Oct 12 10:42:08.001 INFO checking withoutboats/guessing_game against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 10:42:08.003 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-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"`
Oct 12 10:42:08.633 INFO blam! 51335ea484933b762365dae7a7034aa8ba3d88ebf8e6a768c6371e511f30d5a9
Oct 12 10:42:08.635 INFO running `"docker" "start" "-a" "51335ea484933b762365dae7a7034aa8ba3d88ebf8e6a768c6371e511f30d5a9"`
Oct 12 10:42:10.131 INFO kablam! usermod: no changes
Oct 12 10:42:10.220 INFO kablam!     Checking guessing_game v0.1.0 (/source)
Oct 12 10:42:10.565 INFO kablam! warning: unused variable: `secret`
Oct 12 10:42:10.565 INFO kablam!   --> src/secret_number/mod.rs:15:12
Oct 12 10:42:10.565 INFO kablam!    |
Oct 12 10:42:10.565 INFO kablam! 15 |     fn new(secret: u16) -> Secret {
Oct 12 10:42:10.565 INFO kablam!    |            ^^^^^^ help: consider using `_secret` instead
Oct 12 10:42:10.565 INFO kablam!    |
Oct 12 10:42:10.565 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:42:10.565 INFO kablam! 
Oct 12 10:42:10.565 INFO kablam! warning: unused variable: `guess`
Oct 12 10:42:10.565 INFO kablam!   --> src/secret_number/mod.rs:19:25
Oct 12 10:42:10.565 INFO kablam!    |
Oct 12 10:42:10.565 INFO kablam! 19 |     pub fn guess(&self, guess: &str) -> Result<u32, GuessError> {
Oct 12 10:42:10.565 INFO kablam!    |                         ^^^^^ help: consider using `_guess` instead
Oct 12 10:42:10.565 INFO kablam! 
Oct 12 10:42:10.565 INFO kablam! warning: unused variable: `f`
Oct 12 10:42:10.565 INFO kablam!   --> src/secret_number/mod.rs:36:19
Oct 12 10:42:10.565 INFO kablam!    |
Oct 12 10:42:10.565 INFO kablam! 36 |     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
Oct 12 10:42:10.565 INFO kablam!    |                   ^ help: consider using `_f` instead
Oct 12 10:42:10.565 INFO kablam! 
Oct 12 10:42:10.576 INFO kablam! warning: struct is never constructed: `Secret`
Oct 12 10:42:10.576 INFO kablam!  --> src/secret_number/mod.rs:7:1
Oct 12 10:42:10.576 INFO kablam!   |
Oct 12 10:42:10.576 INFO kablam! 7 | pub struct Secret {
Oct 12 10:42:10.576 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Oct 12 10:42:10.576 INFO kablam!   |
Oct 12 10:42:10.576 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 10:42:10.576 INFO kablam! 
Oct 12 10:42:10.576 INFO kablam! warning: method is never used: `random`
Oct 12 10:42:10.577 INFO kablam!   --> src/secret_number/mod.rs:11:5
Oct 12 10:42:10.577 INFO kablam!    |
Oct 12 10:42:10.577 INFO kablam! 11 |     pub fn random() -> Secret {
Oct 12 10:42:10.577 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:42:10.577 INFO kablam! 
Oct 12 10:42:10.577 INFO kablam! warning: method is never used: `new`
Oct 12 10:42:10.577 INFO kablam!   --> src/secret_number/mod.rs:15:5
Oct 12 10:42:10.577 INFO kablam!    |
Oct 12 10:42:10.577 INFO kablam! 15 |     fn new(secret: u16) -> Secret {
Oct 12 10:42:10.577 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:42:10.577 INFO kablam! 
Oct 12 10:42:10.577 INFO kablam! warning: method is never used: `guess`
Oct 12 10:42:10.577 INFO kablam!   --> src/secret_number/mod.rs:19:5
Oct 12 10:42:10.577 INFO kablam!    |
Oct 12 10:42:10.577 INFO kablam! 19 |     pub fn guess(&self, guess: &str) -> Result<u32, GuessError> {
Oct 12 10:42:10.577 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:42:10.577 INFO kablam! 
Oct 12 10:42:10.577 INFO kablam! warning: method is never used: `secret`
Oct 12 10:42:10.577 INFO kablam!   --> src/secret_number/mod.rs:23:5
Oct 12 10:42:10.577 INFO kablam!    |
Oct 12 10:42:10.577 INFO kablam! 23 |     fn secret(&self) -> u16 {
Oct 12 10:42:10.577 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:42:10.577 INFO kablam! 
Oct 12 10:42:10.577 INFO kablam! warning: variant is never constructed: `TooHigh`
Oct 12 10:42:10.577 INFO kablam!   --> src/secret_number/mod.rs:30:5
Oct 12 10:42:10.577 INFO kablam!    |
Oct 12 10:42:10.577 INFO kablam! 30 |     TooHigh(u16),
Oct 12 10:42:10.577 INFO kablam!    |     ^^^^^^^^^^^^
Oct 12 10:42:10.577 INFO kablam! 
Oct 12 10:42:10.577 INFO kablam! warning: variant is never constructed: `TooLow`
Oct 12 10:42:10.577 INFO kablam!   --> src/secret_number/mod.rs:31:5
Oct 12 10:42:10.577 INFO kablam!    |
Oct 12 10:42:10.577 INFO kablam! 31 |     TooLow(u16),
Oct 12 10:42:10.577 INFO kablam!    |     ^^^^^^^^^^^
Oct 12 10:42:10.577 INFO kablam! 
Oct 12 10:42:10.577 INFO kablam! warning: variant is never constructed: `NotANumber`
Oct 12 10:42:10.577 INFO kablam!   --> src/secret_number/mod.rs:32:5
Oct 12 10:42:10.577 INFO kablam!    |
Oct 12 10:42:10.577 INFO kablam! 32 |     NotANumber,
Oct 12 10:42:10.577 INFO kablam!    |     ^^^^^^^^^^
Oct 12 10:42:10.577 INFO kablam! 
Oct 12 10:42:10.656 INFO kablam! warning: unused variable: `secret`
Oct 12 10:42:10.656 INFO kablam!   --> src/secret_number/mod.rs:15:12
Oct 12 10:42:10.656 INFO kablam!    |
Oct 12 10:42:10.656 INFO kablam! 15 |     fn new(secret: u16) -> Secret {
Oct 12 10:42:10.656 INFO kablam!    |            ^^^^^^ help: consider using `_secret` instead
Oct 12 10:42:10.656 INFO kablam!    |
Oct 12 10:42:10.656 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:42:10.656 INFO kablam! 
Oct 12 10:42:10.656 INFO kablam! warning: unused variable: `guess`
Oct 12 10:42:10.656 INFO kablam!   --> src/secret_number/mod.rs:19:25
Oct 12 10:42:10.656 INFO kablam!    |
Oct 12 10:42:10.656 INFO kablam! 19 |     pub fn guess(&self, guess: &str) -> Result<u32, GuessError> {
Oct 12 10:42:10.656 INFO kablam!    |                         ^^^^^ help: consider using `_guess` instead
Oct 12 10:42:10.656 INFO kablam! 
Oct 12 10:42:10.656 INFO kablam! warning: unused variable: `f`
Oct 12 10:42:10.656 INFO kablam!   --> src/secret_number/mod.rs:36:19
Oct 12 10:42:10.656 INFO kablam!    |
Oct 12 10:42:10.657 INFO kablam! 36 |     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
Oct 12 10:42:10.657 INFO kablam!    |                   ^ help: consider using `_f` instead
Oct 12 10:42:10.657 INFO kablam! 
Oct 12 10:42:10.668 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:10.668 INFO kablam!   --> src/secret_number/tests.rs:18:9
Oct 12 10:42:10.668 INFO kablam!    |
Oct 12 10:42:10.668 INFO kablam! 18 |     let mut secret = Secret::new(0);
Oct 12 10:42:10.668 INFO kablam!    |         ----^^^^^^
Oct 12 10:42:10.668 INFO kablam!    |         |
Oct 12 10:42:10.668 INFO kablam!    |         help: remove this `mut`
Oct 12 10:42:10.668 INFO kablam!    |
Oct 12 10:42:10.668 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:42:10.668 INFO kablam! 
Oct 12 10:42:10.668 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:10.668 INFO kablam!   --> src/secret_number/tests.rs:24:9
Oct 12 10:42:10.668 INFO kablam!    |
Oct 12 10:42:10.668 INFO kablam! 24 |     let mut secret = Secret::new(0);
Oct 12 10:42:10.668 INFO kablam!    |         ----^^^^^^
Oct 12 10:42:10.668 INFO kablam!    |         |
Oct 12 10:42:10.668 INFO kablam!    |         help: remove this `mut`
Oct 12 10:42:10.668 INFO kablam! 
Oct 12 10:42:10.668 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:10.668 INFO kablam!   --> src/secret_number/tests.rs:30:9
Oct 12 10:42:10.668 INFO kablam!    |
Oct 12 10:42:10.669 INFO kablam! 30 |     let mut secret = Secret::new(1);
Oct 12 10:42:10.669 INFO kablam!    |         ----^^^^^^
Oct 12 10:42:10.669 INFO kablam!    |         |
Oct 12 10:42:10.669 INFO kablam!    |         help: remove this `mut`
Oct 12 10:42:10.669 INFO kablam! 
Oct 12 10:42:10.669 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:10.669 INFO kablam!   --> src/secret_number/tests.rs:36:9
Oct 12 10:42:10.669 INFO kablam!    |
Oct 12 10:42:10.669 INFO kablam! 36 |     let mut secret = Secret::new(0);
Oct 12 10:42:10.669 INFO kablam!    |         ----^^^^^^
Oct 12 10:42:10.669 INFO kablam!    |         |
Oct 12 10:42:10.669 INFO kablam!    |         help: remove this `mut`
Oct 12 10:42:10.669 INFO kablam! 
Oct 12 10:42:10.671 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:10.671 INFO kablam!   --> src/secret_number/tests.rs:42:9
Oct 12 10:42:10.671 INFO kablam!    |
Oct 12 10:42:10.671 INFO kablam! 42 |     let mut secret = Secret::new(1);
Oct 12 10:42:10.671 INFO kablam!    |         ----^^^^^^
Oct 12 10:42:10.671 INFO kablam!    |         |
Oct 12 10:42:10.671 INFO kablam!    |         help: remove this `mut`
Oct 12 10:42:10.671 INFO kablam! 
Oct 12 10:42:10.680 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:10.680 INFO kablam!   --> src/secret_number/tests.rs:49:9
Oct 12 10:42:10.680 INFO kablam!    |
Oct 12 10:42:10.680 INFO kablam! 49 |     let mut secret = Secret::new(0);
Oct 12 10:42:10.680 INFO kablam!    |         ----^^^^^^
Oct 12 10:42:10.680 INFO kablam!    |         |
Oct 12 10:42:10.680 INFO kablam!    |         help: remove this `mut`
Oct 12 10:42:10.680 INFO kablam! 
Oct 12 10:42:10.680 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:42:10.680 INFO kablam!   --> src/secret_number/tests.rs:57:9
Oct 12 10:42:10.680 INFO kablam!    |
Oct 12 10:42:10.680 INFO kablam! 57 |     let mut secret = Secret::new(0);
Oct 12 10:42:10.680 INFO kablam!    |         ----^^^^^^
Oct 12 10:42:10.680 INFO kablam!    |         |
Oct 12 10:42:10.680 INFO kablam!    |         help: remove this `mut`
Oct 12 10:42:10.680 INFO kablam! 
Oct 12 10:42:10.728 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Oct 12 10:42:10.749 INFO kablam! su: No module specific data is present
Oct 12 10:42:11.879 INFO running `"docker" "rm" "-f" "51335ea484933b762365dae7a7034aa8ba3d88ebf8e6a768c6371e511f30d5a9"`
Oct 12 10:42:12.202 INFO blam! 51335ea484933b762365dae7a7034aa8ba3d88ebf8e6a768c6371e511f30d5a9