Nov 27 22:57:42.459 INFO checking pepeul1191/rust-tutorial against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 22:57:42.461 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 27 22:57:42.823 INFO [stdout] 565c7fc380aca4f345fe2d8ebd185b83d773fd7aaaba5da516206aa74a75ae98
Nov 27 22:57:42.833 INFO running `"docker" "start" "-a" "565c7fc380aca4f345fe2d8ebd185b83d773fd7aaaba5da516206aa74a75ae98"`
Nov 27 22:57:43.804 INFO [stderr] usermod: no changes
Nov 27 22:57:43.965 INFO [stderr]     Checking groupable v0.2.0
Nov 27 22:57:43.965 INFO [stderr]     Checking mime v0.2.6
Nov 27 22:57:43.965 INFO [stderr]     Checking mustache v0.8.2
Nov 27 22:57:43.966 INFO [stderr]     Checking regex v0.2.5
Nov 27 22:57:45.456 INFO [stderr]     Checking hyper v0.10.13
Nov 27 22:57:50.595 INFO [stderr]     Checking nickel v0.10.1
Nov 27 22:57:53.309 INFO [stderr]     Checking nickel-demo v0.1.0 (/source)
Nov 27 22:57:54.640 INFO [stderr] warning: unused variable: `is_it_true`
Nov 27 22:57:54.640 INFO [stderr]   --> src/main.rs:11:7
Nov 27 22:57:54.640 INFO [stderr]    |
Nov 27 22:57:54.640 INFO [stderr] 11 |   let is_it_true: bool = true;
Nov 27 22:57:54.640 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Nov 27 22:57:54.640 INFO [stderr]    |
Nov 27 22:57:54.640 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 22:57:54.640 INFO [stderr] 
Nov 27 22:57:54.640 INFO [stderr] warning: unused variable: `let_x`
Nov 27 22:57:54.640 INFO [stderr]   --> src/main.rs:12:7
Nov 27 22:57:54.640 INFO [stderr]    |
Nov 27 22:57:54.640 INFO [stderr] 12 |   let let_x: char = 'x';
Nov 27 22:57:54.640 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Nov 27 22:57:54.640 INFO [stderr] 
Nov 27 22:57:54.645 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:57:54.646 INFO [stderr]   --> src/main.rs:10:7
Nov 27 22:57:54.646 INFO [stderr]    |
Nov 27 22:57:54.646 INFO [stderr] 10 |   let mut num: i32 = 10;
Nov 27 22:57:54.646 INFO [stderr]    |       ----^^^
Nov 27 22:57:54.646 INFO [stderr]    |       |
Nov 27 22:57:54.646 INFO [stderr]    |       help: remove this `mut`
Nov 27 22:57:54.646 INFO [stderr]    |
Nov 27 22:57:54.646 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 22:57:54.646 INFO [stderr] 
Nov 27 22:57:54.652 INFO [stderr] warning: function is never used: `func2`
Nov 27 22:57:54.652 INFO [stderr]  --> src/constants.rs:2:2
Nov 27 22:57:54.652 INFO [stderr]   |
Nov 27 22:57:54.652 INFO [stderr] 2 |     pub fn func2() {
Nov 27 22:57:54.652 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 27 22:57:54.652 INFO [stderr]   |
Nov 27 22:57:54.652 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 22:57:54.652 INFO [stderr] 
Nov 27 22:57:54.652 INFO [stderr] warning: function is never used: `goodbye`
Nov 27 22:57:54.652 INFO [stderr]  --> src/english/farewells.rs:1:1
Nov 27 22:57:54.652 INFO [stderr]   |
Nov 27 22:57:54.652 INFO [stderr] 1 | fn goodbye() -> String {
Nov 27 22:57:54.652 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:57:54.652 INFO [stderr] 
Nov 27 22:57:54.652 INFO [stderr] warning: function is never used: `hello`
Nov 27 22:57:54.652 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Nov 27 22:57:54.652 INFO [stderr]   |
Nov 27 22:57:54.652 INFO [stderr] 1 | fn hello() -> String {
Nov 27 22:57:54.653 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Nov 27 22:57:54.653 INFO [stderr] 
Nov 27 22:57:54.653 INFO [stderr] warning: function is never used: `goodbye`
Nov 27 22:57:54.653 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Nov 27 22:57:54.653 INFO [stderr]   |
Nov 27 22:57:54.653 INFO [stderr] 1 | fn goodbye() -> String {
Nov 27 22:57:54.653 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:57:54.653 INFO [stderr] 
Nov 27 22:57:54.653 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 22:57:54.653 INFO [stderr]   --> src/main.rs:32:3
Nov 27 22:57:54.653 INFO [stderr]    |
Nov 27 22:57:54.653 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Nov 27 22:57:54.653 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:57:54.653 INFO [stderr]    |
Nov 27 22:57:54.653 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 22:57:54.653 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 22:57:54.653 INFO [stderr] 
Nov 27 22:57:54.964 INFO [stderr] warning: unused variable: `is_it_true`
Nov 27 22:57:54.964 INFO [stderr]   --> src/main.rs:11:7
Nov 27 22:57:54.964 INFO [stderr]    |
Nov 27 22:57:54.964 INFO [stderr] 11 |   let is_it_true: bool = true;
Nov 27 22:57:54.964 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Nov 27 22:57:54.964 INFO [stderr]    |
Nov 27 22:57:54.964 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 22:57:54.964 INFO [stderr] 
Nov 27 22:57:54.964 INFO [stderr] warning: unused variable: `let_x`
Nov 27 22:57:54.964 INFO [stderr]   --> src/main.rs:12:7
Nov 27 22:57:54.964 INFO [stderr]    |
Nov 27 22:57:54.964 INFO [stderr] 12 |   let let_x: char = 'x';
Nov 27 22:57:54.964 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Nov 27 22:57:54.965 INFO [stderr] 
Nov 27 22:57:54.965 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:57:54.965 INFO [stderr]   --> src/main.rs:10:7
Nov 27 22:57:54.965 INFO [stderr]    |
Nov 27 22:57:54.965 INFO [stderr] 10 |   let mut num: i32 = 10;
Nov 27 22:57:54.965 INFO [stderr]    |       ----^^^
Nov 27 22:57:54.965 INFO [stderr]    |       |
Nov 27 22:57:54.965 INFO [stderr]    |       help: remove this `mut`
Nov 27 22:57:54.965 INFO [stderr]    |
Nov 27 22:57:54.965 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 22:57:54.965 INFO [stderr] 
Nov 27 22:57:54.965 INFO [stderr] warning: function is never used: `func2`
Nov 27 22:57:54.965 INFO [stderr]  --> src/constants.rs:2:2
Nov 27 22:57:54.965 INFO [stderr]   |
Nov 27 22:57:54.965 INFO [stderr] 2 |     pub fn func2() {
Nov 27 22:57:54.965 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 27 22:57:54.965 INFO [stderr]   |
Nov 27 22:57:54.965 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 22:57:54.965 INFO [stderr] 
Nov 27 22:57:54.965 INFO [stderr] warning: function is never used: `goodbye`
Nov 27 22:57:54.965 INFO [stderr]  --> src/english/farewells.rs:1:1
Nov 27 22:57:54.965 INFO [stderr]   |
Nov 27 22:57:54.965 INFO [stderr] 1 | fn goodbye() -> String {
Nov 27 22:57:54.965 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:57:54.965 INFO [stderr] 
Nov 27 22:57:54.965 INFO [stderr] warning: function is never used: `hello`
Nov 27 22:57:54.965 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Nov 27 22:57:54.965 INFO [stderr]   |
Nov 27 22:57:54.965 INFO [stderr] 1 | fn hello() -> String {
Nov 27 22:57:54.965 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Nov 27 22:57:54.965 INFO [stderr] 
Nov 27 22:57:54.965 INFO [stderr] warning: function is never used: `goodbye`
Nov 27 22:57:54.965 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Nov 27 22:57:54.965 INFO [stderr]   |
Nov 27 22:57:54.965 INFO [stderr] 1 | fn goodbye() -> String {
Nov 27 22:57:54.965 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:57:54.965 INFO [stderr] 
Nov 27 22:57:54.965 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 22:57:54.965 INFO [stderr]   --> src/main.rs:32:3
Nov 27 22:57:54.965 INFO [stderr]    |
Nov 27 22:57:54.965 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Nov 27 22:57:54.965 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 22:57:54.965 INFO [stderr]    |
Nov 27 22:57:54.965 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 22:57:54.965 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 22:57:54.965 INFO [stderr] 
Nov 27 22:57:55.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.16s
Nov 27 22:57:55.006 INFO [stderr] su: No module specific data is present
Nov 27 22:57:56.559 INFO running `"docker" "inspect" "565c7fc380aca4f345fe2d8ebd185b83d773fd7aaaba5da516206aa74a75ae98"`
Nov 27 22:57:56.793 INFO running `"docker" "rm" "-f" "565c7fc380aca4f345fe2d8ebd185b83d773fd7aaaba5da516206aa74a75ae98"`
Nov 27 22:57:57.164 INFO [stdout] 565c7fc380aca4f345fe2d8ebd185b83d773fd7aaaba5da516206aa74a75ae98