Oct 12 14:22:44.896 INFO checking samfoo/trees against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 14:22:44.896 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 14:22:45.296 INFO blam! e392c467c4af01e2e69b9760aa792e8f51bc4b77f27957278230b09beee70bf7
Oct 12 14:22:45.298 INFO running `"docker" "start" "-a" "e392c467c4af01e2e69b9760aa792e8f51bc4b77f27957278230b09beee70bf7"`
Oct 12 14:22:46.718 INFO kablam! usermod: no changes
Oct 12 14:22:46.840 INFO kablam!    Compiling matrixmultiply v0.1.13
Oct 12 14:22:46.840 INFO kablam!     Checking either v1.1.0
Oct 12 14:22:46.840 INFO kablam!     Checking num-traits v0.1.39
Oct 12 14:22:46.841 INFO kablam!    Compiling cairo-rs v0.1.3
Oct 12 14:22:46.841 INFO kablam!    Compiling glib-sys v0.3.4
Oct 12 14:22:46.868 INFO kablam!    Compiling gobject-sys v0.3.4
Oct 12 14:22:46.868 INFO kablam!    Compiling cairo-sys-rs v0.3.4
Oct 12 14:22:48.501 INFO kablam!     Checking itertools v0.6.0
Oct 12 14:22:51.922 INFO kablam!     Checking num-complex v0.1.38
Oct 12 14:22:54.430 INFO kablam!     Checking ndarray v0.9.1
Oct 12 14:22:57.469 INFO kablam!     Checking glib v0.1.3
Oct 12 14:23:04.504 INFO kablam!     Checking ndarray-rand v0.5.0
Oct 12 14:23:04.916 INFO kablam!     Checking trees v0.1.0 (/source)
Oct 12 14:23:05.452 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 12 14:23:05.452 INFO kablam!   --> src/main.rs:10:5
Oct 12 14:23:05.452 INFO kablam!    |
Oct 12 14:23:05.452 INFO kablam! 10 | use std::io::prelude::*;
Oct 12 14:23:05.452 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 14:23:05.452 INFO kablam!    |
Oct 12 14:23:05.452 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 14:23:05.452 INFO kablam! 
Oct 12 14:23:05.561 INFO kablam! warning: unused variable: `ra`
Oct 12 14:23:05.562 INFO kablam!   --> src/tree.rs:97:25
Oct 12 14:23:05.562 INFO kablam!    |
Oct 12 14:23:05.562 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Oct 12 14:23:05.563 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Oct 12 14:23:05.563 INFO kablam!    |
Oct 12 14:23:05.563 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 14:23:05.564 INFO kablam! 
Oct 12 14:23:05.571 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:23:05.572 INFO kablam!    --> src/main.rs:138:9
Oct 12 14:23:05.572 INFO kablam!     |
Oct 12 14:23:05.572 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Oct 12 14:23:05.572 INFO kablam!     |         ----^^^^^^
Oct 12 14:23:05.573 INFO kablam!     |         |
Oct 12 14:23:05.573 INFO kablam!     |         help: remove this `mut`
Oct 12 14:23:05.573 INFO kablam!     |
Oct 12 14:23:05.573 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 14:23:05.574 INFO kablam! 
Oct 12 14:23:05.580 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 14:23:05.581 INFO kablam!    --> src/main.rs:141:5
Oct 12 14:23:05.581 INFO kablam!     |
Oct 12 14:23:05.581 INFO kablam! 141 |     surface.write_to_png(&mut f);
Oct 12 14:23:05.581 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:23:05.582 INFO kablam!     |
Oct 12 14:23:05.582 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 14:23:05.582 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 14:23:05.582 INFO kablam! 
Oct 12 14:23:05.645 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 12 14:23:05.645 INFO kablam!   --> src/main.rs:10:5
Oct 12 14:23:05.645 INFO kablam!    |
Oct 12 14:23:05.645 INFO kablam! 10 | use std::io::prelude::*;
Oct 12 14:23:05.645 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 14:23:05.645 INFO kablam!    |
Oct 12 14:23:05.645 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 14:23:05.645 INFO kablam! 
Oct 12 14:23:05.828 INFO kablam! warning: unused variable: `ra`
Oct 12 14:23:05.828 INFO kablam!   --> src/tree.rs:97:25
Oct 12 14:23:05.828 INFO kablam!    |
Oct 12 14:23:05.828 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Oct 12 14:23:05.828 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Oct 12 14:23:05.828 INFO kablam!    |
Oct 12 14:23:05.828 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 14:23:05.828 INFO kablam! 
Oct 12 14:23:05.836 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:23:05.836 INFO kablam!    --> src/main.rs:138:9
Oct 12 14:23:05.836 INFO kablam!     |
Oct 12 14:23:05.836 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Oct 12 14:23:05.836 INFO kablam!     |         ----^^^^^^
Oct 12 14:23:05.836 INFO kablam!     |         |
Oct 12 14:23:05.836 INFO kablam!     |         help: remove this `mut`
Oct 12 14:23:05.836 INFO kablam!     |
Oct 12 14:23:05.836 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 14:23:05.836 INFO kablam! 
Oct 12 14:23:05.838 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 14:23:05.839 INFO kablam!    --> src/main.rs:141:5
Oct 12 14:23:05.839 INFO kablam!     |
Oct 12 14:23:05.839 INFO kablam! 141 |     surface.write_to_png(&mut f);
Oct 12 14:23:05.839 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:23:05.839 INFO kablam!     |
Oct 12 14:23:05.839 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 14:23:05.839 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 14:23:05.839 INFO kablam! 
Oct 12 14:23:05.892 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.13s
Oct 12 14:23:05.933 INFO kablam! su: No module specific data is present
Oct 12 14:23:06.634 INFO running `"docker" "rm" "-f" "e392c467c4af01e2e69b9760aa792e8f51bc4b77f27957278230b09beee70bf7"`
Oct 12 14:23:06.937 INFO blam! e392c467c4af01e2e69b9760aa792e8f51bc4b77f27957278230b09beee70bf7