[INFO] cloning repository https://github.com/Topi99/paciencia-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Topi99/paciencia-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopi99%2Fpaciencia-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopi99%2Fpaciencia-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec4b1f8d908f2be19cd513e7a1a7816ff0a8c561
[INFO] checking Topi99/paciencia-rs against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopi99%2Fpaciencia-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Topi99/paciencia-rs
[INFO] finished tweaking git repo https://github.com/Topi99/paciencia-rs
[INFO] tweaked toml for git repo https://github.com/Topi99/paciencia-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Topi99/paciencia-rs on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Topi99/paciencia-rs 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c5130a7fe8a5cfc017e4ca39ebddc71898f29b27a73cf238ee77968d5f48bf3
[INFO] running `Command { std: "docker" "start" "-a" "4c5130a7fe8a5cfc017e4ca39ebddc71898f29b27a73cf238ee77968d5f48bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c5130a7fe8a5cfc017e4ca39ebddc71898f29b27a73cf238ee77968d5f48bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5130a7fe8a5cfc017e4ca39ebddc71898f29b27a73cf238ee77968d5f48bf3", kill_on_drop: false }`
[INFO] [stdout] 4c5130a7fe8a5cfc017e4ca39ebddc71898f29b27a73cf238ee77968d5f48bf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc5b83dc388c8a259f0e8b9d6784294018fb785ded2752d88ca120e1b8b047d
[INFO] running `Command { std: "docker" "start" "-a" "0fc5b83dc388c8a259f0e8b9d6784294018fb785ded2752d88ca120e1b8b047d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking paciencia v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DbDropGuard`
[INFO] [stdout]  --> src/server.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{DbDropGuard};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Db` is never constructed
[INFO] [stdout]   --> src/db.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Db {
[INFO] [stdout]    |            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DbDropGuard` is never constructed
[INFO] [stdout]  --> src/db.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct DbDropGuard {
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `shared` is never read
[INFO] [stdout]   --> src/db.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Db {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 13 |     shared: Arc<Shared>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Db` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/db.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Shared {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 18 |     state: Mutex<State>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shared` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> src/db.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct State {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 23 |     entries: HashMap<String, Entry>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DbDropGuard`
[INFO] [stdout]  --> src/server.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{DbDropGuard};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/db.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Entry {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 28 |     data: Bytes,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `db` are never used
[INFO] [stdout]   --> src/db.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl DbDropGuard {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 32 |     pub(crate) fn new() -> DbDropGuard {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub(crate) fn db(&self) -> Db {
[INFO] [stdout]    |                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `set` are never used
[INFO] [stdout]   --> src/db.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Db {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout] 42 |     pub(crate) fn new() -> Db {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub(crate) fn get(&self, key: &str) -> Option<Bytes> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub(crate) fn set(&self, key: String, data: Bytes) {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paciencia` (lib) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `Db` is never constructed
[INFO] [stdout]   --> src/db.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Db {
[INFO] [stdout]    |            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DbDropGuard` is never constructed
[INFO] [stdout]  --> src/db.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct DbDropGuard {
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `shared` is never read
[INFO] [stdout]   --> src/db.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Db {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 13 |     shared: Arc<Shared>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Db` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/db.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Shared {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 18 |     state: Mutex<State>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shared` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> src/db.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct State {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 23 |     entries: HashMap<String, Entry>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/db.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Entry {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 28 |     data: Bytes,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `db` are never used
[INFO] [stdout]   --> src/db.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl DbDropGuard {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 32 |     pub(crate) fn new() -> DbDropGuard {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub(crate) fn db(&self) -> Db {
[INFO] [stdout]    |                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `set` are never used
[INFO] [stdout]   --> src/db.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Db {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout] 42 |     pub(crate) fn new() -> Db {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub(crate) fn get(&self, key: &str) -> Option<Bytes> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub(crate) fn set(&self, key: String, data: Bytes) {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paciencia` (lib test) due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0fc5b83dc388c8a259f0e8b9d6784294018fb785ded2752d88ca120e1b8b047d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc5b83dc388c8a259f0e8b9d6784294018fb785ded2752d88ca120e1b8b047d", kill_on_drop: false }`
[INFO] [stdout] 0fc5b83dc388c8a259f0e8b9d6784294018fb785ded2752d88ca120e1b8b047d
