[INFO] updating cached repository nao-kobayashi/PrjEuler [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nao-kobayashi/PrjEuler [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nao-kobayashi/PrjEuler" "work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/PrjEuler"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/PrjEuler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nao-kobayashi/PrjEuler" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/PrjEuler"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/PrjEuler'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b3c808928630d6d3520ee987c3fb121a237ab4d7 [INFO] sha for GitHub repo nao-kobayashi/PrjEuler: b3c808928630d6d3520ee987c3fb121a237ab4d7 [INFO] validating manifest of nao-kobayashi/PrjEuler 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 nao-kobayashi/PrjEuler 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 nao-kobayashi/PrjEuler [INFO] finished frobbing nao-kobayashi/PrjEuler [INFO] frobbed toml for nao-kobayashi/PrjEuler written to work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/PrjEuler/Cargo.toml [INFO] started frobbing nao-kobayashi/PrjEuler [INFO] finished frobbing nao-kobayashi/PrjEuler [INFO] frobbed toml for nao-kobayashi/PrjEuler written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/PrjEuler/Cargo.toml [INFO] crate nao-kobayashi/PrjEuler 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] testing nao-kobayashi/PrjEuler against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/PrjEuler:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 16709590cffe8864b56f2e35d3bb0c0f63604f8808f46799626f1e153a48f9cd [INFO] running `"docker" "start" "-a" "16709590cffe8864b56f2e35d3bb0c0f63604f8808f46799626f1e153a48f9cd"` [INFO] [stderr] Compiling project v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `crate::problem17::*` [INFO] [stderr] --> src/main.rs:518:5 [INFO] [stderr] | [INFO] [stderr] 518 | use crate::problem17::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `r` is never read [INFO] [stderr] --> src/main.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | let mut r = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:308:34 [INFO] [stderr] | [INFO] [stderr] 308 | .fold(1, |calc, (num, r)| calc * (r + 1)); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_num` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:825:9 [INFO] [stderr] | [INFO] [stderr] 825 | let a = BigInt::from(1); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `c1` is never read [INFO] [stderr] --> src/main.rs:906:13 [INFO] [stderr] | [INFO] [stderr] 906 | let mut c1: u64 = 0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `c2` is never read [INFO] [stderr] --> src/main.rs:907:13 [INFO] [stderr] | [INFO] [stderr] 907 | let mut c2: u64 = 0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `c3` is never read [INFO] [stderr] --> src/main.rs:908:13 [INFO] [stderr] | [INFO] [stderr] 908 | let mut c3: u64 = 0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `c4` is never read [INFO] [stderr] --> src/main.rs:909:13 [INFO] [stderr] | [INFO] [stderr] 909 | let mut c4: u64 = 0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:944:17 [INFO] [stderr] | [INFO] [stderr] 944 | for i in 1..*nb { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:173:13 [INFO] [stderr] | [INFO] [stderr] 173 | let mut calc = (0..mul_num).fold(1, |mul, h| mul * num_arr[h + i]); [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/main.rs:793:14 [INFO] [stderr] | [INFO] [stderr] 793 | fn problem24(mut num: i32) { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `BUF_SIZE` [INFO] [stderr] --> src/main.rs:714:1 [INFO] [stderr] | [INFO] [stderr] 714 | const BUF_SIZE: usize = 2048; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/main.rs:488:11 [INFO] [stderr] | [INFO] [stderr] 488 | while y >= 0 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_comparisons)] on by default [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/main.rs:490:15 [INFO] [stderr] | [INFO] [stderr] 490 | while x >= 0 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static variable `proper` should have an upper case name [INFO] [stderr] --> src/problem17.rs:4:16 [INFO] [stderr] | [INFO] [stderr] 4 | static ref proper:[usize; 20] = [ [INFO] [stderr] | ^^^^^^ help: convert the identifier to upper case: `PROPER` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `tenth` should have an upper case name [INFO] [stderr] --> src/problem17.rs:28:16 [INFO] [stderr] | [INFO] [stderr] 28 | static ref tenth: [usize; 8] = [ [INFO] [stderr] | ^^^^^ help: convert the identifier to upper case: `TENTH` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.09s [INFO] running `"docker" "inspect" "16709590cffe8864b56f2e35d3bb0c0f63604f8808f46799626f1e153a48f9cd"` [INFO] running `"docker" "rm" "-f" "16709590cffe8864b56f2e35d3bb0c0f63604f8808f46799626f1e153a48f9cd"` [INFO] [stdout] 16709590cffe8864b56f2e35d3bb0c0f63604f8808f46799626f1e153a48f9cd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/PrjEuler:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 14888132664c18f205299efda43560907d6a5f6070ea04edc00f31eb3893b989 [INFO] running `"docker" "start" "-a" "14888132664c18f205299efda43560907d6a5f6070ea04edc00f31eb3893b989"` [INFO] [stderr] Compiling project v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `crate::problem17::*` [INFO] [stderr] --> src/main.rs:518:5 [INFO] [stderr] | [INFO] [stderr] 518 | use crate::problem17::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `r` is never read [INFO] [stderr] --> src/main.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | let mut r = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> src/main.rs:308:34 [INFO] [stderr] | [INFO] [stderr] 308 | .fold(1, |calc, (num, r)| calc * (r + 1)); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_num` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:825:9 [INFO] [stderr] | [INFO] [stderr] 825 | let a = BigInt::from(1); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `c1` is never read [INFO] [stderr] --> src/main.rs:906:13 [INFO] [stderr] | [INFO] [stderr] 906 | let mut c1: u64 = 0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `c2` is never read [INFO] [stderr] --> src/main.rs:907:13 [INFO] [stderr] | [INFO] [stderr] 907 | let mut c2: u64 = 0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `c3` is never read [INFO] [stderr] --> src/main.rs:908:13 [INFO] [stderr] | [INFO] [stderr] 908 | let mut c3: u64 = 0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `c4` is never read [INFO] [stderr] --> src/main.rs:909:13 [INFO] [stderr] | [INFO] [stderr] 909 | let mut c4: u64 = 0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:944:17 [INFO] [stderr] | [INFO] [stderr] 944 | for i in 1..*nb { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:173:13 [INFO] [stderr] | [INFO] [stderr] 173 | let mut calc = (0..mul_num).fold(1, |mul, h| mul * num_arr[h + i]); [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/main.rs:793:14 [INFO] [stderr] | [INFO] [stderr] 793 | fn problem24(mut num: i32) { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `BUF_SIZE` [INFO] [stderr] --> src/main.rs:714:1 [INFO] [stderr] | [INFO] [stderr] 714 | const BUF_SIZE: usize = 2048; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/main.rs:488:11 [INFO] [stderr] | [INFO] [stderr] 488 | while y >= 0 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_comparisons)] on by default [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/main.rs:490:15 [INFO] [stderr] | [INFO] [stderr] 490 | while x >= 0 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static variable `proper` should have an upper case name [INFO] [stderr] --> src/problem17.rs:4:16 [INFO] [stderr] | [INFO] [stderr] 4 | static ref proper:[usize; 20] = [ [INFO] [stderr] | ^^^^^^ help: convert the identifier to upper case: `PROPER` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `tenth` should have an upper case name [INFO] [stderr] --> src/problem17.rs:28:16 [INFO] [stderr] | [INFO] [stderr] 28 | static ref tenth: [usize; 8] = [ [INFO] [stderr] | ^^^^^ help: convert the identifier to upper case: `TENTH` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `"docker" "inspect" "14888132664c18f205299efda43560907d6a5f6070ea04edc00f31eb3893b989"` [INFO] running `"docker" "rm" "-f" "14888132664c18f205299efda43560907d6a5f6070ea04edc00f31eb3893b989"` [INFO] [stdout] 14888132664c18f205299efda43560907d6a5f6070ea04edc00f31eb3893b989 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/PrjEuler:/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 639586a29bcb3ee65cc6c2a5792eb6175b12c4f39909b991de2df1f7498f2cf7 [INFO] running `"docker" "start" "-a" "639586a29bcb3ee65cc6c2a5792eb6175b12c4f39909b991de2df1f7498f2cf7"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/project-0a259bc8c95e1d4f [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "639586a29bcb3ee65cc6c2a5792eb6175b12c4f39909b991de2df1f7498f2cf7"` [INFO] running `"docker" "rm" "-f" "639586a29bcb3ee65cc6c2a5792eb6175b12c4f39909b991de2df1f7498f2cf7"` [INFO] [stdout] 639586a29bcb3ee65cc6c2a5792eb6175b12c4f39909b991de2df1f7498f2cf7