[INFO] fetching crate htqx_minigrep 1.0.0...
[INFO] testing htqx_minigrep-1.0.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate htqx_minigrep 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate htqx_minigrep 1.0.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate htqx_minigrep 1.0.0
[INFO] finished tweaking crates.io crate htqx_minigrep 1.0.0
[INFO] tweaked toml for crates.io crate htqx_minigrep 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3a55bb0fc9e4a9abb5ae84b45cb0f1b8520acbbd37b2e8fea98c814ec0a6640
[INFO] running `"docker" "start" "-a" "c3a55bb0fc9e4a9abb5ae84b45cb0f1b8520acbbd37b2e8fea98c814ec0a6640"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling htqx_minigrep v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(config:Config){
[INFO] [stderr]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `query`
[INFO] [stderr]   --> src/lib.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> src/lib.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `query`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     query:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filename`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     filename:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `search`
[INFO] [stderr]   --> src/lib.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut a3:&Drop = &MyBox(3);
[INFO] [stderr]    |                 ^^^^ help: use `dyn`: `dyn Drop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |     if let e@1...5 = *a {println!("e={}",e)};
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:155:8
[INFO] [stderr]     |
[INFO] [stderr] 155 | let s:&std::fmt::Display = &"hi";
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:158:35
[INFO] [stderr]     |
[INFO] [stderr] 158 | fn fa(f:fn(i32)->i32, a:i32)->Box<Fn()->i32>{
[INFO] [stderr]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn Fn()->i32`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]    --> src/main.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |     use std::net::TcpStream;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `a3` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut a3:&Drop = &MyBox(3);
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_a3` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `a3` is never read
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     a3 = &a2;
[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: `b`
[INFO] [stderr]   --> src/main.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let b = *a;
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d` is never read
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | let mut d:& i8 = &5;
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 | let e = E2{c:&c};
[INFO] [stderr]     |     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(config:Config){
[INFO] [stderr]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `query`
[INFO] [stderr]   --> src/lib.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> src/lib.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 | let mut b:isize = 8;
[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: field is never read: `query`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     query:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filename`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     filename:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `search`
[INFO] [stderr]   --> src/lib.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn new(a:T)->MyBox<T>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f2`
[INFO] [stderr]   --> src/main.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn f2<'a>(x:& mut &'a i8, y: &'a i8){
[INFO] [stderr]    |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `E`
[INFO] [stderr]    --> src/main.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 | struct E<'e, 'c :'e>{c:&'e  C<'c>}
[INFO] [stderr]     |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `c`
[INFO] [stderr]    --> src/main.rs:112:22
[INFO] [stderr]     |
[INFO] [stderr] 112 | struct E2<'e, T :'e>{c:&'e  T} //类似定义
[INFO] [stderr]     |                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fe`
[INFO] [stderr]    --> src/main.rs:114:4
[INFO] [stderr]     |
[INFO] [stderr] 114 | fn fe(x:C)->&isize{
[INFO] [stderr]     |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bar`
[INFO] [stderr]    --> src/main.rs:151:4
[INFO] [stderr]     |
[INFO] [stderr] 151 | fn bar() ->!{
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_webserver`
[INFO] [stderr]    --> src/main.rs:169:4
[INFO] [stderr]     |
[INFO] [stderr] 169 | fn test_webserver(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_associatedType` should have a snake case name
[INFO] [stderr]    --> src/main.rs:119:4
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn test_associatedType(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_associated_type`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_defaultTypeParameters` should have a snake case name
[INFO] [stderr]    --> src/main.rs:134:4
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn test_defaultTypeParameters(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_default_type_parameters`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_highType` should have a snake case name
[INFO] [stderr]    --> src/main.rs:149:4
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn test_highType(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_high_type`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_derivableTrait` should have a snake case name
[INFO] [stderr]    --> src/main.rs:194:4
[INFO] [stderr]     |
[INFO] [stderr] 194 | fn test_derivableTrait(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_derivable_trait`
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "c3a55bb0fc9e4a9abb5ae84b45cb0f1b8520acbbd37b2e8fea98c814ec0a6640"`
[INFO] running `"docker" "rm" "-f" "c3a55bb0fc9e4a9abb5ae84b45cb0f1b8520acbbd37b2e8fea98c814ec0a6640"`
[INFO] [stdout] c3a55bb0fc9e4a9abb5ae84b45cb0f1b8520acbbd37b2e8fea98c814ec0a6640
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 953a3996e004f693211b85014cee528bb986c8bb19d2505a954606b29be9f916
[INFO] running `"docker" "start" "-a" "953a3996e004f693211b85014cee528bb986c8bb19d2505a954606b29be9f916"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling htqx_minigrep v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(config:Config){
[INFO] [stderr]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `query`
[INFO] [stderr]   --> src/lib.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> src/lib.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `query`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     query:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filename`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     filename:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `search`
[INFO] [stderr]   --> src/lib.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut a3:&Drop = &MyBox(3);
[INFO] [stderr]    |                 ^^^^ help: use `dyn`: `dyn Drop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |     if let e@1...5 = *a {println!("e={}",e)};
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:155:8
[INFO] [stderr]     |
[INFO] [stderr] 155 | let s:&std::fmt::Display = &"hi";
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:158:35
[INFO] [stderr]     |
[INFO] [stderr] 158 | fn fa(f:fn(i32)->i32, a:i32)->Box<Fn()->i32>{
[INFO] [stderr]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn Fn()->i32`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]    --> src/main.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |     use std::net::TcpStream;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(config:Config){
[INFO] [stderr]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `query`
[INFO] [stderr]   --> src/lib.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> src/lib.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `query`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     query:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filename`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     filename:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `a3` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut a3:&Drop = &MyBox(3);
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_a3` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `a3` is never read
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     a3 = &a2;
[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: `b`
[INFO] [stderr]   --> src/main.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let b = *a;
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d` is never read
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | let mut d:& i8 = &5;
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 | let e = E2{c:&c};
[INFO] [stderr]     |     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(config:Config){
[INFO] [stderr]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `query`
[INFO] [stderr]   --> src/lib.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> src/lib.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 | let mut b:isize = 8;
[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: field is never read: `query`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     query:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filename`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     filename:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn new(a:T)->MyBox<T>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f2`
[INFO] [stderr]   --> src/main.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn f2<'a>(x:& mut &'a i8, y: &'a i8){
[INFO] [stderr]    |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `E`
[INFO] [stderr]    --> src/main.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 | struct E<'e, 'c :'e>{c:&'e  C<'c>}
[INFO] [stderr]     |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `c`
[INFO] [stderr]    --> src/main.rs:112:22
[INFO] [stderr]     |
[INFO] [stderr] 112 | struct E2<'e, T :'e>{c:&'e  T} //类似定义
[INFO] [stderr]     |                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fe`
[INFO] [stderr]    --> src/main.rs:114:4
[INFO] [stderr]     |
[INFO] [stderr] 114 | fn fe(x:C)->&isize{
[INFO] [stderr]     |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bar`
[INFO] [stderr]    --> src/main.rs:151:4
[INFO] [stderr]     |
[INFO] [stderr] 151 | fn bar() ->!{
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_webserver`
[INFO] [stderr]    --> src/main.rs:169:4
[INFO] [stderr]     |
[INFO] [stderr] 169 | fn test_webserver(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_associatedType` should have a snake case name
[INFO] [stderr]    --> src/main.rs:119:4
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn test_associatedType(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_associated_type`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_defaultTypeParameters` should have a snake case name
[INFO] [stderr]    --> src/main.rs:134:4
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn test_defaultTypeParameters(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_default_type_parameters`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_highType` should have a snake case name
[INFO] [stderr]    --> src/main.rs:149:4
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn test_highType(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_high_type`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_derivableTrait` should have a snake case name
[INFO] [stderr]    --> src/main.rs:194:4
[INFO] [stderr]     |
[INFO] [stderr] 194 | fn test_derivableTrait(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_derivable_trait`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 29 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "953a3996e004f693211b85014cee528bb986c8bb19d2505a954606b29be9f916"`
[INFO] running `"docker" "rm" "-f" "953a3996e004f693211b85014cee528bb986c8bb19d2505a954606b29be9f916"`
[INFO] [stdout] 953a3996e004f693211b85014cee528bb986c8bb19d2505a954606b29be9f916
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] ebdffcc487aaf3dbf67fb2b358bc8c97aaff06619e756ef9c49ef04f8017ae40
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ebdffcc487aaf3dbf67fb2b358bc8c97aaff06619e756ef9c49ef04f8017ae40"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(config:Config){
[INFO] [stderr]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `query`
[INFO] [stderr]   --> src/lib.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(config:Config){
[INFO] [stderr]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> src/lib.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `query`
[INFO] [stderr]   --> src/lib.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `query`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     query:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> src/lib.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filename`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     filename:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `search`
[INFO] [stderr]   --> src/lib.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `query`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     query:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filename`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     filename:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut a3:&Drop = &MyBox(3);
[INFO] [stderr]    |                 ^^^^ help: use `dyn`: `dyn Drop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |     if let e@1...5 = *a {println!("e={}",e)};
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:155:8
[INFO] [stderr]     |
[INFO] [stderr] 155 | let s:&std::fmt::Display = &"hi";
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:158:35
[INFO] [stderr]     |
[INFO] [stderr] 158 | fn fa(f:fn(i32)->i32, a:i32)->Box<Fn()->i32>{
[INFO] [stderr]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn Fn()->i32`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]    --> src/main.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |     use std::net::TcpStream;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `a3` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut a3:&Drop = &MyBox(3);
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_a3` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `a3` is never read
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     a3 = &a2;
[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: `b`
[INFO] [stderr]   --> src/main.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let b = *a;
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `d` is never read
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | let mut d:& i8 = &5;
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 | let e = E2{c:&c};
[INFO] [stderr]     |     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(config:Config){
[INFO] [stderr]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `query`
[INFO] [stderr]   --> src/lib.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> src/lib.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str)
[INFO] [stderr]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 | let mut b:isize = 8;
[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: field is never read: `query`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     query:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filename`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     filename:&'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn new(a:T)->MyBox<T>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f2`
[INFO] [stderr]   --> src/main.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn f2<'a>(x:& mut &'a i8, y: &'a i8){
[INFO] [stderr]    |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `E`
[INFO] [stderr]    --> src/main.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 | struct E<'e, 'c :'e>{c:&'e  C<'c>}
[INFO] [stderr]     |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `c`
[INFO] [stderr]    --> src/main.rs:112:22
[INFO] [stderr]     |
[INFO] [stderr] 112 | struct E2<'e, T :'e>{c:&'e  T} //类似定义
[INFO] [stderr]     |                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fe`
[INFO] [stderr]    --> src/main.rs:114:4
[INFO] [stderr]     |
[INFO] [stderr] 114 | fn fe(x:C)->&isize{
[INFO] [stderr]     |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bar`
[INFO] [stderr]    --> src/main.rs:151:4
[INFO] [stderr]     |
[INFO] [stderr] 151 | fn bar() ->!{
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_webserver`
[INFO] [stderr]    --> src/main.rs:169:4
[INFO] [stderr]     |
[INFO] [stderr] 169 | fn test_webserver(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_associatedType` should have a snake case name
[INFO] [stderr]    --> src/main.rs:119:4
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn test_associatedType(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_associated_type`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_defaultTypeParameters` should have a snake case name
[INFO] [stderr]    --> src/main.rs:134:4
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn test_defaultTypeParameters(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_default_type_parameters`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_highType` should have a snake case name
[INFO] [stderr]    --> src/main.rs:149:4
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn test_highType(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_high_type`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_derivableTrait` should have a snake case name
[INFO] [stderr]    --> src/main.rs:194:4
[INFO] [stderr]     |
[INFO] [stderr] 194 | fn test_derivableTrait(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_derivable_trait`
[INFO] [stderr] 
[INFO] [stderr] warning: 29 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/htqx_minigrep-061d4ba17347bf3c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::one ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::one stdout ----
[INFO] [stdout] thread 'tests::one' panicked at 'assertion failed: vec!["safe,fase,productive."] == search(query, contents)', src/lib.rs:57:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55861b0324a4 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55861b0324a4 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55861b0324a4 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55861b0324a4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h41a0a93ab85e6aa1
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55861b05b0ec - core::fmt::write::hdaea18585065a96d
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x55861afe6185 - std::io::Write::write_fmt::h42f0550b6bd39c6e
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x55861b02ca91 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h223d7b7033cad46d
[INFO] [stdout]                                at src/libstd/io/impls.rs:156
[INFO] [stdout]    7:     0x55861b034d75 - std::sys_common::backtrace::_print::hd95f9978cc145ca4
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55861b034d75 - std::sys_common::backtrace::print::hfb25ca2291be47d0
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55861b034d75 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55861b034a5b - std::panicking::default_hook::h198e1a712910f1e6
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x55861b0353d2 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   12:     0x55861afe277d - std::panicking::begin_panic::h54ddb07744067baf
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438
[INFO] [stdout]   13:     0x55861afe2deb - htqx_minigrep::tests::one::h32b32d893480070f
[INFO] [stdout]                                at src/lib.rs:57
[INFO] [stdout]   14:     0x55861afe2cca - htqx_minigrep::tests::one::{{closure}}::hac801c24531a2c45
[INFO] [stdout]                                at src/lib.rs:50
[INFO] [stdout]   15:     0x55861afe4d2e - core::ops::function::FnOnce::call_once::hf207fb1d7dd1f3ff
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232
[INFO] [stdout]   16:     0x55861b00d616 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc165f65f4331a55c
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008
[INFO] [stdout]   17:     0x55861b00d616 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb89f1f769cad07ce
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318
[INFO] [stdout]   18:     0x55861b00d616 - std::panicking::try::do_call::h104f7f3dae5a1b29
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331
[INFO] [stdout]   19:     0x55861b00d616 - std::panicking::try::h0e20f01361cba753
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274
[INFO] [stdout]   20:     0x55861b00d616 - std::panic::catch_unwind::h0bd0c84b5f4cd121
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x55861b00d616 - test::run_test_in_process::hf34c22adfeb6853d
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   22:     0x55861b00d616 - test::run_test::run_test_inner::{{closure}}::h40d568b4c10a12f1
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   23:     0x55861afe5636 - std::sys_common::backtrace::__rust_begin_short_backtrace::hffd9774ad3f2d778
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   24:     0x55861afea9c5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4594020476cf52d4
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475
[INFO] [stdout]   25:     0x55861afea9c5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d0a6d45b73e29e4
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318
[INFO] [stdout]   26:     0x55861afea9c5 - std::panicking::try::do_call::h902fd77b30bb3bb7
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331
[INFO] [stdout]   27:     0x55861afea9c5 - std::panicking::try::hc17d3a628e65d49d
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274
[INFO] [stdout]   28:     0x55861afea9c5 - std::panic::catch_unwind::h9c9d49cbb6b18017
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x55861afea9c5 - std::thread::Builder::spawn_unchecked::{{closure}}::h6a6f5a333fd631a2
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474
[INFO] [stdout]   30:     0x55861afea9c5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha6fb197e0ce57f73
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232
[INFO] [stdout]   31:     0x55861b03bbba - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1f1fac7de7dd9691
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008
[INFO] [stdout]   32:     0x55861b03bbba - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::ha031f48633a6af54
[INFO] [stdout]                                at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008
[INFO] [stdout]   33:     0x55861b03bbba - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   34:     0x7f77acdc8609 - start_thread
[INFO] [stdout]   35:     0x7f77accd4103 - __clone
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::one
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "ebdffcc487aaf3dbf67fb2b358bc8c97aaff06619e756ef9c49ef04f8017ae40"`
[INFO] running `"docker" "rm" "-f" "ebdffcc487aaf3dbf67fb2b358bc8c97aaff06619e756ef9c49ef04f8017ae40"`
[INFO] [stdout] ebdffcc487aaf3dbf67fb2b358bc8c97aaff06619e756ef9c49ef04f8017ae40