[INFO] cloning repository https://github.com/Mang-Joo/trie_searching
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mang-Joo/trie_searching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMang-Joo%2Ftrie_searching", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73ac750f98d9e0accde3023753c69f93609f69fd
[INFO] testing Mang-Joo/trie_searching against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMang-Joo%2Ftrie_searching" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Mang-Joo/trie_searching
[INFO] finished tweaking git repo https://github.com/Mang-Joo/trie_searching
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[INFO] validating manifest of git repo https://github.com/Mang-Joo/trie_searching on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mang-Joo/trie_searching already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tries-suggest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tries::Trie`
[INFO] [stdout]  --> src/domain/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use tries::Trie;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `starts_with` is never used
[INFO] [stdout]   --> src/domain/tries.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Trie {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn starts_with(&self, prefix: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_by_prefix` and `get_frequency` are never used
[INFO] [stdout]    --> src/repository/mongodb.rs:104:18
[INFO] [stdout]     |
[INFO] [stdout]  55 | impl MongoRepository {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub async fn find_by_prefix(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub async fn get_frequency(&self, term: &str) -> Result<Option<u64>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `delete` and `exists` are never used
[INFO] [stdout]    --> src/repository/redis.rs:64:18
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl RedisRepository {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub async fn delete(&self, key: &str) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub async fn exists(&self, key: &str) -> Result<bool> {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `starts_with` is never used
[INFO] [stdout]    --> src/service/suggestion.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl SuggestionService {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn starts_with(&self, prefix: &str) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.57s
[INFO] running `Command { std: "docker" "inspect" "5ad5d65071929691220377e2c9127f3c5819aac6e3856a0f28de10a371c811bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad5d65071929691220377e2c9127f3c5819aac6e3856a0f28de10a371c811bf", kill_on_drop: false }`
[INFO] [stdout] 5ad5d65071929691220377e2c9127f3c5819aac6e3856a0f28de10a371c811bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29a432ebeff2d752ac8e4153d7c0ed7fb6c55d6aaa7181c64a773088a7236269
[INFO] running `Command { std: "docker" "start" "-a" "29a432ebeff2d752ac8e4153d7c0ed7fb6c55d6aaa7181c64a773088a7236269", kill_on_drop: false }`
[INFO] [stderr]    Compiling tries-suggest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tries::Trie`
[INFO] [stdout]  --> src/domain/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use tries::Trie;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_by_prefix` and `get_frequency` are never used
[INFO] [stdout]    --> src/repository/mongodb.rs:104:18
[INFO] [stdout]     |
[INFO] [stdout]  55 | impl MongoRepository {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub async fn find_by_prefix(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub async fn get_frequency(&self, term: &str) -> Result<Option<u64>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `delete` and `exists` are never used
[INFO] [stdout]    --> src/repository/redis.rs:64:18
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl RedisRepository {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub async fn delete(&self, key: &str) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub async fn exists(&self, key: &str) -> Result<bool> {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `starts_with` is never used
[INFO] [stdout]    --> src/service/suggestion.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl SuggestionService {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn starts_with(&self, prefix: &str) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "29a432ebeff2d752ac8e4153d7c0ed7fb6c55d6aaa7181c64a773088a7236269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a432ebeff2d752ac8e4153d7c0ed7fb6c55d6aaa7181c64a773088a7236269", kill_on_drop: false }`
[INFO] [stdout] 29a432ebeff2d752ac8e4153d7c0ed7fb6c55d6aaa7181c64a773088a7236269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f101865cdda17762ecf0c77c1052c33c9ddc8197ce1468233bc827aee6ef3dc
[INFO] running `Command { std: "docker" "start" "-a" "7f101865cdda17762ecf0c77c1052c33c9ddc8197ce1468233bc827aee6ef3dc", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `tries::Trie`
[INFO] [stderr]  --> src/domain/mod.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use tries::Trie;
[INFO] [stderr]   |         ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `find_by_prefix` and `get_frequency` are never used
[INFO] [stderr]    --> src/repository/mongodb.rs:104:18
[INFO] [stderr]     |
[INFO] [stderr]  55 | impl MongoRepository {
[INFO] [stderr]     | -------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 104 |     pub async fn find_by_prefix(
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 170 |     pub async fn get_frequency(&self, term: &str) -> Result<Option<u64>> {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `delete` and `exists` are never used
[INFO] [stderr]    --> src/repository/redis.rs:64:18
[INFO] [stderr]     |
[INFO] [stderr]  13 | impl RedisRepository {
[INFO] [stderr]     | -------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  64 |     pub async fn delete(&self, key: &str) -> Result<()> {
[INFO] [stderr]     |                  ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 |     pub async fn exists(&self, key: &str) -> Result<bool> {
[INFO] [stderr]     |                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `starts_with` is never used
[INFO] [stderr]    --> src/service/suggestion.rs:139:12
[INFO] [stderr]     |
[INFO] [stderr]  22 | impl SuggestionService {
[INFO] [stderr]     | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 139 |     pub fn starts_with(&self, prefix: &str) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tries-suggest` (bin "tries-suggest" test) generated 4 warnings (run `cargo fix --bin "tries-suggest" -p tries-suggest --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tries_suggest-ec6548e0184ab9cd)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test domain::tries::tests::basic_ops ... ok
[INFO] [stdout] test domain::tries::tests::frequency_and_topk ... 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 src/main.rs (/opt/rustwide/target/debug/deps/tries_suggest-084adb9ae5f3a235)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test domain::tries::tests::basic_ops ... ok
[INFO] [stdout] test domain::tries::tests::frequency_and_topk ... 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]    Doc-tests tries_suggest
[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" "7f101865cdda17762ecf0c77c1052c33c9ddc8197ce1468233bc827aee6ef3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f101865cdda17762ecf0c77c1052c33c9ddc8197ce1468233bc827aee6ef3dc", kill_on_drop: false }`
[INFO] [stdout] 7f101865cdda17762ecf0c77c1052c33c9ddc8197ce1468233bc827aee6ef3dc
