Oct 12 15:52:09.058 INFO checking pepeul1191/rust-tutorial against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 15:52:09.058 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 15:52:09.385 INFO blam! 38418a743b60a7981535d40c924ec8ae16afa53a9b9f5dd8fdc87351e6e38dcb
Oct 12 15:52:09.388 INFO running `"docker" "start" "-a" "38418a743b60a7981535d40c924ec8ae16afa53a9b9f5dd8fdc87351e6e38dcb"`
Oct 12 15:52:10.380 INFO kablam! usermod: no changes
Oct 12 15:52:10.535 INFO kablam!     Checking mustache v0.8.2
Oct 12 15:52:10.535 INFO kablam!     Checking hyper v0.10.13
Oct 12 15:52:14.658 INFO kablam!     Checking nickel v0.10.1
Oct 12 15:52:17.204 INFO kablam!     Checking nickel-demo v0.1.0 (/source)
Oct 12 15:52:18.416 INFO kablam! warning: unused variable: `is_it_true`
Oct 12 15:52:18.416 INFO kablam!   --> src/main.rs:11:7
Oct 12 15:52:18.417 INFO kablam!    |
Oct 12 15:52:18.417 INFO kablam! 11 |   let is_it_true: bool = true;
Oct 12 15:52:18.417 INFO kablam!    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Oct 12 15:52:18.417 INFO kablam!    |
Oct 12 15:52:18.417 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 15:52:18.417 INFO kablam! 
Oct 12 15:52:18.417 INFO kablam! warning: unused variable: `let_x`
Oct 12 15:52:18.417 INFO kablam!   --> src/main.rs:12:7
Oct 12 15:52:18.417 INFO kablam!    |
Oct 12 15:52:18.417 INFO kablam! 12 |   let let_x: char = 'x';
Oct 12 15:52:18.417 INFO kablam!    |       ^^^^^ help: consider using `_let_x` instead
Oct 12 15:52:18.417 INFO kablam! 
Oct 12 15:52:18.418 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:52:18.418 INFO kablam!   --> src/main.rs:10:7
Oct 12 15:52:18.418 INFO kablam!    |
Oct 12 15:52:18.418 INFO kablam! 10 |   let mut num: i32 = 10;
Oct 12 15:52:18.418 INFO kablam!    |       ----^^^
Oct 12 15:52:18.419 INFO kablam!    |       |
Oct 12 15:52:18.419 INFO kablam!    |       help: remove this `mut`
Oct 12 15:52:18.419 INFO kablam!    |
Oct 12 15:52:18.419 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 15:52:18.419 INFO kablam! 
Oct 12 15:52:18.419 INFO kablam! warning: function is never used: `func2`
Oct 12 15:52:18.419 INFO kablam!  --> src/constants.rs:2:2
Oct 12 15:52:18.419 INFO kablam!   |
Oct 12 15:52:18.419 INFO kablam! 2 |     pub fn func2() {
Oct 12 15:52:18.419 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 12 15:52:18.419 INFO kablam!   |
Oct 12 15:52:18.420 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 15:52:18.420 INFO kablam! 
Oct 12 15:52:18.420 INFO kablam! warning: function is never used: `goodbye`
Oct 12 15:52:18.420 INFO kablam!  --> src/english/farewells.rs:1:1
Oct 12 15:52:18.420 INFO kablam!   |
Oct 12 15:52:18.420 INFO kablam! 1 | fn goodbye() -> String {
Oct 12 15:52:18.420 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:52:18.420 INFO kablam! 
Oct 12 15:52:18.420 INFO kablam! warning: function is never used: `hello`
Oct 12 15:52:18.420 INFO kablam!  --> src/japanese/greetings.rs:1:1
Oct 12 15:52:18.420 INFO kablam!   |
Oct 12 15:52:18.420 INFO kablam! 1 | fn hello() -> String {
Oct 12 15:52:18.420 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Oct 12 15:52:18.421 INFO kablam! 
Oct 12 15:52:18.421 INFO kablam! warning: function is never used: `goodbye`
Oct 12 15:52:18.421 INFO kablam!  --> src/japanese/farewells.rs:1:1
Oct 12 15:52:18.421 INFO kablam!   |
Oct 12 15:52:18.421 INFO kablam! 1 | fn goodbye() -> String {
Oct 12 15:52:18.421 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:52:18.421 INFO kablam! 
Oct 12 15:52:18.421 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 15:52:18.421 INFO kablam!   --> src/main.rs:32:3
Oct 12 15:52:18.421 INFO kablam!    |
Oct 12 15:52:18.421 INFO kablam! 32 |   server.listen("127.0.0.1:6767");
Oct 12 15:52:18.421 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:52:18.421 INFO kablam!    |
Oct 12 15:52:18.421 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 15:52:18.421 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 15:52:18.421 INFO kablam! 
Oct 12 15:52:18.612 INFO kablam! warning: unused variable: `is_it_true`
Oct 12 15:52:18.612 INFO kablam!   --> src/main.rs:11:7
Oct 12 15:52:18.612 INFO kablam!    |
Oct 12 15:52:18.612 INFO kablam! 11 |   let is_it_true: bool = true;
Oct 12 15:52:18.613 INFO kablam!    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Oct 12 15:52:18.613 INFO kablam!    |
Oct 12 15:52:18.613 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 15:52:18.613 INFO kablam! 
Oct 12 15:52:18.613 INFO kablam! warning: unused variable: `let_x`
Oct 12 15:52:18.613 INFO kablam!   --> src/main.rs:12:7
Oct 12 15:52:18.613 INFO kablam!    |
Oct 12 15:52:18.613 INFO kablam! 12 |   let let_x: char = 'x';
Oct 12 15:52:18.613 INFO kablam!    |       ^^^^^ help: consider using `_let_x` instead
Oct 12 15:52:18.613 INFO kablam! 
Oct 12 15:52:18.621 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:52:18.621 INFO kablam!   --> src/main.rs:10:7
Oct 12 15:52:18.621 INFO kablam!    |
Oct 12 15:52:18.621 INFO kablam! 10 |   let mut num: i32 = 10;
Oct 12 15:52:18.621 INFO kablam!    |       ----^^^
Oct 12 15:52:18.621 INFO kablam!    |       |
Oct 12 15:52:18.621 INFO kablam!    |       help: remove this `mut`
Oct 12 15:52:18.621 INFO kablam!    |
Oct 12 15:52:18.621 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 15:52:18.621 INFO kablam! 
Oct 12 15:52:18.621 INFO kablam! warning: function is never used: `func2`
Oct 12 15:52:18.621 INFO kablam!  --> src/constants.rs:2:2
Oct 12 15:52:18.621 INFO kablam!   |
Oct 12 15:52:18.621 INFO kablam! 2 |     pub fn func2() {
Oct 12 15:52:18.621 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 12 15:52:18.621 INFO kablam!   |
Oct 12 15:52:18.621 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 15:52:18.621 INFO kablam! 
Oct 12 15:52:18.621 INFO kablam! warning: function is never used: `goodbye`
Oct 12 15:52:18.621 INFO kablam!  --> src/english/farewells.rs:1:1
Oct 12 15:52:18.621 INFO kablam!   |
Oct 12 15:52:18.621 INFO kablam! 1 | fn goodbye() -> String {
Oct 12 15:52:18.621 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:52:18.621 INFO kablam! 
Oct 12 15:52:18.621 INFO kablam! warning: function is never used: `hello`
Oct 12 15:52:18.621 INFO kablam!  --> src/japanese/greetings.rs:1:1
Oct 12 15:52:18.621 INFO kablam!   |
Oct 12 15:52:18.621 INFO kablam! 1 | fn hello() -> String {
Oct 12 15:52:18.621 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Oct 12 15:52:18.621 INFO kablam! 
Oct 12 15:52:18.621 INFO kablam! warning: function is never used: `goodbye`
Oct 12 15:52:18.621 INFO kablam!  --> src/japanese/farewells.rs:1:1
Oct 12 15:52:18.621 INFO kablam!   |
Oct 12 15:52:18.621 INFO kablam! 1 | fn goodbye() -> String {
Oct 12 15:52:18.621 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:52:18.621 INFO kablam! 
Oct 12 15:52:18.621 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 15:52:18.621 INFO kablam!   --> src/main.rs:32:3
Oct 12 15:52:18.621 INFO kablam!    |
Oct 12 15:52:18.621 INFO kablam! 32 |   server.listen("127.0.0.1:6767");
Oct 12 15:52:18.621 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:52:18.621 INFO kablam!    |
Oct 12 15:52:18.621 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 15:52:18.621 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 15:52:18.621 INFO kablam! 
Oct 12 15:52:18.643 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.22s
Oct 12 15:52:18.653 INFO kablam! su: No module specific data is present
Oct 12 15:52:18.934 INFO running `"docker" "rm" "-f" "38418a743b60a7981535d40c924ec8ae16afa53a9b9f5dd8fdc87351e6e38dcb"`
Oct 12 15:52:19.032 INFO blam! 38418a743b60a7981535d40c924ec8ae16afa53a9b9f5dd8fdc87351e6e38dcb