[INFO] cloning repository https://github.com/Kelerchian/expr-bcrypt-qthreaded [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kelerchian/expr-bcrypt-qthreaded" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelerchian%2Fexpr-bcrypt-qthreaded"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelerchian%2Fexpr-bcrypt-qthreaded'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f52b332ca4dc317df2f202fbe9fb52f7cc0ec058 [INFO] checking Kelerchian/expr-bcrypt-qthreaded against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelerchian%2Fexpr-bcrypt-qthreaded" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Kelerchian/expr-bcrypt-qthreaded on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Kelerchian/expr-bcrypt-qthreaded [INFO] finished tweaking git repo https://github.com/Kelerchian/expr-bcrypt-qthreaded [INFO] tweaked toml for git repo https://github.com/Kelerchian/expr-bcrypt-qthreaded written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/Kelerchian/expr-bcrypt-qthreaded already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] b4eb2675eecd5a5fb99e8b7439b590491b4516dc4d56e044c298d19316deaf25 [INFO] running `"docker" "start" "-a" "b4eb2675eecd5a5fb99e8b7439b590491b4516dc4d56e044c298d19316deaf25"` [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking base64 v0.12.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking block-cipher-trait v0.6.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking blowfish v0.4.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking random-integer v1.1.1 [INFO] [stderr] Checking bcrypt v0.6.2 [INFO] [stderr] Checking random-pick v1.2.8 [INFO] [stderr] Checking passwords v3.0.0 [INFO] [stderr] Checking expr-bcrypt-qthreaded v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Receiver` [INFO] [stderr] --> src/bcrypt_example/qthreaded.rs:10:23 [INFO] [stderr] | [INFO] [stderr] 10 | use std::sync::mpsc::{Receiver, Sender}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Receiver` [INFO] [stderr] --> src/bcrypt_example/qthreaded.rs:10:23 [INFO] [stderr] | [INFO] [stderr] 10 | use std::sync::mpsc::{Receiver, Sender}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/bcrypt_example/qthreaded.rs:68:13 [INFO] [stderr] | [INFO] [stderr] 68 | for i in 0..*worker_num { [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 variable: `e` [INFO] [stderr] --> src/bcrypt_example/batched.rs:56:25 [INFO] [stderr] | [INFO] [stderr] 56 | Err(e) => String::from("hash-failed"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `results` [INFO] [stderr] --> src/bcrypt_example/batched.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | let results = join_handles [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bcrypt_example/qthreaded.rs:125:9 [INFO] [stderr] | [INFO] [stderr] 125 | let mut lines_iter = BufReader::new(&in_file).lines(); [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: unused variable: `i` [INFO] [stderr] --> src/bcrypt_example/qthreaded.rs:68:13 [INFO] [stderr] | [INFO] [stderr] 68 | for i in 0..*worker_num { [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 variable: `e` [INFO] [stderr] --> src/bcrypt_example/batched.rs:56:25 [INFO] [stderr] | [INFO] [stderr] 56 | Err(e) => String::from("hash-failed"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `results` [INFO] [stderr] --> src/bcrypt_example/batched.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | let results = join_handles [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bcrypt_example/qthreaded.rs:125:9 [INFO] [stderr] | [INFO] [stderr] 125 | let mut lines_iter = BufReader::new(&in_file).lines(); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bcrypt_example/qthreaded.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | self.tx.send(None); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bcrypt_example/batched.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | out_file.write(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bcrypt_example/qthreaded.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | self.tx.send(None); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bcrypt_example/batched.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | out_file.write(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.63s [INFO] running `"docker" "inspect" "b4eb2675eecd5a5fb99e8b7439b590491b4516dc4d56e044c298d19316deaf25"` [INFO] running `"docker" "rm" "-f" "b4eb2675eecd5a5fb99e8b7439b590491b4516dc4d56e044c298d19316deaf25"` [INFO] [stdout] b4eb2675eecd5a5fb99e8b7439b590491b4516dc4d56e044c298d19316deaf25