Dec 13 07:41:13.316 INFO testing pepeul1191/rust-tutorial against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 07:41:13.316 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 07:41:13.839 INFO [stdout] 3871a9991d45af45bc4b8de40a7cc1eb8565a472149e8f4f84d609eb2ffe58f5
Dec 13 07:41:13.847 INFO running `"docker" "start" "-a" "3871a9991d45af45bc4b8de40a7cc1eb8565a472149e8f4f84d609eb2ffe58f5"`
Dec 13 07:41:15.254 INFO [stderr] usermod: no changes
Dec 13 07:41:15.403 INFO [stderr]    Compiling mustache v0.8.2
Dec 13 07:41:15.407 INFO [stderr]    Compiling regex v0.2.5
Dec 13 07:41:15.407 INFO [stderr]    Compiling hyper v0.10.13
Dec 13 07:41:35.867 INFO [stderr]    Compiling nickel v0.10.1
Dec 13 07:41:40.610 INFO [stderr]    Compiling nickel-demo v0.1.0 (/source)
Dec 13 07:41:41.739 INFO [stderr] warning: unused variable: `is_it_true`
Dec 13 07:41:41.739 INFO [stderr]   --> src/main.rs:11:7
Dec 13 07:41:41.739 INFO [stderr]    |
Dec 13 07:41:41.739 INFO [stderr] 11 |   let is_it_true: bool = true;
Dec 13 07:41:41.739 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Dec 13 07:41:41.739 INFO [stderr]    |
Dec 13 07:41:41.739 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 07:41:41.739 INFO [stderr] 
Dec 13 07:41:41.739 INFO [stderr] warning: unused variable: `let_x`
Dec 13 07:41:41.739 INFO [stderr]   --> src/main.rs:12:7
Dec 13 07:41:41.739 INFO [stderr]    |
Dec 13 07:41:41.739 INFO [stderr] 12 |   let let_x: char = 'x';
Dec 13 07:41:41.739 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Dec 13 07:41:41.739 INFO [stderr] 
Dec 13 07:41:41.739 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:41:41.739 INFO [stderr]   --> src/main.rs:10:7
Dec 13 07:41:41.739 INFO [stderr]    |
Dec 13 07:41:41.739 INFO [stderr] 10 |   let mut num: i32 = 10;
Dec 13 07:41:41.739 INFO [stderr]    |       ----^^^
Dec 13 07:41:41.739 INFO [stderr]    |       |
Dec 13 07:41:41.739 INFO [stderr]    |       help: remove this `mut`
Dec 13 07:41:41.739 INFO [stderr]    |
Dec 13 07:41:41.739 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 07:41:41.739 INFO [stderr] 
Dec 13 07:41:41.743 INFO [stderr] warning: function is never used: `func2`
Dec 13 07:41:41.743 INFO [stderr]  --> src/constants.rs:2:2
Dec 13 07:41:41.743 INFO [stderr]   |
Dec 13 07:41:41.743 INFO [stderr] 2 |     pub fn func2() {
Dec 13 07:41:41.743 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 13 07:41:41.743 INFO [stderr]   |
Dec 13 07:41:41.743 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 07:41:41.743 INFO [stderr] 
Dec 13 07:41:41.743 INFO [stderr] warning: function is never used: `goodbye`
Dec 13 07:41:41.743 INFO [stderr]  --> src/english/farewells.rs:1:1
Dec 13 07:41:41.743 INFO [stderr]   |
Dec 13 07:41:41.743 INFO [stderr] 1 | fn goodbye() -> String {
Dec 13 07:41:41.743 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:41:41.743 INFO [stderr] 
Dec 13 07:41:41.743 INFO [stderr] warning: function is never used: `hello`
Dec 13 07:41:41.743 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Dec 13 07:41:41.743 INFO [stderr]   |
Dec 13 07:41:41.743 INFO [stderr] 1 | fn hello() -> String {
Dec 13 07:41:41.743 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 13 07:41:41.743 INFO [stderr] 
Dec 13 07:41:41.743 INFO [stderr] warning: function is never used: `goodbye`
Dec 13 07:41:41.743 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Dec 13 07:41:41.743 INFO [stderr]   |
Dec 13 07:41:41.743 INFO [stderr] 1 | fn goodbye() -> String {
Dec 13 07:41:41.743 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:41:41.743 INFO [stderr] 
Dec 13 07:41:41.743 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 07:41:41.743 INFO [stderr]   --> src/main.rs:32:3
Dec 13 07:41:41.743 INFO [stderr]    |
Dec 13 07:41:41.743 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Dec 13 07:41:41.743 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:41:41.743 INFO [stderr]    |
Dec 13 07:41:41.743 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 07:41:41.743 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 07:41:41.743 INFO [stderr] 
Dec 13 07:41:45.918 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.64s
Dec 13 07:41:45.926 INFO [stderr] su: No module specific data is present
Dec 13 07:41:46.583 INFO running `"docker" "inspect" "3871a9991d45af45bc4b8de40a7cc1eb8565a472149e8f4f84d609eb2ffe58f5"`
Dec 13 07:41:47.019 INFO running `"docker" "rm" "-f" "3871a9991d45af45bc4b8de40a7cc1eb8565a472149e8f4f84d609eb2ffe58f5"`
Dec 13 07:41:47.286 INFO [stdout] 3871a9991d45af45bc4b8de40a7cc1eb8565a472149e8f4f84d609eb2ffe58f5
Dec 13 07:41:47.288 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 07:41:47.699 INFO [stdout] e2a3be08f37ac5f8870fd635ec020bee765f6538efd8fc729da9947566b7a834
Dec 13 07:41:47.701 INFO running `"docker" "start" "-a" "e2a3be08f37ac5f8870fd635ec020bee765f6538efd8fc729da9947566b7a834"`
Dec 13 07:41:49.068 INFO [stderr] usermod: no changes
Dec 13 07:41:49.226 INFO [stderr]    Compiling nickel-demo v0.1.0 (/source)
Dec 13 07:41:50.235 INFO [stderr] warning: unused variable: `is_it_true`
Dec 13 07:41:50.235 INFO [stderr]   --> src/main.rs:11:7
Dec 13 07:41:50.235 INFO [stderr]    |
Dec 13 07:41:50.235 INFO [stderr] 11 |   let is_it_true: bool = true;
Dec 13 07:41:50.235 INFO [stderr]    |       ^^^^^^^^^^ help: consider using `_is_it_true` instead
Dec 13 07:41:50.235 INFO [stderr]    |
Dec 13 07:41:50.235 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 07:41:50.235 INFO [stderr] 
Dec 13 07:41:50.235 INFO [stderr] warning: unused variable: `let_x`
Dec 13 07:41:50.235 INFO [stderr]   --> src/main.rs:12:7
Dec 13 07:41:50.235 INFO [stderr]    |
Dec 13 07:41:50.235 INFO [stderr] 12 |   let let_x: char = 'x';
Dec 13 07:41:50.235 INFO [stderr]    |       ^^^^^ help: consider using `_let_x` instead
Dec 13 07:41:50.235 INFO [stderr] 
Dec 13 07:41:50.243 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:41:50.243 INFO [stderr]   --> src/main.rs:10:7
Dec 13 07:41:50.243 INFO [stderr]    |
Dec 13 07:41:50.243 INFO [stderr] 10 |   let mut num: i32 = 10;
Dec 13 07:41:50.243 INFO [stderr]    |       ----^^^
Dec 13 07:41:50.243 INFO [stderr]    |       |
Dec 13 07:41:50.243 INFO [stderr]    |       help: remove this `mut`
Dec 13 07:41:50.243 INFO [stderr]    |
Dec 13 07:41:50.243 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 07:41:50.243 INFO [stderr] 
Dec 13 07:41:50.247 INFO [stderr] warning: function is never used: `func2`
Dec 13 07:41:50.247 INFO [stderr]  --> src/constants.rs:2:2
Dec 13 07:41:50.247 INFO [stderr]   |
Dec 13 07:41:50.247 INFO [stderr] 2 |     pub fn func2() {
Dec 13 07:41:50.247 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 13 07:41:50.247 INFO [stderr]   |
Dec 13 07:41:50.247 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 07:41:50.247 INFO [stderr] 
Dec 13 07:41:50.247 INFO [stderr] warning: function is never used: `goodbye`
Dec 13 07:41:50.247 INFO [stderr]  --> src/english/farewells.rs:1:1
Dec 13 07:41:50.247 INFO [stderr]   |
Dec 13 07:41:50.247 INFO [stderr] 1 | fn goodbye() -> String {
Dec 13 07:41:50.247 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:41:50.247 INFO [stderr] 
Dec 13 07:41:50.247 INFO [stderr] warning: function is never used: `hello`
Dec 13 07:41:50.247 INFO [stderr]  --> src/japanese/greetings.rs:1:1
Dec 13 07:41:50.247 INFO [stderr]   |
Dec 13 07:41:50.247 INFO [stderr] 1 | fn hello() -> String {
Dec 13 07:41:50.247 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 13 07:41:50.247 INFO [stderr] 
Dec 13 07:41:50.247 INFO [stderr] warning: function is never used: `goodbye`
Dec 13 07:41:50.247 INFO [stderr]  --> src/japanese/farewells.rs:1:1
Dec 13 07:41:50.247 INFO [stderr]   |
Dec 13 07:41:50.247 INFO [stderr] 1 | fn goodbye() -> String {
Dec 13 07:41:50.247 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:41:50.247 INFO [stderr] 
Dec 13 07:41:50.247 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 07:41:50.247 INFO [stderr]   --> src/main.rs:32:3
Dec 13 07:41:50.247 INFO [stderr]    |
Dec 13 07:41:50.247 INFO [stderr] 32 |   server.listen("127.0.0.1:6767");
Dec 13 07:41:50.247 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:41:50.247 INFO [stderr]    |
Dec 13 07:41:50.247 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 07:41:50.247 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 07:41:50.247 INFO [stderr] 
Dec 13 07:41:50.767 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Dec 13 07:41:50.773 INFO [stderr] su: No module specific data is present
Dec 13 07:41:51.762 INFO running `"docker" "inspect" "e2a3be08f37ac5f8870fd635ec020bee765f6538efd8fc729da9947566b7a834"`
Dec 13 07:41:52.100 INFO running `"docker" "rm" "-f" "e2a3be08f37ac5f8870fd635ec020bee765f6538efd8fc729da9947566b7a834"`
Dec 13 07:41:52.351 INFO [stdout] e2a3be08f37ac5f8870fd635ec020bee765f6538efd8fc729da9947566b7a834
Dec 13 07:41:52.355 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 07:41:52.814 INFO [stdout] 83319e4bd1133a78f52730c0c041a30a7a6fdbb0bbefeb4fabe1c697b4536c0f
Dec 13 07:41:52.820 INFO running `"docker" "start" "-a" "83319e4bd1133a78f52730c0c041a30a7a6fdbb0bbefeb4fabe1c697b4536c0f"`
Dec 13 07:41:54.594 INFO [stderr] usermod: no changes
Dec 13 07:41:54.715 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 13 07:41:54.715 INFO [stderr]      Running /target/debug/deps/nickel_demo-095e16b6dac9df18
Dec 13 07:41:54.719 INFO [stdout] 
Dec 13 07:41:54.719 INFO [stdout] running 0 tests
Dec 13 07:41:54.719 INFO [stdout] 
Dec 13 07:41:54.719 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 07:41:54.719 INFO [stdout] 
Dec 13 07:41:54.720 INFO [stderr] su: No module specific data is present
Dec 13 07:41:55.756 INFO running `"docker" "inspect" "83319e4bd1133a78f52730c0c041a30a7a6fdbb0bbefeb4fabe1c697b4536c0f"`
Dec 13 07:41:56.009 INFO running `"docker" "rm" "-f" "83319e4bd1133a78f52730c0c041a30a7a6fdbb0bbefeb4fabe1c697b4536c0f"`
Dec 13 07:41:56.323 INFO [stdout] 83319e4bd1133a78f52730c0c041a30a7a6fdbb0bbefeb4fabe1c697b4536c0f