Nov 27 21:10:29.606 INFO checking samfoo/trees against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 21:10:29.607 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 27 21:10:30.068 INFO [stdout] ce92e8b501cef15c8b9a638733b4c504f2d512ab8628d8989069f177d9a0a458
Nov 27 21:10:30.070 INFO running `"docker" "start" "-a" "ce92e8b501cef15c8b9a638733b4c504f2d512ab8628d8989069f177d9a0a458"`
Nov 27 21:10:31.520 INFO [stderr] usermod: no changes
Nov 27 21:10:31.676 INFO [stderr]    Compiling cairo-rs v0.1.3
Nov 27 21:10:31.676 INFO [stderr]    Compiling glib-sys v0.3.4
Nov 27 21:10:31.676 INFO [stderr]    Compiling gobject-sys v0.3.4
Nov 27 21:10:31.676 INFO [stderr]    Compiling cairo-sys-rs v0.3.4
Nov 27 21:10:31.699 INFO [stderr]     Checking itertools v0.6.0
Nov 27 21:10:31.699 INFO [stderr]     Checking num-complex v0.1.38
Nov 27 21:10:36.881 INFO [stderr]     Checking ndarray v0.9.1
Nov 27 21:10:39.754 INFO [stderr]     Checking glib v0.1.3
Nov 27 21:10:45.924 INFO [stderr]     Checking ndarray-rand v0.5.0
Nov 27 21:10:46.381 INFO [stderr]     Checking trees v0.1.0 (/source)
Nov 27 21:10:46.961 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 27 21:10:46.962 INFO [stderr]   --> src/main.rs:10:5
Nov 27 21:10:46.962 INFO [stderr]    |
Nov 27 21:10:46.962 INFO [stderr] 10 | use std::io::prelude::*;
Nov 27 21:10:46.962 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 27 21:10:46.962 INFO [stderr]    |
Nov 27 21:10:46.962 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 27 21:10:46.962 INFO [stderr] 
Nov 27 21:10:47.101 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 27 21:10:47.101 INFO [stderr]   --> src/main.rs:10:5
Nov 27 21:10:47.101 INFO [stderr]    |
Nov 27 21:10:47.101 INFO [stderr] 10 | use std::io::prelude::*;
Nov 27 21:10:47.101 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 27 21:10:47.101 INFO [stderr]    |
Nov 27 21:10:47.101 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 27 21:10:47.101 INFO [stderr] 
Nov 27 21:10:47.180 INFO [stderr] warning: unused variable: `ra`
Nov 27 21:10:47.180 INFO [stderr]   --> src/tree.rs:97:25
Nov 27 21:10:47.180 INFO [stderr]    |
Nov 27 21:10:47.180 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 27 21:10:47.180 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Nov 27 21:10:47.180 INFO [stderr]    |
Nov 27 21:10:47.188 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 21:10:47.188 INFO [stderr] 
Nov 27 21:10:47.224 INFO [stderr] warning: variable does not need to be mutable
Nov 27 21:10:47.224 INFO [stderr]    --> src/main.rs:138:9
Nov 27 21:10:47.224 INFO [stderr]     |
Nov 27 21:10:47.225 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Nov 27 21:10:47.225 INFO [stderr]     |         ----^^^^^^
Nov 27 21:10:47.225 INFO [stderr]     |         |
Nov 27 21:10:47.225 INFO [stderr]     |         help: remove this `mut`
Nov 27 21:10:47.226 INFO [stderr]     |
Nov 27 21:10:47.226 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 21:10:47.226 INFO [stderr] 
Nov 27 21:10:47.234 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 21:10:47.235 INFO [stderr]    --> src/main.rs:141:5
Nov 27 21:10:47.235 INFO [stderr]     |
Nov 27 21:10:47.235 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Nov 27 21:10:47.235 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:10:47.235 INFO [stderr]     |
Nov 27 21:10:47.236 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 21:10:47.236 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 21:10:47.236 INFO [stderr] 
Nov 27 21:10:47.328 INFO [stderr] warning: unused variable: `ra`
Nov 27 21:10:47.329 INFO [stderr]   --> src/tree.rs:97:25
Nov 27 21:10:47.329 INFO [stderr]    |
Nov 27 21:10:47.329 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 27 21:10:47.330 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Nov 27 21:10:47.330 INFO [stderr]    |
Nov 27 21:10:47.330 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 21:10:47.331 INFO [stderr] 
Nov 27 21:10:47.357 INFO [stderr] warning: variable does not need to be mutable
Nov 27 21:10:47.357 INFO [stderr]    --> src/main.rs:138:9
Nov 27 21:10:47.358 INFO [stderr]     |
Nov 27 21:10:47.358 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Nov 27 21:10:47.358 INFO [stderr]     |         ----^^^^^^
Nov 27 21:10:47.359 INFO [stderr]     |         |
Nov 27 21:10:47.359 INFO [stderr]     |         help: remove this `mut`
Nov 27 21:10:47.359 INFO [stderr]     |
Nov 27 21:10:47.359 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 21:10:47.360 INFO [stderr] 
Nov 27 21:10:47.363 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 21:10:47.364 INFO [stderr]    --> src/main.rs:141:5
Nov 27 21:10:47.364 INFO [stderr]     |
Nov 27 21:10:47.364 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Nov 27 21:10:47.365 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:10:47.365 INFO [stderr]     |
Nov 27 21:10:47.365 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 21:10:47.365 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 21:10:47.366 INFO [stderr] 
Nov 27 21:10:47.400 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.85s
Nov 27 21:10:47.421 INFO [stderr] su: No module specific data is present
Nov 27 21:10:48.833 INFO running `"docker" "inspect" "ce92e8b501cef15c8b9a638733b4c504f2d512ab8628d8989069f177d9a0a458"`
Nov 27 21:10:49.146 INFO running `"docker" "rm" "-f" "ce92e8b501cef15c8b9a638733b4c504f2d512ab8628d8989069f177d9a0a458"`
Nov 27 21:10:49.472 INFO [stdout] ce92e8b501cef15c8b9a638733b4c504f2d512ab8628d8989069f177d9a0a458