[INFO] updating cached repository https://github.com/b-fuze/naive-sorting [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] 7b8ec7d010f5174e73aa2c36161f003191dd3e43 [INFO] checking b-fuze/naive-sorting against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-fuze%2Fnaive-sorting" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/b-fuze/naive-sorting on toolchain d7b51666469c792a8a3f40849607739bae1e705e [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/b-fuze/naive-sorting [INFO] finished tweaking git repo https://github.com/b-fuze/naive-sorting [INFO] tweaked toml for git repo https://github.com/b-fuze/naive-sorting written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/b-fuze/naive-sorting already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 2b68a9a33f68aa390a80a06bbb342a6f5752fb08b60a83e8e549f3edaef88a88 [INFO] running `"docker" "start" "-a" "2b68a9a33f68aa390a80a06bbb342a6f5752fb08b60a83e8e549f3edaef88a88"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking sorting v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `rand::prelude::*` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use rand::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::prelude::*` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use rand::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `sort` is never read [INFO] [stderr] --> src/main.rs:275:13 [INFO] [stderr] | [INFO] [stderr] 275 | let mut sort: Option> = None; [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: unused variable: `orig_a_start` [INFO] [stderr] --> src/main.rs:171:13 [INFO] [stderr] | [INFO] [stderr] 171 | let mut orig_a_start = a_start; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orig_a_start` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `orig_a_length` [INFO] [stderr] --> src/main.rs:172:13 [INFO] [stderr] | [INFO] [stderr] 172 | let mut orig_a_length = a_length; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orig_a_length` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `items_mut` [INFO] [stderr] --> src/main.rs:199:13 [INFO] [stderr] | [INFO] [stderr] 199 | let items_mut = self.get_vec_mut(); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_items_mut` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `source` is never read [INFO] [stderr] --> src/main.rs:236:13 [INFO] [stderr] | [INFO] [stderr] 236 | let mut source: &mut Vec = &mut vec![]; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [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/main.rs:171:13 [INFO] [stderr] | [INFO] [stderr] 171 | let mut orig_a_start = a_start; [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/main.rs:172:13 [INFO] [stderr] | [INFO] [stderr] 172 | let mut orig_a_length = a_length; [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/main.rs:173:13 [INFO] [stderr] | [INFO] [stderr] 173 | let mut orig_b_start = b_start; [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/main.rs:174:13 [INFO] [stderr] | [INFO] [stderr] 174 | let mut orig_b_length = b_length; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: value assigned to `sort` is never read [INFO] [stderr] --> src/main.rs:275:13 [INFO] [stderr] | [INFO] [stderr] 275 | let mut sort: Option> = None; [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: unused variable: `orig_a_start` [INFO] [stderr] --> src/main.rs:171:13 [INFO] [stderr] | [INFO] [stderr] 171 | let mut orig_a_start = a_start; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orig_a_start` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `orig_a_length` [INFO] [stderr] --> src/main.rs:172:13 [INFO] [stderr] | [INFO] [stderr] 172 | let mut orig_a_length = a_length; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orig_a_length` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `items_mut` [INFO] [stderr] --> src/main.rs:199:13 [INFO] [stderr] | [INFO] [stderr] 199 | let items_mut = self.get_vec_mut(); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_items_mut` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `source` is never read [INFO] [stderr] --> src/main.rs:236:13 [INFO] [stderr] | [INFO] [stderr] 236 | let mut source: &mut Vec = &mut vec![]; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [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/main.rs:171:13 [INFO] [stderr] | [INFO] [stderr] 171 | let mut orig_a_start = a_start; [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/main.rs:172:13 [INFO] [stderr] | [INFO] [stderr] 172 | let mut orig_a_length = a_length; [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/main.rs:173:13 [INFO] [stderr] | [INFO] [stderr] 173 | let mut orig_b_start = b_start; [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/main.rs:174:13 [INFO] [stderr] | [INFO] [stderr] 174 | let mut orig_b_length = b_length; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.56s [INFO] running `"docker" "inspect" "2b68a9a33f68aa390a80a06bbb342a6f5752fb08b60a83e8e549f3edaef88a88"` [INFO] running `"docker" "rm" "-f" "2b68a9a33f68aa390a80a06bbb342a6f5752fb08b60a83e8e549f3edaef88a88"` [INFO] [stdout] 2b68a9a33f68aa390a80a06bbb342a6f5752fb08b60a83e8e549f3edaef88a88