Dec 04 10:52:30.680 INFO checking samfoo/trees against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 10:52:30.680 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 10:52:31.044 INFO [stdout] af7173869169a1658d5cdec22243aa5418c205301553bfdfc95206bea9983835
Dec 04 10:52:31.046 INFO running `"docker" "start" "-a" "af7173869169a1658d5cdec22243aa5418c205301553bfdfc95206bea9983835"`
Dec 04 10:52:32.595 INFO [stderr] usermod: no changes
Dec 04 10:52:32.695 INFO [stderr]    Compiling matrixmultiply v0.1.13
Dec 04 10:52:32.695 INFO [stderr]    Compiling ndarray v0.9.1
Dec 04 10:52:32.695 INFO [stderr]     Checking either v1.1.0
Dec 04 10:52:32.695 INFO [stderr]    Compiling cairo-rs v0.1.3
Dec 04 10:52:32.695 INFO [stderr]     Checking bitflags v0.5.0
Dec 04 10:52:32.695 INFO [stderr]    Compiling glib-sys v0.3.4
Dec 04 10:52:32.695 INFO [stderr]    Compiling gobject-sys v0.3.4
Dec 04 10:52:32.695 INFO [stderr]    Compiling cairo-sys-rs v0.3.4
Dec 04 10:52:33.717 INFO [stderr]     Checking num-complex v0.1.38
Dec 04 10:52:34.347 INFO [stderr]     Checking itertools v0.6.0
Dec 04 10:52:40.599 INFO [stderr]     Checking glib v0.1.3
Dec 04 10:52:46.617 INFO [stderr]     Checking ndarray-rand v0.5.0
Dec 04 10:52:47.064 INFO [stderr]     Checking trees v0.1.0 (/source)
Dec 04 10:52:47.847 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 10:52:47.847 INFO [stderr]   --> src/main.rs:10:5
Dec 04 10:52:47.848 INFO [stderr]    |
Dec 04 10:52:47.848 INFO [stderr] 10 | use std::io::prelude::*;
Dec 04 10:52:47.848 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 10:52:47.849 INFO [stderr]    |
Dec 04 10:52:47.849 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 10:52:47.849 INFO [stderr] 
Dec 04 10:52:47.987 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 10:52:47.987 INFO [stderr]   --> src/main.rs:10:5
Dec 04 10:52:47.988 INFO [stderr]    |
Dec 04 10:52:47.988 INFO [stderr] 10 | use std::io::prelude::*;
Dec 04 10:52:47.988 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 10:52:47.989 INFO [stderr]    |
Dec 04 10:52:47.989 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 10:52:47.989 INFO [stderr] 
Dec 04 10:52:48.061 INFO [stderr] warning: unused variable: `ra`
Dec 04 10:52:48.061 INFO [stderr]   --> src/tree.rs:97:25
Dec 04 10:52:48.062 INFO [stderr]    |
Dec 04 10:52:48.062 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Dec 04 10:52:48.062 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Dec 04 10:52:48.063 INFO [stderr]    |
Dec 04 10:52:48.063 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 10:52:48.063 INFO [stderr] 
Dec 04 10:52:48.095 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:52:48.095 INFO [stderr]    --> src/main.rs:138:9
Dec 04 10:52:48.096 INFO [stderr]     |
Dec 04 10:52:48.096 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Dec 04 10:52:48.096 INFO [stderr]     |         ----^^^^^^
Dec 04 10:52:48.097 INFO [stderr]     |         |
Dec 04 10:52:48.097 INFO [stderr]     |         help: remove this `mut`
Dec 04 10:52:48.097 INFO [stderr]     |
Dec 04 10:52:48.098 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 10:52:48.098 INFO [stderr] 
Dec 04 10:52:48.105 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:52:48.106 INFO [stderr]    --> src/main.rs:141:5
Dec 04 10:52:48.106 INFO [stderr]     |
Dec 04 10:52:48.106 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Dec 04 10:52:48.107 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:52:48.107 INFO [stderr]     |
Dec 04 10:52:48.107 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 10:52:48.108 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:52:48.108 INFO [stderr] 
Dec 04 10:52:48.175 INFO [stderr] warning: unused variable: `ra`
Dec 04 10:52:48.175 INFO [stderr]   --> src/tree.rs:97:25
Dec 04 10:52:48.176 INFO [stderr]    |
Dec 04 10:52:48.176 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Dec 04 10:52:48.176 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Dec 04 10:52:48.176 INFO [stderr]    |
Dec 04 10:52:48.177 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 10:52:48.177 INFO [stderr] 
Dec 04 10:52:48.193 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:52:48.194 INFO [stderr]    --> src/main.rs:138:9
Dec 04 10:52:48.194 INFO [stderr]     |
Dec 04 10:52:48.194 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Dec 04 10:52:48.194 INFO [stderr]     |         ----^^^^^^
Dec 04 10:52:48.195 INFO [stderr]     |         |
Dec 04 10:52:48.195 INFO [stderr]     |         help: remove this `mut`
Dec 04 10:52:48.195 INFO [stderr]     |
Dec 04 10:52:48.196 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 10:52:48.196 INFO [stderr] 
Dec 04 10:52:48.207 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:52:48.207 INFO [stderr]    --> src/main.rs:141:5
Dec 04 10:52:48.208 INFO [stderr]     |
Dec 04 10:52:48.208 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Dec 04 10:52:48.208 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:52:48.208 INFO [stderr]     |
Dec 04 10:52:48.209 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 10:52:48.209 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:52:48.209 INFO [stderr] 
Dec 04 10:52:48.240 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.62s
Dec 04 10:52:48.245 INFO [stderr] su: No module specific data is present
Dec 04 10:52:49.311 INFO running `"docker" "inspect" "af7173869169a1658d5cdec22243aa5418c205301553bfdfc95206bea9983835"`
Dec 04 10:52:49.697 INFO running `"docker" "rm" "-f" "af7173869169a1658d5cdec22243aa5418c205301553bfdfc95206bea9983835"`
Dec 04 10:52:50.092 INFO [stdout] af7173869169a1658d5cdec22243aa5418c205301553bfdfc95206bea9983835