[INFO] cloning repository https://github.com/Tazoeur/projecteuler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tazoeur/projecteuler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTazoeur%2Fprojecteuler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTazoeur%2Fprojecteuler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d03ead78fbc180812af3d7b482dd9dd3e4c2125f [INFO] testing Tazoeur/projecteuler against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTazoeur%2Fprojecteuler" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Tazoeur/projecteuler on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Tazoeur/projecteuler [INFO] finished tweaking git repo https://github.com/Tazoeur/projecteuler [INFO] tweaked toml for git repo https://github.com/Tazoeur/projecteuler written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c0f7038a6f8dbdc531038e807806a093278f11506a84fecaf138a7bd84c14a8 [INFO] running `Command { std: "docker" "start" "-a" "1c0f7038a6f8dbdc531038e807806a093278f11506a84fecaf138a7bd84c14a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c0f7038a6f8dbdc531038e807806a093278f11506a84fecaf138a7bd84c14a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c0f7038a6f8dbdc531038e807806a093278f11506a84fecaf138a7bd84c14a8", kill_on_drop: false }` [INFO] [stdout] 1c0f7038a6f8dbdc531038e807806a093278f11506a84fecaf138a7bd84c14a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 737a2105eea06bceab0cebec7dadfe4511e8e2c97ae30915ddb2608903089160 [INFO] running `Command { std: "docker" "start" "-a" "737a2105eea06bceab0cebec7dadfe4511e8e2c97ae30915ddb2608903089160", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling gimli v0.25.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling etcommon-hexutil v0.2.4 [INFO] [stderr] Compiling elastic-array-plus v0.10.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling svg v0.5.12 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling etcommon-rlp v0.2.5 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling object v0.26.2 [INFO] [stderr] Compiling etcommon-bigint v0.2.10 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Compiling addr2line v0.16.0 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling fraction v0.6.3 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling plotlib v0.4.0 [INFO] [stderr] Compiling projecteuler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/hugeint/mod.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let mut result = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `self_value` is never read [INFO] [stdout] --> src/hugeint/mod.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | let mut self_value = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n_value` is never read [INFO] [stdout] --> src/hugeint/mod.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | let mut n_value = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `report` is never read [INFO] [stdout] --> src/hugeint/mod.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | report = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/hugeint/mod.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | for v in 0..value { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/hugeint/mod.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | for j in 0..i { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/hugeint/mod.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | for i in 1..n { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `total` is never read [INFO] [stdout] --> src/coin_sums.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut total: u64 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `p_str` is never read [INFO] [stdout] --> src/pandigital_products.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | let mut p_str = String::new(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tu` [INFO] [stdout] --> src/pandigital_products.rs:145:10 [INFO] [stdout] | [INFO] [stdout] 145 | for (tu, p) in &tab { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tu` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tab` [INFO] [stdout] --> src/quadratic_primes.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tab: Vec<(i64, i64)> = Vec::new(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tab` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> src/quadratic_primes.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut n: u64 = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `eq` is never read [INFO] [stdout] --> src/quadratic_primes.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut eq: i64 = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `abs_eq` is never read [INFO] [stdout] --> src/quadratic_primes.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut abs_eq: u64 = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/quadratic_primes.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tab: Vec<(i64, i64)> = Vec::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/digit_fifth_powers.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | Page::single(&v).save("scatter.svg"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lib_euler::utils::math` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use lib_euler::utils::math; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.61s [INFO] running `Command { std: "docker" "inspect" "737a2105eea06bceab0cebec7dadfe4511e8e2c97ae30915ddb2608903089160", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "737a2105eea06bceab0cebec7dadfe4511e8e2c97ae30915ddb2608903089160", kill_on_drop: false }` [INFO] [stdout] 737a2105eea06bceab0cebec7dadfe4511e8e2c97ae30915ddb2608903089160 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 645f0accb8d448d47f317245741a82d6d9fff433377c314004f0d5f3bf301207 [INFO] running `Command { std: "docker" "start" "-a" "645f0accb8d448d47f317245741a82d6d9fff433377c314004f0d5f3bf301207", kill_on_drop: false }` [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/hugeint/mod.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let mut result = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `self_value` is never read [INFO] [stdout] --> src/hugeint/mod.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | let mut self_value = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n_value` is never read [INFO] [stdout] --> src/hugeint/mod.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | let mut n_value = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `report` is never read [INFO] [stdout] --> src/hugeint/mod.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | report = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/hugeint/mod.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | for v in 0..value { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/hugeint/mod.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | for j in 0..i { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/hugeint/mod.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | for i in 1..n { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `total` is never read [INFO] [stdout] --> src/coin_sums.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut total: u64 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `p_str` is never read [INFO] [stdout] --> src/pandigital_products.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | let mut p_str = String::new(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tu` [INFO] [stdout] --> src/pandigital_products.rs:145:10 [INFO] [stdout] | [INFO] [stdout] 145 | for (tu, p) in &tab { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tu` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tab` [INFO] [stdout] --> src/quadratic_primes.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tab: Vec<(i64, i64)> = Vec::new(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tab` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> src/quadratic_primes.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut n: u64 = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `eq` is never read [INFO] [stdout] --> src/quadratic_primes.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut eq: i64 = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `abs_eq` is never read [INFO] [stdout] --> src/quadratic_primes.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut abs_eq: u64 = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/quadratic_primes.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tab: Vec<(i64, i64)> = Vec::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/digit_fifth_powers.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | Page::single(&v).save("scatter.svg"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling projecteuler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `lib_euler::utils::math` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use lib_euler::utils::math; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/hugeint/mod.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let mut result = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `self_value` is never read [INFO] [stdout] --> src/hugeint/mod.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | let mut self_value = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n_value` is never read [INFO] [stdout] --> src/hugeint/mod.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | let mut n_value = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `report` is never read [INFO] [stdout] --> src/hugeint/mod.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | report = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/hugeint/mod.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | for v in 0..value { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/hugeint/mod.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | for j in 0..i { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/hugeint/mod.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | for i in 1..n { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `total` is never read [INFO] [stdout] --> src/coin_sums.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut total: u64 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `p_str` is never read [INFO] [stdout] --> src/pandigital_products.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | let mut p_str = String::new(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tu` [INFO] [stdout] --> src/pandigital_products.rs:145:10 [INFO] [stdout] | [INFO] [stdout] 145 | for (tu, p) in &tab { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_tu` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tab` [INFO] [stdout] --> src/quadratic_primes.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tab: Vec<(i64, i64)> = Vec::new(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tab` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> src/quadratic_primes.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut n: u64 = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `eq` is never read [INFO] [stdout] --> src/quadratic_primes.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut eq: i64 = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `abs_eq` is never read [INFO] [stdout] --> src/quadratic_primes.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut abs_eq: u64 = 0; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/quadratic_primes.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tab: Vec<(i64, i64)> = Vec::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/digit_fifth_powers.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | Page::single(&v).save("scatter.svg"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "645f0accb8d448d47f317245741a82d6d9fff433377c314004f0d5f3bf301207", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "645f0accb8d448d47f317245741a82d6d9fff433377c314004f0d5f3bf301207", kill_on_drop: false }` [INFO] [stdout] 645f0accb8d448d47f317245741a82d6d9fff433377c314004f0d5f3bf301207 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b4bdba99982006c1458b21b9c322c99823c1f743100bc4f669b626459e3af11a [INFO] running `Command { std: "docker" "start" "-a" "b4bdba99982006c1458b21b9c322c99823c1f743100bc4f669b626459e3af11a", kill_on_drop: false }` [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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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 `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: `projecteuler` (lib) generated 16 warnings [INFO] [stderr] warning: `projecteuler` (lib test) generated 16 warnings (16 duplicates) [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: `projecteuler` (bin "projecteuler" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lib_euler-d736cb7bec6758d5) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/projecteuler-46ee5c7bdb597400) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests lib_euler [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/utils/math.rs - utils::math::combinatorics_combination (line 50) ... FAILED [INFO] [stdout] test src/utils/math.rs - utils::math::combinatorics_permutation (line 98) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/utils/math.rs - utils::math::combinatorics_combination (line 50) stdout ---- [INFO] [stdout] error: `and` is not a logical operator [INFO] [stdout] --> src/utils/math.rs:51:16 [INFO] [stdout] | [INFO] [stdout] 3 | ex : let p = 2 and elements = [1, 2, 3, 4, 5]; the result will be [INFO] [stdout] | ^^^ help: use `&&` to perform logical conjunction [INFO] [stdout] | [INFO] [stdout] = note: unlike in e.g., python and PHP, `&&` and `||` are used for logical operators [INFO] [stdout] [INFO] [stdout] error: expected identifier, found keyword `let` [INFO] [stdout] --> src/utils/math.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 3 | ex : let p = 2 and elements = [1, 2, 3, 4, 5]; the result will be [INFO] [stdout] | ^^^ expected identifier, found keyword [INFO] [stdout] [INFO] [stdout] error: expected type, found keyword `let` [INFO] [stdout] --> src/utils/math.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 3 | ex : let p = 2 and elements = [1, 2, 3, 4, 5]; the result will be [INFO] [stdout] | - ^^^ expected type [INFO] [stdout] | | [INFO] [stdout] | tried to parse a type due to this [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/utils/math.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 3 | ex : let p = 2 and elements = [1, 2, 3, 4, 5]; the result will be [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/utils/math.rs - utils::math::combinatorics_permutation (line 98) stdout ---- [INFO] [stdout] error: `and` is not a logical operator [INFO] [stdout] --> src/utils/math.rs:99:16 [INFO] [stdout] | [INFO] [stdout] 3 | ex : let p = 2 and elements = [1, 2, 3, 4, 5]; the result will be [INFO] [stdout] | ^^^ help: use `&&` to perform logical conjunction [INFO] [stdout] | [INFO] [stdout] = note: unlike in e.g., python and PHP, `&&` and `||` are used for logical operators [INFO] [stdout] [INFO] [stdout] error: expected identifier, found keyword `let` [INFO] [stdout] --> src/utils/math.rs:99:6 [INFO] [stdout] | [INFO] [stdout] 3 | ex : let p = 2 and elements = [1, 2, 3, 4, 5]; the result will be [INFO] [stdout] | ^^^ expected identifier, found keyword [INFO] [stdout] [INFO] [stdout] error: expected type, found keyword `let` [INFO] [stdout] --> src/utils/math.rs:99:6 [INFO] [stdout] | [INFO] [stdout] 3 | ex : let p = 2 and elements = [1, 2, 3, 4, 5]; the result will be [INFO] [stdout] | - ^^^ expected type [INFO] [stdout] | | [INFO] [stdout] | tried to parse a type due to this [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are experimental [INFO] [stdout] --> src/utils/math.rs:99:6 [INFO] [stdout] | [INFO] [stdout] 3 | ex : let p = 2 and elements = [1, 2, 3, 4, 5]; the result will be [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: you can write `matches!(, )` instead of `let = ` [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/utils/math.rs - utils::math::combinatorics_combination (line 50) [INFO] [stdout] src/utils/math.rs - utils::math::combinatorics_permutation (line 98) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "b4bdba99982006c1458b21b9c322c99823c1f743100bc4f669b626459e3af11a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4bdba99982006c1458b21b9c322c99823c1f743100bc4f669b626459e3af11a", kill_on_drop: false }` [INFO] [stdout] b4bdba99982006c1458b21b9c322c99823c1f743100bc4f669b626459e3af11a