Oct 31 21:48:33.506 INFO checking samfoo/trees against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 21:48:33.506 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 31 21:48:33.944 INFO blam! 20b1fd95dc2db12d22d9c5cdee0bbb6e53ee28834420bc8da49c6dafb61d2f36
Oct 31 21:48:33.946 INFO running `"docker" "start" "-a" "20b1fd95dc2db12d22d9c5cdee0bbb6e53ee28834420bc8da49c6dafb61d2f36"`
Oct 31 21:48:35.220 INFO kablam! usermod: no changes
Oct 31 21:48:35.324 INFO kablam!    Compiling matrixmultiply v0.1.13
Oct 31 21:48:35.324 INFO kablam!    Compiling ndarray v0.9.1
Oct 31 21:48:35.324 INFO kablam!     Checking either v1.1.0
Oct 31 21:48:35.329 INFO kablam!    Compiling cairo-rs v0.1.3
Oct 31 21:48:35.344 INFO kablam!    Compiling cairo-sys-rs v0.3.4
Oct 31 21:48:35.344 INFO kablam!     Checking num-complex v0.1.38
Oct 31 21:48:35.344 INFO kablam!     Checking glib-sys v0.3.4
Oct 31 21:48:36.452 INFO kablam!     Checking itertools v0.6.0
Oct 31 21:48:42.155 INFO kablam!     Checking gobject-sys v0.3.4
Oct 31 21:48:43.605 INFO kablam!     Checking glib v0.1.3
Oct 31 21:48:50.958 INFO kablam!     Checking ndarray-rand v0.5.0
Oct 31 21:48:51.380 INFO kablam!     Checking trees v0.1.0 (/source)
Oct 31 21:48:51.964 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 31 21:48:51.964 INFO kablam!   --> src/main.rs:10:5
Oct 31 21:48:51.964 INFO kablam!    |
Oct 31 21:48:51.964 INFO kablam! 10 | use std::io::prelude::*;
Oct 31 21:48:51.964 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 31 21:48:51.964 INFO kablam!    |
Oct 31 21:48:51.964 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 31 21:48:51.964 INFO kablam! 
Oct 31 21:48:51.964 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 31 21:48:51.964 INFO kablam!   --> src/main.rs:10:5
Oct 31 21:48:51.964 INFO kablam!    |
Oct 31 21:48:51.964 INFO kablam! 10 | use std::io::prelude::*;
Oct 31 21:48:51.964 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 31 21:48:51.964 INFO kablam!    |
Oct 31 21:48:51.964 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 31 21:48:51.964 INFO kablam! 
Oct 31 21:48:52.089 INFO kablam! warning: unused variable: `ra`
Oct 31 21:48:52.089 INFO kablam!   --> src/tree.rs:97:25
Oct 31 21:48:52.089 INFO kablam!    |
Oct 31 21:48:52.089 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Oct 31 21:48:52.089 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Oct 31 21:48:52.089 INFO kablam!    |
Oct 31 21:48:52.089 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:48:52.089 INFO kablam! 
Oct 31 21:48:52.104 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:48:52.104 INFO kablam!    --> src/main.rs:138:9
Oct 31 21:48:52.104 INFO kablam!     |
Oct 31 21:48:52.104 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Oct 31 21:48:52.104 INFO kablam!     |         ----^^^^^^
Oct 31 21:48:52.104 INFO kablam!     |         |
Oct 31 21:48:52.104 INFO kablam!     |         help: remove this `mut`
Oct 31 21:48:52.104 INFO kablam!     |
Oct 31 21:48:52.104 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 31 21:48:52.104 INFO kablam! 
Oct 31 21:48:52.115 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 21:48:52.115 INFO kablam!    --> src/main.rs:141:5
Oct 31 21:48:52.115 INFO kablam!     |
Oct 31 21:48:52.115 INFO kablam! 141 |     surface.write_to_png(&mut f);
Oct 31 21:48:52.115 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:48:52.116 INFO kablam!     |
Oct 31 21:48:52.116 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 21:48:52.116 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 21:48:52.116 INFO kablam! 
Oct 31 21:48:52.168 INFO kablam! warning: unused variable: `ra`
Oct 31 21:48:52.168 INFO kablam!   --> src/tree.rs:97:25
Oct 31 21:48:52.168 INFO kablam!    |
Oct 31 21:48:52.168 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Oct 31 21:48:52.168 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Oct 31 21:48:52.168 INFO kablam!    |
Oct 31 21:48:52.168 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:48:52.168 INFO kablam! 
Oct 31 21:48:52.184 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:48:52.184 INFO kablam!    --> src/main.rs:138:9
Oct 31 21:48:52.184 INFO kablam!     |
Oct 31 21:48:52.184 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Oct 31 21:48:52.184 INFO kablam!     |         ----^^^^^^
Oct 31 21:48:52.184 INFO kablam!     |         |
Oct 31 21:48:52.184 INFO kablam!     |         help: remove this `mut`
Oct 31 21:48:52.184 INFO kablam!     |
Oct 31 21:48:52.184 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 31 21:48:52.184 INFO kablam! 
Oct 31 21:48:52.203 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 21:48:52.203 INFO kablam!    --> src/main.rs:141:5
Oct 31 21:48:52.203 INFO kablam!     |
Oct 31 21:48:52.203 INFO kablam! 141 |     surface.write_to_png(&mut f);
Oct 31 21:48:52.203 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:48:52.204 INFO kablam!     |
Oct 31 21:48:52.205 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 21:48:52.205 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 21:48:52.205 INFO kablam! 
Oct 31 21:48:52.252 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.01s
Oct 31 21:48:52.284 INFO kablam! su: No module specific data is present
Oct 31 21:48:53.146 INFO running `"docker" "rm" "-f" "20b1fd95dc2db12d22d9c5cdee0bbb6e53ee28834420bc8da49c6dafb61d2f36"`
Oct 31 21:48:53.420 INFO blam! 20b1fd95dc2db12d22d9c5cdee0bbb6e53ee28834420bc8da49c6dafb61d2f36