Nov 06 14:40:44.717 INFO checking samfoo/trees against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 14:40:44.717 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-4/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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"`
Nov 06 14:40:45.084 INFO blam! cc60ef157c39369c4cd2cef71270f0210cf62994d187afae00a3de7a33dba41a
Nov 06 14:40:45.089 INFO running `"docker" "start" "-a" "cc60ef157c39369c4cd2cef71270f0210cf62994d187afae00a3de7a33dba41a"`
Nov 06 14:40:46.321 INFO kablam! usermod: no changes
Nov 06 14:40:46.444 INFO kablam!     Checking either v1.1.0
Nov 06 14:40:46.444 INFO kablam!    Compiling ndarray v0.9.1
Nov 06 14:40:46.452 INFO kablam!    Compiling cairo-rs v0.1.3
Nov 06 14:40:46.460 INFO kablam!    Compiling cairo-sys-rs v0.3.4
Nov 06 14:40:46.460 INFO kablam!     Checking num-complex v0.1.38
Nov 06 14:40:47.164 INFO kablam!     Checking itertools v0.6.0
Nov 06 14:40:59.007 INFO kablam!     Checking ndarray-rand v0.5.0
Nov 06 14:40:59.484 INFO kablam!     Checking trees v0.1.0 (/source)
Nov 06 14:41:00.316 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 06 14:41:00.316 INFO kablam!   --> src/main.rs:10:5
Nov 06 14:41:00.316 INFO kablam!    |
Nov 06 14:41:00.316 INFO kablam! 10 | use std::io::prelude::*;
Nov 06 14:41:00.316 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Nov 06 14:41:00.316 INFO kablam!    |
Nov 06 14:41:00.316 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 06 14:41:00.316 INFO kablam! 
Nov 06 14:41:00.316 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 06 14:41:00.316 INFO kablam!   --> src/main.rs:10:5
Nov 06 14:41:00.316 INFO kablam!    |
Nov 06 14:41:00.316 INFO kablam! 10 | use std::io::prelude::*;
Nov 06 14:41:00.316 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Nov 06 14:41:00.316 INFO kablam!    |
Nov 06 14:41:00.316 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 06 14:41:00.316 INFO kablam! 
Nov 06 14:41:00.468 INFO kablam! warning: unused variable: `ra`
Nov 06 14:41:00.468 INFO kablam!   --> src/tree.rs:97:25
Nov 06 14:41:00.468 INFO kablam!    |
Nov 06 14:41:00.468 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 06 14:41:00.468 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Nov 06 14:41:00.468 INFO kablam!    |
Nov 06 14:41:00.468 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 14:41:00.468 INFO kablam! 
Nov 06 14:41:00.492 INFO kablam! warning: variable does not need to be mutable
Nov 06 14:41:00.492 INFO kablam!    --> src/main.rs:138:9
Nov 06 14:41:00.492 INFO kablam!     |
Nov 06 14:41:00.492 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Nov 06 14:41:00.492 INFO kablam!     |         ----^^^^^^
Nov 06 14:41:00.492 INFO kablam!     |         |
Nov 06 14:41:00.492 INFO kablam!     |         help: remove this `mut`
Nov 06 14:41:00.492 INFO kablam!     |
Nov 06 14:41:00.492 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 06 14:41:00.492 INFO kablam! 
Nov 06 14:41:00.503 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 14:41:00.503 INFO kablam!    --> src/main.rs:141:5
Nov 06 14:41:00.503 INFO kablam!     |
Nov 06 14:41:00.503 INFO kablam! 141 |     surface.write_to_png(&mut f);
Nov 06 14:41:00.503 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:41:00.503 INFO kablam!     |
Nov 06 14:41:00.503 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 06 14:41:00.503 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 14:41:00.503 INFO kablam! 
Nov 06 14:41:00.600 INFO kablam! warning: unused variable: `ra`
Nov 06 14:41:00.600 INFO kablam!   --> src/tree.rs:97:25
Nov 06 14:41:00.600 INFO kablam!    |
Nov 06 14:41:00.600 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 06 14:41:00.600 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Nov 06 14:41:00.600 INFO kablam!    |
Nov 06 14:41:00.600 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 14:41:00.600 INFO kablam! 
Nov 06 14:41:00.645 INFO kablam! warning: variable does not need to be mutable
Nov 06 14:41:00.645 INFO kablam!    --> src/main.rs:138:9
Nov 06 14:41:00.645 INFO kablam!     |
Nov 06 14:41:00.645 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Nov 06 14:41:00.645 INFO kablam!     |         ----^^^^^^
Nov 06 14:41:00.645 INFO kablam!     |         |
Nov 06 14:41:00.645 INFO kablam!     |         help: remove this `mut`
Nov 06 14:41:00.645 INFO kablam!     |
Nov 06 14:41:00.645 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 06 14:41:00.645 INFO kablam! 
Nov 06 14:41:00.656 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 14:41:00.656 INFO kablam!    --> src/main.rs:141:5
Nov 06 14:41:00.656 INFO kablam!     |
Nov 06 14:41:00.656 INFO kablam! 141 |     surface.write_to_png(&mut f);
Nov 06 14:41:00.656 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:41:00.656 INFO kablam!     |
Nov 06 14:41:00.656 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 06 14:41:00.656 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 14:41:00.656 INFO kablam! 
Nov 06 14:41:00.697 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.34s
Nov 06 14:41:00.705 INFO kablam! su: No module specific data is present
Nov 06 14:41:01.552 INFO running `"docker" "rm" "-f" "cc60ef157c39369c4cd2cef71270f0210cf62994d187afae00a3de7a33dba41a"`
Nov 06 14:41:01.921 INFO blam! cc60ef157c39369c4cd2cef71270f0210cf62994d187afae00a3de7a33dba41a