[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 try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnek100%2Fprimefinder" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/snek100/primefinder on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 86713ce87b8d7ede50802237400ac5f3910e27656bf86da2fd1b5594508e6c89 [INFO] running `Command { std: "docker" "start" "-a" "86713ce87b8d7ede50802237400ac5f3910e27656bf86da2fd1b5594508e6c89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "86713ce87b8d7ede50802237400ac5f3910e27656bf86da2fd1b5594508e6c89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86713ce87b8d7ede50802237400ac5f3910e27656bf86da2fd1b5594508e6c89", kill_on_drop: false }` [INFO] [stdout] 86713ce87b8d7ede50802237400ac5f3910e27656bf86da2fd1b5594508e6c89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53fcc9202ffc81f5c2ed293515a1623fe508ab3e7ceceb65954d820f41ab780d [INFO] running `Command { std: "docker" "start" "-a" "53fcc9202ffc81f5c2ed293515a1623fe508ab3e7ceceb65954d820f41ab780d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cache-padded v1.3.0 [INFO] [stderr] Checking ringbuf v0.2.8 [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 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: value assigned to `prime` is never read [INFO] [stdout] --> src/lib.rs:167:29 [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `checking` is never read [INFO] [stdout] --> src/lib.rs:169:29 [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: 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)]` 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: 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)]` 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)]` 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `prime` is never read [INFO] [stdout] --> src/lib.rs:167:29 [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `checking` is never read [INFO] [stdout] --> src/lib.rs:169:29 [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:220:17 [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:237:21 [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: 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)]` 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 3.94s [INFO] running `Command { std: "docker" "inspect" "53fcc9202ffc81f5c2ed293515a1623fe508ab3e7ceceb65954d820f41ab780d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53fcc9202ffc81f5c2ed293515a1623fe508ab3e7ceceb65954d820f41ab780d", kill_on_drop: false }` [INFO] [stdout] 53fcc9202ffc81f5c2ed293515a1623fe508ab3e7ceceb65954d820f41ab780d