[INFO] cloning repository https://github.com/imishinist/tantivy-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imishinist/tantivy-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimishinist%2Ftantivy-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimishinist%2Ftantivy-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3de96bb3e638a387299058ff86ca60bbdaac920a
[INFO] testing imishinist/tantivy-example against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimishinist%2Ftantivy-example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imishinist/tantivy-example on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imishinist/tantivy-example
[INFO] finished tweaking git repo https://github.com/imishinist/tantivy-example
[INFO] tweaked toml for git repo https://github.com/imishinist/tantivy-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/imishinist/tantivy-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snap v1.0.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded levenshtein_automata v0.2.0
[INFO] [stderr]   Downloaded bitpacking v0.8.2
[INFO] [stderr]   Downloaded futures-io v0.3.13
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded futures-channel v0.3.13
[INFO] [stderr]   Downloaded futures-core v0.3.13
[INFO] [stderr]   Downloaded crossbeam v0.8.0
[INFO] [stderr]   Downloaded crunchy v0.2.2
[INFO] [stderr]   Downloaded futures-executor v0.3.13
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] [stderr]   Downloaded futures-macro v0.3.13
[INFO] [stderr]   Downloaded futures-util v0.3.13
[INFO] [stderr]   Downloaded futures v0.3.13
[INFO] [stderr]   Downloaded futures-task v0.3.13
[INFO] [stderr]   Downloaded lru v0.6.5
[INFO] [stderr]   Downloaded census v0.4.0
[INFO] [stderr]   Downloaded fail v0.4.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded tantivy v0.14.0
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded murmurhash32 v0.2.0
[INFO] [stderr]   Downloaded combine v4.5.2
[INFO] [stderr]   Downloaded futures-sink v0.3.13
[INFO] [stderr]   Downloaded rust-stemmers v1.2.0
[INFO] [stderr]   Downloaded syn v1.0.68
[INFO] [stderr]   Downloaded tantivy-fst v0.3.0
[INFO] [stderr]   Downloaded tantivy-query-grammar v0.14.0
[INFO] [stderr]   Downloaded libc v0.2.92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5603f8db2a5e1af28e1a6c6eb3d34778ade1216c9b36a176660eecc9b776f435
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5603f8db2a5e1af28e1a6c6eb3d34778ade1216c9b36a176660eecc9b776f435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5603f8db2a5e1af28e1a6c6eb3d34778ade1216c9b36a176660eecc9b776f435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5603f8db2a5e1af28e1a6c6eb3d34778ade1216c9b36a176660eecc9b776f435", kill_on_drop: false }`
[INFO] [stdout] 5603f8db2a5e1af28e1a6c6eb3d34778ade1216c9b36a176660eecc9b776f435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4392e765509f438f20ded091a0be3a98e9f13e75de6dd942c9245db610a6e649
[INFO] running `Command { std: "docker" "start" "-a" "4392e765509f438f20ded091a0be3a98e9f13e75de6dd942c9245db610a6e649", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling snap v1.0.4
[INFO] [stderr]    Compiling census v0.4.0
[INFO] [stderr]    Compiling levenshtein_automata v0.2.0
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling murmurhash32 v0.2.0
[INFO] [stderr]    Compiling tantivy-fst v0.3.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling combine v4.5.2
[INFO] [stderr]    Compiling bitpacking v0.8.2
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling fail v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tantivy-query-grammar v0.14.0
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rust-stemmers v1.2.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling tantivy v0.14.0
[INFO] [stderr]    Compiling tantivy-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |     for i in (0..n) {
[INFO] [stdout]    |              ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     loop {
[INFO] [stdout] 62 | |         let mut query_string = String::new();
[INFO] [stdout] 63 | |         println!("> ");
[INFO] [stdout] 64 | |         std::io::stdin()
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |         }
[INFO] [stdout] 82 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 83 | 
[INFO] [stdout] 84 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query_parser`
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let query_parser = QueryParser::for_index(&index, vec![title, body]);
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_query_parser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "4392e765509f438f20ded091a0be3a98e9f13e75de6dd942c9245db610a6e649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4392e765509f438f20ded091a0be3a98e9f13e75de6dd942c9245db610a6e649", kill_on_drop: false }`
[INFO] [stdout] 4392e765509f438f20ded091a0be3a98e9f13e75de6dd942c9245db610a6e649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9395db3a3b68be4b803f0605ed1c6415a32d030f624618eeed96cf39cd7f7299
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9395db3a3b68be4b803f0605ed1c6415a32d030f624618eeed96cf39cd7f7299", kill_on_drop: false }`
[INFO] [stderr]    Compiling tantivy-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |     for i in (0..n) {
[INFO] [stdout]    |              ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     loop {
[INFO] [stdout] 62 | |         let mut query_string = String::new();
[INFO] [stdout] 63 | |         println!("> ");
[INFO] [stdout] 64 | |         std::io::stdin()
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |         }
[INFO] [stdout] 82 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 83 | 
[INFO] [stdout] 84 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query_parser`
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let query_parser = QueryParser::for_index(&index, vec![title, body]);
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_query_parser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "9395db3a3b68be4b803f0605ed1c6415a32d030f624618eeed96cf39cd7f7299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9395db3a3b68be4b803f0605ed1c6415a32d030f624618eeed96cf39cd7f7299", kill_on_drop: false }`
[INFO] [stdout] 9395db3a3b68be4b803f0605ed1c6415a32d030f624618eeed96cf39cd7f7299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cea947717f70f909774b234fce6f828ece7758722f675bd2e31fb4087b610ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4cea947717f70f909774b234fce6f828ece7758722f675bd2e31fb4087b610ad", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:37:14
[INFO] [stderr]    |
[INFO] [stderr] 37 |     for i in (0..n) {
[INFO] [stderr]    |              ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     loop {
[INFO] [stderr] 62 | |         let mut query_string = String::new();
[INFO] [stderr] 63 | |         println!("> ");
[INFO] [stderr] 64 | |         std::io::stdin()
[INFO] [stderr] ...  |
[INFO] [stderr] 81 | |         }
[INFO] [stderr] 82 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 83 | 
[INFO] [stderr] 84 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `query_parser`
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let query_parser = QueryParser::for_index(&index, vec![title, body]);
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_query_parser`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tantivy-example` (bin "tantivy-example" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tantivy_example-d8189e00d7fccdae)
[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" "4cea947717f70f909774b234fce6f828ece7758722f675bd2e31fb4087b610ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cea947717f70f909774b234fce6f828ece7758722f675bd2e31fb4087b610ad", kill_on_drop: false }`
[INFO] [stdout] 4cea947717f70f909774b234fce6f828ece7758722f675bd2e31fb4087b610ad