Nov 28 14:13:30.735 INFO checking CharlieChai/baby_code_rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:13:30.736 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 14:13:31.114 INFO [stdout] 9296ac1d4d977f5ef02a63c4ac6d36e2766be9220e5203107ad39eb3c4c12471
Nov 28 14:13:31.124 INFO running `"docker" "start" "-a" "9296ac1d4d977f5ef02a63c4ac6d36e2766be9220e5203107ad39eb3c4c12471"`
Nov 28 14:13:32.520 INFO [stderr] usermod: no changes
Nov 28 14:13:32.588 INFO [stderr]     Checking minigrep v0.1.0 (/source)
Nov 28 14:13:33.329 INFO [stderr] warning: unused import: `std::net::IpAddr`
Nov 28 14:13:33.329 INFO [stderr]  --> src/demo.rs:2:9
Nov 28 14:13:33.329 INFO [stderr]   |
Nov 28 14:13:33.329 INFO [stderr] 2 |     use std::net::IpAddr;
Nov 28 14:13:33.329 INFO [stderr]   |         ^^^^^^^^^^^^^^^^
Nov 28 14:13:33.329 INFO [stderr]   |
Nov 28 14:13:33.330 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:13:33.330 INFO [stderr] 
Nov 28 14:13:33.330 INFO [stderr] warning: unused imports: `Ipv4Addr`, `Ipv6Addr`, `SocketAddrV4`, `SocketAddrV6`
Nov 28 14:13:33.330 INFO [stderr]  --> src/demo.rs:3:20
Nov 28 14:13:33.330 INFO [stderr]   |
Nov 28 14:13:33.330 INFO [stderr] 3 |     use std::net::{Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6};
Nov 28 14:13:33.331 INFO [stderr]   |                    ^^^^^^^^  ^^^^^^^^              ^^^^^^^^^^^^  ^^^^^^^^^^^^
Nov 28 14:13:33.331 INFO [stderr] 
Nov 28 14:13:33.460 INFO [stderr] warning: unused import: `std::net::IpAddr`
Nov 28 14:13:33.460 INFO [stderr]  --> src/demo.rs:2:9
Nov 28 14:13:33.460 INFO [stderr]   |
Nov 28 14:13:33.460 INFO [stderr] 2 |     use std::net::IpAddr;
Nov 28 14:13:33.460 INFO [stderr]   |         ^^^^^^^^^^^^^^^^
Nov 28 14:13:33.460 INFO [stderr]   |
Nov 28 14:13:33.460 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:13:33.460 INFO [stderr] 
Nov 28 14:13:33.460 INFO [stderr] warning: unused imports: `Ipv4Addr`, `Ipv6Addr`, `SocketAddrV4`, `SocketAddrV6`
Nov 28 14:13:33.460 INFO [stderr]  --> src/demo.rs:3:20
Nov 28 14:13:33.460 INFO [stderr]   |
Nov 28 14:13:33.460 INFO [stderr] 3 |     use std::net::{Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6};
Nov 28 14:13:33.460 INFO [stderr]   |                    ^^^^^^^^  ^^^^^^^^              ^^^^^^^^^^^^  ^^^^^^^^^^^^
Nov 28 14:13:33.460 INFO [stderr] 
Nov 28 14:13:33.559 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:13:33.559 INFO [stderr]   --> src/demo.rs:23:13
Nov 28 14:13:33.559 INFO [stderr]    |
Nov 28 14:13:33.559 INFO [stderr] 23 |         let mut counter = Arc::new(Mutex::new(a));
Nov 28 14:13:33.559 INFO [stderr]    |             ----^^^^^^^
Nov 28 14:13:33.559 INFO [stderr]    |             |
Nov 28 14:13:33.559 INFO [stderr]    |             help: remove this `mut`
Nov 28 14:13:33.559 INFO [stderr]    |
Nov 28 14:13:33.559 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 14:13:33.561 INFO [stderr] 
Nov 28 14:13:33.592 INFO [stderr] warning: enum is never used: `ServerAddr`
Nov 28 14:13:33.592 INFO [stderr]  --> src/demo.rs:8:5
Nov 28 14:13:33.592 INFO [stderr]   |
Nov 28 14:13:33.592 INFO [stderr] 8 |     enum ServerAddr {
Nov 28 14:13:33.592 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 28 14:13:33.592 INFO [stderr]   |
Nov 28 14:13:33.592 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 14:13:33.592 INFO [stderr] 
Nov 28 14:13:33.592 INFO [stderr] warning: method is never used: `listen_addr`
Nov 28 14:13:33.592 INFO [stderr]   --> src/demo.rs:14:9
Nov 28 14:13:33.592 INFO [stderr]    |
Nov 28 14:13:33.592 INFO [stderr] 14 |         fn listen_addr(self) -> SocketAddr {
Nov 28 14:13:33.592 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.592 INFO [stderr] 
Nov 28 14:13:33.592 INFO [stderr] warning: struct is never constructed: `Context`
Nov 28 14:13:33.592 INFO [stderr]   --> src/demo.rs:45:5
Nov 28 14:13:33.592 INFO [stderr]    |
Nov 28 14:13:33.592 INFO [stderr] 45 |     struct Context<'s>(&'s str);
Nov 28 14:13:33.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.592 INFO [stderr] 
Nov 28 14:13:33.592 INFO [stderr] warning: struct is never constructed: `Parser`
Nov 28 14:13:33.592 INFO [stderr]   --> src/demo.rs:47:5
Nov 28 14:13:33.592 INFO [stderr]    |
Nov 28 14:13:33.592 INFO [stderr] 47 |     struct Parser<'c, 's: 'c> {
Nov 28 14:13:33.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.592 INFO [stderr] 
Nov 28 14:13:33.592 INFO [stderr] warning: method is never used: `parse`
Nov 28 14:13:33.592 INFO [stderr]   --> src/demo.rs:52:9
Nov 28 14:13:33.592 INFO [stderr]    |
Nov 28 14:13:33.592 INFO [stderr] 52 |         fn parse(&self) -> Result<(), &'s str> {
Nov 28 14:13:33.592 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.592 INFO [stderr] 
Nov 28 14:13:33.592 INFO [stderr] warning: function is never used: `parse_content`
Nov 28 14:13:33.604 INFO [stderr]   --> src/demo.rs:57:5
Nov 28 14:13:33.604 INFO [stderr]    |
Nov 28 14:13:33.604 INFO [stderr] 57 |     fn parse_content(context: Context) -> Result<(), &str> {
Nov 28 14:13:33.604 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.604 INFO [stderr] 
Nov 28 14:13:33.604 INFO [stderr] warning: function is never used: `fa`
Nov 28 14:13:33.604 INFO [stderr]   --> src/demo.rs:65:5
Nov 28 14:13:33.604 INFO [stderr]    |
Nov 28 14:13:33.604 INFO [stderr] 65 |     fn fa(s: &mut String) -> &str {
Nov 28 14:13:33.604 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.604 INFO [stderr] 
Nov 28 14:13:33.604 INFO [stderr] warning: field is never used: `case_sensitive`
Nov 28 14:13:33.604 INFO [stderr]  --> src/grep.rs:9:5
Nov 28 14:13:33.604 INFO [stderr]   |
Nov 28 14:13:33.604 INFO [stderr] 9 |     case_sensitive: bool,
Nov 28 14:13:33.604 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.604 INFO [stderr] 
Nov 28 14:13:33.604 INFO [stderr] warning: method is never used: `new`
Nov 28 14:13:33.604 INFO [stderr]   --> src/stack.rs:14:5
Nov 28 14:13:33.604 INFO [stderr]    |
Nov 28 14:13:33.604 INFO [stderr] 14 |     fn new() -> Stack<T> {
Nov 28 14:13:33.604 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.604 INFO [stderr] 
Nov 28 14:13:33.604 INFO [stderr] warning: method is never used: `pop`
Nov 28 14:13:33.604 INFO [stderr]   --> src/stack.rs:18:5
Nov 28 14:13:33.604 INFO [stderr]    |
Nov 28 14:13:33.604 INFO [stderr] 18 |     fn pop(&mut self) -> Option<T> {
Nov 28 14:13:33.604 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.604 INFO [stderr] 
Nov 28 14:13:33.604 INFO [stderr] warning: method is never used: `push`
Nov 28 14:13:33.604 INFO [stderr]   --> src/stack.rs:30:5
Nov 28 14:13:33.604 INFO [stderr]    |
Nov 28 14:13:33.604 INFO [stderr] 30 |     fn push(&mut self, val: T) {
Nov 28 14:13:33.604 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.604 INFO [stderr] 
Nov 28 14:13:33.604 INFO [stderr] warning: method is never used: `is_empty`
Nov 28 14:13:33.604 INFO [stderr]   --> src/stack.rs:37:5
Nov 28 14:13:33.604 INFO [stderr]    |
Nov 28 14:13:33.604 INFO [stderr] 37 |     fn is_empty(&self) -> bool {
Nov 28 14:13:33.604 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.604 INFO [stderr] 
Nov 28 14:13:33.604 INFO [stderr] warning: method is never used: `new`
Nov 28 14:13:33.604 INFO [stderr]   --> src/stack.rs:43:5
Nov 28 14:13:33.604 INFO [stderr]    |
Nov 28 14:13:33.604 INFO [stderr] 43 |     fn new(v: T) -> StackNode<T> {
Nov 28 14:13:33.605 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.605 INFO [stderr] 
Nov 28 14:13:33.605 INFO [stderr] warning: type alias is never used: `BST`
Nov 28 14:13:33.605 INFO [stderr]   --> src/tree.rs:83:1
Nov 28 14:13:33.605 INFO [stderr]    |
Nov 28 14:13:33.605 INFO [stderr] 83 | type BST<K, V> = Node<K, V>;
Nov 28 14:13:33.605 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:33.605 INFO [stderr] 
Nov 28 14:13:33.944 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:13:33.944 INFO [stderr]   --> src/demo.rs:23:13
Nov 28 14:13:33.944 INFO [stderr]    |
Nov 28 14:13:33.944 INFO [stderr] 23 |         let mut counter = Arc::new(Mutex::new(a));
Nov 28 14:13:33.944 INFO [stderr]    |             ----^^^^^^^
Nov 28 14:13:33.944 INFO [stderr]    |             |
Nov 28 14:13:33.944 INFO [stderr]    |             help: remove this `mut`
Nov 28 14:13:33.944 INFO [stderr]    |
Nov 28 14:13:33.944 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 14:13:33.944 INFO [stderr] 
Nov 28 14:13:34.004 INFO [stderr] warning: enum is never used: `ServerAddr`
Nov 28 14:13:34.004 INFO [stderr]  --> src/demo.rs:8:5
Nov 28 14:13:34.004 INFO [stderr]   |
Nov 28 14:13:34.004 INFO [stderr] 8 |     enum ServerAddr {
Nov 28 14:13:34.004 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 28 14:13:34.004 INFO [stderr]   |
Nov 28 14:13:34.004 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 14:13:34.004 INFO [stderr] 
Nov 28 14:13:34.004 INFO [stderr] warning: method is never used: `listen_addr`
Nov 28 14:13:34.004 INFO [stderr]   --> src/demo.rs:14:9
Nov 28 14:13:34.004 INFO [stderr]    |
Nov 28 14:13:34.004 INFO [stderr] 14 |         fn listen_addr(self) -> SocketAddr {
Nov 28 14:13:34.005 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:34.005 INFO [stderr] 
Nov 28 14:13:34.005 INFO [stderr] warning: struct is never constructed: `Context`
Nov 28 14:13:34.005 INFO [stderr]   --> src/demo.rs:45:5
Nov 28 14:13:34.005 INFO [stderr]    |
Nov 28 14:13:34.005 INFO [stderr] 45 |     struct Context<'s>(&'s str);
Nov 28 14:13:34.005 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:34.005 INFO [stderr] 
Nov 28 14:13:34.005 INFO [stderr] warning: struct is never constructed: `Parser`
Nov 28 14:13:34.005 INFO [stderr]   --> src/demo.rs:47:5
Nov 28 14:13:34.005 INFO [stderr]    |
Nov 28 14:13:34.005 INFO [stderr] 47 |     struct Parser<'c, 's: 'c> {
Nov 28 14:13:34.005 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:34.005 INFO [stderr] 
Nov 28 14:13:34.005 INFO [stderr] warning: method is never used: `parse`
Nov 28 14:13:34.005 INFO [stderr]   --> src/demo.rs:52:9
Nov 28 14:13:34.005 INFO [stderr]    |
Nov 28 14:13:34.005 INFO [stderr] 52 |         fn parse(&self) -> Result<(), &'s str> {
Nov 28 14:13:34.005 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:34.005 INFO [stderr] 
Nov 28 14:13:34.005 INFO [stderr] warning: function is never used: `parse_content`
Nov 28 14:13:34.005 INFO [stderr]   --> src/demo.rs:57:5
Nov 28 14:13:34.005 INFO [stderr]    |
Nov 28 14:13:34.005 INFO [stderr] 57 |     fn parse_content(context: Context) -> Result<(), &str> {
Nov 28 14:13:34.005 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:34.005 INFO [stderr] 
Nov 28 14:13:34.005 INFO [stderr] warning: function is never used: `fa`
Nov 28 14:13:34.005 INFO [stderr]   --> src/demo.rs:65:5
Nov 28 14:13:34.005 INFO [stderr]    |
Nov 28 14:13:34.005 INFO [stderr] 65 |     fn fa(s: &mut String) -> &str {
Nov 28 14:13:34.005 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:34.005 INFO [stderr] 
Nov 28 14:13:34.005 INFO [stderr] warning: field is never used: `case_sensitive`
Nov 28 14:13:34.005 INFO [stderr]  --> src/grep.rs:9:5
Nov 28 14:13:34.005 INFO [stderr]   |
Nov 28 14:13:34.005 INFO [stderr] 9 |     case_sensitive: bool,
Nov 28 14:13:34.005 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 14:13:34.005 INFO [stderr] 
Nov 28 14:13:34.344 INFO [stderr] error[E0597]: `a` does not live long enough
Nov 28 14:13:34.344 INFO [stderr]   --> src/bin/server.rs:38:27
Nov 28 14:13:34.344 INFO [stderr]    |
Nov 28 14:13:34.344 INFO [stderr] 38 |     let r1 = Demo { name:&a };
Nov 28 14:13:34.344 INFO [stderr]    |                           ^ borrowed value does not live long enough
Nov 28 14:13:34.344 INFO [stderr] ...
Nov 28 14:13:34.344 INFO [stderr] 42 | }
Nov 28 14:13:34.344 INFO [stderr]    | - borrowed value only lives until here
Nov 28 14:13:34.344 INFO [stderr]    |
Nov 28 14:13:34.344 INFO [stderr]    = note: borrowed value must be valid for the static lifetime...
Nov 28 14:13:34.345 INFO [stderr] 
Nov 28 14:13:34.345 INFO [stderr] error[E0597]: `a` does not live long enough
Nov 28 14:13:34.345 INFO [stderr]   --> src/bin/server.rs:39:27
Nov 28 14:13:34.345 INFO [stderr]    |
Nov 28 14:13:34.345 INFO [stderr] 39 |     let r2 = Demo { name:&a };
Nov 28 14:13:34.345 INFO [stderr]    |                           ^ borrowed value does not live long enough
Nov 28 14:13:34.345 INFO [stderr] ...
Nov 28 14:13:34.345 INFO [stderr] 42 | }
Nov 28 14:13:34.345 INFO [stderr]    | - borrowed value only lives until here
Nov 28 14:13:34.348 INFO [stderr]    |
Nov 28 14:13:34.348 INFO [stderr]    = note: borrowed value must be valid for the static lifetime...
Nov 28 14:13:34.348 INFO [stderr] 
Nov 28 14:13:34.352 INFO [stderr] error: aborting due to 2 previous errors
Nov 28 14:13:34.352 INFO [stderr] 
Nov 28 14:13:34.352 INFO [stderr] For more information about this error, try `rustc --explain E0597`.
Nov 28 14:13:34.368 INFO [stderr] error: Could not compile `minigrep`.
Nov 28 14:13:34.368 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 14:13:34.564 INFO [stderr] error[E0597]: `a` does not live long enough
Nov 28 14:13:34.564 INFO [stderr]   --> src/bin/server.rs:38:27
Nov 28 14:13:34.564 INFO [stderr]    |
Nov 28 14:13:34.564 INFO [stderr] 38 |     let r1 = Demo { name:&a };
Nov 28 14:13:34.564 INFO [stderr]    |                           ^ borrowed value does not live long enough
Nov 28 14:13:34.564 INFO [stderr] ...
Nov 28 14:13:34.564 INFO [stderr] 42 | }
Nov 28 14:13:34.564 INFO [stderr]    | - borrowed value only lives until here
Nov 28 14:13:34.564 INFO [stderr]    |
Nov 28 14:13:34.564 INFO [stderr]    = note: borrowed value must be valid for the static lifetime...
Nov 28 14:13:34.564 INFO [stderr] 
Nov 28 14:13:34.564 INFO [stderr] error[E0597]: `a` does not live long enough
Nov 28 14:13:34.564 INFO [stderr]   --> src/bin/server.rs:39:27
Nov 28 14:13:34.564 INFO [stderr]    |
Nov 28 14:13:34.564 INFO [stderr] 39 |     let r2 = Demo { name:&a };
Nov 28 14:13:34.564 INFO [stderr]    |                           ^ borrowed value does not live long enough
Nov 28 14:13:34.564 INFO [stderr] ...
Nov 28 14:13:34.565 INFO [stderr] 42 | }
Nov 28 14:13:34.565 INFO [stderr]    | - borrowed value only lives until here
Nov 28 14:13:34.565 INFO [stderr]    |
Nov 28 14:13:34.565 INFO [stderr]    = note: borrowed value must be valid for the static lifetime...
Nov 28 14:13:34.565 INFO [stderr] 
Nov 28 14:13:34.576 INFO [stderr] error: aborting due to 2 previous errors
Nov 28 14:13:34.576 INFO [stderr] 
Nov 28 14:13:34.576 INFO [stderr] For more information about this error, try `rustc --explain E0597`.
Nov 28 14:13:34.584 INFO [stderr] error: Could not compile `minigrep`.
Nov 28 14:13:34.584 INFO [stderr] 
Nov 28 14:13:34.584 INFO [stderr] To learn more, run the command again with --verbose.
Nov 28 14:13:34.584 INFO [stderr] su: No module specific data is present
Nov 28 14:13:35.460 INFO running `"docker" "inspect" "9296ac1d4d977f5ef02a63c4ac6d36e2766be9220e5203107ad39eb3c4c12471"`
Nov 28 14:13:35.790 INFO running `"docker" "rm" "-f" "9296ac1d4d977f5ef02a63c4ac6d36e2766be9220e5203107ad39eb3c4c12471"`
Nov 28 14:13:36.120 INFO [stdout] 9296ac1d4d977f5ef02a63c4ac6d36e2766be9220e5203107ad39eb3c4c12471