[INFO] fetching crate boxcap 0.1.0...
[INFO] checking boxcap-0.1.0 against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] extracting crate boxcap 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate boxcap 0.1.0
[INFO] finished tweaking crates.io crate boxcap 0.1.0
[INFO] tweaked toml for crates.io crate boxcap 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate boxcap 0.1.0 on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate boxcap 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 767cb1bf4c98f6017389072bf81b3bd97551009a57e762c76667435f1d3034ee
[INFO] running `Command { std: "docker" "start" "-a" "767cb1bf4c98f6017389072bf81b3bd97551009a57e762c76667435f1d3034ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "767cb1bf4c98f6017389072bf81b3bd97551009a57e762c76667435f1d3034ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767cb1bf4c98f6017389072bf81b3bd97551009a57e762c76667435f1d3034ee", kill_on_drop: false }`
[INFO] [stdout] 767cb1bf4c98f6017389072bf81b3bd97551009a57e762c76667435f1d3034ee
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a45dde29f7b0e4408429d8adfa3c2195a1ed77d9f25a5dc12bf6ce50e396f35a
[INFO] running `Command { std: "docker" "start" "-a" "a45dde29f7b0e4408429d8adfa3c2195a1ed77d9f25a5dc12bf6ce50e396f35a", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]   --> src/services/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::thread::sleep;
[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: `std::time::Duration`
[INFO] [stdout]   --> src/services/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/services/database.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/services/database.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/services/database.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread::Scope`
[INFO] [stdout]   --> src/services/www.rs:55:31
[INFO] [stdout]    |
[INFO] [stdout] 55 |     use std::{fs, path::Path, thread::Scope};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]   --> src/services/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::thread::sleep;
[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: `std::time::Duration`
[INFO] [stdout]   --> src/services/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/services/database.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/services/database.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/services/database.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `what`
[INFO] [stdout]    --> src/services/database.rs:117:45
[INFO] [stdout]     |
[INFO] [stdout] 117 | ...                   Command::CREATE(what) => {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_what`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `what`
[INFO] [stdout]    --> src/services/database.rs:120:45
[INFO] [stdout]     |
[INFO] [stdout] 120 | ...                   Command::SELECT(what) => {}
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_what`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `what`
[INFO] [stdout]    --> src/services/database.rs:121:44
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   Command::QUERY(what) => {}
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_what`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/services/www.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn send(&self, msg: Message) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `author` is never read
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Message {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 24 |     to: String,
[INFO] [stdout] 25 |     author: String,
[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 `id` is never read
[INFO] [stdout]   --> src/services/database.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Record {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 21 |     id: Thing,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` 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 `db` is never read
[INFO] [stdout]   --> src/services/database.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct Database {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     db: Surreal<Client>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/services/www.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Scraper {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 14 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `what`
[INFO] [stdout]    --> src/services/database.rs:117:45
[INFO] [stdout]     |
[INFO] [stdout] 117 | ...                   Command::CREATE(what) => {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_what`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `what`
[INFO] [stdout]    --> src/services/database.rs:120:45
[INFO] [stdout]     |
[INFO] [stdout] 120 | ...                   Command::SELECT(what) => {}
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_what`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `what`
[INFO] [stdout]    --> src/services/database.rs:121:44
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   Command::QUERY(what) => {}
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_what`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/services/database.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             tx.send(msg);
[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] 131 |             let _ = tx.send(msg);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/services/www.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn send(&self, msg: Message) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/services/www.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let s = Scraper::new();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `author` is never read
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Message {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 24 |     to: String,
[INFO] [stdout] 25 |     author: String,
[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 `id` is never read
[INFO] [stdout]   --> src/services/database.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Record {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 21 |     id: Thing,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` 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 `db` is never read
[INFO] [stdout]   --> src/services/database.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct Database {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     db: Surreal<Client>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/services/www.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Scraper {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 14 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clean` is never used
[INFO] [stdout]   --> src/services/www.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn clean() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clean` is never used
[INFO] [stdout]    --> src/services/mod.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn clean() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/services/database.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             tx.send(msg);
[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] 131 |             let _ = tx.send(msg);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `Command { std: "docker" "inspect" "a45dde29f7b0e4408429d8adfa3c2195a1ed77d9f25a5dc12bf6ce50e396f35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45dde29f7b0e4408429d8adfa3c2195a1ed77d9f25a5dc12bf6ce50e396f35a", kill_on_drop: false }`
[INFO] [stdout] a45dde29f7b0e4408429d8adfa3c2195a1ed77d9f25a5dc12bf6ce50e396f35a