[INFO] updating cached repository https://github.com/tildedave/rust-number-theory [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fa49d472620190cc3a76d8387a8566612293de0e [INFO] checking tildedave/rust-number-theory against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftildedave%2Frust-number-theory" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tildedave/rust-number-theory on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/tildedave/rust-number-theory [INFO] finished tweaking git repo https://github.com/tildedave/rust-number-theory [INFO] tweaked toml for git repo https://github.com/tildedave/rust-number-theory written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/tildedave/rust-number-theory already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 002cf9c408556c2b969f334cfa221c9bcb6e94aaecb22f4bd551e2bda2433c30 [INFO] running `"docker" "start" "-a" "002cf9c408556c2b969f334cfa221c9bcb6e94aaecb22f4bd551e2bda2433c30"` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking rust-number-theory v0.1.0 (/opt/rustwide/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] 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 12.09s [INFO] running `"docker" "inspect" "002cf9c408556c2b969f334cfa221c9bcb6e94aaecb22f4bd551e2bda2433c30"` [INFO] running `"docker" "rm" "-f" "002cf9c408556c2b969f334cfa221c9bcb6e94aaecb22f4bd551e2bda2433c30"` [INFO] [stdout] 002cf9c408556c2b969f334cfa221c9bcb6e94aaecb22f4bd551e2bda2433c30