[INFO] updating cached repository ijagberg/factorize [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ijagberg/factorize [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ijagberg/factorize" "work/ex/beta-1.37-6/sources/1.36.0/gh/ijagberg/factorize"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ijagberg/factorize'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ijagberg/factorize" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ijagberg/factorize"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ijagberg/factorize'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 68af52a7e2e0d792170cdc3c7981062790906455 [INFO] sha for GitHub repo ijagberg/factorize: 68af52a7e2e0d792170cdc3c7981062790906455 [INFO] validating manifest of ijagberg/factorize on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ijagberg/factorize on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ijagberg/factorize [INFO] finished frobbing ijagberg/factorize [INFO] frobbed toml for ijagberg/factorize written to work/ex/beta-1.37-6/sources/1.36.0/gh/ijagberg/factorize/Cargo.toml [INFO] started frobbing ijagberg/factorize [INFO] finished frobbing ijagberg/factorize [INFO] frobbed toml for ijagberg/factorize written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ijagberg/factorize/Cargo.toml [INFO] crate ijagberg/factorize already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing ijagberg/factorize against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ijagberg/factorize:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 489f888ec7e89521d2ec509dd3251c0eadd8582845861ae24aae8eb4a4fdf8a5 [INFO] running `"docker" "start" "-a" "489f888ec7e89521d2ec509dd3251c0eadd8582845861ae24aae8eb4a4fdf8a5"` [INFO] [stderr] Compiling factorize v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable `r` is assigned to, but never used [INFO] [stderr] --> src/main.rs:60:17 [INFO] [stderr] | [INFO] [stderr] 60 | let mut r: u128 = 1; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] = note: consider using `_r` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n_minus_one` [INFO] [stderr] --> src/main.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let n_minus_one: u128 = n - 1; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_n_minus_one` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `upper_limit` [INFO] [stderr] --> src/main.rs:68:13 [INFO] [stderr] | [INFO] [stderr] 68 | let upper_limit: u128 = n - 3; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_upper_limit` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `power` [INFO] [stderr] --> src/main.rs:69:13 [INFO] [stderr] | [INFO] [stderr] 69 | let power: u128 = 7; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_power` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | for i in 1..10 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `random` [INFO] [stderr] --> src/main.rs:72:17 [INFO] [stderr] | [INFO] [stderr] 72 | let random = rand::thread_rng().next_u64(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_random` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `miller_rabin` [INFO] [stderr] --> src/main.rs:54:1 [INFO] [stderr] | [INFO] [stderr] 54 | fn miller_rabin(n: &u128) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gcd` [INFO] [stderr] --> src/main.rs:129:1 [INFO] [stderr] | [INFO] [stderr] 129 | fn gcd(a: u128, b: u128) -> u128 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.16s [INFO] running `"docker" "inspect" "489f888ec7e89521d2ec509dd3251c0eadd8582845861ae24aae8eb4a4fdf8a5"` [INFO] running `"docker" "rm" "-f" "489f888ec7e89521d2ec509dd3251c0eadd8582845861ae24aae8eb4a4fdf8a5"` [INFO] [stdout] 489f888ec7e89521d2ec509dd3251c0eadd8582845861ae24aae8eb4a4fdf8a5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ijagberg/factorize:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] bdb00bc97d0fab7b2d4c1c58b06f96a255d306227701d433ecf07af5ef57be7c [INFO] running `"docker" "start" "-a" "bdb00bc97d0fab7b2d4c1c58b06f96a255d306227701d433ecf07af5ef57be7c"` [INFO] [stderr] Compiling factorize v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable `r` is assigned to, but never used [INFO] [stderr] --> src/main.rs:60:17 [INFO] [stderr] | [INFO] [stderr] 60 | let mut r: u128 = 1; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] = note: consider using `_r` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n_minus_one` [INFO] [stderr] --> src/main.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let n_minus_one: u128 = n - 1; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_n_minus_one` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `upper_limit` [INFO] [stderr] --> src/main.rs:68:13 [INFO] [stderr] | [INFO] [stderr] 68 | let upper_limit: u128 = n - 3; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_upper_limit` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `power` [INFO] [stderr] --> src/main.rs:69:13 [INFO] [stderr] | [INFO] [stderr] 69 | let power: u128 = 7; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_power` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | for i in 1..10 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `random` [INFO] [stderr] --> src/main.rs:72:17 [INFO] [stderr] | [INFO] [stderr] 72 | let random = rand::thread_rng().next_u64(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_random` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `miller_rabin` [INFO] [stderr] --> src/main.rs:54:1 [INFO] [stderr] | [INFO] [stderr] 54 | fn miller_rabin(n: &u128) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `"docker" "inspect" "bdb00bc97d0fab7b2d4c1c58b06f96a255d306227701d433ecf07af5ef57be7c"` [INFO] running `"docker" "rm" "-f" "bdb00bc97d0fab7b2d4c1c58b06f96a255d306227701d433ecf07af5ef57be7c"` [INFO] [stdout] bdb00bc97d0fab7b2d4c1c58b06f96a255d306227701d433ecf07af5ef57be7c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ijagberg/factorize:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 9f91b7cd4f7385da194987159adb75564985cf9201db9266585f500e112d104d [INFO] running `"docker" "start" "-a" "9f91b7cd4f7385da194987159adb75564985cf9201db9266585f500e112d104d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/factorize-38ddf1450e57cba3 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_gcd ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "9f91b7cd4f7385da194987159adb75564985cf9201db9266585f500e112d104d"` [INFO] running `"docker" "rm" "-f" "9f91b7cd4f7385da194987159adb75564985cf9201db9266585f500e112d104d"` [INFO] [stdout] 9f91b7cd4f7385da194987159adb75564985cf9201db9266585f500e112d104d