Dec 19 11:06:18.822 INFO checking pepeul1191/rust-tutorial against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:06:18.822 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/pepeul1191/rust-tutorial:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:06:19.048 INFO [stdout] f5e229dcb348e8884fabdb210c04e53d7bc635389deba34e7b1a532062481090
Dec 19 11:06:19.054 INFO running `"docker" "start" "-a" "f5e229dcb348e8884fabdb210c04e53d7bc635389deba34e7b1a532062481090"`
Dec 19 11:06:19.758 INFO [stderr]     Checking mustache v0.8.2
Dec 19 11:06:19.758 INFO [stderr]     Checking regex v0.2.5
Dec 19 11:06:19.763 INFO [stderr]     Checking hyper v0.10.13
Dec 19 11:06:24.320 INFO [stderr]     Checking nickel v0.10.1
Dec 19 11:06:26.170 INFO [stderr]     Checking nickel-demo v0.1.0 (/opt/crater/workdir)
Dec 19 11:06:26.701 INFO [stderr] warning: unused variable: `is_it_true`
Dec 19 11:06:26.701 INFO [stderr]   --> src/main.rs:11:7
Dec 19 11:06:26.701 INFO [stderr]    |
Dec 19 11:06:26.701 INFO [stderr] 11 |   let is_it_true: bool = true;
Dec 19 11:06:26.701 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Dec 19 11:06:26.701 INFO [stderr]    |
Dec 19 11:06:26.701 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 11:06:26.702 INFO [stderr] 
Dec 19 11:06:26.702 INFO [stderr] warning: unused variable: `let_x`
Dec 19 11:06:26.702 INFO [stderr]   --> src/main.rs:12:7
Dec 19 11:06:26.702 INFO [stderr]    |
Dec 19 11:06:26.702 INFO [stderr] 12 |   let let_x: char = 'x';
Dec 19 11:06:26.702 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Dec 19 11:06:26.702 INFO [stderr] 
Dec 19 11:06:26.708 INFO [stderr] warning: variable does not need to be mutable
Dec 19 11:06:26.708 INFO [stderr]   --> src/main.rs:10:7
Dec 19 11:06:26.708 INFO [stderr]    |
Dec 19 11:06:26.708 INFO [stderr] 10 |   let mut num: i32 = 10;
Dec 19 11:06:26.708 INFO [stderr]    |       ----^^^
Dec 19 11:06:26.708 INFO [stderr]    |       |
Dec 19 11:06:26.708 INFO [stderr]    |       help: remove this `mut`
Dec 19 11:06:26.708 INFO [stderr]    |
Dec 19 11:06:26.708 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 11:06:26.708 INFO [stderr] 
Dec 19 11:06:26.710 INFO [stderr] warning: function is never used: `func2`
Dec 19 11:06:26.710 INFO [stderr]  --> src/constants.rs:2:2
Dec 19 11:06:26.711 INFO [stderr]   |
Dec 19 11:06:26.711 INFO [stderr] 2 |     pub fn func2() {
Dec 19 11:06:26.711 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 19 11:06:26.711 INFO [stderr]   |
Dec 19 11:06:26.712 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 11:06:26.712 INFO [stderr] 
Dec 19 11:06:26.712 INFO [stderr] warning: function is never used: `goodbye`
Dec 19 11:06:26.712 INFO [stderr]  --> src/english/farewells.rs:1:1
Dec 19 11:06:26.712 INFO [stderr]   |
Dec 19 11:06:26.713 INFO [stderr] 1 | fn goodbye() -> String {
Dec 19 11:06:26.713 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:06:26.713 INFO [stderr] 
Dec 19 11:06:26.713 INFO [stderr] warning: function is never used: `hello`
Dec 19 11:06:26.713 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Dec 19 11:06:26.714 INFO [stderr]   |
Dec 19 11:06:26.714 INFO [stderr] 1 | fn hello() -> String {
Dec 19 11:06:26.714 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 19 11:06:26.714 INFO [stderr] 
Dec 19 11:06:26.714 INFO [stderr] warning: function is never used: `goodbye`
Dec 19 11:06:26.715 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Dec 19 11:06:26.715 INFO [stderr]   |
Dec 19 11:06:26.715 INFO [stderr] 1 | fn goodbye() -> String {
Dec 19 11:06:26.715 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:06:26.715 INFO [stderr] 
Dec 19 11:06:26.716 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 11:06:26.716 INFO [stderr]   --> src/main.rs:32:3
Dec 19 11:06:26.717 INFO [stderr]    |
Dec 19 11:06:26.717 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Dec 19 11:06:26.717 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:06:26.717 INFO [stderr]    |
Dec 19 11:06:26.717 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 11:06:26.718 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 11:06:26.718 INFO [stderr] 
Dec 19 11:06:26.750 INFO [stderr] warning: unused variable: `is_it_true`
Dec 19 11:06:26.750 INFO [stderr]   --> src/main.rs:11:7
Dec 19 11:06:26.750 INFO [stderr]    |
Dec 19 11:06:26.751 INFO [stderr] 11 |   let is_it_true: bool = true;
Dec 19 11:06:26.751 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Dec 19 11:06:26.751 INFO [stderr]    |
Dec 19 11:06:26.751 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 11:06:26.751 INFO [stderr] 
Dec 19 11:06:26.752 INFO [stderr] warning: unused variable: `let_x`
Dec 19 11:06:26.752 INFO [stderr]   --> src/main.rs:12:7
Dec 19 11:06:26.752 INFO [stderr]    |
Dec 19 11:06:26.752 INFO [stderr] 12 |   let let_x: char = 'x';
Dec 19 11:06:26.752 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Dec 19 11:06:26.752 INFO [stderr] 
Dec 19 11:06:26.773 INFO [stderr] warning: variable does not need to be mutable
Dec 19 11:06:26.773 INFO [stderr]   --> src/main.rs:10:7
Dec 19 11:06:26.773 INFO [stderr]    |
Dec 19 11:06:26.774 INFO [stderr] 10 |   let mut num: i32 = 10;
Dec 19 11:06:26.774 INFO [stderr]    |       ----^^^
Dec 19 11:06:26.774 INFO [stderr]    |       |
Dec 19 11:06:26.774 INFO [stderr]    |       help: remove this `mut`
Dec 19 11:06:26.775 INFO [stderr]    |
Dec 19 11:06:26.775 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 11:06:26.775 INFO [stderr] 
Dec 19 11:06:26.775 INFO [stderr] warning: function is never used: `func2`
Dec 19 11:06:26.776 INFO [stderr]  --> src/constants.rs:2:2
Dec 19 11:06:26.776 INFO [stderr]   |
Dec 19 11:06:26.776 INFO [stderr] 2 |     pub fn func2() {
Dec 19 11:06:26.776 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 19 11:06:26.777 INFO [stderr]   |
Dec 19 11:06:26.777 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 11:06:26.777 INFO [stderr] 
Dec 19 11:06:26.777 INFO [stderr] warning: function is never used: `goodbye`
Dec 19 11:06:26.777 INFO [stderr]  --> src/english/farewells.rs:1:1
Dec 19 11:06:26.777 INFO [stderr]   |
Dec 19 11:06:26.778 INFO [stderr] 1 | fn goodbye() -> String {
Dec 19 11:06:26.778 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:06:26.778 INFO [stderr] 
Dec 19 11:06:26.778 INFO [stderr] warning: function is never used: `hello`
Dec 19 11:06:26.778 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Dec 19 11:06:26.779 INFO [stderr]   |
Dec 19 11:06:26.779 INFO [stderr] 1 | fn hello() -> String {
Dec 19 11:06:26.779 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 19 11:06:26.779 INFO [stderr] 
Dec 19 11:06:26.779 INFO [stderr] warning: function is never used: `goodbye`
Dec 19 11:06:26.780 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Dec 19 11:06:26.780 INFO [stderr]   |
Dec 19 11:06:26.780 INFO [stderr] 1 | fn goodbye() -> String {
Dec 19 11:06:26.780 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:06:26.780 INFO [stderr] 
Dec 19 11:06:26.780 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 11:06:26.781 INFO [stderr]   --> src/main.rs:32:3
Dec 19 11:06:26.781 INFO [stderr]    |
Dec 19 11:06:26.781 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Dec 19 11:06:26.781 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:06:26.782 INFO [stderr]    |
Dec 19 11:06:26.782 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 11:06:26.782 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 11:06:26.782 INFO [stderr] 
Dec 19 11:06:26.808 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.11s
Dec 19 11:06:28.319 INFO running `"docker" "inspect" "f5e229dcb348e8884fabdb210c04e53d7bc635389deba34e7b1a532062481090"`
Dec 19 11:06:28.627 INFO running `"docker" "rm" "-f" "f5e229dcb348e8884fabdb210c04e53d7bc635389deba34e7b1a532062481090"`
Dec 19 11:06:28.992 INFO [stdout] f5e229dcb348e8884fabdb210c04e53d7bc635389deba34e7b1a532062481090