[INFO] cloning repository https://github.com/post-rex/hsms
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/post-rex/hsms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpost-rex%2Fhsms"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpost-rex%2Fhsms'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f806092674043aa1efc382f8a4c815b1c9f231e4
[INFO] checking post-rex/hsms against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpost-rex%2Fhsms" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/post-rex/hsms on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/post-rex/hsms
[INFO] finished tweaking git repo https://github.com/post-rex/hsms
[INFO] tweaked toml for git repo https://github.com/post-rex/hsms written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/post-rex/hsms already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c95b3eb453f0c907921edeb3437b0ea40c611a6364079cfa738a9daff6fd0edf
[INFO] running `"docker" "start" "-a" "c95b3eb453f0c907921edeb3437b0ea40c611a6364079cfa738a9daff6fd0edf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking hsms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/http.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/http.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ToSocketAddrs`
[INFO] [stderr]  --> src/net.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{ToSocketAddrs, SocketAddr};
[INFO] [stderr]   |                ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/parser.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ToSocketAddrs`
[INFO] [stderr]  --> src/net.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{ToSocketAddrs, SocketAddr};
[INFO] [stderr]   |                ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/parser.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/net.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 60 | /         loop {
[INFO] [stderr] 61 | |             poll.poll(&mut events, None);
[INFO] [stderr] 62 | |             for event in events.iter() {
[INFO] [stderr] 63 | |                 let mut remove = false;
[INFO] [stderr] ...  |
[INFO] [stderr] 96 | |             }
[INFO] [stderr] 97 | |         }
[INFO] [stderr]    | |_________- any code following this expression is unreachable
[INFO] [stderr] 98 |           Ok(())
[INFO] [stderr]    |           ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/net.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 60 | /         loop {
[INFO] [stderr] 61 | |             poll.poll(&mut events, None);
[INFO] [stderr] 62 | |             for event in events.iter() {
[INFO] [stderr] 63 | |                 let mut remove = false;
[INFO] [stderr] ...  |
[INFO] [stderr] 96 | |             }
[INFO] [stderr] 97 | |         }
[INFO] [stderr]    | |_________- any code following this expression is unreachable
[INFO] [stderr] 98 |           Ok(())
[INFO] [stderr]    |           ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `read` is never read
[INFO] [stderr]    --> src/net.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let mut read = 0usize;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `registry`
[INFO] [stderr]    --> src/net.rs:147:37
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn send_response(&mut self, registry: &Registry, token: Token) -> std::io::Result<bool> {
[INFO] [stderr]     |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registry`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `read` is never read
[INFO] [stderr]    --> src/net.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let mut read = 0usize;
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `registry`
[INFO] [stderr]    --> src/net.rs:147:37
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn send_response(&mut self, registry: &Registry, token: Token) -> std::io::Result<bool> {
[INFO] [stderr]     |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registry`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/net.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut server_token = Token(0);
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/net.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut client = Client::new(connection, address, token);
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Custom`
[INFO] [stderr]   --> src/http.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     Custom(u16, String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `stringify`
[INFO] [stderr]   --> src/http.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn stringify(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `address`
[INFO] [stderr]   --> src/net.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     address: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `register_matching_handler`
[INFO] [stderr]   --> src/net.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     pub fn register_matching_handler<M, F>(&mut self, method: Method, route: M, handler: F)
[INFO] [stderr] 41 | |         where M: 'static + Fn(&str) -> bool, F: 'static + Fn(&HttpRequest) -> HttpResponse
[INFO] [stderr] 42 | |     {
[INFO] [stderr] 43 | |         self.r_map.push((method, Box::new(route), Box::new(handler)));
[INFO] [stderr] 44 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/net.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut server_token = Token(0);
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/net.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut client = Client::new(connection, address, token);
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/net.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             poll.poll(&mut events, None);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/net.rs:92:25
[INFO] [stderr]    |
[INFO] [stderr] 92 |                         poll.registry().deregister(&mut client.stream);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/net.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |                     registry.reregister(&mut client.stream, client.token, Interest::WRITABLE);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Custom`
[INFO] [stderr]   --> src/http.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     Custom(u16, String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `stringify`
[INFO] [stderr]   --> src/http.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn stringify(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `address`
[INFO] [stderr]   --> src/net.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     address: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `register_matching_handler`
[INFO] [stderr]   --> src/net.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     pub fn register_matching_handler<M, F>(&mut self, method: Method, route: M, handler: F)
[INFO] [stderr] 41 | |         where M: 'static + Fn(&str) -> bool, F: 'static + Fn(&HttpRequest) -> HttpResponse
[INFO] [stderr] 42 | |     {
[INFO] [stderr] 43 | |         self.r_map.push((method, Box::new(route), Box::new(handler)));
[INFO] [stderr] 44 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/net.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             poll.poll(&mut events, None);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/net.rs:92:25
[INFO] [stderr]    |
[INFO] [stderr] 92 |                         poll.registry().deregister(&mut client.stream);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/net.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |                     registry.reregister(&mut client.stream, client.token, Interest::WRITABLE);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `"docker" "inspect" "c95b3eb453f0c907921edeb3437b0ea40c611a6364079cfa738a9daff6fd0edf"`
[INFO] running `"docker" "rm" "-f" "c95b3eb453f0c907921edeb3437b0ea40c611a6364079cfa738a9daff6fd0edf"`
[INFO] [stdout] c95b3eb453f0c907921edeb3437b0ea40c611a6364079cfa738a9daff6fd0edf