[INFO] cloning repository https://github.com/chakflying/CS3700-Project4 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chakflying/CS3700-Project4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchakflying%2FCS3700-Project4"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchakflying%2FCS3700-Project4'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cfde5195047ae70e77b3beb6bff5d9b760e3f0c1 [INFO] testing chakflying/CS3700-Project4 against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchakflying%2FCS3700-Project4" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chakflying/CS3700-Project4 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/chakflying/CS3700-Project4 [INFO] finished tweaking git repo https://github.com/chakflying/CS3700-Project4 [INFO] tweaked toml for git repo https://github.com/chakflying/CS3700-Project4 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/chakflying/CS3700-Project4 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 06e3a0d2cbcfd26f6e719b04b78439ca983491300540ad67206af0a5d1a5e796 [INFO] running `"docker" "start" "-a" "06e3a0d2cbcfd26f6e719b04b78439ca983491300540ad67206af0a5d1a5e796"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling futf v0.1.4 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling tendril v0.4.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling chrono v0.4.9 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling pretty_env_logger v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling html5ever v0.23.0 [INFO] [stderr] Compiling markup5ever v0.8.1 [INFO] [stderr] Compiling PROJECT4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `Duration`, `Instant` [INFO] [stderr] --> src/bin/webcrawler.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::repeat` [INFO] [stderr] --> src/bin/webcrawler.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::iter::repeat; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/bin/webcrawler.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | #[macro_use] extern crate html5ever; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SerializeOpts`, `serialize` [INFO] [stderr] --> src/bin/webcrawler.rs:18:28 [INFO] [stderr] | [INFO] [stderr] 18 | use html5ever::serialize::{SerializeOpts, serialize}; [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::panic::resume_unwind` [INFO] [stderr] --> src/bin/webcrawler.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::panic::resume_unwind; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/bin/webcrawler.rs:215:13 [INFO] [stderr] | [INFO] [stderr] 215 | ref name, [INFO] [stderr] | ^^^^^^^^ help: try ignoring the field: `name: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `got` [INFO] [stderr] --> src/bin/webcrawler.rs:394:16 [INFO] [stderr] | [INFO] [stderr] 394 | for (flag, got) in flags.iter() { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_got` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `body` [INFO] [stderr] --> src/bin/webcrawler.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut body = String::new(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `content_bytes` [INFO] [stderr] --> src/bin/webcrawler.rs:83:13 [INFO] [stderr] | [INFO] [stderr] 83 | let mut content_bytes = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_bytes` [INFO] [stderr] [INFO] [stderr] warning: variable `input_s2` is assigned to, but never used [INFO] [stderr] --> src/bin/webcrawler.rs:133:17 [INFO] [stderr] | [INFO] [stderr] 133 | let input_s2; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_input_s2` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `input_s2` is never read [INFO] [stderr] --> src/bin/webcrawler.rs:137:17 [INFO] [stderr] | [INFO] [stderr] 137 | input_s2 = String::from_utf8_unchecked(buf); [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: variable does not need to be mutable [INFO] [stderr] --> src/bin/webcrawler.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut body = String::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: variable does not need to be mutable [INFO] [stderr] --> src/bin/webcrawler.rs:83:13 [INFO] [stderr] | [INFO] [stderr] 83 | let mut content_bytes = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/webcrawler.rs:353:13 [INFO] [stderr] | [INFO] [stderr] 353 | let mut response = Response::decode(buf, &mut stream); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 06s [INFO] running `"docker" "inspect" "06e3a0d2cbcfd26f6e719b04b78439ca983491300540ad67206af0a5d1a5e796"` [INFO] running `"docker" "rm" "-f" "06e3a0d2cbcfd26f6e719b04b78439ca983491300540ad67206af0a5d1a5e796"` [INFO] [stdout] 06e3a0d2cbcfd26f6e719b04b78439ca983491300540ad67206af0a5d1a5e796 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6be347c14c2557c2403e4e49ba5eee56e7f32b1129159ff9e68f63022e7a86d0 [INFO] running `"docker" "start" "-a" "6be347c14c2557c2403e4e49ba5eee56e7f32b1129159ff9e68f63022e7a86d0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling PROJECT4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `Duration`, `Instant` [INFO] [stderr] --> src/bin/webcrawler.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::repeat` [INFO] [stderr] --> src/bin/webcrawler.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::iter::repeat; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/bin/webcrawler.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | #[macro_use] extern crate html5ever; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SerializeOpts`, `serialize` [INFO] [stderr] --> src/bin/webcrawler.rs:18:28 [INFO] [stderr] | [INFO] [stderr] 18 | use html5ever::serialize::{SerializeOpts, serialize}; [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::panic::resume_unwind` [INFO] [stderr] --> src/bin/webcrawler.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::panic::resume_unwind; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/bin/webcrawler.rs:215:13 [INFO] [stderr] | [INFO] [stderr] 215 | ref name, [INFO] [stderr] | ^^^^^^^^ help: try ignoring the field: `name: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `got` [INFO] [stderr] --> src/bin/webcrawler.rs:394:16 [INFO] [stderr] | [INFO] [stderr] 394 | for (flag, got) in flags.iter() { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_got` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `body` [INFO] [stderr] --> src/bin/webcrawler.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut body = String::new(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `content_bytes` [INFO] [stderr] --> src/bin/webcrawler.rs:83:13 [INFO] [stderr] | [INFO] [stderr] 83 | let mut content_bytes = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_bytes` [INFO] [stderr] [INFO] [stderr] warning: variable `input_s2` is assigned to, but never used [INFO] [stderr] --> src/bin/webcrawler.rs:133:17 [INFO] [stderr] | [INFO] [stderr] 133 | let input_s2; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_input_s2` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `input_s2` is never read [INFO] [stderr] --> src/bin/webcrawler.rs:137:17 [INFO] [stderr] | [INFO] [stderr] 137 | input_s2 = String::from_utf8_unchecked(buf); [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: variable does not need to be mutable [INFO] [stderr] --> src/bin/webcrawler.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut body = String::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: variable does not need to be mutable [INFO] [stderr] --> src/bin/webcrawler.rs:83:13 [INFO] [stderr] | [INFO] [stderr] 83 | let mut content_bytes = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/webcrawler.rs:353:13 [INFO] [stderr] | [INFO] [stderr] 353 | let mut response = Response::decode(buf, &mut stream); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `"docker" "inspect" "6be347c14c2557c2403e4e49ba5eee56e7f32b1129159ff9e68f63022e7a86d0"` [INFO] running `"docker" "rm" "-f" "6be347c14c2557c2403e4e49ba5eee56e7f32b1129159ff9e68f63022e7a86d0"` [INFO] [stdout] 6be347c14c2557c2403e4e49ba5eee56e7f32b1129159ff9e68f63022e7a86d0 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6d63a21306260d70bbefd23b0fb90cf7a296c62e9f81bf6b7457a7ebf4fb7052 [INFO] running `"docker" "start" "-a" "6d63a21306260d70bbefd23b0fb90cf7a296c62e9f81bf6b7457a7ebf4fb7052"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused imports: `Duration`, `Instant` [INFO] [stderr] --> src/bin/webcrawler.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::repeat` [INFO] [stderr] --> src/bin/webcrawler.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::iter::repeat; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/bin/webcrawler.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | #[macro_use] extern crate html5ever; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SerializeOpts`, `serialize` [INFO] [stderr] --> src/bin/webcrawler.rs:18:28 [INFO] [stderr] | [INFO] [stderr] 18 | use html5ever::serialize::{SerializeOpts, serialize}; [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::panic::resume_unwind` [INFO] [stderr] --> src/bin/webcrawler.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::panic::resume_unwind; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/bin/webcrawler.rs:215:13 [INFO] [stderr] | [INFO] [stderr] 215 | ref name, [INFO] [stderr] | ^^^^^^^^ help: try ignoring the field: `name: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `got` [INFO] [stderr] --> src/bin/webcrawler.rs:394:16 [INFO] [stderr] | [INFO] [stderr] 394 | for (flag, got) in flags.iter() { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_got` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `body` [INFO] [stderr] --> src/bin/webcrawler.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut body = String::new(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `content_bytes` [INFO] [stderr] --> src/bin/webcrawler.rs:83:13 [INFO] [stderr] | [INFO] [stderr] 83 | let mut content_bytes = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_bytes` [INFO] [stderr] [INFO] [stderr] warning: variable `input_s2` is assigned to, but never used [INFO] [stderr] --> src/bin/webcrawler.rs:133:17 [INFO] [stderr] | [INFO] [stderr] 133 | let input_s2; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_input_s2` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `input_s2` is never read [INFO] [stderr] --> src/bin/webcrawler.rs:137:17 [INFO] [stderr] | [INFO] [stderr] 137 | input_s2 = String::from_utf8_unchecked(buf); [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: variable does not need to be mutable [INFO] [stderr] --> src/bin/webcrawler.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut body = String::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: variable does not need to be mutable [INFO] [stderr] --> src/bin/webcrawler.rs:83:13 [INFO] [stderr] | [INFO] [stderr] 83 | let mut content_bytes = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/webcrawler.rs:353:13 [INFO] [stderr] | [INFO] [stderr] 353 | let mut response = Response::decode(buf, &mut stream); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.53s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/webcrawler-41887a0e5a7935df [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "6d63a21306260d70bbefd23b0fb90cf7a296c62e9f81bf6b7457a7ebf4fb7052"` [INFO] running `"docker" "rm" "-f" "6d63a21306260d70bbefd23b0fb90cf7a296c62e9f81bf6b7457a7ebf4fb7052"` [INFO] [stdout] 6d63a21306260d70bbefd23b0fb90cf7a296c62e9f81bf6b7457a7ebf4fb7052