[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/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/nao-kobayashi/PrjEuler"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/nao-kobayashi/PrjEuler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nao-kobayashi/PrjEuler" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/nao-kobayashi/PrjEuler"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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 master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nao-kobayashi/PrjEuler on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "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/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/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/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking nao-kobayashi/PrjEuler against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-1/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/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=forbid" "-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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 89c8eee8ada8c9d1ab9e6f14ad4128e06b9d369403cb53cbc8c1c1d48fdf3846 [INFO] running `"docker" "start" "-a" "89c8eee8ada8c9d1ab9e6f14ad4128e06b9d369403cb53cbc8c1c1d48fdf3846"` [INFO] [stderr] Checking 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: 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: 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] 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 1.50s [INFO] running `"docker" "inspect" "89c8eee8ada8c9d1ab9e6f14ad4128e06b9d369403cb53cbc8c1c1d48fdf3846"` [INFO] running `"docker" "rm" "-f" "89c8eee8ada8c9d1ab9e6f14ad4128e06b9d369403cb53cbc8c1c1d48fdf3846"` [INFO] [stdout] 89c8eee8ada8c9d1ab9e6f14ad4128e06b9d369403cb53cbc8c1c1d48fdf3846