[INFO] fetching crate suan-core 0.0.3...
[INFO] testing suan-core-0.0.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate suan-core 0.0.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate suan-core 0.0.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate suan-core 0.0.3
[INFO] finished tweaking crates.io crate suan-core 0.0.3
[INFO] tweaked toml for crates.io crate suan-core 0.0.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] b223c75eec6c9518fe6bd4eab57fea1f8ce9953ad2c2891e281de2465dff11a3
[INFO] running `Command { std: "docker" "start" "-a" "b223c75eec6c9518fe6bd4eab57fea1f8ce9953ad2c2891e281de2465dff11a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b223c75eec6c9518fe6bd4eab57fea1f8ce9953ad2c2891e281de2465dff11a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b223c75eec6c9518fe6bd4eab57fea1f8ce9953ad2c2891e281de2465dff11a3", kill_on_drop: false }`
[INFO] [stdout] b223c75eec6c9518fe6bd4eab57fea1f8ce9953ad2c2891e281de2465dff11a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 85b6cef8bd8bb694f1571d698f046e83d57a9e1365cfc457e450db3112554cd0
[INFO] running `Command { std: "docker" "start" "-a" "85b6cef8bd8bb694f1571d698f046e83d57a9e1365cfc457e450db3112554cd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num-modular v0.1.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling lru v0.7.5
[INFO] [stderr]    Compiling num-modular v0.0.2
[INFO] [stderr]    Compiling num-prime v0.3.0-alpha
[INFO] [stderr]    Compiling num-irrational v0.2.0
[INFO] [stderr]    Compiling suan-core v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num_irrational::Quadratic64`
[INFO] [stdout]  --> src/property.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num_irrational::Quadratic64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MontgomeryBigint`
[INFO] [stdout]  --> src/subject.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_modular::{MontgomeryBigint, MontgomeryInt};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/cont_frac.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn cfrac(s: Subject) {
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:211:22
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn int(self, rounding: ()) {} // TODO: default rounding mode is nearest.
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:212:23
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub fn real(self, precision: (), rounding: ()) {} // TODO: default precision from integer is f64
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:212:38
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub fn real(self, precision: (), rounding: ()) {} // TODO: default precision from integer is f64
[INFO] [stdout]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:213:27
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn rational(self, precision: (), rounding: ()) {} // TODO: precision of rational is the scale of the denominator
[INFO] [stdout]     |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:213:42
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn rational(self, precision: (), rounding: ()) {} // TODO: precision of rational is the scale of the denominator
[INFO] [stdout]     |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:214:26
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn complex(self, precision: (), rounding: ()) {} // TODO: panics when convert from complex to normal number
[INFO] [stdout]     |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:214:41
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn complex(self, precision: (), rounding: ()) {} // TODO: panics when convert from complex to normal number
[INFO] [stdout]     |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modulus`
[INFO] [stdout]    --> src/property.rs:215:25
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn intmod(self, modulus: (), rounding: ()) {}
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modulus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:215:38
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn intmod(self, modulus: (), rounding: ()) {}
[INFO] [stdout]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:216:23
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn quad(self, precision: (), rounding: ()) {}
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:216:38
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn quad(self, precision: (), rounding: ()) {}
[INFO] [stdout]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/property.rs:217:26
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn quadint(self, base: (), rounding: ()) {}
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:217:36
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn quadint(self, base: (), rounding: ()) {}
[INFO] [stdout]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cfrac`
[INFO] [stdout]  --> src/cont_frac.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn cfrac(s: Subject) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `abs`
[INFO] [stdout]    --> src/property.rs:229:4
[INFO] [stdout]     |
[INFO] [stdout] 229 | fn abs() {}
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `conj`
[INFO] [stdout]    --> src/property.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn conj() {}
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arg`
[INFO] [stdout]    --> src/property.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn arg() {}
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.36s
[INFO] running `Command { std: "docker" "inspect" "85b6cef8bd8bb694f1571d698f046e83d57a9e1365cfc457e450db3112554cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b6cef8bd8bb694f1571d698f046e83d57a9e1365cfc457e450db3112554cd0", kill_on_drop: false }`
[INFO] [stdout] 85b6cef8bd8bb694f1571d698f046e83d57a9e1365cfc457e450db3112554cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] a9749f452aac28679aebb5732722ca3a3b006a83464e85be3f45b2e8c98a1102
[INFO] running `Command { std: "docker" "start" "-a" "a9749f452aac28679aebb5732722ca3a3b006a83464e85be3f45b2e8c98a1102", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `num_irrational::Quadratic64`
[INFO] [stdout]  --> src/property.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num_irrational::Quadratic64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MontgomeryBigint`
[INFO] [stdout]  --> src/subject.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_modular::{MontgomeryBigint, MontgomeryInt};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/cont_frac.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn cfrac(s: Subject) {
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:211:22
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn int(self, rounding: ()) {} // TODO: default rounding mode is nearest.
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:212:23
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub fn real(self, precision: (), rounding: ()) {} // TODO: default precision from integer is f64
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:212:38
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub fn real(self, precision: (), rounding: ()) {} // TODO: default precision from integer is f64
[INFO] [stdout]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:213:27
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn rational(self, precision: (), rounding: ()) {} // TODO: precision of rational is the scale of the denominator
[INFO] [stdout]     |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:213:42
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn rational(self, precision: (), rounding: ()) {} // TODO: precision of rational is the scale of the denominator
[INFO] [stdout]     |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:214:26
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn complex(self, precision: (), rounding: ()) {} // TODO: panics when convert from complex to normal number
[INFO] [stdout]     |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:214:41
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn complex(self, precision: (), rounding: ()) {} // TODO: panics when convert from complex to normal number
[INFO] [stdout]     |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modulus`
[INFO] [stdout]    --> src/property.rs:215:25
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn intmod(self, modulus: (), rounding: ()) {}
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modulus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:215:38
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn intmod(self, modulus: (), rounding: ()) {}
[INFO] [stdout]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:216:23
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn quad(self, precision: (), rounding: ()) {}
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:216:38
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn quad(self, precision: (), rounding: ()) {}
[INFO] [stdout]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling suan-core v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/property.rs:217:26
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn quadint(self, base: (), rounding: ()) {}
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:217:36
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn quadint(self, base: (), rounding: ()) {}
[INFO] [stdout]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cfrac`
[INFO] [stdout]  --> src/cont_frac.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn cfrac(s: Subject) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `abs`
[INFO] [stdout]    --> src/property.rs:229:4
[INFO] [stdout]     |
[INFO] [stdout] 229 | fn abs() {}
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `conj`
[INFO] [stdout]    --> src/property.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn conj() {}
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arg`
[INFO] [stdout]    --> src/property.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn arg() {}
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_irrational::Quadratic64`
[INFO] [stdout]  --> src/property.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num_irrational::Quadratic64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MontgomeryBigint`
[INFO] [stdout]  --> src/subject.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_modular::{MontgomeryBigint, MontgomeryInt};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/cont_frac.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn cfrac(s: Subject) {
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:211:22
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn int(self, rounding: ()) {} // TODO: default rounding mode is nearest.
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:212:23
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub fn real(self, precision: (), rounding: ()) {} // TODO: default precision from integer is f64
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:212:38
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub fn real(self, precision: (), rounding: ()) {} // TODO: default precision from integer is f64
[INFO] [stdout]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:213:27
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn rational(self, precision: (), rounding: ()) {} // TODO: precision of rational is the scale of the denominator
[INFO] [stdout]     |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:213:42
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn rational(self, precision: (), rounding: ()) {} // TODO: precision of rational is the scale of the denominator
[INFO] [stdout]     |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:214:26
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn complex(self, precision: (), rounding: ()) {} // TODO: panics when convert from complex to normal number
[INFO] [stdout]     |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:214:41
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn complex(self, precision: (), rounding: ()) {} // TODO: panics when convert from complex to normal number
[INFO] [stdout]     |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modulus`
[INFO] [stdout]    --> src/property.rs:215:25
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn intmod(self, modulus: (), rounding: ()) {}
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modulus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:215:38
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn intmod(self, modulus: (), rounding: ()) {}
[INFO] [stdout]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precision`
[INFO] [stdout]    --> src/property.rs:216:23
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn quad(self, precision: (), rounding: ()) {}
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:216:38
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn quad(self, precision: (), rounding: ()) {}
[INFO] [stdout]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/property.rs:217:26
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn quadint(self, base: (), rounding: ()) {}
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounding`
[INFO] [stdout]    --> src/property.rs:217:36
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn quadint(self, base: (), rounding: ()) {}
[INFO] [stdout]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cfrac`
[INFO] [stdout]  --> src/cont_frac.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn cfrac(s: Subject) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `abs`
[INFO] [stdout]    --> src/property.rs:229:4
[INFO] [stdout]     |
[INFO] [stdout] 229 | fn abs() {}
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `conj`
[INFO] [stdout]    --> src/property.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn conj() {}
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arg`
[INFO] [stdout]    --> src/property.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn arg() {}
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/suan_core-c26ab8ade7f1c7cc)
[INFO] running `Command { std: "docker" "inspect" "a9749f452aac28679aebb5732722ca3a3b006a83464e85be3f45b2e8c98a1102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9749f452aac28679aebb5732722ca3a3b006a83464e85be3f45b2e8c98a1102", kill_on_drop: false }`
[INFO] [stdout] a9749f452aac28679aebb5732722ca3a3b006a83464e85be3f45b2e8c98a1102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a354df7071d84b3b90031191a00de2ad9259643e285f1766a09b37d5248781e
[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" "4a354df7071d84b3b90031191a00de2ad9259643e285f1766a09b37d5248781e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `num_irrational::Quadratic64`
[INFO] [stderr]  --> src/property.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num_irrational::Quadratic64;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MontgomeryBigint`
[INFO] [stderr]  --> src/subject.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | use num_modular::{MontgomeryBigint, MontgomeryInt};
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/cont_frac.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn cfrac(s: Subject) {
[INFO] [stderr]   |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rounding`
[INFO] [stderr]    --> src/property.rs:211:22
[INFO] [stderr]     |
[INFO] [stderr] 211 |     pub fn int(self, rounding: ()) {} // TODO: default rounding mode is nearest.
[INFO] [stderr]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `precision`
[INFO] [stderr]    --> src/property.rs:212:23
[INFO] [stderr]     |
[INFO] [stderr] 212 |     pub fn real(self, precision: (), rounding: ()) {} // TODO: default precision from integer is f64
[INFO] [stderr]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rounding`
[INFO] [stderr]    --> src/property.rs:212:38
[INFO] [stderr]     |
[INFO] [stderr] 212 |     pub fn real(self, precision: (), rounding: ()) {} // TODO: default precision from integer is f64
[INFO] [stderr]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `precision`
[INFO] [stderr]    --> src/property.rs:213:27
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn rational(self, precision: (), rounding: ()) {} // TODO: precision of rational is the scale of the denominator
[INFO] [stderr]     |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rounding`
[INFO] [stderr]    --> src/property.rs:213:42
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn rational(self, precision: (), rounding: ()) {} // TODO: precision of rational is the scale of the denominator
[INFO] [stderr]     |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `precision`
[INFO] [stderr]    --> src/property.rs:214:26
[INFO] [stderr]     |
[INFO] [stderr] 214 |     pub fn complex(self, precision: (), rounding: ()) {} // TODO: panics when convert from complex to normal number
[INFO] [stderr]     |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rounding`
[INFO] [stderr]    --> src/property.rs:214:41
[INFO] [stderr]     |
[INFO] [stderr] 214 |     pub fn complex(self, precision: (), rounding: ()) {} // TODO: panics when convert from complex to normal number
[INFO] [stderr]     |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `modulus`
[INFO] [stderr]    --> src/property.rs:215:25
[INFO] [stderr]     |
[INFO] [stderr] 215 |     pub fn intmod(self, modulus: (), rounding: ()) {}
[INFO] [stderr]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modulus`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rounding`
[INFO] [stderr]    --> src/property.rs:215:38
[INFO] [stderr]     |
[INFO] [stderr] 215 |     pub fn intmod(self, modulus: (), rounding: ()) {}
[INFO] [stderr]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `precision`
[INFO] [stderr]    --> src/property.rs:216:23
[INFO] [stderr]     |
[INFO] [stderr] 216 |     pub fn quad(self, precision: (), rounding: ()) {}
[INFO] [stderr]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precision`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rounding`
[INFO] [stderr]    --> src/property.rs:216:38
[INFO] [stderr]     |
[INFO] [stderr] 216 |     pub fn quad(self, precision: (), rounding: ()) {}
[INFO] [stderr]     |                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base`
[INFO] [stderr]    --> src/property.rs:217:26
[INFO] [stderr]     |
[INFO] [stderr] 217 |     pub fn quadint(self, base: (), rounding: ()) {}
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rounding`
[INFO] [stderr]    --> src/property.rs:217:36
[INFO] [stderr]     |
[INFO] [stderr] 217 |     pub fn quadint(self, base: (), rounding: ()) {}
[INFO] [stderr]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounding`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cfrac`
[INFO] [stderr]  --> src/cont_frac.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn cfrac(s: Subject) {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `abs`
[INFO] [stderr]    --> src/property.rs:229:4
[INFO] [stderr]     |
[INFO] [stderr] 229 | fn abs() {}
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `conj`
[INFO] [stderr]    --> src/property.rs:230:4
[INFO] [stderr]     |
[INFO] [stderr] 230 | fn conj() {}
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `arg`
[INFO] [stderr]    --> src/property.rs:231:4
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn arg() {}
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `suan-core` (lib) generated 20 warnings
[INFO] [stderr] warning: `suan-core` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/suan_core-c26ab8ade7f1c7cc)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests suan-core
[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 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] running `Command { std: "docker" "inspect" "4a354df7071d84b3b90031191a00de2ad9259643e285f1766a09b37d5248781e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a354df7071d84b3b90031191a00de2ad9259643e285f1766a09b37d5248781e", kill_on_drop: false }`
[INFO] [stdout] 4a354df7071d84b3b90031191a00de2ad9259643e285f1766a09b37d5248781e