[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] checking Tazoeur/projecteuler against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTazoeur%2Fprojecteuler" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Tazoeur/projecteuler on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fraction v0.6.3 [INFO] [stderr] Downloaded etcommon-bigint v0.2.10 [INFO] [stderr] Downloaded etcommon-hexutil v0.2.4 [INFO] [stderr] Downloaded elastic-array-plus v0.10.0 [INFO] [stderr] Downloaded etcommon-rlp v0.2.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7667f90aa6bbcbd671e7b64cd16323c225eeac061e542f09a43d78e514ee6d7 [INFO] running `Command { std: "docker" "start" "-a" "a7667f90aa6bbcbd671e7b64cd16323c225eeac061e542f09a43d78e514ee6d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7667f90aa6bbcbd671e7b64cd16323c225eeac061e542f09a43d78e514ee6d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7667f90aa6bbcbd671e7b64cd16323c225eeac061e542f09a43d78e514ee6d7", kill_on_drop: false }` [INFO] [stdout] a7667f90aa6bbcbd671e7b64cd16323c225eeac061e542f09a43d78e514ee6d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60a7e0c7eb7cba92b5605bdc982c112d91c7ca466d8b0396d012f849057a0653 [INFO] running `Command { std: "docker" "start" "-a" "60a7e0c7eb7cba92b5605bdc982c112d91c7ca466d8b0396d012f849057a0653", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.25.0 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking elastic-array-plus v0.10.0 [INFO] [stderr] Checking etcommon-hexutil v0.2.4 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking svg v0.5.12 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking etcommon-rlp v0.2.5 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking object v0.26.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking addr2line v0.16.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking etcommon-bigint v0.2.10 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking fraction v0.6.3 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking plotlib v0.4.0 [INFO] [stderr] Checking projecteuler v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/pandigital_products.rs (1 fix) [INFO] [stderr] Fixed src/quadratic_primes.rs (2 fixes) [INFO] [stderr] Fixed src/hugeint/mod.rs (3 fixes) [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: 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: 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: 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: 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: 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: 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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed src/main.rs (1 fix) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.70s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking projecteuler v0.1.0 (/tmp/fixit) [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: 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: 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: 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: 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: 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: 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: 10 warnings emitted [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.27s [INFO] running `Command { std: "docker" "inspect" "60a7e0c7eb7cba92b5605bdc982c112d91c7ca466d8b0396d012f849057a0653", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60a7e0c7eb7cba92b5605bdc982c112d91c7ca466d8b0396d012f849057a0653", kill_on_drop: false }` [INFO] [stdout] 60a7e0c7eb7cba92b5605bdc982c112d91c7ca466d8b0396d012f849057a0653