[INFO] updating cached repository https://github.com/TheRealBluesun/novimem
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a8c998ffe5b310ed91c89f8caac9c99345e1604
[INFO] checking TheRealBluesun/novimem against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRealBluesun%2Fnovimem" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheRealBluesun/novimem on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TheRealBluesun/novimem
[INFO] finished tweaking git repo https://github.com/TheRealBluesun/novimem
[INFO] tweaked toml for git repo https://github.com/TheRealBluesun/novimem written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/TheRealBluesun/novimem already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7bcc8007ea2fe6cb2a56a8d386adf672abc62a09df5bf87452622863c8064e83
[INFO] running `"docker" "start" "-a" "7bcc8007ea2fe6cb2a56a8d386adf672abc62a09df5bf87452622863c8064e83"`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking png v0.15.1
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking rayon-core v1.6.1
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking novimem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `GenericImage`, `RgbImage`
[INFO] [stderr]  --> src/novimem/mem_image.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage};
[INFO] [stderr]   |             ^^^^^^^^^^^^                                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `from_str`, `to_string`
[INFO] [stderr]  --> src/novimem/mod.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde_json::{from_str, to_string};
[INFO] [stderr]   |                  ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImage`, `RgbImage`
[INFO] [stderr]  --> src/novimem/mem_image.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage};
[INFO] [stderr]   |             ^^^^^^^^^^^^                                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `from_str`, `to_string`
[INFO] [stderr]  --> src/novimem/mod.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde_json::{from_str, to_string};
[INFO] [stderr]   |                  ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImageView`
[INFO] [stderr]  --> src/novimem/mem_image.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]   --> src/novimem/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use rayon::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/novimem/mod.rs:299:39
[INFO] [stderr]     |
[INFO] [stderr] 299 |                         .filter_map(|(i, (a, v))| {
[INFO] [stderr]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImageView`
[INFO] [stderr]  --> src/novimem/mem_image.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]   --> src/novimem/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use rayon::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/novimem/mod.rs:299:39
[INFO] [stderr]     |
[INFO] [stderr] 299 |                         .filter_map(|(i, (a, v))| {
[INFO] [stderr]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:248:21
[INFO] [stderr]     |
[INFO] [stderr] 248 |         if let Some(mut procs) = ProcSearch::search(search_str) {
[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] error[E0502]: cannot borrow `m` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/main.rs:308:5
[INFO] [stderr]     |
[INFO] [stderr] 301 |     let old_results = m.results();
[INFO] [stderr]     |                       - immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 308 |     m.clear_results();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 313 |         assert!(old_results.contains(result));
[INFO] [stderr]     |                 ----------- immutable borrow later captured here by closure
[INFO] [stderr] 
[INFO] [stderr] error[E0502]: cannot borrow `m` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/main.rs:309:5
[INFO] [stderr]     |
[INFO] [stderr] 301 |     let old_results = m.results();
[INFO] [stderr]     |                       - immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 309 |     m.search(&newval.to_le_bytes());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 313 |         assert!(old_results.contains(result));
[INFO] [stderr]     |                 ----------- immutable borrow later captured here by closure
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0502`.
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:248:21
[INFO] [stderr]     |
[INFO] [stderr] 248 |         if let Some(mut procs) = ProcSearch::search(search_str) {
[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] error: could not compile `novimem`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: method is never used: `dump_to_file`
[INFO] [stderr]   --> src/novimem/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn dump_to_file(&self, buf: &[u8]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7bcc8007ea2fe6cb2a56a8d386adf672abc62a09df5bf87452622863c8064e83"`
[INFO] running `"docker" "rm" "-f" "7bcc8007ea2fe6cb2a56a8d386adf672abc62a09df5bf87452622863c8064e83"`
[INFO] [stdout] 7bcc8007ea2fe6cb2a56a8d386adf672abc62a09df5bf87452622863c8064e83
