Nov 30 20:40:37.576 INFO testing withoutboats/guessing_game against 1.30.1 for beta-1.31-5
Nov 30 20:40:37.576 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 20:40:37.966 INFO [stdout] a2579dae4cb969e151989f2d070874ecff8ef976b97db39d2207a33bb049d579
Nov 30 20:40:37.967 INFO running `"docker" "start" "-a" "a2579dae4cb969e151989f2d070874ecff8ef976b97db39d2207a33bb049d579"`
Nov 30 20:40:39.143 INFO [stderr] usermod: no changes
Nov 30 20:40:39.216 INFO [stderr]    Compiling guessing_game v0.1.0 (/source)
Nov 30 20:40:39.503 INFO [stderr] warning: unused variable: `secret`
Nov 30 20:40:39.503 INFO [stderr]   --> src/secret_number/mod.rs:15:12
Nov 30 20:40:39.503 INFO [stderr]    |
Nov 30 20:40:39.503 INFO [stderr] 15 |     fn new(secret: u16) -> Secret {
Nov 30 20:40:39.503 INFO [stderr]    |            ^^^^^^ help: consider using `_secret` instead
Nov 30 20:40:39.503 INFO [stderr]    |
Nov 30 20:40:39.503 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 20:40:39.503 INFO [stderr] 
Nov 30 20:40:39.503 INFO [stderr] warning: unused variable: `guess`
Nov 30 20:40:39.503 INFO [stderr]   --> src/secret_number/mod.rs:19:25
Nov 30 20:40:39.503 INFO [stderr]    |
Nov 30 20:40:39.504 INFO [stderr] 19 |     pub fn guess(&self, guess: &str) -> Result<u32, GuessError> {
Nov 30 20:40:39.504 INFO [stderr]    |                         ^^^^^ help: consider using `_guess` instead
Nov 30 20:40:39.504 INFO [stderr] 
Nov 30 20:40:39.504 INFO [stderr] warning: unused variable: `f`
Nov 30 20:40:39.504 INFO [stderr]   --> src/secret_number/mod.rs:36:19
Nov 30 20:40:39.504 INFO [stderr]    |
Nov 30 20:40:39.504 INFO [stderr] 36 |     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
Nov 30 20:40:39.504 INFO [stderr]    |                   ^ help: consider using `_f` instead
Nov 30 20:40:39.504 INFO [stderr] 
Nov 30 20:40:39.509 INFO [stderr] warning: struct is never constructed: `Secret`
Nov 30 20:40:39.509 INFO [stderr]  --> src/secret_number/mod.rs:7:1
Nov 30 20:40:39.509 INFO [stderr]   |
Nov 30 20:40:39.509 INFO [stderr] 7 | pub struct Secret {
Nov 30 20:40:39.509 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 30 20:40:39.509 INFO [stderr]   |
Nov 30 20:40:39.509 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 20:40:39.509 INFO [stderr] 
Nov 30 20:40:39.509 INFO [stderr] warning: method is never used: `random`
Nov 30 20:40:39.509 INFO [stderr]   --> src/secret_number/mod.rs:11:5
Nov 30 20:40:39.509 INFO [stderr]    |
Nov 30 20:40:39.509 INFO [stderr] 11 |     pub fn random() -> Secret {
Nov 30 20:40:39.509 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 20:40:39.509 INFO [stderr] 
Nov 30 20:40:39.509 INFO [stderr] warning: method is never used: `new`
Nov 30 20:40:39.509 INFO [stderr]   --> src/secret_number/mod.rs:15:5
Nov 30 20:40:39.509 INFO [stderr]    |
Nov 30 20:40:39.509 INFO [stderr] 15 |     fn new(secret: u16) -> Secret {
Nov 30 20:40:39.509 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 20:40:39.509 INFO [stderr] 
Nov 30 20:40:39.523 INFO [stderr] warning: method is never used: `guess`
Nov 30 20:40:39.523 INFO [stderr]   --> src/secret_number/mod.rs:19:5
Nov 30 20:40:39.523 INFO [stderr]    |
Nov 30 20:40:39.523 INFO [stderr] 19 |     pub fn guess(&self, guess: &str) -> Result<u32, GuessError> {
Nov 30 20:40:39.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 20:40:39.523 INFO [stderr] 
Nov 30 20:40:39.523 INFO [stderr] warning: method is never used: `secret`
Nov 30 20:40:39.523 INFO [stderr]   --> src/secret_number/mod.rs:23:5
Nov 30 20:40:39.523 INFO [stderr]    |
Nov 30 20:40:39.523 INFO [stderr] 23 |     fn secret(&self) -> u16 {
Nov 30 20:40:39.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 20:40:39.523 INFO [stderr] 
Nov 30 20:40:39.523 INFO [stderr] warning: variant is never constructed: `TooHigh`
Nov 30 20:40:39.523 INFO [stderr]   --> src/secret_number/mod.rs:30:5
Nov 30 20:40:39.523 INFO [stderr]    |
Nov 30 20:40:39.523 INFO [stderr] 30 |     TooHigh(u16),
Nov 30 20:40:39.523 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 30 20:40:39.523 INFO [stderr] 
Nov 30 20:40:39.523 INFO [stderr] warning: variant is never constructed: `TooLow`
Nov 30 20:40:39.523 INFO [stderr]   --> src/secret_number/mod.rs:31:5
Nov 30 20:40:39.523 INFO [stderr]    |
Nov 30 20:40:39.523 INFO [stderr] 31 |     TooLow(u16),
Nov 30 20:40:39.523 INFO [stderr]    |     ^^^^^^^^^^^
Nov 30 20:40:39.523 INFO [stderr] 
Nov 30 20:40:39.523 INFO [stderr] warning: variant is never constructed: `NotANumber`
Nov 30 20:40:39.523 INFO [stderr]   --> src/secret_number/mod.rs:32:5
Nov 30 20:40:39.523 INFO [stderr]    |
Nov 30 20:40:39.523 INFO [stderr] 32 |     NotANumber,
Nov 30 20:40:39.523 INFO [stderr]    |     ^^^^^^^^^^
Nov 30 20:40:39.523 INFO [stderr] 
Nov 30 20:40:39.891 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Nov 30 20:40:39.895 INFO [stderr] su: No module specific data is present
Nov 30 20:40:40.413 INFO running `"docker" "inspect" "a2579dae4cb969e151989f2d070874ecff8ef976b97db39d2207a33bb049d579"`
Nov 30 20:40:40.767 INFO running `"docker" "rm" "-f" "a2579dae4cb969e151989f2d070874ecff8ef976b97db39d2207a33bb049d579"`
Nov 30 20:40:41.243 INFO [stdout] a2579dae4cb969e151989f2d070874ecff8ef976b97db39d2207a33bb049d579
Nov 30 20:40:41.252 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 20:40:41.767 INFO [stdout] 28e3fb79004781b12b3916526574414263d476e8fa07a2181ef308b3d2b1278b
Nov 30 20:40:41.773 INFO running `"docker" "start" "-a" "28e3fb79004781b12b3916526574414263d476e8fa07a2181ef308b3d2b1278b"`
Nov 30 20:40:43.049 INFO [stderr] usermod: no changes
Nov 30 20:40:43.091 INFO [stderr]    Compiling guessing_game v0.1.0 (/source)
Nov 30 20:40:43.395 INFO [stderr] warning: unused variable: `secret`
Nov 30 20:40:43.396 INFO [stderr]   --> src/secret_number/mod.rs:15:12
Nov 30 20:40:43.396 INFO [stderr]    |
Nov 30 20:40:43.396 INFO [stderr] 15 |     fn new(secret: u16) -> Secret {
Nov 30 20:40:43.396 INFO [stderr]    |            ^^^^^^ help: consider using `_secret` instead
Nov 30 20:40:43.396 INFO [stderr]    |
Nov 30 20:40:43.396 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 20:40:43.396 INFO [stderr] 
Nov 30 20:40:43.396 INFO [stderr] warning: unused variable: `guess`
Nov 30 20:40:43.396 INFO [stderr]   --> src/secret_number/mod.rs:19:25
Nov 30 20:40:43.396 INFO [stderr]    |
Nov 30 20:40:43.396 INFO [stderr] 19 |     pub fn guess(&self, guess: &str) -> Result<u32, GuessError> {
Nov 30 20:40:43.396 INFO [stderr]    |                         ^^^^^ help: consider using `_guess` instead
Nov 30 20:40:43.397 INFO [stderr] 
Nov 30 20:40:43.397 INFO [stderr] warning: unused variable: `f`
Nov 30 20:40:43.397 INFO [stderr]   --> src/secret_number/mod.rs:36:19
Nov 30 20:40:43.397 INFO [stderr]    |
Nov 30 20:40:43.397 INFO [stderr] 36 |     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
Nov 30 20:40:43.397 INFO [stderr]    |                   ^ help: consider using `_f` instead
Nov 30 20:40:43.397 INFO [stderr] 
Nov 30 20:40:43.410 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:40:43.410 INFO [stderr]   --> src/secret_number/tests.rs:18:9
Nov 30 20:40:43.410 INFO [stderr]    |
Nov 30 20:40:43.410 INFO [stderr] 18 |     let mut secret = Secret::new(0);
Nov 30 20:40:43.410 INFO [stderr]    |         ----^^^^^^
Nov 30 20:40:43.410 INFO [stderr]    |         |
Nov 30 20:40:43.410 INFO [stderr]    |         help: remove this `mut`
Nov 30 20:40:43.410 INFO [stderr]    |
Nov 30 20:40:43.410 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 20:40:43.410 INFO [stderr] 
Nov 30 20:40:43.415 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:40:43.415 INFO [stderr]   --> src/secret_number/tests.rs:24:9
Nov 30 20:40:43.415 INFO [stderr]    |
Nov 30 20:40:43.415 INFO [stderr] 24 |     let mut secret = Secret::new(0);
Nov 30 20:40:43.415 INFO [stderr]    |         ----^^^^^^
Nov 30 20:40:43.415 INFO [stderr]    |         |
Nov 30 20:40:43.415 INFO [stderr]    |         help: remove this `mut`
Nov 30 20:40:43.415 INFO [stderr] 
Nov 30 20:40:43.415 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:40:43.415 INFO [stderr]   --> src/secret_number/tests.rs:30:9
Nov 30 20:40:43.415 INFO [stderr]    |
Nov 30 20:40:43.415 INFO [stderr] 30 |     let mut secret = Secret::new(1);
Nov 30 20:40:43.415 INFO [stderr]    |         ----^^^^^^
Nov 30 20:40:43.416 INFO [stderr]    |         |
Nov 30 20:40:43.416 INFO [stderr]    |         help: remove this `mut`
Nov 30 20:40:43.416 INFO [stderr] 
Nov 30 20:40:43.416 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:40:43.416 INFO [stderr]   --> src/secret_number/tests.rs:36:9
Nov 30 20:40:43.416 INFO [stderr]    |
Nov 30 20:40:43.416 INFO [stderr] 36 |     let mut secret = Secret::new(0);
Nov 30 20:40:43.416 INFO [stderr]    |         ----^^^^^^
Nov 30 20:40:43.416 INFO [stderr]    |         |
Nov 30 20:40:43.416 INFO [stderr]    |         help: remove this `mut`
Nov 30 20:40:43.416 INFO [stderr] 
Nov 30 20:40:43.416 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:40:43.416 INFO [stderr]   --> src/secret_number/tests.rs:42:9
Nov 30 20:40:43.416 INFO [stderr]    |
Nov 30 20:40:43.416 INFO [stderr] 42 |     let mut secret = Secret::new(1);
Nov 30 20:40:43.416 INFO [stderr]    |         ----^^^^^^
Nov 30 20:40:43.416 INFO [stderr]    |         |
Nov 30 20:40:43.416 INFO [stderr]    |         help: remove this `mut`
Nov 30 20:40:43.416 INFO [stderr] 
Nov 30 20:40:43.423 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:40:43.423 INFO [stderr]   --> src/secret_number/tests.rs:49:9
Nov 30 20:40:43.423 INFO [stderr]    |
Nov 30 20:40:43.423 INFO [stderr] 49 |     let mut secret = Secret::new(0);
Nov 30 20:40:43.423 INFO [stderr]    |         ----^^^^^^
Nov 30 20:40:43.423 INFO [stderr]    |         |
Nov 30 20:40:43.423 INFO [stderr]    |         help: remove this `mut`
Nov 30 20:40:43.423 INFO [stderr] 
Nov 30 20:40:43.423 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:40:43.423 INFO [stderr]   --> src/secret_number/tests.rs:57:9
Nov 30 20:40:43.423 INFO [stderr]    |
Nov 30 20:40:43.423 INFO [stderr] 57 |     let mut secret = Secret::new(0);
Nov 30 20:40:43.423 INFO [stderr]    |         ----^^^^^^
Nov 30 20:40:43.423 INFO [stderr]    |         |
Nov 30 20:40:43.423 INFO [stderr]    |         help: remove this `mut`
Nov 30 20:40:43.423 INFO [stderr] 
Nov 30 20:40:44.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Nov 30 20:40:44.206 INFO [stderr] su: No module specific data is present
Nov 30 20:40:44.963 INFO running `"docker" "inspect" "28e3fb79004781b12b3916526574414263d476e8fa07a2181ef308b3d2b1278b"`
Nov 30 20:40:45.281 INFO running `"docker" "rm" "-f" "28e3fb79004781b12b3916526574414263d476e8fa07a2181ef308b3d2b1278b"`
Nov 30 20:40:45.635 INFO [stdout] 28e3fb79004781b12b3916526574414263d476e8fa07a2181ef308b3d2b1278b
