[INFO] cloning repository https://github.com/snek100/primefinder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snek100/primefinder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnek100%2Fprimefinder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnek100%2Fprimefinder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 27a4b0c4677a223b6a42b5bbd74a58cdae820076 [INFO] checking snek100/primefinder against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnek100%2Fprimefinder" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/snek100/primefinder [INFO] finished tweaking git repo https://github.com/snek100/primefinder [INFO] tweaked toml for git repo https://github.com/snek100/primefinder written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/snek100/primefinder on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/snek100/primefinder already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] [stderr] Adding cache-padded v1.3.0 [INFO] [stderr] Adding ringbuf v0.2.8 (available: v0.4.8) [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cache-padded v1.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e27c7079990ba4fe07a4a3de48b5a1187dcb6baee7a70920068013ebc15f1abc [INFO] running `Command { std: "docker" "start" "-a" "e27c7079990ba4fe07a4a3de48b5a1187dcb6baee7a70920068013ebc15f1abc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e27c7079990ba4fe07a4a3de48b5a1187dcb6baee7a70920068013ebc15f1abc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e27c7079990ba4fe07a4a3de48b5a1187dcb6baee7a70920068013ebc15f1abc", kill_on_drop: false }` [INFO] [stdout] e27c7079990ba4fe07a4a3de48b5a1187dcb6baee7a70920068013ebc15f1abc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ae7ea198a33809f12b57784b92f6460e7c68b2dba521f72c06d3812e8fa2c4a [INFO] running `Command { std: "docker" "start" "-a" "8ae7ea198a33809f12b57784b92f6460e7c68b2dba521f72c06d3812e8fa2c4a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Checking cache-padded v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking ringbuf v0.2.8 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking prime_finder v3.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/lib.rs:228:39 [INFO] [stdout] | [INFO] [stdout] 228 | assert_eq!(smalls_prime_chart[(checking - 1)], primeiness); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 228 - assert_eq!(smalls_prime_chart[(checking - 1)], primeiness); [INFO] [stdout] 228 + assert_eq!(smalls_prime_chart[checking - 1 ], primeiness); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/lib.rs:236:67 [INFO] [stdout] | [INFO] [stdout] 236 | let divisor = finds_if_number_is_prime((problems_list[(checking - 1)]).try_into().unwrap()); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 236 - let divisor = finds_if_number_is_prime((problems_list[(checking - 1)]).try_into().unwrap()); [INFO] [stdout] 236 + let divisor = finds_if_number_is_prime((problems_list[checking - 1 ]).try_into().unwrap()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/lib.rs:245:45 [INFO] [stdout] | [INFO] [stdout] 245 | assert_eq!(problems_prime_chart[(checking - 1)], primeiness); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 245 - assert_eq!(problems_prime_chart[(checking - 1)], primeiness); [INFO] [stdout] 245 + assert_eq!(problems_prime_chart[checking - 1 ], primeiness); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `prime` is never read [INFO] [stdout] --> src/lib.rs:167:42 [INFO] [stdout] | [INFO] [stdout] 167 | let mut prime:bool = true; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `checking` is never read [INFO] [stdout] --> src/lib.rs:169:40 [INFO] [stdout] | [INFO] [stdout] 169 | let mut checking = 2; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `prime` is never read [INFO] [stdout] --> src/lib.rs:167:42 [INFO] [stdout] | [INFO] [stdout] 167 | let mut prime:bool = true; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `checking` is never read [INFO] [stdout] --> src/lib.rs:169:40 [INFO] [stdout] | [INFO] [stdout] 169 | let mut checking = 2; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `primeiness` is never read [INFO] [stdout] --> src/lib.rs:220:30 [INFO] [stdout] | [INFO] [stdout] 220 | let mut primeiness = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `primeiness` is never read [INFO] [stdout] --> src/lib.rs:237:34 [INFO] [stdout] | [INFO] [stdout] 237 | let mut primeiness = false; [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/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let mut primes_list_new = collect_primes(&primes_list); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | file.read_to_string(&mut primes_list_string); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = file.read_to_string(&mut primes_list_string); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let mut primes_list_new = collect_primes(&primes_list); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | file.read_to_string(&mut primes_list_string); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = file.read_to_string(&mut primes_list_string); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.15s [INFO] running `Command { std: "docker" "inspect" "8ae7ea198a33809f12b57784b92f6460e7c68b2dba521f72c06d3812e8fa2c4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ae7ea198a33809f12b57784b92f6460e7c68b2dba521f72c06d3812e8fa2c4a", kill_on_drop: false }` [INFO] [stdout] 8ae7ea198a33809f12b57784b92f6460e7c68b2dba521f72c06d3812e8fa2c4a