[INFO] cloning repository https://github.com/Travispersson/word-counter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Travispersson/word-counter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTravispersson%2Fword-counter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTravispersson%2Fword-counter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d06397a739c99b6c82b61b0d8cbc42c27061cb9 [INFO] testing Travispersson/word-counter against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTravispersson%2Fword-counter" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Travispersson/word-counter on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Travispersson/word-counter [INFO] finished tweaking git repo https://github.com/Travispersson/word-counter [INFO] tweaked toml for git repo https://github.com/Travispersson/word-counter written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/Travispersson/word-counter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ed9c05b8065b8c285e2438ab53798f7b16e96d93e0c8375f71dddf49d65d550 [INFO] running `Command { std: "docker" "start" "-a" "7ed9c05b8065b8c285e2438ab53798f7b16e96d93e0c8375f71dddf49d65d550", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ed9c05b8065b8c285e2438ab53798f7b16e96d93e0c8375f71dddf49d65d550", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ed9c05b8065b8c285e2438ab53798f7b16e96d93e0c8375f71dddf49d65d550", kill_on_drop: false }` [INFO] [stdout] 7ed9c05b8065b8c285e2438ab53798f7b16e96d93e0c8375f71dddf49d65d550 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f9502f55164099ec326e18cd70108f244c1b912f32f6ac2b4a8f0813c14cc09 [INFO] running `Command { std: "docker" "start" "-a" "8f9502f55164099ec326e18cd70108f244c1b912f32f6ac2b4a8f0813c14cc09", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling word_count v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | std::mem::replace(&mut self.buckets, new_buckets); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*ht` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 8 | if let Some(val) = ht.lookup(&w_string) { [INFO] [stdout] | -------------------- immutable borrow occurs here [INFO] [stdout] 9 | ht.insert(w_string, val + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^---^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/lib.rs:69:16 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn remove(&mut self, key: &K) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/lib.rs:105:16 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/lib.rs:109:16 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | std::mem::replace(&mut self.buckets, new_buckets); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.36s [INFO] running `Command { std: "docker" "inspect" "8f9502f55164099ec326e18cd70108f244c1b912f32f6ac2b4a8f0813c14cc09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f9502f55164099ec326e18cd70108f244c1b912f32f6ac2b4a8f0813c14cc09", kill_on_drop: false }` [INFO] [stdout] 8f9502f55164099ec326e18cd70108f244c1b912f32f6ac2b4a8f0813c14cc09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 832c0181c5dc008fa2b6eba4729d3b6b0f73fbf3b063ca181ad6f3dcc6d7858b [INFO] running `Command { std: "docker" "start" "-a" "832c0181c5dc008fa2b6eba4729d3b6b0f73fbf3b063ca181ad6f3dcc6d7858b", kill_on_drop: false }` [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | std::mem::replace(&mut self.buckets, new_buckets); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling word_count v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*ht` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 8 | if let Some(val) = ht.lookup(&w_string) { [INFO] [stdout] | -------------------- immutable borrow occurs here [INFO] [stdout] 9 | ht.insert(w_string, val + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^---^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/lib.rs:109:16 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | std::mem::replace(&mut self.buckets, new_buckets); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | std::mem::replace(&mut self.buckets, new_buckets); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/word_count-66d3061bdf8f8f5d) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/word_count-aa664b2603e4fa60) [INFO] running `Command { std: "docker" "inspect" "832c0181c5dc008fa2b6eba4729d3b6b0f73fbf3b063ca181ad6f3dcc6d7858b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "832c0181c5dc008fa2b6eba4729d3b6b0f73fbf3b063ca181ad6f3dcc6d7858b", kill_on_drop: false }` [INFO] [stdout] 832c0181c5dc008fa2b6eba4729d3b6b0f73fbf3b063ca181ad6f3dcc6d7858b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1562b04bfddf1f2064d84183be9835c878444fbe7f01f52b54daa3ae1f70cfb2 [INFO] running `Command { std: "docker" "start" "-a" "1562b04bfddf1f2064d84183be9835c878444fbe7f01f52b54daa3ae1f70cfb2", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] running 7 tests [INFO] [stderr] --> src/lib.rs:66:13 [INFO] [stdout] test tests::ht_get_pairs_empty_test ... ok [INFO] [stderr] | [INFO] [stdout] test tests::ht_get_pairs_test ... ok [INFO] [stderr] 66 | std::mem::replace(&mut self.buckets, new_buckets); [INFO] [stdout] test tests::ht_remove_test ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] test tests::ht_resize_test ... ok [INFO] [stderr] | [INFO] [stdout] test tests::insert_ht_test ... ok [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] test tests::lookup_ht_test ... ok [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] test tests::str_cutter_test ... ok [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: `word_count` (lib) generated 1 warning [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] warning: `word_count` (lib test) generated 1 warning (1 duplicate) [INFO] [stdout] [INFO] [stderr] warning: cannot borrow `*ht` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 8 | if let Some(val) = ht.lookup(&w_string) { [INFO] [stderr] | -------------------- immutable borrow occurs here [INFO] [stderr] 9 | ht.insert(w_string, val + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^---^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow later used here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/lib.rs:109:16 [INFO] [stderr] | [INFO] [stderr] 109 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `word_count` (bin "word_count" test) generated 3 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/word_count-66d3061bdf8f8f5d) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/word_count-aa664b2603e4fa60) [INFO] [stdout] running 7 tests [INFO] [stderr] Doc-tests word_count [INFO] [stdout] test lib::tests::ht_get_pairs_empty_test ... ok [INFO] [stdout] test lib::tests::ht_get_pairs_test ... ok [INFO] [stdout] test lib::tests::ht_remove_test ... ok [INFO] [stdout] test lib::tests::ht_resize_test ... ok [INFO] [stdout] test lib::tests::insert_ht_test ... ok [INFO] [stdout] test lib::tests::lookup_ht_test ... ok [INFO] [stdout] test lib::tests::str_cutter_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1562b04bfddf1f2064d84183be9835c878444fbe7f01f52b54daa3ae1f70cfb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1562b04bfddf1f2064d84183be9835c878444fbe7f01f52b54daa3ae1f70cfb2", kill_on_drop: false }` [INFO] [stdout] 1562b04bfddf1f2064d84183be9835c878444fbe7f01f52b54daa3ae1f70cfb2