[INFO] cloning repository https://github.com/edu-rust/red-hare
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edu-rust/red-hare" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedu-rust%2Fred-hare", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a39af843d33b4cbbe703502524bf9812b68b9e5
[INFO] checking edu-rust/red-hare against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedu-rust%2Fred-hare" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/edu-rust/red-hare
[INFO] finished tweaking git repo https://github.com/edu-rust/red-hare
[INFO] tweaked toml for git repo https://github.com/edu-rust/red-hare written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/edu-rust/red-hare on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/edu-rust/red-hare 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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]   Downloaded toml v0.9.10+spec-1.1.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87bee387db6ef3fc2d1384075e317553cdd2d7d5832a49533e8506e0529fe54f
[INFO] running `Command { std: "docker" "start" "-a" "87bee387db6ef3fc2d1384075e317553cdd2d7d5832a49533e8506e0529fe54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87bee387db6ef3fc2d1384075e317553cdd2d7d5832a49533e8506e0529fe54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87bee387db6ef3fc2d1384075e317553cdd2d7d5832a49533e8506e0529fe54f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr] warning: version requirement `0.9.10+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
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[INFO] [stderr]     Checking red-hare v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::task::spawn_blocking`
[INFO] [stdout]  --> src/protocol/red_hare_wrapper.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::task::spawn_blocking;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task::spawn_blocking`
[INFO] [stdout]  --> src/protocol/red_hare_wrapper.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::task::spawn_blocking;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/core/red_hare.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn h_set_string(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/core/red_hare.rs:77:43
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn h_set_string(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/core/red_hare.rs:77:58
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn h_set_string(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/core/red_hare.rs:79:44
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn h_set_string_with_expire(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/core/red_hare.rs:79:55
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn h_set_string_with_expire(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/core/red_hare.rs:79:70
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn h_set_string_with_expire(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                                                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/core/red_hare.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn h_get_string(&self, k: String, field: String) {}
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/core/red_hare.rs:81:43
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn h_get_string(&self, k: String, field: String) {}
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/core/red_hare.rs:82:36
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn h_get_all_string(&self, k: String) {}
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/core/red_hare.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn h_set_string(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/core/red_hare.rs:77:43
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn h_set_string(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/core/red_hare.rs:77:58
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn h_set_string(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                                          ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/core/red_hare.rs:79:44
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn h_set_string_with_expire(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/core/red_hare.rs:79:55
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn h_set_string_with_expire(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/core/red_hare.rs:79:70
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn h_set_string_with_expire(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |                                                                      ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/core/red_hare.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn h_get_string(&self, k: String, field: String) {}
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/core/red_hare.rs:81:43
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn h_get_string(&self, k: String, field: String) {}
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/core/red_hare.rs:82:36
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn h_get_all_string(&self, k: String) {}
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]  --> src/config/log.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Config {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoggingConfig` is never constructed
[INFO] [stdout]   --> src/config/log.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct LoggingConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_config` is never used
[INFO] [stdout]   --> src/config/log.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn load_config() -> Result<Config, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HASH` is never used
[INFO] [stdout]  --> src/core/red_hare.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const HASH: &str = "hash";
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `keys_get` and `set_bytes_with_expire` are never used
[INFO] [stdout]   --> src/core/red_hare.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl RedHare {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn keys_get(&self) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn set_bytes_with_expire(&self, persistence: Persistence) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `h_set_string`, `h_set_string_with_expire`, `h_get_string`, and `h_get_all_string` are never used
[INFO] [stdout]   --> src/core/red_hare.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl RedHare {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 77 |     pub fn h_set_string(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 78 |
[INFO] [stdout] 79 |     pub fn h_set_string_with_expire(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 80 |
[INFO] [stdout] 81 |     pub fn h_get_string(&self, k: String, field: String) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 82 |     pub fn h_get_all_string(&self, k: String) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Persistence` is never constructed
[INFO] [stdout]   --> src/storage/persistence.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Persistence {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `restore_rdb_file` is never used
[INFO] [stdout]   --> src/storage/persistence.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn restore_rdb_file() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_rdb_file` is never used
[INFO] [stdout]   --> src/storage/persistence.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn save_rdb_file() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_key_value_pair` is never used
[INFO] [stdout]   --> src/storage/persistence.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn save_key_value_pair(data: Vec<Persistence>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HASH` is never used
[INFO] [stdout]  --> src/core/red_hare.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const HASH: &str = "hash";
[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 `h_set_string`, `h_set_string_with_expire`, `h_get_string`, and `h_get_all_string` are never used
[INFO] [stdout]   --> src/core/red_hare.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl RedHare {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 77 |     pub fn h_set_string(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 78 |
[INFO] [stdout] 79 |     pub fn h_set_string_with_expire(&self, k: String, field: String, v: Vec<u8>) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 80 |
[INFO] [stdout] 81 |     pub fn h_get_string(&self, k: String, field: String) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 82 |     pub fn h_get_all_string(&self, k: String) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.97s
[INFO] running `Command { std: "docker" "inspect" "5d4407db18ed8be9a0b7872912db602432a2b20c9499dd51e2e9fa1930cdf5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4407db18ed8be9a0b7872912db602432a2b20c9499dd51e2e9fa1930cdf5d9", kill_on_drop: false }`
[INFO] [stdout] 5d4407db18ed8be9a0b7872912db602432a2b20c9499dd51e2e9fa1930cdf5d9
