[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] testing tildedave/rust-number-theory against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftildedave%2Frust-number-theory" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tildedave/rust-number-theory on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-5/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" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8847035523a59f7d42477d5a6ca97972fee9fccc814ac1ae159156db6b36a509
[INFO] running `"docker" "start" "-a" "8847035523a59f7d42477d5a6ca97972fee9fccc814ac1ae159156db6b36a509"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rust-number-theory v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `leftmost_bit`
[INFO] [stderr]   --> chap1.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn leftmost_bit<T>(g: T) -> T
[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:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn prime_factor(n: i32) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mod_exp`
[INFO] [stderr]   --> chap1.rs:47:4
[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:73:4
[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:101:4
[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:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn gcd<T>(a: T, b: T) -> T
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gcd_binary`
[INFO] [stderr]    --> chap1.rs:119:4
[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:170:4
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn gcd_extended<T>(a: T, b: T) -> (T, T, T)
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `chinese_remainder`
[INFO] [stderr]    --> chap1.rs:201:4
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn chinese_remainder<T>(m_list: Vec<T>, xi_list: Vec<T>) -> T
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `isqrt`
[INFO] [stderr]    --> chap1.rs:229:4
[INFO] [stderr]     |
[INFO] [stderr] 229 | fn isqrt(n: i32) -> i32 {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant 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:244:4
[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: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.86s
[INFO] running `"docker" "inspect" "8847035523a59f7d42477d5a6ca97972fee9fccc814ac1ae159156db6b36a509"`
[INFO] running `"docker" "rm" "-f" "8847035523a59f7d42477d5a6ca97972fee9fccc814ac1ae159156db6b36a509"`
[INFO] [stdout] 8847035523a59f7d42477d5a6ca97972fee9fccc814ac1ae159156db6b36a509
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2ef29ed7dc3039f1c53202dd63bb3602113704017bba7aa27f332af08b765dc6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2ef29ed7dc3039f1c53202dd63bb3602113704017bba7aa27f332af08b765dc6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-number-theory v0.1.0 (/opt/rustwide/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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "2ef29ed7dc3039f1c53202dd63bb3602113704017bba7aa27f332af08b765dc6"`
[INFO] running `"docker" "rm" "-f" "2ef29ed7dc3039f1c53202dd63bb3602113704017bba7aa27f332af08b765dc6"`
[INFO] [stdout] 2ef29ed7dc3039f1c53202dd63bb3602113704017bba7aa27f332af08b765dc6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a84e2e3493e4277ad5688a075e2e4f50e4447eb0055caa35ad6b60ef5e27e7a
[INFO] running `"docker" "start" "-a" "2a84e2e3493e4277ad5688a075e2e4f50e4447eb0055caa35ad6b60ef5e27e7a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_number_theory-7c65d92f1af4487f
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test chap1::tests::test_chinese_remainder ... 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_gcd_extended ... ok
[INFO] [stdout] test chap1::tests::test_leftmost_bit ... ok
[INFO] [stdout] test chap1::tests::test_isqrt ... ok
[INFO] [stdout] test chap1::tests::test_kronecker_symbol ... 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" "2a84e2e3493e4277ad5688a075e2e4f50e4447eb0055caa35ad6b60ef5e27e7a"`
[INFO] running `"docker" "rm" "-f" "2a84e2e3493e4277ad5688a075e2e4f50e4447eb0055caa35ad6b60ef5e27e7a"`
[INFO] [stdout] 2a84e2e3493e4277ad5688a075e2e4f50e4447eb0055caa35ad6b60ef5e27e7a