Dec 05 08:43:20.585 INFO testing samfoo/trees against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 08:43:20.585 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 05 08:43:21.004 INFO [stdout] d12984bb24d11b2f36da9edf99f386ba123a9985bc69c5ecf2716cad73446101
Dec 05 08:43:21.006 INFO running `"docker" "start" "-a" "d12984bb24d11b2f36da9edf99f386ba123a9985bc69c5ecf2716cad73446101"`
Dec 05 08:43:22.036 INFO [stderr] usermod: no changes
Dec 05 08:43:22.124 INFO [stderr]    Compiling ndarray v0.9.1
Dec 05 08:43:22.124 INFO [stderr]    Compiling cairo-rs v0.1.3
Dec 05 08:43:22.124 INFO [stderr]    Compiling glib-sys v0.3.4
Dec 05 08:43:22.124 INFO [stderr]    Compiling gobject-sys v0.3.4
Dec 05 08:43:22.128 INFO [stderr]    Compiling cairo-sys-rs v0.3.4
Dec 05 08:43:22.140 INFO [stderr]    Compiling num-complex v0.1.38
Dec 05 08:43:22.140 INFO [stderr]    Compiling itertools v0.6.0
Dec 05 08:43:30.666 INFO [stderr]    Compiling glib v0.1.3
Dec 05 08:43:36.784 INFO [stderr]    Compiling ndarray-rand v0.5.0
Dec 05 08:43:37.343 INFO [stderr]    Compiling trees v0.1.0 (/source)
Dec 05 08:43:37.809 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 05 08:43:37.809 INFO [stderr]   --> src/main.rs:10:5
Dec 05 08:43:37.809 INFO [stderr]    |
Dec 05 08:43:37.810 INFO [stderr] 10 | use std::io::prelude::*;
Dec 05 08:43:37.810 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 05 08:43:37.810 INFO [stderr]    |
Dec 05 08:43:37.810 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 08:43:37.810 INFO [stderr] 
Dec 05 08:43:37.899 INFO [stderr] warning: unused variable: `ra`
Dec 05 08:43:37.899 INFO [stderr]   --> src/tree.rs:97:25
Dec 05 08:43:37.899 INFO [stderr]    |
Dec 05 08:43:37.899 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Dec 05 08:43:37.899 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Dec 05 08:43:37.899 INFO [stderr]    |
Dec 05 08:43:37.899 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 08:43:37.899 INFO [stderr] 
Dec 05 08:43:37.911 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:43:37.911 INFO [stderr]    --> src/main.rs:138:9
Dec 05 08:43:37.911 INFO [stderr]     |
Dec 05 08:43:37.911 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Dec 05 08:43:37.911 INFO [stderr]     |         ----^^^^^^
Dec 05 08:43:37.911 INFO [stderr]     |         |
Dec 05 08:43:37.911 INFO [stderr]     |         help: remove this `mut`
Dec 05 08:43:37.911 INFO [stderr]     |
Dec 05 08:43:37.912 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 08:43:37.912 INFO [stderr] 
Dec 05 08:43:37.917 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 08:43:37.917 INFO [stderr]    --> src/main.rs:141:5
Dec 05 08:43:37.917 INFO [stderr]     |
Dec 05 08:43:37.917 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Dec 05 08:43:37.917 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:43:37.917 INFO [stderr]     |
Dec 05 08:43:37.918 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 08:43:37.918 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 08:43:37.918 INFO [stderr] 
Dec 05 08:43:39.165 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.10s
Dec 05 08:43:39.172 INFO [stderr] su: No module specific data is present
Dec 05 08:43:39.846 INFO running `"docker" "inspect" "d12984bb24d11b2f36da9edf99f386ba123a9985bc69c5ecf2716cad73446101"`
Dec 05 08:43:40.150 INFO running `"docker" "rm" "-f" "d12984bb24d11b2f36da9edf99f386ba123a9985bc69c5ecf2716cad73446101"`
Dec 05 08:43:40.380 INFO [stdout] d12984bb24d11b2f36da9edf99f386ba123a9985bc69c5ecf2716cad73446101
Dec 05 08:43:40.400 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 05 08:43:40.906 INFO [stdout] e2119d22183a2fc7359eed720d5bedb71272e457f703b1aecf8e0694df4b0cd0
Dec 05 08:43:40.912 INFO running `"docker" "start" "-a" "e2119d22183a2fc7359eed720d5bedb71272e457f703b1aecf8e0694df4b0cd0"`
Dec 05 08:43:41.932 INFO [stderr] usermod: no changes
Dec 05 08:43:42.022 INFO [stderr]    Compiling trees v0.1.0 (/source)
Dec 05 08:43:42.404 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 05 08:43:42.404 INFO [stderr]   --> src/main.rs:10:5
Dec 05 08:43:42.404 INFO [stderr]    |
Dec 05 08:43:42.404 INFO [stderr] 10 | use std::io::prelude::*;
Dec 05 08:43:42.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 05 08:43:42.404 INFO [stderr]    |
Dec 05 08:43:42.404 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 08:43:42.404 INFO [stderr] 
Dec 05 08:43:42.496 INFO [stderr] warning: unused variable: `ra`
Dec 05 08:43:42.496 INFO [stderr]   --> src/tree.rs:97:25
Dec 05 08:43:42.496 INFO [stderr]    |
Dec 05 08:43:42.496 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Dec 05 08:43:42.496 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Dec 05 08:43:42.496 INFO [stderr]    |
Dec 05 08:43:42.496 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 08:43:42.496 INFO [stderr] 
Dec 05 08:43:42.509 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:43:42.509 INFO [stderr]    --> src/main.rs:138:9
Dec 05 08:43:42.509 INFO [stderr]     |
Dec 05 08:43:42.509 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Dec 05 08:43:42.509 INFO [stderr]     |         ----^^^^^^
Dec 05 08:43:42.509 INFO [stderr]     |         |
Dec 05 08:43:42.510 INFO [stderr]     |         help: remove this `mut`
Dec 05 08:43:42.510 INFO [stderr]     |
Dec 05 08:43:42.516 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 08:43:42.516 INFO [stderr] 
Dec 05 08:43:42.520 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 08:43:42.520 INFO [stderr]    --> src/main.rs:141:5
Dec 05 08:43:42.520 INFO [stderr]     |
Dec 05 08:43:42.520 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Dec 05 08:43:42.520 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:43:42.520 INFO [stderr]     |
Dec 05 08:43:42.520 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 08:43:42.523 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 08:43:42.523 INFO [stderr] 
Dec 05 08:43:42.792 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 05 08:43:42.795 INFO [stderr] su: No module specific data is present
Dec 05 08:43:43.354 INFO running `"docker" "inspect" "e2119d22183a2fc7359eed720d5bedb71272e457f703b1aecf8e0694df4b0cd0"`
Dec 05 08:43:43.690 INFO running `"docker" "rm" "-f" "e2119d22183a2fc7359eed720d5bedb71272e457f703b1aecf8e0694df4b0cd0"`
Dec 05 08:43:43.964 INFO [stdout] e2119d22183a2fc7359eed720d5bedb71272e457f703b1aecf8e0694df4b0cd0
Dec 05 08:43:43.970 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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 05 08:43:44.437 INFO [stdout] c2943e80e1e072460f016c1c273f373112ecebf0410a208dfe847db8a93a82ed
Dec 05 08:43:44.440 INFO running `"docker" "start" "-a" "c2943e80e1e072460f016c1c273f373112ecebf0410a208dfe847db8a93a82ed"`
Dec 05 08:43:45.964 INFO [stderr] usermod: no changes
Dec 05 08:43:46.108 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Dec 05 08:43:46.124 INFO [stdout] 
Dec 05 08:43:46.124 INFO [stderr]      Running /target/debug/deps/trees-a2de7ea35f81391b
Dec 05 08:43:46.124 INFO [stdout] running 0 tests
Dec 05 08:43:46.124 INFO [stderr] su: No module specific data is present
Dec 05 08:43:46.124 INFO [stdout] 
Dec 05 08:43:46.124 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 08:43:46.124 INFO [stdout] 
Dec 05 08:43:46.997 INFO running `"docker" "inspect" "c2943e80e1e072460f016c1c273f373112ecebf0410a208dfe847db8a93a82ed"`
Dec 05 08:43:47.313 INFO running `"docker" "rm" "-f" "c2943e80e1e072460f016c1c273f373112ecebf0410a208dfe847db8a93a82ed"`
Dec 05 08:43:47.580 INFO [stdout] c2943e80e1e072460f016c1c273f373112ecebf0410a208dfe847db8a93a82ed