[INFO] updating cached repository Tazoeur/projecteuler [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Tazoeur/projecteuler [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Tazoeur/projecteuler" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Tazoeur/projecteuler"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Tazoeur/projecteuler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Tazoeur/projecteuler" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Tazoeur/projecteuler"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Tazoeur/projecteuler'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d03ead78fbc180812af3d7b482dd9dd3e4c2125f [INFO] sha for GitHub repo Tazoeur/projecteuler: d03ead78fbc180812af3d7b482dd9dd3e4c2125f [INFO] validating manifest of Tazoeur/projecteuler on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Tazoeur/projecteuler on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Tazoeur/projecteuler [INFO] finished frobbing Tazoeur/projecteuler [INFO] frobbed toml for Tazoeur/projecteuler written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Tazoeur/projecteuler/Cargo.toml [INFO] started frobbing Tazoeur/projecteuler [INFO] finished frobbing Tazoeur/projecteuler [INFO] frobbed toml for Tazoeur/projecteuler written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Tazoeur/projecteuler/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Tazoeur/projecteuler against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Tazoeur/projecteuler:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6f2d51b6f928689d5ee5237ac1b0d9a34ad446454de0d9742d4084de40d0f708 [INFO] running `"docker" "start" "-a" "6f2d51b6f928689d5ee5237ac1b0d9a34ad446454de0d9742d4084de40d0f708"` [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking etcommon-hexutil v0.2.4 [INFO] [stderr] Checking elastic-array-plus v0.10.0 [INFO] [stderr] Checking svg v0.5.12 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking fraction v0.6.2 [INFO] [stderr] Checking plotlib v0.4.0 [INFO] [stderr] Checking etcommon-rlp v0.2.4 [INFO] [stderr] Checking etcommon-bigint v0.2.10 [INFO] [stderr] Checking projecteuler v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: value assigned to `result` is never read [INFO] [stderr] --> src/hugeint/mod.rs:28:17 [INFO] [stderr] | [INFO] [stderr] 28 | let mut result = 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: value assigned to `self_value` is never read [INFO] [stderr] --> src/hugeint/mod.rs:31:17 [INFO] [stderr] | [INFO] [stderr] 31 | let mut self_value = 0; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `n_value` is never read [INFO] [stderr] --> src/hugeint/mod.rs:32:17 [INFO] [stderr] | [INFO] [stderr] 32 | let mut n_value = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `report` is never read [INFO] [stderr] --> src/hugeint/mod.rs:56:13 [INFO] [stderr] | [INFO] [stderr] 56 | report = 0; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/hugeint/mod.rs:76:17 [INFO] [stderr] | [INFO] [stderr] 76 | for v in 0..value { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/hugeint/mod.rs:80:17 [INFO] [stderr] | [INFO] [stderr] 80 | for j in 0..i { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_j` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/hugeint/mod.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | for i in 1..n { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `total` is never read [INFO] [stderr] --> src/coin_sums.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut total: u64 = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `p_str` is never read [INFO] [stderr] --> src/pandigital_products.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut p_str = String::new(); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tu` [INFO] [stderr] --> src/pandigital_products.rs:145:10 [INFO] [stderr] | [INFO] [stderr] 145 | for (tu, p) in &tab { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_tu` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tab` [INFO] [stderr] --> src/quadratic_primes.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut tab: Vec<(i64, i64)> = Vec::new(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_tab` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `n` is never read [INFO] [stderr] --> src/quadratic_primes.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut n: u64 = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `eq` is never read [INFO] [stderr] --> src/quadratic_primes.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | let mut eq: i64 = 0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `abs_eq` is never read [INFO] [stderr] --> src/quadratic_primes.rs:8:13 [INFO] [stderr] | [INFO] [stderr] 8 | let mut abs_eq: u64 = 0; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/quadratic_primes.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut tab: Vec<(i64, i64)> = Vec::new(); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/digit_fifth_powers.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | Page::single(&v).save("scatter.svg"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: value assigned to `result` is never read [INFO] [stderr] --> src/hugeint/mod.rs:28:17 [INFO] [stderr] | [INFO] [stderr] 28 | let mut result = 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: value assigned to `self_value` is never read [INFO] [stderr] --> src/hugeint/mod.rs:31:17 [INFO] [stderr] | [INFO] [stderr] 31 | let mut self_value = 0; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `n_value` is never read [INFO] [stderr] --> src/hugeint/mod.rs:32:17 [INFO] [stderr] | [INFO] [stderr] 32 | let mut n_value = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `report` is never read [INFO] [stderr] --> src/hugeint/mod.rs:56:13 [INFO] [stderr] | [INFO] [stderr] 56 | report = 0; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/hugeint/mod.rs:76:17 [INFO] [stderr] | [INFO] [stderr] 76 | for v in 0..value { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/hugeint/mod.rs:80:17 [INFO] [stderr] | [INFO] [stderr] 80 | for j in 0..i { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_j` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/hugeint/mod.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | for i in 1..n { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `total` is never read [INFO] [stderr] --> src/coin_sums.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut total: u64 = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `p_str` is never read [INFO] [stderr] --> src/pandigital_products.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut p_str = String::new(); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tu` [INFO] [stderr] --> src/pandigital_products.rs:145:10 [INFO] [stderr] | [INFO] [stderr] 145 | for (tu, p) in &tab { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_tu` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tab` [INFO] [stderr] --> src/quadratic_primes.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut tab: Vec<(i64, i64)> = Vec::new(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_tab` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `n` is never read [INFO] [stderr] --> src/quadratic_primes.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut n: u64 = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `eq` is never read [INFO] [stderr] --> src/quadratic_primes.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | let mut eq: i64 = 0; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `abs_eq` is never read [INFO] [stderr] --> src/quadratic_primes.rs:8:13 [INFO] [stderr] | [INFO] [stderr] 8 | let mut abs_eq: u64 = 0; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/quadratic_primes.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let mut tab: Vec<(i64, i64)> = Vec::new(); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/digit_fifth_powers.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | Page::single(&v).save("scatter.svg"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `lib_euler::utils::math` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use lib_euler::utils::math; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `lib_euler::utils::math` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use lib_euler::utils::math; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.85s [INFO] running `"docker" "inspect" "6f2d51b6f928689d5ee5237ac1b0d9a34ad446454de0d9742d4084de40d0f708"` [INFO] running `"docker" "rm" "-f" "6f2d51b6f928689d5ee5237ac1b0d9a34ad446454de0d9742d4084de40d0f708"` [INFO] [stdout] 6f2d51b6f928689d5ee5237ac1b0d9a34ad446454de0d9742d4084de40d0f708