[INFO] cloning repository https://github.com/ahaggi/rust_kattis_6.8_zero_one_sequences [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahaggi/rust_kattis_6.8_zero_one_sequences" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahaggi%2Frust_kattis_6.8_zero_one_sequences", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahaggi%2Frust_kattis_6.8_zero_one_sequences'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0c4ba07d03c54579be118c03d9e8bff331ba1629 [INFO] building ahaggi/rust_kattis_6.8_zero_one_sequences against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahaggi%2Frust_kattis_6.8_zero_one_sequences" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ahaggi/rust_kattis_6.8_zero_one_sequences on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ahaggi/rust_kattis_6.8_zero_one_sequences [INFO] finished tweaking git repo https://github.com/ahaggi/rust_kattis_6.8_zero_one_sequences [INFO] tweaked toml for git repo https://github.com/ahaggi/rust_kattis_6.8_zero_one_sequences written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ahaggi/rust_kattis_6.8_zero_one_sequences 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb72b9bb0d590d8d96cfd5f2b841d5906003e3d6862754f354aad83db615d1be [INFO] running `Command { std: "docker" "start" "-a" "fb72b9bb0d590d8d96cfd5f2b841d5906003e3d6862754f354aad83db615d1be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb72b9bb0d590d8d96cfd5f2b841d5906003e3d6862754f354aad83db615d1be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb72b9bb0d590d8d96cfd5f2b841d5906003e3d6862754f354aad83db615d1be", kill_on_drop: false }` [INFO] [stdout] fb72b9bb0d590d8d96cfd5f2b841d5906003e3d6862754f354aad83db615d1be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94eebc426a016fdfefd174e8ccc9ce9fe52d7cfaaa17de024a8eb1c18e94bcbb [INFO] running `Command { std: "docker" "start" "-a" "94eebc426a016fdfefd174e8ccc9ce9fe52d7cfaaa17de024a8eb1c18e94bcbb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling zero_one_sequences v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/all_the_solutions.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/all_the_solutions.rs:116:22 [INFO] [stdout] | [INFO] [stdout] 116 | mult((k) , get_2_pow_k(k - 1)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 116 - mult((k) , get_2_pow_k(k - 1)) [INFO] [stdout] 116 + mult(k , get_2_pow_k(k - 1)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/all_the_solutions.rs:200:32 [INFO] [stdout] | [INFO] [stdout] 200 | let mut i: usize = (old_len); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 200 - let mut i: usize = (old_len); [INFO] [stdout] 200 + let mut i: usize = old_len; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/all_the_solutions.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | for i in 0..10000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/all_the_solutions.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut a:u64 = a as u64; [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: variable does not need to be mutable [INFO] [stdout] --> src/all_the_solutions.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | let mut b:u64 = b as u64; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `nr_of_inversion` is never read [INFO] [stdout] --> src/all_the_solutions.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | let mut nr_of_inversion: u64 = 0; [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 `nr_of_inversion` is never read [INFO] [stdout] --> src/all_the_solutions.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | let mut nr_of_inversion: u64 = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_test_text` is never used [INFO] [stdout] --> src/all_the_solutions.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn generate_test_text() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sol_alt` is never used [INFO] [stdout] --> src/all_the_solutions.rs:170:4 [INFO] [stdout] | [INFO] [stdout] 170 | fn sol_alt(text: &str) -> i64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s [INFO] running `Command { std: "docker" "inspect" "94eebc426a016fdfefd174e8ccc9ce9fe52d7cfaaa17de024a8eb1c18e94bcbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94eebc426a016fdfefd174e8ccc9ce9fe52d7cfaaa17de024a8eb1c18e94bcbb", kill_on_drop: false }` [INFO] [stdout] 94eebc426a016fdfefd174e8ccc9ce9fe52d7cfaaa17de024a8eb1c18e94bcbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9fb722473d5c100d12f31ae407f2090c6ff76e150c329c03ee7035a5526c5a4 [INFO] running `Command { std: "docker" "start" "-a" "c9fb722473d5c100d12f31ae407f2090c6ff76e150c329c03ee7035a5526c5a4", kill_on_drop: false }` [INFO] [stderr] Compiling zero_one_sequences v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/all_the_solutions.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/all_the_solutions.rs:116:22 [INFO] [stdout] | [INFO] [stdout] 116 | mult((k) , get_2_pow_k(k - 1)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 116 - mult((k) , get_2_pow_k(k - 1)) [INFO] [stdout] 116 + mult(k , get_2_pow_k(k - 1)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/all_the_solutions.rs:200:32 [INFO] [stdout] | [INFO] [stdout] 200 | let mut i: usize = (old_len); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 200 - let mut i: usize = (old_len); [INFO] [stdout] 200 + let mut i: usize = old_len; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/all_the_solutions.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | for i in 0..10000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/all_the_solutions.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut a:u64 = a as u64; [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: variable does not need to be mutable [INFO] [stdout] --> src/all_the_solutions.rs:72:13 [INFO] [stdout] | [INFO] [stdout] 72 | let mut b:u64 = b as u64; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `nr_of_inversion` is never read [INFO] [stdout] --> src/all_the_solutions.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | let mut nr_of_inversion: u64 = 0; [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 `nr_of_inversion` is never read [INFO] [stdout] --> src/all_the_solutions.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | let mut nr_of_inversion: u64 = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_test_text` is never used [INFO] [stdout] --> src/all_the_solutions.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn generate_test_text() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sol_alt` is never used [INFO] [stdout] --> src/all_the_solutions.rs:170:4 [INFO] [stdout] | [INFO] [stdout] 170 | fn sol_alt(text: &str) -> i64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "c9fb722473d5c100d12f31ae407f2090c6ff76e150c329c03ee7035a5526c5a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9fb722473d5c100d12f31ae407f2090c6ff76e150c329c03ee7035a5526c5a4", kill_on_drop: false }` [INFO] [stdout] c9fb722473d5c100d12f31ae407f2090c6ff76e150c329c03ee7035a5526c5a4