[INFO] updating cached repository tildedave/rust-number-theory [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tildedave/rust-number-theory [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tildedave/rust-number-theory" "work/ex/beta-1.38-1/sources/1.37.0/gh/tildedave/rust-number-theory"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tildedave/rust-number-theory'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tildedave/rust-number-theory" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tildedave/rust-number-theory"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tildedave/rust-number-theory'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fa49d472620190cc3a76d8387a8566612293de0e [INFO] sha for GitHub repo tildedave/rust-number-theory: fa49d472620190cc3a76d8387a8566612293de0e [INFO] validating manifest of tildedave/rust-number-theory on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tildedave/rust-number-theory on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tildedave/rust-number-theory [INFO] finished frobbing tildedave/rust-number-theory [INFO] frobbed toml for tildedave/rust-number-theory written to work/ex/beta-1.38-1/sources/1.37.0/gh/tildedave/rust-number-theory/Cargo.toml [INFO] started frobbing tildedave/rust-number-theory [INFO] finished frobbing tildedave/rust-number-theory [INFO] frobbed toml for tildedave/rust-number-theory written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tildedave/rust-number-theory/Cargo.toml [INFO] crate tildedave/rust-number-theory already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tildedave/rust-number-theory against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tildedave/rust-number-theory:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] c69c4fe732fc6c013e5f4a6b47e839fb7eae83912d3bea8c1a2261cd74f15496 [INFO] running `"docker" "start" "-a" "c69c4fe732fc6c013e5f4a6b47e839fb7eae83912d3bea8c1a2261cd74f15496"` [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling rust-number-theory v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `leftmost_bit` [INFO] [stderr] --> chap1.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | / fn leftmost_bit(g: T) -> T [INFO] [stderr] 12 | | where T: Shr + PartialEq + Zero + One [INFO] [stderr] 13 | | { [INFO] [stderr] 14 | | let mut n = T::zero(); [INFO] [stderr] ... | [INFO] [stderr] 23 | | return n [INFO] [stderr] 24 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `prime_factor` [INFO] [stderr] --> chap1.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | fn prime_factor(n: i32) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mod_exp` [INFO] [stderr] --> chap1.rs:47:1 [INFO] [stderr] | [INFO] [stderr] 47 | fn mod_exp(g: i32, n: i32, p: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mod_exp2` [INFO] [stderr] --> chap1.rs:73:1 [INFO] [stderr] | [INFO] [stderr] 73 | fn mod_exp2(g: i32, n: i32, p: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mod_inverse` [INFO] [stderr] --> chap1.rs:101:1 [INFO] [stderr] | [INFO] [stderr] 101 | fn mod_inverse(m: i32, p: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gcd` [INFO] [stderr] --> chap1.rs:107:1 [INFO] [stderr] | [INFO] [stderr] 107 | / fn gcd(a: T, b: T) -> T [INFO] [stderr] 108 | | where T: Zero + Rem + Copy [INFO] [stderr] 109 | | { [INFO] [stderr] 110 | | if b.is_zero() { [INFO] [stderr] ... | [INFO] [stderr] 114 | | return gcd(b, a % b) [INFO] [stderr] 115 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gcd_binary` [INFO] [stderr] --> chap1.rs:119:1 [INFO] [stderr] | [INFO] [stderr] 119 | fn gcd_binary(a: i32, b: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gcd_extended` [INFO] [stderr] --> chap1.rs:170:1 [INFO] [stderr] | [INFO] [stderr] 170 | / fn gcd_extended(a: T, b: T) -> (T, T, T) [INFO] [stderr] 171 | | where T: Zero + One + Div + Rem + Mul + Sub + Copy [INFO] [stderr] 172 | | { [INFO] [stderr] 173 | | let mut u = T::one(); [INFO] [stderr] ... | [INFO] [stderr] 196 | | } [INFO] [stderr] 197 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `chinese_remainder` [INFO] [stderr] --> chap1.rs:201:1 [INFO] [stderr] | [INFO] [stderr] 201 | / fn chinese_remainder(m_list: Vec, xi_list: Vec) -> T [INFO] [stderr] 202 | | // TODO: can I alias this type expression somehow? [INFO] [stderr] 203 | | where T : Zero + One + Div + Rem + Mul + Sub + Copy { [INFO] [stderr] 204 | | assert!(m_list.len() == xi_list.len()); [INFO] [stderr] ... | [INFO] [stderr] 225 | | } [INFO] [stderr] 226 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `isqrt` [INFO] [stderr] --> chap1.rs:229:1 [INFO] [stderr] | [INFO] [stderr] 229 | fn isqrt(n: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `kroneker_table` [INFO] [stderr] --> chap1.rs:241:1 [INFO] [stderr] | [INFO] [stderr] 241 | const kroneker_table: [i32; 8] = [0, 1, 0 , -1, 0, -1, 0, 1]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `kroneker_symbol` [INFO] [stderr] --> chap1.rs:244:1 [INFO] [stderr] | [INFO] [stderr] 244 | fn kroneker_symbol(a: i32, b: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant `kroneker_table` should have an upper case name [INFO] [stderr] --> chap1.rs:241:7 [INFO] [stderr] | [INFO] [stderr] 241 | const kroneker_table: [i32; 8] = [0, 1, 0 , -1, 0, -1, 0, 1]; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `KRONEKER_TABLE` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.28s [INFO] running `"docker" "inspect" "c69c4fe732fc6c013e5f4a6b47e839fb7eae83912d3bea8c1a2261cd74f15496"` [INFO] running `"docker" "rm" "-f" "c69c4fe732fc6c013e5f4a6b47e839fb7eae83912d3bea8c1a2261cd74f15496"` [INFO] [stdout] c69c4fe732fc6c013e5f4a6b47e839fb7eae83912d3bea8c1a2261cd74f15496 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tildedave/rust-number-theory:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 072e7958c10f86e238f251c35ec7f0b76248c8b3297e5ff7711d38d8e18d67fb [INFO] running `"docker" "start" "-a" "072e7958c10f86e238f251c35ec7f0b76248c8b3297e5ff7711d38d8e18d67fb"` [INFO] [stderr] Compiling rust-number-theory v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: constant `kroneker_table` should have an upper case name [INFO] [stderr] --> chap1.rs:241:7 [INFO] [stderr] | [INFO] [stderr] 241 | const kroneker_table: [i32; 8] = [0, 1, 0 , -1, 0, -1, 0, 1]; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `KRONEKER_TABLE` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.61s [INFO] running `"docker" "inspect" "072e7958c10f86e238f251c35ec7f0b76248c8b3297e5ff7711d38d8e18d67fb"` [INFO] running `"docker" "rm" "-f" "072e7958c10f86e238f251c35ec7f0b76248c8b3297e5ff7711d38d8e18d67fb"` [INFO] [stdout] 072e7958c10f86e238f251c35ec7f0b76248c8b3297e5ff7711d38d8e18d67fb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tildedave/rust-number-theory:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 61fa48cadeb6c8c85685d1bb8a4942429308ee16358951566e5ead734d6ef97f [INFO] running `"docker" "start" "-a" "61fa48cadeb6c8c85685d1bb8a4942429308ee16358951566e5ead734d6ef97f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_number_theory-454b788960e4846c [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test chap1::tests::test_gcd_extended ... ok [INFO] [stdout] test chap1::tests::test_gcd_binary ... ok [INFO] [stdout] test chap1::tests::test_gcd_simple ... ok [INFO] [stdout] test chap1::tests::test_chinese_remainder ... ok [INFO] [stdout] test chap1::tests::test_kronecker_symbol ... ok [INFO] [stdout] test chap1::tests::test_isqrt ... ok [INFO] [stdout] test chap1::tests::test_leftmost_bit ... ok [INFO] [stdout] test chap1::tests::test_mod_exp2_powers_of_5_mod_7 ... ok [INFO] [stdout] test chap1::tests::test_mod_inverse_for_7 ... ok [INFO] [stdout] test chap1::tests::test_mod_exp_powers_of_5_mod_7 ... ok [INFO] [stdout] test chap1::tests::test_prime_factors ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "61fa48cadeb6c8c85685d1bb8a4942429308ee16358951566e5ead734d6ef97f"` [INFO] running `"docker" "rm" "-f" "61fa48cadeb6c8c85685d1bb8a4942429308ee16358951566e5ead734d6ef97f"` [INFO] [stdout] 61fa48cadeb6c8c85685d1bb8a4942429308ee16358951566e5ead734d6ef97f