Nov 27 21:10:31.503 INFO checking samfoo/trees against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 21:10:31.503 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 21:10:31.971 INFO [stdout] 9678f94b77977708db2bb6ff9c86317964c15eff41629ef524442efe366cd657
Nov 27 21:10:31.973 INFO running `"docker" "start" "-a" "9678f94b77977708db2bb6ff9c86317964c15eff41629ef524442efe366cd657"`
Nov 27 21:10:33.697 INFO [stderr] usermod: no changes
Nov 27 21:10:33.872 INFO [stderr]    Compiling ndarray v0.9.1
Nov 27 21:10:33.872 INFO [stderr]    Compiling cairo-rs v0.1.3
Nov 27 21:10:33.872 INFO [stderr]    Compiling glib-sys v0.3.4
Nov 27 21:10:33.872 INFO [stderr]    Compiling gobject-sys v0.3.4
Nov 27 21:10:33.872 INFO [stderr]    Compiling cairo-sys-rs v0.3.4
Nov 27 21:10:33.872 INFO [stderr]     Checking itertools v0.6.0
Nov 27 21:10:33.872 INFO [stderr]     Checking num-complex v0.1.38
Nov 27 21:10:42.092 INFO [stderr]     Checking glib v0.1.3
Nov 27 21:10:48.864 INFO [stderr]     Checking ndarray-rand v0.5.0
Nov 27 21:10:49.352 INFO [stderr]     Checking trees v0.1.0 (/source)
Nov 27 21:10:50.001 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 27 21:10:50.001 INFO [stderr]   --> src/main.rs:10:5
Nov 27 21:10:50.001 INFO [stderr]    |
Nov 27 21:10:50.001 INFO [stderr] 10 | use std::io::prelude::*;
Nov 27 21:10:50.001 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 27 21:10:50.001 INFO [stderr]    |
Nov 27 21:10:50.001 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 27 21:10:50.001 INFO [stderr] 
Nov 27 21:10:50.084 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 27 21:10:50.084 INFO [stderr]   --> src/main.rs:10:5
Nov 27 21:10:50.084 INFO [stderr]    |
Nov 27 21:10:50.085 INFO [stderr] 10 | use std::io::prelude::*;
Nov 27 21:10:50.085 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 27 21:10:50.085 INFO [stderr]    |
Nov 27 21:10:50.085 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 27 21:10:50.085 INFO [stderr] 
Nov 27 21:10:50.085 INFO [stderr] warning: unused variable: `ra`
Nov 27 21:10:50.085 INFO [stderr]   --> src/tree.rs:97:25
Nov 27 21:10:50.085 INFO [stderr]    |
Nov 27 21:10:50.085 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 27 21:10:50.085 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Nov 27 21:10:50.085 INFO [stderr]    |
Nov 27 21:10:50.085 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 21:10:50.085 INFO [stderr] 
Nov 27 21:10:50.100 INFO [stderr] warning: variable does not need to be mutable
Nov 27 21:10:50.100 INFO [stderr]    --> src/main.rs:138:9
Nov 27 21:10:50.100 INFO [stderr]     |
Nov 27 21:10:50.100 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Nov 27 21:10:50.100 INFO [stderr]     |         ----^^^^^^
Nov 27 21:10:50.100 INFO [stderr]     |         |
Nov 27 21:10:50.100 INFO [stderr]     |         help: remove this `mut`
Nov 27 21:10:50.100 INFO [stderr]     |
Nov 27 21:10:50.100 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 21:10:50.100 INFO [stderr] 
Nov 27 21:10:50.106 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 21:10:50.106 INFO [stderr]    --> src/main.rs:141:5
Nov 27 21:10:50.106 INFO [stderr]     |
Nov 27 21:10:50.106 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Nov 27 21:10:50.106 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:10:50.106 INFO [stderr]     |
Nov 27 21:10:50.107 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 21:10:50.107 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 21:10:50.107 INFO [stderr] 
Nov 27 21:10:50.200 INFO [stderr] warning: unused variable: `ra`
Nov 27 21:10:50.200 INFO [stderr]   --> src/tree.rs:97:25
Nov 27 21:10:50.200 INFO [stderr]    |
Nov 27 21:10:50.200 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 27 21:10:50.200 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Nov 27 21:10:50.200 INFO [stderr]    |
Nov 27 21:10:50.200 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 21:10:50.200 INFO [stderr] 
Nov 27 21:10:50.240 INFO [stderr] warning: variable does not need to be mutable
Nov 27 21:10:50.240 INFO [stderr]    --> src/main.rs:138:9
Nov 27 21:10:50.240 INFO [stderr]     |
Nov 27 21:10:50.240 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Nov 27 21:10:50.240 INFO [stderr]     |         ----^^^^^^
Nov 27 21:10:50.240 INFO [stderr]     |         |
Nov 27 21:10:50.240 INFO [stderr]     |         help: remove this `mut`
Nov 27 21:10:50.240 INFO [stderr]     |
Nov 27 21:10:50.240 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 27 21:10:50.240 INFO [stderr] 
Nov 27 21:10:50.247 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 21:10:50.247 INFO [stderr]    --> src/main.rs:141:5
Nov 27 21:10:50.247 INFO [stderr]     |
Nov 27 21:10:50.247 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Nov 27 21:10:50.247 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 21:10:50.247 INFO [stderr]     |
Nov 27 21:10:50.247 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 21:10:50.247 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 21:10:50.247 INFO [stderr] 
Nov 27 21:10:50.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.56s
Nov 27 21:10:50.288 INFO [stderr] su: No module specific data is present
Nov 27 21:10:50.994 INFO running `"docker" "inspect" "9678f94b77977708db2bb6ff9c86317964c15eff41629ef524442efe366cd657"`
Nov 27 21:10:51.275 INFO running `"docker" "rm" "-f" "9678f94b77977708db2bb6ff9c86317964c15eff41629ef524442efe366cd657"`
Nov 27 21:10:51.616 INFO [stdout] 9678f94b77977708db2bb6ff9c86317964c15eff41629ef524442efe366cd657