INFO] [stderr]    Doc-tests quadratic
[INFO] [stdout] test tests::two_over_p ... ok
[INFO] [stdout] test tests::even_moduli_fails ... ok
[INFO] [stdout] test tests::periodicity ... ok
[INFO] [stdout] test tests::three_over_p ... ok
[INFO] [stdout] test tests::minus_one_over_p ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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]    |                          ^^^^ 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81a00424f851ab21b9de3b36130880a8e4e5c9c97cb8f312a39490960775d0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a00424f851ab21b9de3b36130880a8e4e5c9c97cb8f312a39490960775d0ef", kill_on_drop: false }`
[INFO] [stdout] 81a00424f851ab21b9de3b36130880a8e4e5c9c97cb8f312a39490960775d0ef