[INFO] cloning repository https://github.com/Eson-Jia/minigrep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eson-Jia/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEson-Jia%2Fminigrep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEson-Jia%2Fminigrep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0cafb148d18cde9146db6937da800053d812da87 [INFO] testing Eson-Jia/minigrep against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEson-Jia%2Fminigrep" "/workspace/builds/worker-82/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Eson-Jia/minigrep on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Eson-Jia/minigrep [INFO] finished tweaking git repo https://github.com/Eson-Jia/minigrep [INFO] tweaked toml for git repo https://github.com/Eson-Jia/minigrep written to /workspace/builds/worker-82/source/Cargo.toml [INFO] crate git repo https://github.com/Eson-Jia/minigrep already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 284e0831ac5deccd12233b6bccc47a7947263dc70b55785a775afd5ba27f0ad0 [INFO] running `Command { std: "docker" "start" "-a" "284e0831ac5deccd12233b6bccc47a7947263dc70b55785a775afd5ba27f0ad0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "284e0831ac5deccd12233b6bccc47a7947263dc70b55785a775afd5ba27f0ad0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "284e0831ac5deccd12233b6bccc47a7947263dc70b55785a775afd5ba27f0ad0", kill_on_drop: false }` [INFO] [stdout] 284e0831ac5deccd12233b6bccc47a7947263dc70b55785a775afd5ba27f0ad0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d42482840b3fde259945fd346346cf6fb49a07c99438a4babd8838868ebda08f [INFO] running `Command { std: "docker" "start" "-a" "d42482840b3fde259945fd346346cf6fb49a07c99438a4babd8838868ebda08f", kill_on_drop: false }` [INFO] [stderr] Compiling minigrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `add_one` [INFO] [stdout] --> src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn add_one(origin:u32)->u32{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/bin/smart_pointer.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | Cons(u32,Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/smart_pointer.rs:36:10 [INFO] [stdout] | [INFO] [stdout] 36 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> src/bin/smart_pointer.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/smart_pointer.rs:36:10 [INFO] [stdout] | [INFO] [stdout] 36 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/bin/leetcod.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/bin/leetcod.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct Solution(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_two_numbers` [INFO] [stdout] --> src/bin/leetcod.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `constructor_list` [INFO] [stdout] --> src/bin/leetcod.rs:77:4 [INFO] [stdout] | [INFO] [stdout] 77 | fn constructor_list(data:&[i32])->Option>{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "d42482840b3fde259945fd346346cf6fb49a07c99438a4babd8838868ebda08f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d42482840b3fde259945fd346346cf6fb49a07c99438a4babd8838868ebda08f", kill_on_drop: false }` [INFO] [stdout] d42482840b3fde259945fd346346cf6fb49a07c99438a4babd8838868ebda08f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a35a065291b2961f56b28980c4de36c7947dabf4ecba1cbdfeea0c91fd10887e [INFO] running `Command { std: "docker" "start" "-a" "a35a065291b2961f56b28980c4de36c7947dabf4ecba1cbdfeea0c91fd10887e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling minigrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ListNode` [INFO] [stdout] --> src/bin/leetcod.rs:89:27 [INFO] [stdout] | [INFO] [stdout] 89 | use crate::{Solution, ListNode, constructor_list}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/bin/leetcod.rs:88:1 [INFO] [stdout] | [INFO] [stdout] 88 | mod tests{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/bin/smart_pointer_rc.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let b = Cons(3,Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/bin/smart_pointer_rc.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | let c = Cons(4, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/thread.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | / thread::spawn(move||{ [INFO] [stdout] 23 | | thread::sleep(Duration::from_secs(1)); [INFO] [stdout] 24 | | println!("{}",info.to_uppercase()); [INFO] [stdout] 25 | | }).join(); [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 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 6.25s [INFO] running `Command { std: "docker" "inspect" "a35a065291b2961f56b28980c4de36c7947dabf4ecba1cbdfeea0c91fd10887e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a35a065291b2961f56b28980c4de36c7947dabf4ecba1cbdfeea0c91fd10887e", kill_on_drop: false }` [INFO] [stdout] a35a065291b2961f56b28980c4de36c7947dabf4ecba1cbdfeea0c91fd10887e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1e9a51c701f106e5ecc8aa4a2dcf22495fb1747cced29d59288d4d18c0886584 [INFO] running `Command { std: "docker" "start" "-a" "1e9a51c701f106e5ecc8aa4a2dcf22495fb1747cced29d59288d4d18c0886584", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/bin/smart_pointer_rc.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let b = Cons(3,Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/bin/smart_pointer_rc.rs:14:17 [INFO] [stderr] | [INFO] [stderr] 14 | let c = Cons(4, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: `minigrep` (bin "smart_pointer_rc" test) generated 2 warnings [INFO] [stderr] warning: unused import: `ListNode` [INFO] [stderr] --> src/bin/leetcod.rs:89:27 [INFO] [stderr] | [INFO] [stderr] 89 | use crate::{Solution, ListNode, constructor_list}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stderr] --> src/bin/leetcod.rs:88:1 [INFO] [stderr] | [INFO] [stderr] 88 | mod tests{ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/thread.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | / thread::spawn(move||{ [INFO] [stderr] 23 | | thread::sleep(Duration::from_secs(1)); [INFO] [stderr] 24 | | println!("{}",info.to_uppercase()); [INFO] [stderr] 25 | | }).join(); [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: `minigrep` (bin "leetcod" test) generated 1 warning [INFO] [stderr] warning: `minigrep` (bin "thread" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/minigrep-c19f034ddeb387a1) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::case_insensitive ... ok [INFO] [stdout] test tests::one_result ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/closure-215119139ab2c655) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/iter-8fc2994135a88518) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcod-24097d91b69d3a90) [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_add_two_numbers ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/minigrep-01c7dafc6227276e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_add_one ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/smart_pointer-f504310fb25b2fc3) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_box ... ok [INFO] [stdout] test tests::test_pointer ... ok [INFO] [stdout] test tests::test_ref ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/smart_pointer_rc-cbcc043a82dd7d43) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_rc ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/smart_pointer_refcell-dbb02fdf0e981078) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_rc_cell ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/thread-df7fcb10af84c31e) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_thread_move ... ok [INFO] [stdout] test tests::test_tread_spawn ... ok [INFO] [stderr] Doc-tests minigrep [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.00s [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" "1e9a51c701f106e5ecc8aa4a2dcf22495fb1747cced29d59288d4d18c0886584", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e9a51c701f106e5ecc8aa4a2dcf22495fb1747cced29d59288d4d18c0886584", kill_on_drop: false }` [INFO] [stdout] 1e9a51c701f106e5ecc8aa4a2dcf22495fb1747cced29d59288d4d18c0886584