Nov 02 07:15:41.965 INFO checking samfoo/trees against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 07:15:41.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-2/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 02 07:15:42.318 INFO blam! 96b2bb90490efa4e20f60ecf412be9eff53c2e676344f061dde11e8e13a2a2b6
Nov 02 07:15:42.329 INFO running `"docker" "start" "-a" "96b2bb90490efa4e20f60ecf412be9eff53c2e676344f061dde11e8e13a2a2b6"`
Nov 02 07:15:43.700 INFO kablam! usermod: no changes
Nov 02 07:15:43.780 INFO kablam!    Compiling matrixmultiply v0.1.13
Nov 02 07:15:43.780 INFO kablam!    Compiling ndarray v0.9.1
Nov 02 07:15:43.782 INFO kablam!    Compiling cairo-rs v0.1.3
Nov 02 07:15:43.782 INFO kablam!    Compiling glib-sys v0.3.4
Nov 02 07:15:43.782 INFO kablam!    Compiling gobject-sys v0.3.4
Nov 02 07:15:43.782 INFO kablam!    Compiling cairo-sys-rs v0.3.4
Nov 02 07:15:43.782 INFO kablam!     Checking num-complex v0.1.38
Nov 02 07:15:53.208 INFO kablam!     Checking glib v0.1.3
Nov 02 07:15:58.966 INFO kablam!     Checking ndarray-rand v0.5.0
Nov 02 07:15:59.484 INFO kablam!     Checking trees v0.1.0 (/source)
Nov 02 07:15:59.972 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 02 07:15:59.973 INFO kablam!   --> src/main.rs:10:5
Nov 02 07:15:59.973 INFO kablam!    |
Nov 02 07:15:59.974 INFO kablam! 10 | use std::io::prelude::*;
Nov 02 07:15:59.974 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Nov 02 07:15:59.974 INFO kablam!    |
Nov 02 07:15:59.974 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 02 07:15:59.975 INFO kablam! 
Nov 02 07:16:00.041 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 02 07:16:00.041 INFO kablam!   --> src/main.rs:10:5
Nov 02 07:16:00.041 INFO kablam!    |
Nov 02 07:16:00.041 INFO kablam! 10 | use std::io::prelude::*;
Nov 02 07:16:00.048 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Nov 02 07:16:00.048 INFO kablam!    |
Nov 02 07:16:00.048 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 02 07:16:00.048 INFO kablam! 
Nov 02 07:16:00.180 INFO kablam! warning: unused variable: `ra`
Nov 02 07:16:00.180 INFO kablam!   --> src/tree.rs:97:25
Nov 02 07:16:00.180 INFO kablam!    |
Nov 02 07:16:00.180 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 02 07:16:00.180 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Nov 02 07:16:00.180 INFO kablam!    |
Nov 02 07:16:00.180 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 07:16:00.180 INFO kablam! 
Nov 02 07:16:00.180 INFO kablam! warning: variable does not need to be mutable
Nov 02 07:16:00.180 INFO kablam!    --> src/main.rs:138:9
Nov 02 07:16:00.180 INFO kablam!     |
Nov 02 07:16:00.180 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Nov 02 07:16:00.180 INFO kablam!     |         ----^^^^^^
Nov 02 07:16:00.180 INFO kablam!     |         |
Nov 02 07:16:00.180 INFO kablam!     |         help: remove this `mut`
Nov 02 07:16:00.180 INFO kablam!     |
Nov 02 07:16:00.180 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 07:16:00.180 INFO kablam! 
Nov 02 07:16:00.184 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 07:16:00.184 INFO kablam!    --> src/main.rs:141:5
Nov 02 07:16:00.184 INFO kablam!     |
Nov 02 07:16:00.184 INFO kablam! 141 |     surface.write_to_png(&mut f);
Nov 02 07:16:00.184 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:16:00.184 INFO kablam!     |
Nov 02 07:16:00.184 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 07:16:00.184 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 07:16:00.184 INFO kablam! 
Nov 02 07:16:00.192 INFO kablam! warning: unused variable: `ra`
Nov 02 07:16:00.192 INFO kablam!   --> src/tree.rs:97:25
Nov 02 07:16:00.192 INFO kablam!    |
Nov 02 07:16:00.192 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 02 07:16:00.192 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Nov 02 07:16:00.192 INFO kablam!    |
Nov 02 07:16:00.192 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 07:16:00.192 INFO kablam! 
Nov 02 07:16:00.216 INFO kablam! warning: variable does not need to be mutable
Nov 02 07:16:00.216 INFO kablam!    --> src/main.rs:138:9
Nov 02 07:16:00.216 INFO kablam!     |
Nov 02 07:16:00.216 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Nov 02 07:16:00.216 INFO kablam!     |         ----^^^^^^
Nov 02 07:16:00.216 INFO kablam!     |         |
Nov 02 07:16:00.216 INFO kablam!     |         help: remove this `mut`
Nov 02 07:16:00.216 INFO kablam!     |
Nov 02 07:16:00.216 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 07:16:00.216 INFO kablam! 
Nov 02 07:16:00.216 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 07:16:00.216 INFO kablam!    --> src/main.rs:141:5
Nov 02 07:16:00.216 INFO kablam!     |
Nov 02 07:16:00.216 INFO kablam! 141 |     surface.write_to_png(&mut f);
Nov 02 07:16:00.216 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:16:00.216 INFO kablam!     |
Nov 02 07:16:00.216 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 07:16:00.216 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 07:16:00.216 INFO kablam! 
Nov 02 07:16:00.280 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.55s
Nov 02 07:16:00.308 INFO kablam! su: No module specific data is present
Nov 02 07:16:01.350 INFO running `"docker" "rm" "-f" "96b2bb90490efa4e20f60ecf412be9eff53c2e676344f061dde11e8e13a2a2b6"`
Nov 02 07:16:01.652 INFO blam! 96b2bb90490efa4e20f60ecf412be9eff53c2e676344f061dde11e8e13a2a2b6