Dec 13 04:36:45.796 INFO testing samfoo/trees against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 04:36:45.796 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 04:36:46.560 INFO [stdout] 6443c53baea73fc639309d101017e6adc731cadc7ae1bc0abc90f47c9ae7ad8b
Dec 13 04:36:46.562 INFO running `"docker" "start" "-a" "6443c53baea73fc639309d101017e6adc731cadc7ae1bc0abc90f47c9ae7ad8b"`
Dec 13 04:36:48.112 INFO [stderr] usermod: no changes
Dec 13 04:36:48.259 INFO [stderr]    Compiling matrixmultiply v0.1.13
Dec 13 04:36:48.259 INFO [stderr]    Compiling ndarray v0.9.1
Dec 13 04:36:48.261 INFO [stderr]    Compiling cairo-rs v0.1.3
Dec 13 04:36:48.261 INFO [stderr]    Compiling glib-sys v0.3.4
Dec 13 04:36:48.261 INFO [stderr]    Compiling gobject-sys v0.3.4
Dec 13 04:36:48.261 INFO [stderr]    Compiling cairo-sys-rs v0.3.4
Dec 13 04:36:48.261 INFO [stderr]    Compiling num-complex v0.1.38
Dec 13 04:36:56.420 INFO [stderr]    Compiling glib v0.1.3
Dec 13 04:37:02.092 INFO [stderr]    Compiling ndarray-rand v0.5.0
Dec 13 04:37:02.692 INFO [stderr]    Compiling trees v0.1.0 (/source)
Dec 13 04:37:03.111 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 13 04:37:03.111 INFO [stderr]   --> src/main.rs:10:5
Dec 13 04:37:03.111 INFO [stderr]    |
Dec 13 04:37:03.111 INFO [stderr] 10 | use std::io::prelude::*;
Dec 13 04:37:03.111 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 04:37:03.111 INFO [stderr]    |
Dec 13 04:37:03.111 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 04:37:03.111 INFO [stderr] 
Dec 13 04:37:03.231 INFO [stderr] warning: unused variable: `ra`
Dec 13 04:37:03.231 INFO [stderr]   --> src/tree.rs:97:25
Dec 13 04:37:03.231 INFO [stderr]    |
Dec 13 04:37:03.231 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Dec 13 04:37:03.231 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Dec 13 04:37:03.231 INFO [stderr]    |
Dec 13 04:37:03.231 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 04:37:03.231 INFO [stderr] 
Dec 13 04:37:03.247 INFO [stderr] warning: variable does not need to be mutable
Dec 13 04:37:03.247 INFO [stderr]    --> src/main.rs:138:9
Dec 13 04:37:03.247 INFO [stderr]     |
Dec 13 04:37:03.247 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Dec 13 04:37:03.247 INFO [stderr]     |         ----^^^^^^
Dec 13 04:37:03.247 INFO [stderr]     |         |
Dec 13 04:37:03.247 INFO [stderr]     |         help: remove this `mut`
Dec 13 04:37:03.247 INFO [stderr]     |
Dec 13 04:37:03.247 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 04:37:03.247 INFO [stderr] 
Dec 13 04:37:03.247 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 04:37:03.247 INFO [stderr]    --> src/main.rs:141:5
Dec 13 04:37:03.247 INFO [stderr]     |
Dec 13 04:37:03.247 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Dec 13 04:37:03.247 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:37:03.247 INFO [stderr]     |
Dec 13 04:37:03.247 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 04:37:03.247 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 04:37:03.247 INFO [stderr] 
Dec 13 04:37:04.387 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.23s
Dec 13 04:37:04.387 INFO [stderr] su: No module specific data is present
Dec 13 04:37:05.401 INFO running `"docker" "inspect" "6443c53baea73fc639309d101017e6adc731cadc7ae1bc0abc90f47c9ae7ad8b"`
Dec 13 04:37:05.646 INFO running `"docker" "rm" "-f" "6443c53baea73fc639309d101017e6adc731cadc7ae1bc0abc90f47c9ae7ad8b"`
Dec 13 04:37:05.871 INFO [stdout] 6443c53baea73fc639309d101017e6adc731cadc7ae1bc0abc90f47c9ae7ad8b
Dec 13 04:37:05.887 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 04:37:06.316 INFO [stdout] ce7c9bedfd40f37be1360314b27a58267737b02f0e67273a046fa027f71c722a
Dec 13 04:37:06.318 INFO running `"docker" "start" "-a" "ce7c9bedfd40f37be1360314b27a58267737b02f0e67273a046fa027f71c722a"`
Dec 13 04:37:07.221 INFO [stderr] usermod: no changes
Dec 13 04:37:07.315 INFO [stderr]    Compiling trees v0.1.0 (/source)
Dec 13 04:37:07.975 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 13 04:37:07.975 INFO [stderr]   --> src/main.rs:10:5
Dec 13 04:37:07.975 INFO [stderr]    |
Dec 13 04:37:07.975 INFO [stderr] 10 | use std::io::prelude::*;
Dec 13 04:37:07.975 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 04:37:07.975 INFO [stderr]    |
Dec 13 04:37:07.975 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 04:37:07.975 INFO [stderr] 
Dec 13 04:37:08.123 INFO [stderr] warning: unused variable: `ra`
Dec 13 04:37:08.123 INFO [stderr]   --> src/tree.rs:97:25
Dec 13 04:37:08.123 INFO [stderr]    |
Dec 13 04:37:08.123 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Dec 13 04:37:08.123 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Dec 13 04:37:08.123 INFO [stderr]    |
Dec 13 04:37:08.123 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 04:37:08.123 INFO [stderr] 
Dec 13 04:37:08.124 INFO [stderr] warning: variable does not need to be mutable
Dec 13 04:37:08.124 INFO [stderr]    --> src/main.rs:138:9
Dec 13 04:37:08.124 INFO [stderr]     |
Dec 13 04:37:08.124 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Dec 13 04:37:08.124 INFO [stderr]     |         ----^^^^^^
Dec 13 04:37:08.124 INFO [stderr]     |         |
Dec 13 04:37:08.124 INFO [stderr]     |         help: remove this `mut`
Dec 13 04:37:08.124 INFO [stderr]     |
Dec 13 04:37:08.124 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 04:37:08.124 INFO [stderr] 
Dec 13 04:37:08.131 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 04:37:08.131 INFO [stderr]    --> src/main.rs:141:5
Dec 13 04:37:08.131 INFO [stderr]     |
Dec 13 04:37:08.131 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Dec 13 04:37:08.131 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 04:37:08.131 INFO [stderr]     |
Dec 13 04:37:08.131 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 04:37:08.131 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 04:37:08.131 INFO [stderr] 
Dec 13 04:37:08.482 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Dec 13 04:37:08.482 INFO [stderr] su: No module specific data is present
Dec 13 04:37:09.947 INFO running `"docker" "inspect" "ce7c9bedfd40f37be1360314b27a58267737b02f0e67273a046fa027f71c722a"`
Dec 13 04:37:10.291 INFO running `"docker" "rm" "-f" "ce7c9bedfd40f37be1360314b27a58267737b02f0e67273a046fa027f71c722a"`
Dec 13 04:37:10.499 INFO [stdout] ce7c9bedfd40f37be1360314b27a58267737b02f0e67273a046fa027f71c722a
Dec 13 04:37:10.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 04:37:11.003 INFO [stdout] 55d2ce56582f898403422a405d425baee76dde0e561a3c0572492c6419ef7182
Dec 13 04:37:11.081 INFO running `"docker" "start" "-a" "55d2ce56582f898403422a405d425baee76dde0e561a3c0572492c6419ef7182"`
Dec 13 04:37:12.254 INFO [stderr] usermod: no changes
Dec 13 04:37:12.383 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Dec 13 04:37:12.383 INFO [stderr]      Running /target/debug/deps/trees-50ebf1a999dd7bf4
Dec 13 04:37:12.386 INFO [stdout] 
Dec 13 04:37:12.386 INFO [stdout] running 0 tests
Dec 13 04:37:12.386 INFO [stdout] 
Dec 13 04:37:12.386 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 04:37:12.386 INFO [stdout] 
Dec 13 04:37:12.389 INFO [stderr] su: No module specific data is present
Dec 13 04:37:13.203 INFO running `"docker" "inspect" "55d2ce56582f898403422a405d425baee76dde0e561a3c0572492c6419ef7182"`
Dec 13 04:37:13.658 INFO running `"docker" "rm" "-f" "55d2ce56582f898403422a405d425baee76dde0e561a3c0572492c6419ef7182"`
Dec 13 04:37:13.967 INFO [stdout] 55d2ce56582f898403422a405d425baee76dde0e561a3c0572492c6419ef7182