Nov 09 05:52:37.143 INFO checking samfoo/trees against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 05:52:37.143 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-5/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 05:52:37.688 INFO blam! 4564c3510a65440e8c6902509bf150d0d050203f5b6f5736bbe5fcac47f0a3cb
Nov 09 05:52:37.691 INFO running `"docker" "start" "-a" "4564c3510a65440e8c6902509bf150d0d050203f5b6f5736bbe5fcac47f0a3cb"`
Nov 09 05:52:39.602 INFO kablam! usermod: no changes
Nov 09 05:52:39.703 INFO kablam!    Compiling matrixmultiply v0.1.13
Nov 09 05:52:39.703 INFO kablam!     Checking either v1.1.0
Nov 09 05:52:39.703 INFO kablam!    Compiling cairo-rs v0.1.3
Nov 09 05:52:39.703 INFO kablam!    Compiling cairo-sys-rs v0.3.4
Nov 09 05:52:39.703 INFO kablam!     Checking num-complex v0.1.38
Nov 09 05:52:40.731 INFO kablam!     Checking itertools v0.6.0
Nov 09 05:52:44.563 INFO kablam!     Checking ndarray v0.9.1
Nov 09 05:52:51.716 INFO kablam!     Checking ndarray-rand v0.5.0
Nov 09 05:52:52.223 INFO kablam!     Checking trees v0.1.0 (/source)
Nov 09 05:52:52.751 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 09 05:52:52.751 INFO kablam!   --> src/main.rs:10:5
Nov 09 05:52:52.751 INFO kablam!    |
Nov 09 05:52:52.751 INFO kablam! 10 | use std::io::prelude::*;
Nov 09 05:52:52.751 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Nov 09 05:52:52.751 INFO kablam!    |
Nov 09 05:52:52.751 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 09 05:52:52.751 INFO kablam! 
Nov 09 05:52:52.879 INFO kablam! warning: unused import: `std::io::prelude::*`
Nov 09 05:52:52.879 INFO kablam!   --> src/main.rs:10:5
Nov 09 05:52:52.879 INFO kablam!    |
Nov 09 05:52:52.879 INFO kablam! 10 | use std::io::prelude::*;
Nov 09 05:52:52.881 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Nov 09 05:52:52.881 INFO kablam!    |
Nov 09 05:52:52.881 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 09 05:52:52.881 INFO kablam! 
Nov 09 05:52:52.979 INFO kablam! warning: unused variable: `ra`
Nov 09 05:52:52.979 INFO kablam!   --> src/tree.rs:97:25
Nov 09 05:52:52.979 INFO kablam!    |
Nov 09 05:52:52.979 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 09 05:52:52.979 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Nov 09 05:52:52.979 INFO kablam!    |
Nov 09 05:52:52.979 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 05:52:52.979 INFO kablam! 
Nov 09 05:52:53.000 INFO kablam! warning: variable does not need to be mutable
Nov 09 05:52:53.000 INFO kablam!    --> src/main.rs:138:9
Nov 09 05:52:53.000 INFO kablam!     |
Nov 09 05:52:53.000 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Nov 09 05:52:53.000 INFO kablam!     |         ----^^^^^^
Nov 09 05:52:53.000 INFO kablam!     |         |
Nov 09 05:52:53.000 INFO kablam!     |         help: remove this `mut`
Nov 09 05:52:53.011 INFO kablam!     |
Nov 09 05:52:53.012 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 09 05:52:53.012 INFO kablam! 
Nov 09 05:52:53.035 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 05:52:53.036 INFO kablam!    --> src/main.rs:141:5
Nov 09 05:52:53.036 INFO kablam!     |
Nov 09 05:52:53.036 INFO kablam! 141 |     surface.write_to_png(&mut f);
Nov 09 05:52:53.037 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:52:53.037 INFO kablam!     |
Nov 09 05:52:53.037 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 05:52:53.037 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 05:52:53.038 INFO kablam! 
Nov 09 05:52:53.151 INFO kablam! warning: unused variable: `ra`
Nov 09 05:52:53.152 INFO kablam!   --> src/tree.rs:97:25
Nov 09 05:52:53.152 INFO kablam!    |
Nov 09 05:52:53.152 INFO kablam! 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 09 05:52:53.152 INFO kablam!    |                         ^^ help: consider using `_ra` instead
Nov 09 05:52:53.153 INFO kablam!    |
Nov 09 05:52:53.153 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 05:52:53.153 INFO kablam! 
Nov 09 05:52:53.175 INFO kablam! warning: variable does not need to be mutable
Nov 09 05:52:53.176 INFO kablam!    --> src/main.rs:138:9
Nov 09 05:52:53.191 INFO kablam!     |
Nov 09 05:52:53.191 INFO kablam! 138 |     let mut output = File::create(output()).unwrap();
Nov 09 05:52:53.192 INFO kablam!     |         ----^^^^^^
Nov 09 05:52:53.192 INFO kablam!     |         |
Nov 09 05:52:53.192 INFO kablam!     |         help: remove this `mut`
Nov 09 05:52:53.193 INFO kablam!     |
Nov 09 05:52:53.193 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 09 05:52:53.193 INFO kablam! 
Nov 09 05:52:53.194 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 05:52:53.194 INFO kablam!    --> src/main.rs:141:5
Nov 09 05:52:53.194 INFO kablam!     |
Nov 09 05:52:53.195 INFO kablam! 141 |     surface.write_to_png(&mut f);
Nov 09 05:52:53.195 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:52:53.195 INFO kablam!     |
Nov 09 05:52:53.195 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 05:52:53.196 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 05:52:53.196 INFO kablam! 
Nov 09 05:52:53.226 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.60s
Nov 09 05:52:53.235 INFO kablam! su: No module specific data is present
Nov 09 05:52:54.448 INFO running `"docker" "rm" "-f" "4564c3510a65440e8c6902509bf150d0d050203f5b6f5736bbe5fcac47f0a3cb"`
Nov 09 05:52:54.803 INFO blam! 4564c3510a65440e8c6902509bf150d0d050203f5b6f5736bbe5fcac47f0a3cb