Oct 31 23:21:19.767 INFO checking pepeul1191/rust-tutorial against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 23:21:19.769 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 31 23:21:20.173 INFO blam! 555420420b4c3f2a89a1d1764b6b756eef763be0f45d11cda0b4d507f04b4922
Oct 31 23:21:20.181 INFO running `"docker" "start" "-a" "555420420b4c3f2a89a1d1764b6b756eef763be0f45d11cda0b4d507f04b4922"`
Oct 31 23:21:21.669 INFO kablam! usermod: no changes
Oct 31 23:21:21.804 INFO kablam!     Checking groupable v0.2.0
Oct 31 23:21:21.821 INFO kablam!     Checking mustache v0.8.2
Oct 31 23:21:21.821 INFO kablam!     Checking hyper v0.10.13
Oct 31 23:21:26.204 INFO kablam!     Checking nickel v0.10.1
Oct 31 23:21:28.566 INFO kablam!     Checking nickel-demo v0.1.0 (/source)
Oct 31 23:21:30.196 INFO kablam! warning: unused variable: `is_it_true`
Oct 31 23:21:30.196 INFO kablam!   --> src/main.rs:11:7
Oct 31 23:21:30.196 INFO kablam!    |
Oct 31 23:21:30.196 INFO kablam! 11 |   let is_it_true: bool = true;
Oct 31 23:21:30.196 INFO kablam!    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Oct 31 23:21:30.196 INFO kablam!    |
Oct 31 23:21:30.196 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 23:21:30.196 INFO kablam! 
Oct 31 23:21:30.196 INFO kablam! warning: unused variable: `let_x`
Oct 31 23:21:30.196 INFO kablam!   --> src/main.rs:12:7
Oct 31 23:21:30.196 INFO kablam!    |
Oct 31 23:21:30.196 INFO kablam! 12 |   let let_x: char = 'x';
Oct 31 23:21:30.196 INFO kablam!    |       ^^^^^ help: consider using `_let_x` instead
Oct 31 23:21:30.196 INFO kablam! 
Oct 31 23:21:30.200 INFO kablam! warning: variable does not need to be mutable
Oct 31 23:21:30.200 INFO kablam!   --> src/main.rs:10:7
Oct 31 23:21:30.200 INFO kablam!    |
Oct 31 23:21:30.200 INFO kablam! 10 |   let mut num: i32 = 10;
Oct 31 23:21:30.200 INFO kablam!    |       ----^^^
Oct 31 23:21:30.200 INFO kablam!    |       |
Oct 31 23:21:30.200 INFO kablam!    |       help: remove this `mut`
Oct 31 23:21:30.200 INFO kablam!    |
Oct 31 23:21:30.200 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 23:21:30.200 INFO kablam! 
Oct 31 23:21:30.204 INFO kablam! warning: unused variable: `is_it_true`
Oct 31 23:21:30.204 INFO kablam!   --> src/main.rs:11:7
Oct 31 23:21:30.204 INFO kablam!    |
Oct 31 23:21:30.204 INFO kablam! 11 |   let is_it_true: bool = true;
Oct 31 23:21:30.204 INFO kablam!    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Oct 31 23:21:30.204 INFO kablam!    |
Oct 31 23:21:30.204 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 23:21:30.204 INFO kablam! 
Oct 31 23:21:30.204 INFO kablam! warning: unused variable: `let_x`
Oct 31 23:21:30.204 INFO kablam!   --> src/main.rs:12:7
Oct 31 23:21:30.204 INFO kablam!    |
Oct 31 23:21:30.204 INFO kablam! 12 |   let let_x: char = 'x';
Oct 31 23:21:30.204 INFO kablam!    |       ^^^^^ help: consider using `_let_x` instead
Oct 31 23:21:30.204 INFO kablam! 
Oct 31 23:21:30.204 INFO kablam! warning: function is never used: `func2`
Oct 31 23:21:30.204 INFO kablam!  --> src/constants.rs:2:2
Oct 31 23:21:30.204 INFO kablam!   |
Oct 31 23:21:30.204 INFO kablam! 2 |     pub fn func2() {
Oct 31 23:21:30.204 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 31 23:21:30.205 INFO kablam!   |
Oct 31 23:21:30.205 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 23:21:30.205 INFO kablam! 
Oct 31 23:21:30.205 INFO kablam! warning: function is never used: `goodbye`
Oct 31 23:21:30.205 INFO kablam!  --> src/english/farewells.rs:1:1
Oct 31 23:21:30.205 INFO kablam!   |
Oct 31 23:21:30.205 INFO kablam! 1 | fn goodbye() -> String {
Oct 31 23:21:30.205 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:21:30.205 INFO kablam! 
Oct 31 23:21:30.205 INFO kablam! warning: function is never used: `hello`
Oct 31 23:21:30.205 INFO kablam!  --> src/japanese/greetings.rs:1:1
Oct 31 23:21:30.205 INFO kablam!   |
Oct 31 23:21:30.205 INFO kablam! 1 | fn hello() -> String {
Oct 31 23:21:30.205 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Oct 31 23:21:30.205 INFO kablam! 
Oct 31 23:21:30.205 INFO kablam! warning: function is never used: `goodbye`
Oct 31 23:21:30.205 INFO kablam!  --> src/japanese/farewells.rs:1:1
Oct 31 23:21:30.205 INFO kablam!   |
Oct 31 23:21:30.205 INFO kablam! 1 | fn goodbye() -> String {
Oct 31 23:21:30.205 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:21:30.205 INFO kablam! 
Oct 31 23:21:30.205 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 23:21:30.205 INFO kablam!   --> src/main.rs:32:3
Oct 31 23:21:30.205 INFO kablam!    |
Oct 31 23:21:30.205 INFO kablam! 32 |   server.listen("127.0.0.1:6767");
Oct 31 23:21:30.205 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:21:30.205 INFO kablam!    |
Oct 31 23:21:30.205 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 31 23:21:30.205 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 23:21:30.205 INFO kablam! 
Oct 31 23:21:30.212 INFO kablam! warning: variable does not need to be mutable
Oct 31 23:21:30.212 INFO kablam!   --> src/main.rs:10:7
Oct 31 23:21:30.212 INFO kablam!    |
Oct 31 23:21:30.212 INFO kablam! 10 |   let mut num: i32 = 10;
Oct 31 23:21:30.212 INFO kablam!    |       ----^^^
Oct 31 23:21:30.212 INFO kablam!    |       |
Oct 31 23:21:30.212 INFO kablam!    |       help: remove this `mut`
Oct 31 23:21:30.212 INFO kablam!    |
Oct 31 23:21:30.212 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 23:21:30.212 INFO kablam! 
Oct 31 23:21:30.212 INFO kablam! warning: function is never used: `func2`
Oct 31 23:21:30.212 INFO kablam!  --> src/constants.rs:2:2
Oct 31 23:21:30.212 INFO kablam!   |
Oct 31 23:21:30.212 INFO kablam! 2 |     pub fn func2() {
Oct 31 23:21:30.212 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 31 23:21:30.232 INFO kablam!   |
Oct 31 23:21:30.232 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 23:21:30.232 INFO kablam! 
Oct 31 23:21:30.232 INFO kablam! warning: function is never used: `goodbye`
Oct 31 23:21:30.232 INFO kablam!  --> src/english/farewells.rs:1:1
Oct 31 23:21:30.232 INFO kablam!   |
Oct 31 23:21:30.232 INFO kablam! 1 | fn goodbye() -> String {
Oct 31 23:21:30.232 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:21:30.232 INFO kablam! 
Oct 31 23:21:30.232 INFO kablam! warning: function is never used: `hello`
Oct 31 23:21:30.232 INFO kablam!  --> src/japanese/greetings.rs:1:1
Oct 31 23:21:30.232 INFO kablam!   |
Oct 31 23:21:30.232 INFO kablam! 1 | fn hello() -> String {
Oct 31 23:21:30.232 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Oct 31 23:21:30.232 INFO kablam! 
Oct 31 23:21:30.232 INFO kablam! warning: function is never used: `goodbye`
Oct 31 23:21:30.232 INFO kablam!  --> src/japanese/farewells.rs:1:1
Oct 31 23:21:30.232 INFO kablam!   |
Oct 31 23:21:30.232 INFO kablam! 1 | fn goodbye() -> String {
Oct 31 23:21:30.232 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:21:30.233 INFO kablam! 
Oct 31 23:21:30.233 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 23:21:30.233 INFO kablam!   --> src/main.rs:32:3
Oct 31 23:21:30.233 INFO kablam!    |
Oct 31 23:21:30.233 INFO kablam! 32 |   server.listen("127.0.0.1:6767");
Oct 31 23:21:30.233 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 23:21:30.240 INFO kablam!    |
Oct 31 23:21:30.240 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 31 23:21:30.240 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 23:21:30.240 INFO kablam! 
Oct 31 23:21:30.290 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.60s
Oct 31 23:21:30.305 INFO kablam! su: No module specific data is present
Oct 31 23:21:31.399 INFO running `"docker" "rm" "-f" "555420420b4c3f2a89a1d1764b6b756eef763be0f45d11cda0b4d507f04b4922"`
Oct 31 23:21:31.730 INFO blam! 555420420b4c3f2a89a1d1764b6b756eef763be0f45d11cda0b4d507f04b4922