[INFO] fetching crate rustolio-db 0.1.0...
[INFO] checking rustolio-db-0.1.0 against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971
[INFO] extracting crate rustolio-db 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rustolio-db 0.1.0
[INFO] finished tweaking crates.io crate rustolio-db 0.1.0
[INFO] tweaked toml for crates.io crate rustolio-db 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustolio-db 0.1.0 on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustolio-db 0.1.0 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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] bd2094239f8a21b8b58c993742ffc8d7c19d84313b44a80d9048c5fc4051ea20
[INFO] running `Command { std: "docker" "start" "-a" "bd2094239f8a21b8b58c993742ffc8d7c19d84313b44a80d9048c5fc4051ea20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd2094239f8a21b8b58c993742ffc8d7c19d84313b44a80d9048c5fc4051ea20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd2094239f8a21b8b58c993742ffc8d7c19d84313b44a80d9048c5fc4051ea20", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15ee9da20497d1e87e5876a135e91c1be425155d2e801838a6fb0aaf424c25f3
[INFO] running `Command { std: "docker" "start" "-a" "15ee9da20497d1e87e5876a135e91c1be425155d2e801838a6fb0aaf424c25f3", kill_on_drop: false }`
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[INFO] [stdout] warning: variant `Shutdown` is never constructed
[INFO] [stdout]   --> src/store/disk.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Action {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     Shutdown(oneshot::Sender<()>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Shutdown` is never constructed
[INFO] [stdout]   --> src/store/memory.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Action {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 20 |     Update(HandleFn<BoxAny>, oneshot::Sender<Result<BoxAny>>),
[INFO] [stdout] 21 |     Shutdown(oneshot::Sender<()>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `max_usage` and `current_usage` are never read
[INFO] [stdout]   --> src/store/memory.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Store {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 25 |     max_usage: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     current_usage: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `username`, `encryption_cipher`, and `decapsulation_key` are never read
[INFO] [stdout]   --> src/client/mod.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Client {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 41 |     username: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 42 |     private_key: crypto::signature::PrivateKey,
[INFO] [stdout] 43 |     encryption_cipher: crypto::encryption::Cipher,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |     decapsulation_key: crypto::encapsulation::DecapsulationKey,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Client` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/store/memory.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             self.set_mem(key, value.clone().unwrap());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let _ = self.set_mem(key, value.clone().unwrap());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_dir` is never used
[INFO] [stdout]   --> src/test_utils/file.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn generate_dir(name: &'static str) -> (PathBuf, PathGuard) {
[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 `PathGuard` is never constructed
[INFO] [stdout]   --> src/test_utils/file.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct PathGuard {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getset` is never used
[INFO] [stdout]   --> src/store/mod.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn getset(key: Key, value: Value) -> HandleFn<Option<Value>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `disk_channel` is never read
[INFO] [stdout]   --> src/store/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Service {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 55 |     mem_channel: mpsc::Sender<memory::Action>,
[INFO] [stdout] 56 |     disk_channel: mpsc::Sender<disk::Action>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Service` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Shutdown` is never constructed
[INFO] [stdout]   --> src/store/disk.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Action {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     Shutdown(oneshot::Sender<()>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Shutdown` is never constructed
[INFO] [stdout]   --> src/store/memory.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Action {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 20 |     Update(HandleFn<BoxAny>, oneshot::Sender<Result<BoxAny>>),
[INFO] [stdout] 21 |     Shutdown(oneshot::Sender<()>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `max_usage` and `current_usage` are never read
[INFO] [stdout]   --> src/store/memory.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Store {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 25 |     max_usage: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     current_usage: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `username`, `encryption_cipher`, and `decapsulation_key` are never read
[INFO] [stdout]   --> src/client/mod.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Client {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 41 |     username: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 42 |     private_key: crypto::signature::PrivateKey,
[INFO] [stdout] 43 |     encryption_cipher: crypto::encryption::Cipher,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |     decapsulation_key: crypto::encapsulation::DecapsulationKey,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Client` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/store/memory.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             self.set_mem(key, value.clone().unwrap());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let _ = self.set_mem(key, value.clone().unwrap());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.04s
[INFO] running `Command { std: "docker" "inspect" "15ee9da20497d1e87e5876a135e91c1be425155d2e801838a6fb0aaf424c25f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ee9da20497d1e87e5876a135e91c1be425155d2e801838a6fb0aaf424c25f3", kill_on_drop: false }`
[INFO] [stdout] 15ee9da20497d1e87e5876a135e91c1be425155d2e801838a6fb0aaf424c25f3
