[INFO] updating cached repository https://github.com/DarrenRJ/Euler [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] 2669d3f7afa22fcb93de70fcc0a8d4fb10a4f483 [INFO] testing DarrenRJ/Euler against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarrenRJ%2FEuler" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DarrenRJ/Euler 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/DarrenRJ/Euler [INFO] finished tweaking git repo https://github.com/DarrenRJ/Euler [INFO] tweaked toml for git repo https://github.com/DarrenRJ/Euler written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/DarrenRJ/Euler 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0be822d974b0ba8d7b2d9cafd432d05c95466bed65b19e20b380398be498ad22 [INFO] running `"docker" "start" "-a" "0be822d974b0ba8d7b2d9cafd432d05c95466bed65b19e20b380398be498ad22"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-traits v0.1.40 [INFO] [stderr] Compiling libc v0.2.33 [INFO] [stderr] Compiling hamming v0.1.3 [INFO] [stderr] Compiling primal-estimate v0.2.1 [INFO] [stderr] Compiling primal-bit v0.2.4 [INFO] [stderr] Compiling primal-sieve v0.2.7 [INFO] [stderr] Compiling rand v0.3.17 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling num-complex v0.1.40 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling num-bigint v0.1.40 [INFO] [stderr] Compiling num-rational v0.1.39 [INFO] [stderr] Compiling num v0.1.40 [INFO] [stderr] Compiling primal-check v0.2.2 [INFO] [stderr] Compiling primal v0.2.3 [INFO] [stderr] Compiling euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solutions.rs:2117:25 [INFO] [stderr] | [INFO] [stderr] 2117 | let mut candidate : usize = generate_candidate( i, last_digit[k], pattern, replacment ); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solutions.rs:2354:13 [INFO] [stderr] | [INFO] [stderr] 2354 | let mut a = 100-i; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solutions.rs:2357:17 [INFO] [stderr] | [INFO] [stderr] 2357 | let mut b = 100-j; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.44s [INFO] running `"docker" "inspect" "0be822d974b0ba8d7b2d9cafd432d05c95466bed65b19e20b380398be498ad22"` [INFO] running `"docker" "rm" "-f" "0be822d974b0ba8d7b2d9cafd432d05c95466bed65b19e20b380398be498ad22"` [INFO] [stdout] 0be822d974b0ba8d7b2d9cafd432d05c95466bed65b19e20b380398be498ad22 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6cae5080279aad11896d2ef6978ff27b227bb3346de53dd8278193e9a8313305 [INFO] running `"docker" "start" "-a" "6cae5080279aad11896d2ef6978ff27b227bb3346de53dd8278193e9a8313305"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solutions.rs:2117:25 [INFO] [stderr] | [INFO] [stderr] 2117 | let mut candidate : usize = generate_candidate( i, last_digit[k], pattern, replacment ); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solutions.rs:2354:13 [INFO] [stderr] | [INFO] [stderr] 2354 | let mut a = 100-i; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solutions.rs:2357:17 [INFO] [stderr] | [INFO] [stderr] 2357 | let mut b = 100-j; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_factors` [INFO] [stderr] --> src/factors.rs:205:8 [INFO] [stderr] | [INFO] [stderr] 205 | fn test_factors() [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_divisor_count` [INFO] [stderr] --> src/factors.rs:215:8 [INFO] [stderr] | [INFO] [stderr] 215 | fn test_divisor_count() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_proper_divisors` [INFO] [stderr] --> src/factors.rs:226:8 [INFO] [stderr] | [INFO] [stderr] 226 | fn test_proper_divisors() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_sum_of_proper_divisors` [INFO] [stderr] --> src/factors.rs:238:8 [INFO] [stderr] | [INFO] [stderr] 238 | fn test_sum_of_proper_divisors() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `"docker" "inspect" "6cae5080279aad11896d2ef6978ff27b227bb3346de53dd8278193e9a8313305"` [INFO] running `"docker" "rm" "-f" "6cae5080279aad11896d2ef6978ff27b227bb3346de53dd8278193e9a8313305"` [INFO] [stdout] 6cae5080279aad11896d2ef6978ff27b227bb3346de53dd8278193e9a8313305 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8e6abe9295ddde0ed5bdabce894f0b65413cd9a361c6048a61b32df46fb780d0 [INFO] running `"docker" "start" "-a" "8e6abe9295ddde0ed5bdabce894f0b65413cd9a361c6048a61b32df46fb780d0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solutions.rs:2117:25 [INFO] [stderr] | [INFO] [stderr] 2117 | let mut candidate : usize = generate_candidate( i, last_digit[k], pattern, replacment ); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solutions.rs:2354:13 [INFO] [stderr] | [INFO] [stderr] 2354 | let mut a = 100-i; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solutions.rs:2357:17 [INFO] [stderr] | [INFO] [stderr] 2357 | let mut b = 100-j; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_factors` [INFO] [stderr] --> src/factors.rs:205:8 [INFO] [stderr] | [INFO] [stderr] 205 | fn test_factors() [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_divisor_count` [INFO] [stderr] --> src/factors.rs:215:8 [INFO] [stderr] | [INFO] [stderr] 215 | fn test_divisor_count() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_proper_divisors` [INFO] [stderr] --> src/factors.rs:226:8 [INFO] [stderr] | [INFO] [stderr] 226 | fn test_proper_divisors() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_sum_of_proper_divisors` [INFO] [stderr] --> src/factors.rs:238:8 [INFO] [stderr] | [INFO] [stderr] 238 | fn test_sum_of_proper_divisors() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/euler-26b0eabcff0d94f2 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test choose::test::test_choose ... ok [INFO] [stdout] test factors::test::test_prime_factors ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "8e6abe9295ddde0ed5bdabce894f0b65413cd9a361c6048a61b32df46fb780d0"` [INFO] running `"docker" "rm" "-f" "8e6abe9295ddde0ed5bdabce894f0b65413cd9a361c6048a61b32df46fb780d0"` [INFO] [stdout] 8e6abe9295ddde0ed5bdabce894f0b65413cd9a361c6048a61b32df46fb780d0