Nov 09 07:23:51.621 INFO checking pepeul1191/rust-tutorial against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 07:23:51.623 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-4/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 07:23:52.066 INFO blam! 7dd5687bb9ff889ef4c135e0e7585885c60499052edd5dce60419f4228c55d33
Nov 09 07:23:52.067 INFO running `"docker" "start" "-a" "7dd5687bb9ff889ef4c135e0e7585885c60499052edd5dce60419f4228c55d33"`
Nov 09 07:23:53.731 INFO kablam! usermod: no changes
Nov 09 07:23:53.883 INFO kablam!     Checking url v1.6.0
Nov 09 07:23:53.883 INFO kablam!     Checking mustache v0.8.2
Nov 09 07:23:56.044 INFO kablam!     Checking hyper v0.10.13
Nov 09 07:24:00.329 INFO kablam!     Checking nickel v0.10.1
Nov 09 07:24:02.855 INFO kablam!     Checking nickel-demo v0.1.0 (/source)
Nov 09 07:24:03.931 INFO kablam! warning: unused variable: `is_it_true`
Nov 09 07:24:03.931 INFO kablam!   --> src/main.rs:11:7
Nov 09 07:24:03.931 INFO kablam!    |
Nov 09 07:24:03.931 INFO kablam! 11 |   let is_it_true: bool = true;
Nov 09 07:24:03.931 INFO kablam!    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Nov 09 07:24:03.931 INFO kablam!    |
Nov 09 07:24:03.931 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 07:24:03.931 INFO kablam! 
Nov 09 07:24:03.931 INFO kablam! warning: unused variable: `let_x`
Nov 09 07:24:03.931 INFO kablam!   --> src/main.rs:12:7
Nov 09 07:24:03.931 INFO kablam!    |
Nov 09 07:24:03.931 INFO kablam! 12 |   let let_x: char = 'x';
Nov 09 07:24:03.931 INFO kablam!    |       ^^^^^ help: consider using `_let_x` instead
Nov 09 07:24:03.931 INFO kablam! 
Nov 09 07:24:03.931 INFO kablam! warning: variable does not need to be mutable
Nov 09 07:24:03.931 INFO kablam!   --> src/main.rs:10:7
Nov 09 07:24:03.931 INFO kablam!    |
Nov 09 07:24:03.931 INFO kablam! 10 |   let mut num: i32 = 10;
Nov 09 07:24:03.931 INFO kablam!    |       ----^^^
Nov 09 07:24:03.931 INFO kablam!    |       |
Nov 09 07:24:03.931 INFO kablam!    |       help: remove this `mut`
Nov 09 07:24:03.931 INFO kablam!    |
Nov 09 07:24:03.931 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 07:24:03.931 INFO kablam! 
Nov 09 07:24:03.939 INFO kablam! warning: function is never used: `func2`
Nov 09 07:24:03.939 INFO kablam!  --> src/constants.rs:2:2
Nov 09 07:24:03.939 INFO kablam!   |
Nov 09 07:24:03.939 INFO kablam! 2 |     pub fn func2() {
Nov 09 07:24:03.939 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 09 07:24:03.939 INFO kablam!   |
Nov 09 07:24:03.939 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 09 07:24:03.939 INFO kablam! 
Nov 09 07:24:03.939 INFO kablam! warning: function is never used: `goodbye`
Nov 09 07:24:03.939 INFO kablam!  --> src/english/farewells.rs:1:1
Nov 09 07:24:03.939 INFO kablam!   |
Nov 09 07:24:03.939 INFO kablam! 1 | fn goodbye() -> String {
Nov 09 07:24:03.939 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 09 07:24:03.939 INFO kablam! 
Nov 09 07:24:03.939 INFO kablam! warning: function is never used: `hello`
Nov 09 07:24:03.939 INFO kablam!  --> src/japanese/greetings.rs:1:1
Nov 09 07:24:03.939 INFO kablam!   |
Nov 09 07:24:03.939 INFO kablam! 1 | fn hello() -> String {
Nov 09 07:24:03.939 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Nov 09 07:24:03.939 INFO kablam! 
Nov 09 07:24:03.939 INFO kablam! warning: function is never used: `goodbye`
Nov 09 07:24:03.939 INFO kablam!  --> src/japanese/farewells.rs:1:1
Nov 09 07:24:03.939 INFO kablam!   |
Nov 09 07:24:03.939 INFO kablam! 1 | fn goodbye() -> String {
Nov 09 07:24:03.939 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 09 07:24:03.939 INFO kablam! 
Nov 09 07:24:03.939 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 07:24:03.939 INFO kablam!   --> src/main.rs:32:3
Nov 09 07:24:03.939 INFO kablam!    |
Nov 09 07:24:03.939 INFO kablam! 32 |   server.listen("127.0.0.1:6767");
Nov 09 07:24:03.939 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 07:24:03.939 INFO kablam!    |
Nov 09 07:24:03.939 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 07:24:03.939 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 07:24:03.939 INFO kablam! 
Nov 09 07:24:04.100 INFO kablam! warning: unused variable: `is_it_true`
Nov 09 07:24:04.100 INFO kablam!   --> src/main.rs:11:7
Nov 09 07:24:04.100 INFO kablam!    |
Nov 09 07:24:04.100 INFO kablam! 11 |   let is_it_true: bool = true;
Nov 09 07:24:04.100 INFO kablam!    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Nov 09 07:24:04.100 INFO kablam!    |
Nov 09 07:24:04.100 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 07:24:04.100 INFO kablam! 
Nov 09 07:24:04.100 INFO kablam! warning: unused variable: `let_x`
Nov 09 07:24:04.100 INFO kablam!   --> src/main.rs:12:7
Nov 09 07:24:04.100 INFO kablam!    |
Nov 09 07:24:04.100 INFO kablam! 12 |   let let_x: char = 'x';
Nov 09 07:24:04.100 INFO kablam!    |       ^^^^^ help: consider using `_let_x` instead
Nov 09 07:24:04.100 INFO kablam! 
Nov 09 07:24:04.106 INFO kablam! warning: variable does not need to be mutable
Nov 09 07:24:04.107 INFO kablam!   --> src/main.rs:10:7
Nov 09 07:24:04.107 INFO kablam!    |
Nov 09 07:24:04.107 INFO kablam! 10 |   let mut num: i32 = 10;
Nov 09 07:24:04.107 INFO kablam!    |       ----^^^
Nov 09 07:24:04.107 INFO kablam!    |       |
Nov 09 07:24:04.107 INFO kablam!    |       help: remove this `mut`
Nov 09 07:24:04.107 INFO kablam!    |
Nov 09 07:24:04.107 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 07:24:04.107 INFO kablam! 
Nov 09 07:24:04.110 INFO kablam! warning: function is never used: `func2`
Nov 09 07:24:04.110 INFO kablam!  --> src/constants.rs:2:2
Nov 09 07:24:04.110 INFO kablam!   |
Nov 09 07:24:04.110 INFO kablam! 2 |     pub fn func2() {
Nov 09 07:24:04.110 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 09 07:24:04.110 INFO kablam!   |
Nov 09 07:24:04.110 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 09 07:24:04.110 INFO kablam! 
Nov 09 07:24:04.110 INFO kablam! warning: function is never used: `goodbye`
Nov 09 07:24:04.110 INFO kablam!  --> src/english/farewells.rs:1:1
Nov 09 07:24:04.110 INFO kablam!   |
Nov 09 07:24:04.110 INFO kablam! 1 | fn goodbye() -> String {
Nov 09 07:24:04.110 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 09 07:24:04.110 INFO kablam! 
Nov 09 07:24:04.110 INFO kablam! warning: function is never used: `hello`
Nov 09 07:24:04.110 INFO kablam!  --> src/japanese/greetings.rs:1:1
Nov 09 07:24:04.110 INFO kablam!   |
Nov 09 07:24:04.110 INFO kablam! 1 | fn hello() -> String {
Nov 09 07:24:04.110 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Nov 09 07:24:04.110 INFO kablam! 
Nov 09 07:24:04.110 INFO kablam! warning: function is never used: `goodbye`
Nov 09 07:24:04.110 INFO kablam!  --> src/japanese/farewells.rs:1:1
Nov 09 07:24:04.110 INFO kablam!   |
Nov 09 07:24:04.110 INFO kablam! 1 | fn goodbye() -> String {
Nov 09 07:24:04.110 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 09 07:24:04.110 INFO kablam! 
Nov 09 07:24:04.110 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 07:24:04.110 INFO kablam!   --> src/main.rs:32:3
Nov 09 07:24:04.110 INFO kablam!    |
Nov 09 07:24:04.110 INFO kablam! 32 |   server.listen("127.0.0.1:6767");
Nov 09 07:24:04.110 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 07:24:04.110 INFO kablam!    |
Nov 09 07:24:04.110 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 07:24:04.110 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 07:24:04.110 INFO kablam! 
Nov 09 07:24:04.144 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.39s
Nov 09 07:24:04.159 INFO kablam! su: No module specific data is present
Nov 09 07:24:04.735 INFO running `"docker" "rm" "-f" "7dd5687bb9ff889ef4c135e0e7585885c60499052edd5dce60419f4228c55d33"`
Nov 09 07:24:05.111 INFO blam! 7dd5687bb9ff889ef4c135e0e7585885c60499052edd5dce60419f4228c55d33