Dec 05 11:38:02.562 INFO testing pepeul1191/rust-tutorial against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 11:38:02.562 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 11:38:02.947 INFO [stdout] 740ad49ee6b9df70c382dbfd18b55617e92a9cd33690924415848a7cee1cd70d
Dec 05 11:38:02.950 INFO running `"docker" "start" "-a" "740ad49ee6b9df70c382dbfd18b55617e92a9cd33690924415848a7cee1cd70d"`
Dec 05 11:38:04.051 INFO [stderr] usermod: no changes
Dec 05 11:38:04.179 INFO [stderr]    Compiling mustache v0.8.2
Dec 05 11:38:04.179 INFO [stderr]    Compiling hyper v0.10.13
Dec 05 11:38:17.155 INFO [stderr]    Compiling nickel v0.10.1
Dec 05 11:38:22.063 INFO [stderr]    Compiling nickel-demo v0.1.0 (/source)
Dec 05 11:38:23.552 INFO [stderr] warning: unused variable: `is_it_true`
Dec 05 11:38:23.553 INFO [stderr]   --> src/main.rs:11:7
Dec 05 11:38:23.553 INFO [stderr]    |
Dec 05 11:38:23.553 INFO [stderr] 11 |   let is_it_true: bool = true;
Dec 05 11:38:23.554 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Dec 05 11:38:23.554 INFO [stderr]    |
Dec 05 11:38:23.554 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 11:38:23.555 INFO [stderr] 
Dec 05 11:38:23.555 INFO [stderr] warning: unused variable: `let_x`
Dec 05 11:38:23.555 INFO [stderr]   --> src/main.rs:12:7
Dec 05 11:38:23.556 INFO [stderr]    |
Dec 05 11:38:23.556 INFO [stderr] 12 |   let let_x: char = 'x';
Dec 05 11:38:23.556 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Dec 05 11:38:23.556 INFO [stderr] 
Dec 05 11:38:23.559 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:38:23.560 INFO [stderr]   --> src/main.rs:10:7
Dec 05 11:38:23.560 INFO [stderr]    |
Dec 05 11:38:23.560 INFO [stderr] 10 |   let mut num: i32 = 10;
Dec 05 11:38:23.560 INFO [stderr]    |       ----^^^
Dec 05 11:38:23.560 INFO [stderr]    |       |
Dec 05 11:38:23.560 INFO [stderr]    |       help: remove this `mut`
Dec 05 11:38:23.560 INFO [stderr]    |
Dec 05 11:38:23.560 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:38:23.560 INFO [stderr] 
Dec 05 11:38:23.562 INFO [stderr] warning: function is never used: `func2`
Dec 05 11:38:23.562 INFO [stderr]  --> src/constants.rs:2:2
Dec 05 11:38:23.562 INFO [stderr]   |
Dec 05 11:38:23.562 INFO [stderr] 2 |     pub fn func2() {
Dec 05 11:38:23.562 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 11:38:23.562 INFO [stderr]   |
Dec 05 11:38:23.562 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 11:38:23.562 INFO [stderr] 
Dec 05 11:38:23.562 INFO [stderr] warning: function is never used: `goodbye`
Dec 05 11:38:23.562 INFO [stderr]  --> src/english/farewells.rs:1:1
Dec 05 11:38:23.562 INFO [stderr]   |
Dec 05 11:38:23.562 INFO [stderr] 1 | fn goodbye() -> String {
Dec 05 11:38:23.562 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:23.562 INFO [stderr] 
Dec 05 11:38:23.562 INFO [stderr] warning: function is never used: `hello`
Dec 05 11:38:23.562 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Dec 05 11:38:23.562 INFO [stderr]   |
Dec 05 11:38:23.562 INFO [stderr] 1 | fn hello() -> String {
Dec 05 11:38:23.562 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:23.562 INFO [stderr] 
Dec 05 11:38:23.562 INFO [stderr] warning: function is never used: `goodbye`
Dec 05 11:38:23.562 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Dec 05 11:38:23.562 INFO [stderr]   |
Dec 05 11:38:23.563 INFO [stderr] 1 | fn goodbye() -> String {
Dec 05 11:38:23.563 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:23.563 INFO [stderr] 
Dec 05 11:38:23.563 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 11:38:23.563 INFO [stderr]   --> src/main.rs:32:3
Dec 05 11:38:23.563 INFO [stderr]    |
Dec 05 11:38:23.563 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Dec 05 11:38:23.563 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:23.563 INFO [stderr]    |
Dec 05 11:38:23.563 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 11:38:23.563 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 11:38:23.563 INFO [stderr] 
Dec 05 11:38:27.420 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.33s
Dec 05 11:38:27.424 INFO [stderr] su: No module specific data is present
Dec 05 11:38:28.144 INFO running `"docker" "inspect" "740ad49ee6b9df70c382dbfd18b55617e92a9cd33690924415848a7cee1cd70d"`
Dec 05 11:38:28.522 INFO running `"docker" "rm" "-f" "740ad49ee6b9df70c382dbfd18b55617e92a9cd33690924415848a7cee1cd70d"`
Dec 05 11:38:28.900 INFO [stdout] 740ad49ee6b9df70c382dbfd18b55617e92a9cd33690924415848a7cee1cd70d
Dec 05 11:38:28.904 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 11:38:29.292 INFO [stdout] 79b131cf3dc99ddc21eeaabe4b0b1c3958e4a8acf369538f57e7726f13bafba6
Dec 05 11:38:29.298 INFO running `"docker" "start" "-a" "79b131cf3dc99ddc21eeaabe4b0b1c3958e4a8acf369538f57e7726f13bafba6"`
Dec 05 11:38:30.695 INFO [stderr] usermod: no changes
Dec 05 11:38:30.884 INFO [stderr]    Compiling nickel-demo v0.1.0 (/source)
Dec 05 11:38:31.970 INFO [stderr] warning: unused variable: `is_it_true`
Dec 05 11:38:31.971 INFO [stderr]   --> src/main.rs:11:7
Dec 05 11:38:31.971 INFO [stderr]    |
Dec 05 11:38:31.971 INFO [stderr] 11 |   let is_it_true: bool = true;
Dec 05 11:38:31.972 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Dec 05 11:38:31.972 INFO [stderr]    |
Dec 05 11:38:31.972 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 11:38:31.973 INFO [stderr] 
Dec 05 11:38:31.973 INFO [stderr] warning: unused variable: `let_x`
Dec 05 11:38:31.973 INFO [stderr]   --> src/main.rs:12:7
Dec 05 11:38:31.974 INFO [stderr]    |
Dec 05 11:38:31.974 INFO [stderr] 12 |   let let_x: char = 'x';
Dec 05 11:38:31.974 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Dec 05 11:38:31.974 INFO [stderr] 
Dec 05 11:38:31.977 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:38:31.977 INFO [stderr]   --> src/main.rs:10:7
Dec 05 11:38:31.977 INFO [stderr]    |
Dec 05 11:38:31.977 INFO [stderr] 10 |   let mut num: i32 = 10;
Dec 05 11:38:31.977 INFO [stderr]    |       ----^^^
Dec 05 11:38:31.977 INFO [stderr]    |       |
Dec 05 11:38:31.977 INFO [stderr]    |       help: remove this `mut`
Dec 05 11:38:31.978 INFO [stderr]    |
Dec 05 11:38:31.978 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:38:31.978 INFO [stderr] 
Dec 05 11:38:31.980 INFO [stderr] warning: function is never used: `func2`
Dec 05 11:38:31.980 INFO [stderr]  --> src/constants.rs:2:2
Dec 05 11:38:31.980 INFO [stderr]   |
Dec 05 11:38:31.980 INFO [stderr] 2 |     pub fn func2() {
Dec 05 11:38:31.980 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 11:38:31.980 INFO [stderr]   |
Dec 05 11:38:31.980 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 11:38:31.980 INFO [stderr] 
Dec 05 11:38:31.980 INFO [stderr] warning: function is never used: `goodbye`
Dec 05 11:38:31.980 INFO [stderr]  --> src/english/farewells.rs:1:1
Dec 05 11:38:31.980 INFO [stderr]   |
Dec 05 11:38:31.980 INFO [stderr] 1 | fn goodbye() -> String {
Dec 05 11:38:31.981 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:31.981 INFO [stderr] 
Dec 05 11:38:31.981 INFO [stderr] warning: function is never used: `hello`
Dec 05 11:38:31.981 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Dec 05 11:38:31.981 INFO [stderr]   |
Dec 05 11:38:31.981 INFO [stderr] 1 | fn hello() -> String {
Dec 05 11:38:31.981 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:31.981 INFO [stderr] 
Dec 05 11:38:31.981 INFO [stderr] warning: function is never used: `goodbye`
Dec 05 11:38:31.981 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Dec 05 11:38:31.981 INFO [stderr]   |
Dec 05 11:38:31.981 INFO [stderr] 1 | fn goodbye() -> String {
Dec 05 11:38:31.981 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:31.981 INFO [stderr] 
Dec 05 11:38:31.981 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 11:38:31.981 INFO [stderr]   --> src/main.rs:32:3
Dec 05 11:38:31.981 INFO [stderr]    |
Dec 05 11:38:31.981 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Dec 05 11:38:31.981 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:38:31.981 INFO [stderr]    |
Dec 05 11:38:31.981 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 11:38:31.981 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 11:38:31.981 INFO [stderr] 
Dec 05 11:38:32.401 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
Dec 05 11:38:32.416 INFO [stderr] su: No module specific data is present
Dec 05 11:38:33.554 INFO running `"docker" "inspect" "79b131cf3dc99ddc21eeaabe4b0b1c3958e4a8acf369538f57e7726f13bafba6"`
Dec 05 11:38:33.896 INFO running `"docker" "rm" "-f" "79b131cf3dc99ddc21eeaabe4b0b1c3958e4a8acf369538f57e7726f13bafba6"`
Dec 05 11:38:34.248 INFO [stdout] 79b131cf3dc99ddc21eeaabe4b0b1c3958e4a8acf369538f57e7726f13bafba6
Dec 05 11:38:34.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 11:38:34.816 INFO [stdout] 575d0db48e7890e64d6baed14a88c3b15bd0214470adc01249fdab532f6187ec
Dec 05 11:38:34.828 INFO running `"docker" "start" "-a" "575d0db48e7890e64d6baed14a88c3b15bd0214470adc01249fdab532f6187ec"`
Dec 05 11:38:36.286 INFO [stderr] usermod: no changes
Dec 05 11:38:36.416 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Dec 05 11:38:36.416 INFO [stdout] 
Dec 05 11:38:36.416 INFO [stderr]      Running /target/debug/deps/nickel_demo-1741708bfff8139a
Dec 05 11:38:36.416 INFO [stdout] running 0 tests
Dec 05 11:38:36.416 INFO [stderr] su: No module specific data is present
Dec 05 11:38:36.416 INFO [stdout] 
Dec 05 11:38:36.416 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 11:38:36.416 INFO [stdout] 
Dec 05 11:38:37.130 INFO running `"docker" "inspect" "575d0db48e7890e64d6baed14a88c3b15bd0214470adc01249fdab532f6187ec"`
Dec 05 11:38:37.390 INFO running `"docker" "rm" "-f" "575d0db48e7890e64d6baed14a88c3b15bd0214470adc01249fdab532f6187ec"`
Dec 05 11:38:37.732 INFO [stdout] 575d0db48e7890e64d6baed14a88c3b15bd0214470adc01249fdab532f6187ec