Nov 02 07:15:41.833 INFO checking samfoo/trees against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 07:15:41.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 07:15:42.224 INFO blam! f9f0f059b019ab6e356cae7c3e617ee3b471db960b7ae6d7af63d2c4d25286af
Nov 02 07:15:42.232 INFO running `"docker" "start" "-a" "f9f0f059b019ab6e356cae7c3e617ee3b471db960b7ae6d7af63d2c4d25286af"`
Nov 02 07:15:43.525 INFO kablam! usermod: no changes
Nov 02 07:15:43.632 INFO kablam!    Compiling matrixmultiply v0.1.13
Nov 02 07:15:43.644 INFO kablam!    Compiling ndarray v0.9.1
Nov 02 07:15:43.648 INFO kablam!    Compiling cairo-rs v0.1.3
Nov 02 07:15:43.648 INFO kablam!    Compiling glib-sys v0.3.4
Nov 02 07:15:43.648 INFO kablam!    Compiling gobject-sys v0.3.4
Nov 02 07:15:43.648 INFO kablam!    Compiling cairo-sys-rs v0.3.4
Nov 02 07:15:43.648 INFO kablam!     Checking itertools v0.6.0
Nov 02 07:15:43.653 INFO kablam!     Checking num-complex v0.1.38
Nov 02 07:15:54.604 INFO kablam!     Checking glib v0.1.3
Nov 02 07:16:00.612 INFO kablam!     Checking ndarray-rand v0.5.0
Nov 02 07:16:01.037 INFO kablam!     Checking trees v0.1.0 (/source)
Nov 02 07:16:01.849 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 02 07:16:01.849 INFO kablam!   --> src/main.rs:10:5
Nov 02 07:16:01.849 INFO kablam!    |
Nov 02 07:16:01.849 INFO kablam! 10 | use std::io::prelude::*;
Nov 02 07:16:01.850 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Nov 02 07:16:01.850 INFO kablam!    |
Nov 02 07:16:01.850 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 02 07:16:01.851 INFO kablam! 
Nov 02 07:16:01.877 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 02 07:16:01.877 INFO kablam!   --> src/main.rs:10:5
Nov 02 07:16:01.877 INFO kablam!    |
Nov 02 07:16:01.878 INFO kablam! 10 | use std::io::prelude::*;
Nov 02 07:16:01.878 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Nov 02 07:16:01.898 INFO kablam!    |
Nov 02 07:16:01.899 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 02 07:16:01.899 INFO kablam! 
Nov 02 07:16:02.049 INFO kablam! warning: unused variable: `ra`
Nov 02 07:16:02.049 INFO kablam!   --> src/tree.rs:97:25
Nov 02 07:16:02.049 INFO kablam!    |
Nov 02 07:16:02.050 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 02 07:16:02.050 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Nov 02 07:16:02.050 INFO kablam!    |
Nov 02 07:16:02.051 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 07:16:02.051 INFO kablam! 
Nov 02 07:16:02.065 INFO kablam! warning: variable does not need to be mutable
Nov 02 07:16:02.065 INFO kablam!    --> src/main.rs:138:9
Nov 02 07:16:02.065 INFO kablam!     |
Nov 02 07:16:02.066 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Nov 02 07:16:02.066 INFO kablam!     |         ----^^^^^^
Nov 02 07:16:02.066 INFO kablam!     |         |
Nov 02 07:16:02.067 INFO kablam!     |         help: remove this `mut`
Nov 02 07:16:02.067 INFO kablam!     |
Nov 02 07:16:02.067 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 07:16:02.067 INFO kablam! 
Nov 02 07:16:02.072 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 07:16:02.073 INFO kablam!    --> src/main.rs:141:5
Nov 02 07:16:02.073 INFO kablam!     |
Nov 02 07:16:02.073 INFO kablam! 141 |     surface.write_to_png(&mut f);
Nov 02 07:16:02.073 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:16:02.074 INFO kablam!     |
Nov 02 07:16:02.074 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 07:16:02.074 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 07:16:02.075 INFO kablam! 
Nov 02 07:16:02.080 INFO kablam! warning: unused variable: `ra`
Nov 02 07:16:02.081 INFO kablam!   --> src/tree.rs:97:25
Nov 02 07:16:02.081 INFO kablam!    |
Nov 02 07:16:02.081 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 02 07:16:02.081 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Nov 02 07:16:02.081 INFO kablam!    |
Nov 02 07:16:02.081 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 07:16:02.081 INFO kablam! 
Nov 02 07:16:02.096 INFO kablam! warning: variable does not need to be mutable
Nov 02 07:16:02.097 INFO kablam!    --> src/main.rs:138:9
Nov 02 07:16:02.097 INFO kablam!     |
Nov 02 07:16:02.097 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Nov 02 07:16:02.099 INFO kablam!     |         ----^^^^^^
Nov 02 07:16:02.099 INFO kablam!     |         |
Nov 02 07:16:02.099 INFO kablam!     |         help: remove this `mut`
Nov 02 07:16:02.099 INFO kablam!     |
Nov 02 07:16:02.099 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 07:16:02.099 INFO kablam! 
Nov 02 07:16:02.106 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 07:16:02.106 INFO kablam!    --> src/main.rs:141:5
Nov 02 07:16:02.106 INFO kablam!     |
Nov 02 07:16:02.106 INFO kablam! 141 |     surface.write_to_png(&mut f);
Nov 02 07:16:02.106 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 07:16:02.106 INFO kablam!     |
Nov 02 07:16:02.107 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 07:16:02.107 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 07:16:02.107 INFO kablam! 
Nov 02 07:16:02.124 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.57s
Nov 02 07:16:02.128 INFO kablam! su: No module specific data is present
Nov 02 07:16:02.641 INFO running `"docker" "rm" "-f" "f9f0f059b019ab6e356cae7c3e617ee3b471db960b7ae6d7af63d2c4d25286af"`
Nov 02 07:16:02.944 INFO blam! f9f0f059b019ab6e356cae7c3e617ee3b471db960b7ae6d7af63d2c4d25286af