Dec 05 11:38:02.985 INFO testing pepeul1191/rust-tutorial against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 11:38:02.986 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 05 11:38:03.344 INFO [stdout] 237c0a723aaedc8523306ea251dae09f711d968cf6ab329cea1450c5fcfcbabe
Dec 05 11:38:03.346 INFO running `"docker" "start" "-a" "237c0a723aaedc8523306ea251dae09f711d968cf6ab329cea1450c5fcfcbabe"`
Dec 05 11:38:04.648 INFO [stderr] usermod: no changes
Dec 05 11:38:04.764 INFO [stderr]    Compiling mustache v0.8.2
Dec 05 11:38:04.764 INFO [stderr]    Compiling hyper v0.10.13
Dec 05 11:38:17.208 INFO [stderr]    Compiling nickel v0.10.1
Dec 05 11:38:22.039 INFO [stderr]    Compiling nickel-demo v0.1.0 (/source)
Dec 05 11:38:23.156 INFO [stderr] warning: unused variable: `is_it_true`
Dec 05 11:38:23.156 INFO [stderr]   --> src/main.rs:11:7
Dec 05 11:38:23.156 INFO [stderr]    |
Dec 05 11:38:23.156 INFO [stderr] 11 |   let is_it_true: bool = true;
Dec 05 11:38:23.156 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Dec 05 11:38:23.156 INFO [stderr]    |
Dec 05 11:38:23.156 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 11:38:23.156 INFO [stderr] 
Dec 05 11:38:23.156 INFO [stderr] warning: unused variable: `let_x`
Dec 05 11:38:23.156 INFO [stderr]   --> src/main.rs:12:7
Dec 05 11:38:23.156 INFO [stderr]    |
Dec 05 11:38:23.156 INFO [stderr] 12 |   let let_x: char = 'x';
Dec 05 11:38:23.156 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Dec 05 11:38:23.157 INFO [stderr] 
Dec 05 11:38:23.157 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:38:23.157 INFO [stderr]   --> src/main.rs:10:7
Dec 05 11:38:23.157 INFO [stderr]    |
Dec 05 11:38:23.157 INFO [stderr] 10 |   let mut num: i32 = 10;
Dec 05 11:38:23.157 INFO [stderr]    |       ----^^^
Dec 05 11:38:23.157 INFO [stderr]    |       |
Dec 05 11:38:23.157 INFO [stderr]    |       help: remove this `mut`
Dec 05 11:38:23.157 INFO [stderr]    |
Dec 05 11:38:23.157 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:38:23.157 INFO [stderr] 
Dec 05 11:38:23.157 INFO [stderr] warning: function is never used: `func2`
Dec 05 11:38:23.157 INFO [stderr]  --> src/constants.rs:2:2
Dec 05 11:38:23.157 INFO [stderr]   |
Dec 05 11:38:23.157 INFO [stderr] 2 |     pub fn func2() {
Dec 05 11:38:23.157 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 11:38:23.157 INFO [stderr]   |
Dec 05 11:38:23.157 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 11:38:23.157 INFO [stderr] 
Dec 05 11:38:23.157 INFO [stderr] warning: function is never used: `goodbye`
Dec 05 11:38:23.157 INFO [stderr]  --> src/english/farewells.rs:1:1
Dec 05 11:38:23.157 INFO [stderr]   |
Dec 05 11:38:23.157 INFO [stderr] 1 | fn goodbye() -> String {
Dec 05 11:38:23.157 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:23.157 INFO [stderr] 
Dec 05 11:38:23.157 INFO [stderr] warning: function is never used: `hello`
Dec 05 11:38:23.157 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Dec 05 11:38:23.157 INFO [stderr]   |
Dec 05 11:38:23.157 INFO [stderr] 1 | fn hello() -> String {
Dec 05 11:38:23.157 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:23.157 INFO [stderr] 
Dec 05 11:38:23.157 INFO [stderr] warning: function is never used: `goodbye`
Dec 05 11:38:23.157 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Dec 05 11:38:23.157 INFO [stderr]   |
Dec 05 11:38:23.157 INFO [stderr] 1 | fn goodbye() -> String {
Dec 05 11:38:23.157 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:23.157 INFO [stderr] 
Dec 05 11:38:23.157 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 11:38:23.157 INFO [stderr]   --> src/main.rs:32:3
Dec 05 11:38:23.157 INFO [stderr]    |
Dec 05 11:38:23.157 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Dec 05 11:38:23.157 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:23.157 INFO [stderr]    |
Dec 05 11:38:23.157 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 11:38:23.157 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 11:38:23.157 INFO [stderr] 
Dec 05 11:38:27.397 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.73s
Dec 05 11:38:27.406 INFO [stderr] su: No module specific data is present
Dec 05 11:38:28.038 INFO running `"docker" "inspect" "237c0a723aaedc8523306ea251dae09f711d968cf6ab329cea1450c5fcfcbabe"`
Dec 05 11:38:28.382 INFO running `"docker" "rm" "-f" "237c0a723aaedc8523306ea251dae09f711d968cf6ab329cea1450c5fcfcbabe"`
Dec 05 11:38:28.696 INFO [stdout] 237c0a723aaedc8523306ea251dae09f711d968cf6ab329cea1450c5fcfcbabe
Dec 05 11:38:28.702 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 05 11:38:29.104 INFO [stdout] d9b2e23a131b2f652ad903c32305a039f6e2a117ab7930fcf296443552f9def2
Dec 05 11:38:29.110 INFO running `"docker" "start" "-a" "d9b2e23a131b2f652ad903c32305a039f6e2a117ab7930fcf296443552f9def2"`
Dec 05 11:38:30.863 INFO [stderr] usermod: no changes
Dec 05 11:38:31.064 INFO [stderr]    Compiling nickel-demo v0.1.0 (/source)
Dec 05 11:38:32.128 INFO [stderr] warning: unused variable: `is_it_true`
Dec 05 11:38:32.128 INFO [stderr]   --> src/main.rs:11:7
Dec 05 11:38:32.128 INFO [stderr]    |
Dec 05 11:38:32.128 INFO [stderr] 11 |   let is_it_true: bool = true;
Dec 05 11:38:32.128 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Dec 05 11:38:32.128 INFO [stderr]    |
Dec 05 11:38:32.128 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 11:38:32.128 INFO [stderr] 
Dec 05 11:38:32.128 INFO [stderr] warning: unused variable: `let_x`
Dec 05 11:38:32.128 INFO [stderr]   --> src/main.rs:12:7
Dec 05 11:38:32.128 INFO [stderr]    |
Dec 05 11:38:32.128 INFO [stderr] 12 |   let let_x: char = 'x';
Dec 05 11:38:32.128 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Dec 05 11:38:32.128 INFO [stderr] 
Dec 05 11:38:32.134 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:38:32.134 INFO [stderr]   --> src/main.rs:10:7
Dec 05 11:38:32.134 INFO [stderr]    |
Dec 05 11:38:32.134 INFO [stderr] 10 |   let mut num: i32 = 10;
Dec 05 11:38:32.134 INFO [stderr]    |       ----^^^
Dec 05 11:38:32.134 INFO [stderr]    |       |
Dec 05 11:38:32.134 INFO [stderr]    |       help: remove this `mut`
Dec 05 11:38:32.134 INFO [stderr]    |
Dec 05 11:38:32.134 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:38:32.134 INFO [stderr] 
Dec 05 11:38:32.137 INFO [stderr] warning: function is never used: `func2`
Dec 05 11:38:32.137 INFO [stderr]  --> src/constants.rs:2:2
Dec 05 11:38:32.137 INFO [stderr]   |
Dec 05 11:38:32.137 INFO [stderr] 2 |     pub fn func2() {
Dec 05 11:38:32.137 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 11:38:32.137 INFO [stderr]   |
Dec 05 11:38:32.137 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 11:38:32.137 INFO [stderr] 
Dec 05 11:38:32.137 INFO [stderr] warning: function is never used: `goodbye`
Dec 05 11:38:32.137 INFO [stderr]  --> src/english/farewells.rs:1:1
Dec 05 11:38:32.137 INFO [stderr]   |
Dec 05 11:38:32.137 INFO [stderr] 1 | fn goodbye() -> String {
Dec 05 11:38:32.137 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:32.137 INFO [stderr] 
Dec 05 11:38:32.137 INFO [stderr] warning: function is never used: `hello`
Dec 05 11:38:32.137 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Dec 05 11:38:32.137 INFO [stderr]   |
Dec 05 11:38:32.137 INFO [stderr] 1 | fn hello() -> String {
Dec 05 11:38:32.137 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:32.137 INFO [stderr] 
Dec 05 11:38:32.137 INFO [stderr] warning: function is never used: `goodbye`
Dec 05 11:38:32.137 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Dec 05 11:38:32.137 INFO [stderr]   |
Dec 05 11:38:32.137 INFO [stderr] 1 | fn goodbye() -> String {
Dec 05 11:38:32.137 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:32.137 INFO [stderr] 
Dec 05 11:38:32.137 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 11:38:32.137 INFO [stderr]   --> src/main.rs:32:3
Dec 05 11:38:32.137 INFO [stderr]    |
Dec 05 11:38:32.137 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Dec 05 11:38:32.137 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:32.137 INFO [stderr]    |
Dec 05 11:38:32.137 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 11:38:32.137 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 11:38:32.138 INFO [stderr] 
Dec 05 11:38:32.536 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Dec 05 11:38:32.544 INFO [stderr] su: No module specific data is present
Dec 05 11:38:33.523 INFO running `"docker" "inspect" "d9b2e23a131b2f652ad903c32305a039f6e2a117ab7930fcf296443552f9def2"`
Dec 05 11:38:33.718 INFO running `"docker" "rm" "-f" "d9b2e23a131b2f652ad903c32305a039f6e2a117ab7930fcf296443552f9def2"`
Dec 05 11:38:34.136 INFO [stdout] d9b2e23a131b2f652ad903c32305a039f6e2a117ab7930fcf296443552f9def2
Dec 05 11:38:34.142 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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 05 11:38:34.717 INFO [stdout] a71662d7760adece56b353432dda0f25f04b77f5ba3d80c819f9298f2724431c
Dec 05 11:38:34.719 INFO running `"docker" "start" "-a" "a71662d7760adece56b353432dda0f25f04b77f5ba3d80c819f9298f2724431c"`
Dec 05 11:38:36.117 INFO [stderr] usermod: no changes
Dec 05 11:38:36.254 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Dec 05 11:38:36.280 INFO [stdout] 
Dec 05 11:38:36.280 INFO [stderr]      Running /target/debug/deps/nickel_demo-eb4da9fbeb66ab05
Dec 05 11:38:36.280 INFO [stdout] running 0 tests
Dec 05 11:38:36.280 INFO [stderr] su: No module specific data is present
Dec 05 11:38:36.280 INFO [stdout] 
Dec 05 11:38:36.280 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 11:38:36.280 INFO [stdout] 
Dec 05 11:38:36.972 INFO running `"docker" "inspect" "a71662d7760adece56b353432dda0f25f04b77f5ba3d80c819f9298f2724431c"`
Dec 05 11:38:37.384 INFO running `"docker" "rm" "-f" "a71662d7760adece56b353432dda0f25f04b77f5ba3d80c819f9298f2724431c"`
Dec 05 11:38:37.704 INFO [stdout] a71662d7760adece56b353432dda0f25f04b77f5ba3d80c819f9298f2724431c