Nov 16 08:15:09.602 INFO testing withoutboats/guessing_game against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 08:15:09.603 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 08:15:09.961 INFO [stdout] 89ac950f8fcffce4aff302739c5857516fac06fa0b336f4473b40519b30dd91d
Nov 16 08:15:09.964 INFO running `"docker" "start" "-a" "89ac950f8fcffce4aff302739c5857516fac06fa0b336f4473b40519b30dd91d"`
Nov 16 08:15:11.082 INFO [stderr] usermod: no changes
Nov 16 08:15:11.132 INFO [stderr]    Compiling guessing_game v0.1.0 (/source)
Nov 16 08:15:11.295 INFO [stderr] warning: unused variable: `secret`
Nov 16 08:15:11.295 INFO [stderr]   --> src/secret_number/mod.rs:15:12
Nov 16 08:15:11.295 INFO [stderr]    |
Nov 16 08:15:11.295 INFO [stderr] 15 |     fn new(secret: u16) -> Secret {
Nov 16 08:15:11.295 INFO [stderr]    |            ^^^^^^ help: consider using `_secret` instead
Nov 16 08:15:11.295 INFO [stderr]    |
Nov 16 08:15:11.295 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 08:15:11.295 INFO [stderr] 
Nov 16 08:15:11.295 INFO [stderr] warning: unused variable: `guess`
Nov 16 08:15:11.295 INFO [stderr]   --> src/secret_number/mod.rs:19:25
Nov 16 08:15:11.295 INFO [stderr]    |
Nov 16 08:15:11.295 INFO [stderr] 19 |     pub fn guess(&self, guess: &str) -> Result<u32, GuessError> {
Nov 16 08:15:11.295 INFO [stderr]    |                         ^^^^^ help: consider using `_guess` instead
Nov 16 08:15:11.295 INFO [stderr] 
Nov 16 08:15:11.295 INFO [stderr] warning: unused variable: `f`
Nov 16 08:15:11.295 INFO [stderr]   --> src/secret_number/mod.rs:36:19
Nov 16 08:15:11.295 INFO [stderr]    |
Nov 16 08:15:11.295 INFO [stderr] 36 |     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
Nov 16 08:15:11.295 INFO [stderr]    |                   ^ help: consider using `_f` instead
Nov 16 08:15:11.295 INFO [stderr] 
Nov 16 08:15:11.307 INFO [stderr] warning: struct is never constructed: `Secret`
Nov 16 08:15:11.307 INFO [stderr]  --> src/secret_number/mod.rs:7:1
Nov 16 08:15:11.307 INFO [stderr]   |
Nov 16 08:15:11.307 INFO [stderr] 7 | pub struct Secret {
Nov 16 08:15:11.307 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 16 08:15:11.307 INFO [stderr]   |
Nov 16 08:15:11.307 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 08:15:11.307 INFO [stderr] 
Nov 16 08:15:11.307 INFO [stderr] warning: method is never used: `random`
Nov 16 08:15:11.307 INFO [stderr]   --> src/secret_number/mod.rs:11:5
Nov 16 08:15:11.307 INFO [stderr]    |
Nov 16 08:15:11.307 INFO [stderr] 11 |     pub fn random() -> Secret {
Nov 16 08:15:11.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 08:15:11.307 INFO [stderr] 
Nov 16 08:15:11.307 INFO [stderr] warning: method is never used: `new`
Nov 16 08:15:11.307 INFO [stderr]   --> src/secret_number/mod.rs:15:5
Nov 16 08:15:11.307 INFO [stderr]    |
Nov 16 08:15:11.307 INFO [stderr] 15 |     fn new(secret: u16) -> Secret {
Nov 16 08:15:11.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 08:15:11.307 INFO [stderr] 
Nov 16 08:15:11.307 INFO [stderr] warning: method is never used: `guess`
Nov 16 08:15:11.307 INFO [stderr]   --> src/secret_number/mod.rs:19:5
Nov 16 08:15:11.307 INFO [stderr]    |
Nov 16 08:15:11.307 INFO [stderr] 19 |     pub fn guess(&self, guess: &str) -> Result<u32, GuessError> {
Nov 16 08:15:11.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 08:15:11.307 INFO [stderr] 
Nov 16 08:15:11.307 INFO [stderr] warning: method is never used: `secret`
Nov 16 08:15:11.307 INFO [stderr]   --> src/secret_number/mod.rs:23:5
Nov 16 08:15:11.307 INFO [stderr]    |
Nov 16 08:15:11.307 INFO [stderr] 23 |     fn secret(&self) -> u16 {
Nov 16 08:15:11.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 08:15:11.307 INFO [stderr] 
Nov 16 08:15:11.307 INFO [stderr] warning: variant is never constructed: `TooHigh`
Nov 16 08:15:11.307 INFO [stderr]   --> src/secret_number/mod.rs:30:5
Nov 16 08:15:11.307 INFO [stderr]    |
Nov 16 08:15:11.307 INFO [stderr] 30 |     TooHigh(u16),
Nov 16 08:15:11.307 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 16 08:15:11.307 INFO [stderr] 
Nov 16 08:15:11.307 INFO [stderr] warning: variant is never constructed: `TooLow`
Nov 16 08:15:11.307 INFO [stderr]   --> src/secret_number/mod.rs:31:5
Nov 16 08:15:11.307 INFO [stderr]    |
Nov 16 08:15:11.307 INFO [stderr] 31 |     TooLow(u16),
Nov 16 08:15:11.307 INFO [stderr]    |     ^^^^^^^^^^^
Nov 16 08:15:11.307 INFO [stderr] 
Nov 16 08:15:11.307 INFO [stderr] warning: variant is never constructed: `NotANumber`
Nov 16 08:15:11.307 INFO [stderr]   --> src/secret_number/mod.rs:32:5
Nov 16 08:15:11.307 INFO [stderr]    |
Nov 16 08:15:11.307 INFO [stderr] 32 |     NotANumber,
Nov 16 08:15:11.307 INFO [stderr]    |     ^^^^^^^^^^
Nov 16 08:15:11.307 INFO [stderr] 
Nov 16 08:15:11.519 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Nov 16 08:15:11.535 INFO [stderr] su: No module specific data is present
Nov 16 08:15:11.996 INFO running `"docker" "inspect" "89ac950f8fcffce4aff302739c5857516fac06fa0b336f4473b40519b30dd91d"`
Nov 16 08:15:12.262 INFO running `"docker" "rm" "-f" "89ac950f8fcffce4aff302739c5857516fac06fa0b336f4473b40519b30dd91d"`
Nov 16 08:15:12.517 INFO [stdout] 89ac950f8fcffce4aff302739c5857516fac06fa0b336f4473b40519b30dd91d
Nov 16 08:15:12.527 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 08:15:12.920 INFO [stdout] 7c6edcdd1a982f7fb72ba2246035d0959670e3ecfb17f91d65e37f4ee73c7814
Nov 16 08:15:12.924 INFO running `"docker" "start" "-a" "7c6edcdd1a982f7fb72ba2246035d0959670e3ecfb17f91d65e37f4ee73c7814"`
Nov 16 08:15:13.907 INFO [stderr] usermod: no changes
Nov 16 08:15:13.967 INFO [stderr]    Compiling guessing_game v0.1.0 (/source)
Nov 16 08:15:14.211 INFO [stderr] warning: unused variable: `secret`
Nov 16 08:15:14.212 INFO [stderr]   --> src/secret_number/mod.rs:15:12
Nov 16 08:15:14.212 INFO [stderr]    |
Nov 16 08:15:14.212 INFO [stderr] 15 |     fn new(secret: u16) -> Secret {
Nov 16 08:15:14.213 INFO [stderr]    |            ^^^^^^ help: consider using `_secret` instead
Nov 16 08:15:14.213 INFO [stderr]    |
Nov 16 08:15:14.213 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 08:15:14.214 INFO [stderr] 
Nov 16 08:15:14.214 INFO [stderr] warning: unused variable: `guess`
Nov 16 08:15:14.214 INFO [stderr]   --> src/secret_number/mod.rs:19:25
Nov 16 08:15:14.215 INFO [stderr]    |
Nov 16 08:15:14.215 INFO [stderr] 19 |     pub fn guess(&self, guess: &str) -> Result<u32, GuessError> {
Nov 16 08:15:14.215 INFO [stderr]    |                         ^^^^^ help: consider using `_guess` instead
Nov 16 08:15:14.216 INFO [stderr] 
Nov 16 08:15:14.216 INFO [stderr] warning: unused variable: `f`
Nov 16 08:15:14.217 INFO [stderr]   --> src/secret_number/mod.rs:36:19
Nov 16 08:15:14.217 INFO [stderr]    |
Nov 16 08:15:14.217 INFO [stderr] 36 |     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
Nov 16 08:15:14.218 INFO [stderr]    |                   ^ help: consider using `_f` instead
Nov 16 08:15:14.218 INFO [stderr] 
Nov 16 08:15:14.227 INFO [stderr] warning: variable does not need to be mutable
Nov 16 08:15:14.227 INFO [stderr]   --> src/secret_number/tests.rs:18:9
Nov 16 08:15:14.228 INFO [stderr]    |
Nov 16 08:15:14.228 INFO [stderr] 18 |     let mut secret = Secret::new(0);
Nov 16 08:15:14.228 INFO [stderr]    |         ----^^^^^^
Nov 16 08:15:14.229 INFO [stderr]    |         |
Nov 16 08:15:14.229 INFO [stderr]    |         help: remove this `mut`
Nov 16 08:15:14.229 INFO [stderr]    |
Nov 16 08:15:14.229 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 08:15:14.230 INFO [stderr] 
Nov 16 08:15:14.230 INFO [stderr] warning: variable does not need to be mutable
Nov 16 08:15:14.230 INFO [stderr]   --> src/secret_number/tests.rs:24:9
Nov 16 08:15:14.231 INFO [stderr]    |
Nov 16 08:15:14.231 INFO [stderr] 24 |     let mut secret = Secret::new(0);
Nov 16 08:15:14.231 INFO [stderr]    |         ----^^^^^^
Nov 16 08:15:14.232 INFO [stderr]    |         |
Nov 16 08:15:14.232 INFO [stderr]    |         help: remove this `mut`
Nov 16 08:15:14.232 INFO [stderr] 
Nov 16 08:15:14.233 INFO [stderr] warning: variable does not need to be mutable
Nov 16 08:15:14.233 INFO [stderr]   --> src/secret_number/tests.rs:30:9
Nov 16 08:15:14.233 INFO [stderr]    |
Nov 16 08:15:14.233 INFO [stderr] 30 |     let mut secret = Secret::new(1);
Nov 16 08:15:14.234 INFO [stderr]    |         ----^^^^^^
Nov 16 08:15:14.234 INFO [stderr]    |         |
Nov 16 08:15:14.234 INFO [stderr]    |         help: remove this `mut`
Nov 16 08:15:14.235 INFO [stderr] 
Nov 16 08:15:14.235 INFO [stderr] warning: variable does not need to be mutable
Nov 16 08:15:14.235 INFO [stderr]   --> src/secret_number/tests.rs:36:9
Nov 16 08:15:14.236 INFO [stderr]    |
Nov 16 08:15:14.236 INFO [stderr] 36 |     let mut secret = Secret::new(0);
Nov 16 08:15:14.236 INFO [stderr]    |         ----^^^^^^
Nov 16 08:15:14.237 INFO [stderr]    |         |
Nov 16 08:15:14.237 INFO [stderr]    |         help: remove this `mut`
Nov 16 08:15:14.237 INFO [stderr] 
Nov 16 08:15:14.237 INFO [stderr] warning: variable does not need to be mutable
Nov 16 08:15:14.238 INFO [stderr]   --> src/secret_number/tests.rs:42:9
Nov 16 08:15:14.238 INFO [stderr]    |
Nov 16 08:15:14.238 INFO [stderr] 42 |     let mut secret = Secret::new(1);
Nov 16 08:15:14.239 INFO [stderr]    |         ----^^^^^^
Nov 16 08:15:14.241 INFO [stderr]    |         |
Nov 16 08:15:14.241 INFO [stderr]    |         help: remove this `mut`
Nov 16 08:15:14.241 INFO [stderr] 
Nov 16 08:15:14.241 INFO [stderr] warning: variable does not need to be mutable
Nov 16 08:15:14.241 INFO [stderr]   --> src/secret_number/tests.rs:49:9
Nov 16 08:15:14.241 INFO [stderr]    |
Nov 16 08:15:14.241 INFO [stderr] 49 |     let mut secret = Secret::new(0);
Nov 16 08:15:14.241 INFO [stderr]    |         ----^^^^^^
Nov 16 08:15:14.241 INFO [stderr]    |         |
Nov 16 08:15:14.241 INFO [stderr]    |         help: remove this `mut`
Nov 16 08:15:14.241 INFO [stderr] 
Nov 16 08:15:14.241 INFO [stderr] warning: variable does not need to be mutable
Nov 16 08:15:14.241 INFO [stderr]   --> src/secret_number/tests.rs:57:9
Nov 16 08:15:14.241 INFO [stderr]    |
Nov 16 08:15:14.241 INFO [stderr] 57 |     let mut secret = Secret::new(0);
Nov 16 08:15:14.241 INFO [stderr]    |         ----^^^^^^
Nov 16 08:15:14.241 INFO [stderr]    |         |
Nov 16 08:15:14.241 INFO [stderr]    |         help: remove this `mut`
Nov 16 08:15:14.241 INFO [stderr] 
Nov 16 08:15:14.970 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Nov 16 08:15:14.973 INFO [stderr] su: No module specific data is present
Nov 16 08:15:15.560 INFO running `"docker" "inspect" "7c6edcdd1a982f7fb72ba2246035d0959670e3ecfb17f91d65e37f4ee73c7814"`
Nov 16 08:15:15.713 INFO running `"docker" "rm" "-f" "7c6edcdd1a982f7fb72ba2246035d0959670e3ecfb17f91d65e37f4ee73c7814"`
Nov 16 08:15:15.895 INFO [stdout] 7c6edcdd1a982f7fb72ba2246035d0959670e3ecfb17f91d65e37f4ee73c7814