[INFO] fetching crate MMDB_Server 0.1.3...
[INFO] checking MMDB_Server-0.1.3 against master#fd2c811d25ad5773fbd2463e058bf4edf4d44eb2 for pr-130443
[INFO] extracting crate MMDB_Server 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate MMDB_Server 0.1.3 on toolchain fd2c811d25ad5773fbd2463e058bf4edf4d44eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate MMDB_Server 0.1.3
[INFO] finished tweaking crates.io crate MMDB_Server 0.1.3
[INFO] tweaked toml for crates.io crate MMDB_Server 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate MMDB_Server 0.1.3 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" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.3.3
[INFO] [stderr]   Downloaded threadpool v1.8.1
[INFO] [stderr]   Downloaded configster v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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_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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 966e761cd9e863e6cd95232f4f67707c487b1ce3b87e537455734b2e2121925e
[INFO] running `Command { std: "docker" "start" "-a" "966e761cd9e863e6cd95232f4f67707c487b1ce3b87e537455734b2e2121925e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "966e761cd9e863e6cd95232f4f67707c487b1ce3b87e537455734b2e2121925e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966e761cd9e863e6cd95232f4f67707c487b1ce3b87e537455734b2e2121925e", kill_on_drop: false }`
[INFO] [stdout] 966e761cd9e863e6cd95232f4f67707c487b1ce3b87e537455734b2e2121925e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3060eb459f4ed4a2c5620055d7c9dfc81292ed3b0d0fe91c917bc42c23218ee
[INFO] running `Command { std: "docker" "start" "-a" "e3060eb459f4ed4a2c5620055d7c9dfc81292ed3b0d0fe91c917bc42c23218ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking configster v0.1.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking MMDB_Server v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `try_exists` in module `fs`
[INFO] [stdout]    --> src/lib.rs:204:32
[INFO] [stdout]     |
[INFO] [stdout] 204 |         if let Ok(_tmp0) = fs::try_exists(cfgdic.clone()) {
[INFO] [stdout]     |                                ^^^^^^^^^^ not found in `fs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `try_exists` in module `fs`
[INFO] [stdout]    --> src/lib.rs:228:19
[INFO] [stdout]     |
[INFO] [stdout] 228 |         match fs::try_exists(dbdic.clone()) {
[INFO] [stdout]     |                   ^^^^^^^^^^ not found in `fs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `try_exists` in module `fs`
[INFO] [stdout]    --> src/lib.rs:204:32
[INFO] [stdout]     |
[INFO] [stdout] 204 |         if let Ok(_tmp0) = fs::try_exists(cfgdic.clone()) {
[INFO] [stdout]     |                                ^^^^^^^^^^ not found in `fs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `try_exists` in module `fs`
[INFO] [stdout]    --> src/lib.rs:228:19
[INFO] [stdout]     |
[INFO] [stdout] 228 |         match fs::try_exists(dbdic.clone()) {
[INFO] [stdout]     |                   ^^^^^^^^^^ not found in `fs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::ExitCode`
[INFO] [stdout]  --> src/lib.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use std::{fs, process::ExitCode};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JoinHandle` and `self`
[INFO] [stdout]   --> src/lib.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |         thread::{self, JoinHandle},
[INFO] [stdout]    |                  ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `unsafe_cell` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub struct unsafe_cell<T> {
[INFO] [stdout]    |                ^^^^^^^^^^^ help: convert the identifier to upper camel case: `UnsafeCell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `messageprotocol` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:81:14
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub enum messageprotocol {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Messageprotocol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::ExitCode`
[INFO] [stdout]  --> src/lib.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use std::{fs, process::ExitCode};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JoinHandle` and `self`
[INFO] [stdout]   --> src/lib.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |         thread::{self, JoinHandle},
[INFO] [stdout]    |                  ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `unsafe_cell` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub struct unsafe_cell<T> {
[INFO] [stdout]    |                ^^^^^^^^^^^ help: convert the identifier to upper camel case: `UnsafeCell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `messageprotocol` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:81:14
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub enum messageprotocol {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Messageprotocol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `fs_try_exists` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fs_try_exists)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `fs_try_exists` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fs_try_exists)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |                     std::process::exit(-1);
[INFO] [stdout]     |                     ---------------------- any code following this expression is unreachable
[INFO] [stdout] 112 |                     &0
[INFO] [stdout]     |                     ^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |                     std::process::exit(-1);
[INFO] [stdout]     |                     ---------------------- any code following this expression is unreachable
[INFO] [stdout] 112 |                     &0
[INFO] [stdout]     |                     ^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 std::process::exit(-1);
[INFO] [stdout]     |                 ---------------------- any code following this expression is unreachable
[INFO] [stdout] 151 |                 0
[INFO] [stdout]     |                 ^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 std::process::exit(-1);
[INFO] [stdout]     |                 ---------------------- any code following this expression is unreachable
[INFO] [stdout] 151 |                 0
[INFO] [stdout]     |                 ^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:162:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     std::process::exit(-1);
[INFO] [stdout]     |                     ---------------------- any code following this expression is unreachable
[INFO] [stdout] 162 |                     &0
[INFO] [stdout]     |                     ^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:162:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     std::process::exit(-1);
[INFO] [stdout]     |                     ---------------------- any code following this expression is unreachable
[INFO] [stdout] 162 |                     &0
[INFO] [stdout]     |                     ^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             std::process::exit(-1);
[INFO] [stdout]     |             ---------------------- any code following this expression is unreachable
[INFO] [stdout] 213 |             Vec::<configster::OptionProperties>::new()
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             std::process::exit(-1);
[INFO] [stdout]     |             ---------------------- any code following this expression is unreachable
[INFO] [stdout] 213 |             Vec::<configster::OptionProperties>::new()
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 std::process::exit(-1);
[INFO] [stdout]     |                 ---------------------- any code following this expression is unreachable
[INFO] [stdout] 225 |                 &String::new()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 std::process::exit(-1);
[INFO] [stdout]     |                 ---------------------- any code following this expression is unreachable
[INFO] [stdout] 225 |                 &String::new()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lib.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 379 | /         loop {
[INFO] [stdout] 380 | |             if let Ok((mut stream, _)) = listener.accept() {
[INFO] [stdout] 381 | |                 send.send(messageprotocol::Connection(unsafe_cell {
[INFO] [stdout] 382 | |                     in_cell: core::ptr::addr_of_mut!(stream),
[INFO] [stdout] ...   |
[INFO] [stdout] 385 | |             }
[INFO] [stdout] 386 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 387 |
[INFO] [stdout] 388 | /         for _i in vec![0; 500] {
[INFO] [stdout] 389 | |             send.send(messageprotocol::Shutdown).unwrap();
[INFO] [stdout] 390 | |         }
[INFO] [stdout]     | |_________^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lib.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 379 | /         loop {
[INFO] [stdout] 380 | |             if let Ok((mut stream, _)) = listener.accept() {
[INFO] [stdout] 381 | |                 send.send(messageprotocol::Connection(unsafe_cell {
[INFO] [stdout] 382 | |                     in_cell: core::ptr::addr_of_mut!(stream),
[INFO] [stdout] ...   |
[INFO] [stdout] 385 | |             }
[INFO] [stdout] 386 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 387 |
[INFO] [stdout] 388 | /         for _i in vec![0; 500] {
[INFO] [stdout] 389 | |             send.send(messageprotocol::Shutdown).unwrap();
[INFO] [stdout] 390 | |         }
[INFO] [stdout]     | |_________^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |         io::{BufRead, BufReader, BufWriter, Write},
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |         io::{BufRead, BufReader, BufWriter, Write},
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m_`
[INFO] [stdout]    --> src/lib.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     let m_ = m.clone();
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_m_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m_`
[INFO] [stdout]    --> src/lib.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     let m_ = m.clone();
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_m_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `MMDB_Server` (lib) due to 3 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `MMDB_Server` (lib test) due to 3 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e3060eb459f4ed4a2c5620055d7c9dfc81292ed3b0d0fe91c917bc42c23218ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3060eb459f4ed4a2c5620055d7c9dfc81292ed3b0d0fe91c917bc42c23218ee", kill_on_drop: false }`
[INFO] [stdout] e3060eb459f4ed4a2c5620055d7c9dfc81292ed3b0d0fe91c917bc42c23218ee
