Nov 06 16:13:25.845 INFO checking pepeul1191/rust-tutorial against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 16:13:25.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-6/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 06 16:13:26.266 INFO blam! 4c4890e88c77551b3af9a71215e079a324963f1fb9c467dac0c61bbf10063e08
Nov 06 16:13:26.268 INFO running `"docker" "start" "-a" "4c4890e88c77551b3af9a71215e079a324963f1fb9c467dac0c61bbf10063e08"`
Nov 06 16:13:27.669 INFO kablam! usermod: no changes
Nov 06 16:13:27.856 INFO kablam!     Checking mustache v0.8.2
Nov 06 16:13:27.856 INFO kablam!     Checking hyper v0.10.13
Nov 06 16:13:32.590 INFO kablam!     Checking nickel v0.10.1
Nov 06 16:13:35.308 INFO kablam!     Checking nickel-demo v0.1.0 (/source)
Nov 06 16:13:36.872 INFO kablam! warning: unused variable: `is_it_true`
Nov 06 16:13:36.872 INFO kablam!   --> src/main.rs:11:7
Nov 06 16:13:36.872 INFO kablam!    |
Nov 06 16:13:36.872 INFO kablam! 11 |   let is_it_true: bool = true;
Nov 06 16:13:36.872 INFO kablam!    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Nov 06 16:13:36.872 INFO kablam!    |
Nov 06 16:13:36.872 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 16:13:36.872 INFO kablam! 
Nov 06 16:13:36.872 INFO kablam! warning: unused variable: `let_x`
Nov 06 16:13:36.872 INFO kablam!   --> src/main.rs:12:7
Nov 06 16:13:36.872 INFO kablam!    |
Nov 06 16:13:36.872 INFO kablam! 12 |   let let_x: char = 'x';
Nov 06 16:13:36.872 INFO kablam!    |       ^^^^^ help: consider using `_let_x` instead
Nov 06 16:13:36.872 INFO kablam! 
Nov 06 16:13:36.892 INFO kablam! warning: variable does not need to be mutable
Nov 06 16:13:36.892 INFO kablam!   --> src/main.rs:10:7
Nov 06 16:13:36.892 INFO kablam!    |
Nov 06 16:13:36.892 INFO kablam! 10 |   let mut num: i32 = 10;
Nov 06 16:13:36.892 INFO kablam!    |       ----^^^
Nov 06 16:13:36.892 INFO kablam!    |       |
Nov 06 16:13:36.892 INFO kablam!    |       help: remove this `mut`
Nov 06 16:13:36.892 INFO kablam!    |
Nov 06 16:13:36.892 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 06 16:13:36.892 INFO kablam! 
Nov 06 16:13:36.892 INFO kablam! warning: function is never used: `func2`
Nov 06 16:13:36.892 INFO kablam!  --> src/constants.rs:2:2
Nov 06 16:13:36.892 INFO kablam!   |
Nov 06 16:13:36.892 INFO kablam! 2 |     pub fn func2() {
Nov 06 16:13:36.892 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 06 16:13:36.892 INFO kablam!   |
Nov 06 16:13:36.892 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 16:13:36.892 INFO kablam! 
Nov 06 16:13:36.895 INFO kablam! warning: function is never used: `goodbye`
Nov 06 16:13:36.895 INFO kablam!  --> src/english/farewells.rs:1:1
Nov 06 16:13:36.895 INFO kablam!   |
Nov 06 16:13:36.895 INFO kablam! 1 | fn goodbye() -> String {
Nov 06 16:13:36.895 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 06 16:13:36.895 INFO kablam! 
Nov 06 16:13:36.895 INFO kablam! warning: function is never used: `hello`
Nov 06 16:13:36.895 INFO kablam!  --> src/japanese/greetings.rs:1:1
Nov 06 16:13:36.895 INFO kablam!   |
Nov 06 16:13:36.895 INFO kablam! 1 | fn hello() -> String {
Nov 06 16:13:36.895 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Nov 06 16:13:36.895 INFO kablam! 
Nov 06 16:13:36.895 INFO kablam! warning: function is never used: `goodbye`
Nov 06 16:13:36.895 INFO kablam!  --> src/japanese/farewells.rs:1:1
Nov 06 16:13:36.895 INFO kablam!   |
Nov 06 16:13:36.895 INFO kablam! 1 | fn goodbye() -> String {
Nov 06 16:13:36.895 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 06 16:13:36.895 INFO kablam! 
Nov 06 16:13:36.908 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 16:13:36.908 INFO kablam!   --> src/main.rs:32:3
Nov 06 16:13:36.908 INFO kablam!    |
Nov 06 16:13:36.908 INFO kablam! 32 |   server.listen("127.0.0.1:6767");
Nov 06 16:13:36.908 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 16:13:36.908 INFO kablam!    |
Nov 06 16:13:36.908 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 06 16:13:36.908 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 16:13:36.908 INFO kablam! 
Nov 06 16:13:37.032 INFO kablam! warning: unused variable: `is_it_true`
Nov 06 16:13:37.032 INFO kablam!   --> src/main.rs:11:7
Nov 06 16:13:37.032 INFO kablam!    |
Nov 06 16:13:37.032 INFO kablam! 11 |   let is_it_true: bool = true;
Nov 06 16:13:37.032 INFO kablam!    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Nov 06 16:13:37.032 INFO kablam!    |
Nov 06 16:13:37.032 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 16:13:37.032 INFO kablam! 
Nov 06 16:13:37.032 INFO kablam! warning: unused variable: `let_x`
Nov 06 16:13:37.032 INFO kablam!   --> src/main.rs:12:7
Nov 06 16:13:37.032 INFO kablam!    |
Nov 06 16:13:37.032 INFO kablam! 12 |   let let_x: char = 'x';
Nov 06 16:13:37.032 INFO kablam!    |       ^^^^^ help: consider using `_let_x` instead
Nov 06 16:13:37.032 INFO kablam! 
Nov 06 16:13:37.040 INFO kablam! warning: variable does not need to be mutable
Nov 06 16:13:37.040 INFO kablam!   --> src/main.rs:10:7
Nov 06 16:13:37.040 INFO kablam!    |
Nov 06 16:13:37.040 INFO kablam! 10 |   let mut num: i32 = 10;
Nov 06 16:13:37.040 INFO kablam!    |       ----^^^
Nov 06 16:13:37.040 INFO kablam!    |       |
Nov 06 16:13:37.040 INFO kablam!    |       help: remove this `mut`
Nov 06 16:13:37.040 INFO kablam!    |
Nov 06 16:13:37.040 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 06 16:13:37.040 INFO kablam! 
Nov 06 16:13:37.043 INFO kablam! warning: function is never used: `func2`
Nov 06 16:13:37.043 INFO kablam!  --> src/constants.rs:2:2
Nov 06 16:13:37.043 INFO kablam!   |
Nov 06 16:13:37.043 INFO kablam! 2 |     pub fn func2() {
Nov 06 16:13:37.043 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 06 16:13:37.043 INFO kablam!   |
Nov 06 16:13:37.043 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 16:13:37.043 INFO kablam! 
Nov 06 16:13:37.043 INFO kablam! warning: function is never used: `goodbye`
Nov 06 16:13:37.043 INFO kablam!  --> src/english/farewells.rs:1:1
Nov 06 16:13:37.043 INFO kablam!   |
Nov 06 16:13:37.043 INFO kablam! 1 | fn goodbye() -> String {
Nov 06 16:13:37.043 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 06 16:13:37.043 INFO kablam! 
Nov 06 16:13:37.043 INFO kablam! warning: function is never used: `hello`
Nov 06 16:13:37.043 INFO kablam!  --> src/japanese/greetings.rs:1:1
Nov 06 16:13:37.043 INFO kablam!   |
Nov 06 16:13:37.043 INFO kablam! 1 | fn hello() -> String {
Nov 06 16:13:37.043 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Nov 06 16:13:37.043 INFO kablam! 
Nov 06 16:13:37.043 INFO kablam! warning: function is never used: `goodbye`
Nov 06 16:13:37.043 INFO kablam!  --> src/japanese/farewells.rs:1:1
Nov 06 16:13:37.043 INFO kablam!   |
Nov 06 16:13:37.043 INFO kablam! 1 | fn goodbye() -> String {
Nov 06 16:13:37.043 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 06 16:13:37.043 INFO kablam! 
Nov 06 16:13:37.043 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 16:13:37.043 INFO kablam!   --> src/main.rs:32:3
Nov 06 16:13:37.043 INFO kablam!    |
Nov 06 16:13:37.043 INFO kablam! 32 |   server.listen("127.0.0.1:6767");
Nov 06 16:13:37.043 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 16:13:37.043 INFO kablam!    |
Nov 06 16:13:37.043 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 06 16:13:37.043 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 16:13:37.043 INFO kablam! 
Nov 06 16:13:37.084 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.37s
Nov 06 16:13:37.112 INFO kablam! su: No module specific data is present
Nov 06 16:13:38.325 INFO running `"docker" "rm" "-f" "4c4890e88c77551b3af9a71215e079a324963f1fb9c467dac0c61bbf10063e08"`
Nov 06 16:13:38.583 INFO blam! 4c4890e88c77551b3af9a71215e079a324963f1fb9c467dac0c61bbf10063e08