Dec 11 11:59:31.466 INFO checking pepeul1191/rust-tutorial against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 11:59:31.467 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 11:59:31.671 INFO [stdout] 633a180b4611a433a09c424a81196deb0187b3c57274f11531ea0eaaaefb6b41
Dec 11 11:59:31.676 INFO running `"docker" "start" "-a" "633a180b4611a433a09c424a81196deb0187b3c57274f11531ea0eaaaefb6b41"`
Dec 11 11:59:32.197 INFO [stderr] usermod: no changes
Dec 11 11:59:32.313 INFO [stderr]     Checking groupable v0.2.0
Dec 11 11:59:32.324 INFO [stderr]     Checking mustache v0.8.2
Dec 11 11:59:32.324 INFO [stderr]     Checking hyper v0.10.13
Dec 11 11:59:37.378 INFO [stderr]     Checking nickel v0.10.1
Dec 11 11:59:39.704 INFO [stderr]     Checking nickel-demo v0.1.0 (/source)
Dec 11 11:59:41.172 INFO [stderr] warning: unused variable: `is_it_true`
Dec 11 11:59:41.176 INFO [stderr]   --> src/main.rs:11:7
Dec 11 11:59:41.176 INFO [stderr]    |
Dec 11 11:59:41.176 INFO [stderr] 11 |   let is_it_true: bool = true;
Dec 11 11:59:41.176 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Dec 11 11:59:41.176 INFO [stderr]    |
Dec 11 11:59:41.176 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 11:59:41.176 INFO [stderr] 
Dec 11 11:59:41.176 INFO [stderr] warning: unused variable: `let_x`
Dec 11 11:59:41.176 INFO [stderr]   --> src/main.rs:12:7
Dec 11 11:59:41.176 INFO [stderr]    |
Dec 11 11:59:41.176 INFO [stderr] 12 |   let let_x: char = 'x';
Dec 11 11:59:41.176 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Dec 11 11:59:41.176 INFO [stderr] 
Dec 11 11:59:41.176 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:59:41.176 INFO [stderr]   --> src/main.rs:10:7
Dec 11 11:59:41.176 INFO [stderr]    |
Dec 11 11:59:41.176 INFO [stderr] 10 |   let mut num: i32 = 10;
Dec 11 11:59:41.176 INFO [stderr]    |       ----^^^
Dec 11 11:59:41.176 INFO [stderr]    |       |
Dec 11 11:59:41.176 INFO [stderr]    |       help: remove this `mut`
Dec 11 11:59:41.176 INFO [stderr]    |
Dec 11 11:59:41.176 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 11:59:41.176 INFO [stderr] 
Dec 11 11:59:41.176 INFO [stderr] warning: function is never used: `func2`
Dec 11 11:59:41.180 INFO [stderr]  --> src/constants.rs:2:2
Dec 11 11:59:41.180 INFO [stderr]   |
Dec 11 11:59:41.180 INFO [stderr] 2 |     pub fn func2() {
Dec 11 11:59:41.180 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 11 11:59:41.180 INFO [stderr]   |
Dec 11 11:59:41.180 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 11:59:41.180 INFO [stderr] 
Dec 11 11:59:41.180 INFO [stderr] warning: function is never used: `goodbye`
Dec 11 11:59:41.180 INFO [stderr]  --> src/english/farewells.rs:1:1
Dec 11 11:59:41.180 INFO [stderr]   |
Dec 11 11:59:41.180 INFO [stderr] 1 | fn goodbye() -> String {
Dec 11 11:59:41.180 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:59:41.180 INFO [stderr] 
Dec 11 11:59:41.180 INFO [stderr] warning: function is never used: `hello`
Dec 11 11:59:41.180 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Dec 11 11:59:41.180 INFO [stderr]   |
Dec 11 11:59:41.180 INFO [stderr] 1 | fn hello() -> String {
Dec 11 11:59:41.180 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 11 11:59:41.180 INFO [stderr] 
Dec 11 11:59:41.180 INFO [stderr] warning: function is never used: `goodbye`
Dec 11 11:59:41.180 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Dec 11 11:59:41.181 INFO [stderr]   |
Dec 11 11:59:41.181 INFO [stderr] 1 | fn goodbye() -> String {
Dec 11 11:59:41.181 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:59:41.181 INFO [stderr] 
Dec 11 11:59:41.181 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 11:59:41.181 INFO [stderr]   --> src/main.rs:32:3
Dec 11 11:59:41.181 INFO [stderr]    |
Dec 11 11:59:41.181 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Dec 11 11:59:41.181 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:59:41.181 INFO [stderr]    |
Dec 11 11:59:41.181 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 11:59:41.181 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 11:59:41.181 INFO [stderr] 
Dec 11 11:59:41.240 INFO [stderr] warning: unused variable: `is_it_true`
Dec 11 11:59:41.240 INFO [stderr]   --> src/main.rs:11:7
Dec 11 11:59:41.240 INFO [stderr]    |
Dec 11 11:59:41.240 INFO [stderr] 11 |   let is_it_true: bool = true;
Dec 11 11:59:41.240 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Dec 11 11:59:41.240 INFO [stderr]    |
Dec 11 11:59:41.240 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 11:59:41.240 INFO [stderr] 
Dec 11 11:59:41.240 INFO [stderr] warning: unused variable: `let_x`
Dec 11 11:59:41.240 INFO [stderr]   --> src/main.rs:12:7
Dec 11 11:59:41.240 INFO [stderr]    |
Dec 11 11:59:41.240 INFO [stderr] 12 |   let let_x: char = 'x';
Dec 11 11:59:41.240 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Dec 11 11:59:41.240 INFO [stderr] 
Dec 11 11:59:41.256 INFO [stderr] warning: variable does not need to be mutable
Dec 11 11:59:41.256 INFO [stderr]   --> src/main.rs:10:7
Dec 11 11:59:41.256 INFO [stderr]    |
Dec 11 11:59:41.256 INFO [stderr] 10 |   let mut num: i32 = 10;
Dec 11 11:59:41.256 INFO [stderr]    |       ----^^^
Dec 11 11:59:41.256 INFO [stderr]    |       |
Dec 11 11:59:41.256 INFO [stderr]    |       help: remove this `mut`
Dec 11 11:59:41.256 INFO [stderr]    |
Dec 11 11:59:41.256 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 11:59:41.256 INFO [stderr] 
Dec 11 11:59:41.256 INFO [stderr] warning: function is never used: `func2`
Dec 11 11:59:41.256 INFO [stderr]  --> src/constants.rs:2:2
Dec 11 11:59:41.256 INFO [stderr]   |
Dec 11 11:59:41.256 INFO [stderr] 2 |     pub fn func2() {
Dec 11 11:59:41.256 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 11 11:59:41.256 INFO [stderr]   |
Dec 11 11:59:41.256 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 11:59:41.256 INFO [stderr] 
Dec 11 11:59:41.256 INFO [stderr] warning: function is never used: `goodbye`
Dec 11 11:59:41.256 INFO [stderr]  --> src/english/farewells.rs:1:1
Dec 11 11:59:41.256 INFO [stderr]   |
Dec 11 11:59:41.256 INFO [stderr] 1 | fn goodbye() -> String {
Dec 11 11:59:41.256 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:59:41.256 INFO [stderr] 
Dec 11 11:59:41.256 INFO [stderr] warning: function is never used: `hello`
Dec 11 11:59:41.256 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Dec 11 11:59:41.256 INFO [stderr]   |
Dec 11 11:59:41.256 INFO [stderr] 1 | fn hello() -> String {
Dec 11 11:59:41.256 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 11 11:59:41.256 INFO [stderr] 
Dec 11 11:59:41.256 INFO [stderr] warning: function is never used: `goodbye`
Dec 11 11:59:41.256 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Dec 11 11:59:41.256 INFO [stderr]   |
Dec 11 11:59:41.256 INFO [stderr] 1 | fn goodbye() -> String {
Dec 11 11:59:41.256 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:59:41.256 INFO [stderr] 
Dec 11 11:59:41.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 11:59:41.256 INFO [stderr]   --> src/main.rs:32:3
Dec 11 11:59:41.256 INFO [stderr]    |
Dec 11 11:59:41.256 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Dec 11 11:59:41.256 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:59:41.256 INFO [stderr]    |
Dec 11 11:59:41.256 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 11:59:41.256 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 11:59:41.256 INFO [stderr] 
Dec 11 11:59:41.302 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.06s
Dec 11 11:59:41.302 INFO [stderr] su: No module specific data is present
Dec 11 11:59:42.283 INFO running `"docker" "inspect" "633a180b4611a433a09c424a81196deb0187b3c57274f11531ea0eaaaefb6b41"`
Dec 11 11:59:42.646 INFO running `"docker" "rm" "-f" "633a180b4611a433a09c424a81196deb0187b3c57274f11531ea0eaaaefb6b41"`
Dec 11 11:59:42.884 INFO [stdout] 633a180b4611a433a09c424a81196deb0187b3c57274f11531ea0eaaaefb6b41