Nov 16 14:35:58.100 INFO testing samfoo/trees against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 14:35:58.100 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 14:35:58.640 INFO [stdout] f2f025d0daf2853852cfc0aa36d9f46fe7b0810b9fa6309e83f7140a5d9bd2dc
Nov 16 14:35:58.642 INFO running `"docker" "start" "-a" "f2f025d0daf2853852cfc0aa36d9f46fe7b0810b9fa6309e83f7140a5d9bd2dc"`
Nov 16 14:35:59.911 INFO [stderr] usermod: no changes
Nov 16 14:36:00.069 INFO [stderr]    Compiling matrixmultiply v0.1.13
Nov 16 14:36:00.069 INFO [stderr]    Compiling ndarray v0.9.1
Nov 16 14:36:00.075 INFO [stderr]    Compiling cairo-rs v0.1.3
Nov 16 14:36:00.075 INFO [stderr]    Compiling c_vec v1.2.1
Nov 16 14:36:00.075 INFO [stderr]    Compiling glib-sys v0.3.4
Nov 16 14:36:00.075 INFO [stderr]    Compiling gobject-sys v0.3.4
Nov 16 14:36:00.075 INFO [stderr]    Compiling cairo-sys-rs v0.3.4
Nov 16 14:36:00.075 INFO [stderr]    Compiling num-complex v0.1.38
Nov 16 14:36:01.471 INFO [stderr]    Compiling itertools v0.6.0
Nov 16 14:36:07.994 INFO [stderr]    Compiling glib v0.1.3
Nov 16 14:36:18.380 INFO [stderr]    Compiling ndarray-rand v0.5.0
Nov 16 14:36:18.884 INFO [stderr]    Compiling trees v0.1.0 (/source)
Nov 16 14:36:19.324 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 16 14:36:19.324 INFO [stderr]   --> src/main.rs:10:5
Nov 16 14:36:19.324 INFO [stderr]    |
Nov 16 14:36:19.324 INFO [stderr] 10 | use std::io::prelude::*;
Nov 16 14:36:19.324 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 14:36:19.324 INFO [stderr]    |
Nov 16 14:36:19.324 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 16 14:36:19.324 INFO [stderr] 
Nov 16 14:36:19.422 INFO [stderr] warning: unused variable: `ra`
Nov 16 14:36:19.422 INFO [stderr]   --> src/tree.rs:97:25
Nov 16 14:36:19.422 INFO [stderr]    |
Nov 16 14:36:19.422 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 16 14:36:19.422 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Nov 16 14:36:19.422 INFO [stderr]    |
Nov 16 14:36:19.422 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 14:36:19.422 INFO [stderr] 
Nov 16 14:36:19.437 INFO [stderr] warning: variable does not need to be mutable
Nov 16 14:36:19.437 INFO [stderr]    --> src/main.rs:138:9
Nov 16 14:36:19.437 INFO [stderr]     |
Nov 16 14:36:19.437 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Nov 16 14:36:19.437 INFO [stderr]     |         ----^^^^^^
Nov 16 14:36:19.437 INFO [stderr]     |         |
Nov 16 14:36:19.437 INFO [stderr]     |         help: remove this `mut`
Nov 16 14:36:19.437 INFO [stderr]     |
Nov 16 14:36:19.437 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 14:36:19.439 INFO [stderr] 
Nov 16 14:36:19.444 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 14:36:19.444 INFO [stderr]    --> src/main.rs:141:5
Nov 16 14:36:19.444 INFO [stderr]     |
Nov 16 14:36:19.445 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Nov 16 14:36:19.445 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 14:36:19.445 INFO [stderr]     |
Nov 16 14:36:19.445 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 14:36:19.445 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 14:36:19.445 INFO [stderr] 
Nov 16 14:36:20.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.83s
Nov 16 14:36:20.781 INFO [stderr] su: No module specific data is present
Nov 16 14:36:22.637 INFO running `"docker" "inspect" "f2f025d0daf2853852cfc0aa36d9f46fe7b0810b9fa6309e83f7140a5d9bd2dc"`
Nov 16 14:36:23.028 INFO running `"docker" "rm" "-f" "f2f025d0daf2853852cfc0aa36d9f46fe7b0810b9fa6309e83f7140a5d9bd2dc"`
Nov 16 14:36:23.365 INFO [stdout] f2f025d0daf2853852cfc0aa36d9f46fe7b0810b9fa6309e83f7140a5d9bd2dc
Nov 16 14:36:23.370 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 14:36:23.883 INFO [stdout] 96cb5dbfd30a035b7020989c390cc5db6948bec8b0dc3c39b1d0b6d703ed9d3a
Nov 16 14:36:23.886 INFO running `"docker" "start" "-a" "96cb5dbfd30a035b7020989c390cc5db6948bec8b0dc3c39b1d0b6d703ed9d3a"`
Nov 16 14:36:26.722 INFO [stderr] usermod: no changes
Nov 16 14:36:26.880 INFO [stderr]    Compiling trees v0.1.0 (/source)
Nov 16 14:36:27.367 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 16 14:36:27.367 INFO [stderr]   --> src/main.rs:10:5
Nov 16 14:36:27.367 INFO [stderr]    |
Nov 16 14:36:27.367 INFO [stderr] 10 | use std::io::prelude::*;
Nov 16 14:36:27.367 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 14:36:27.367 INFO [stderr]    |
Nov 16 14:36:27.367 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 16 14:36:27.367 INFO [stderr] 
Nov 16 14:36:27.482 INFO [stderr] warning: unused variable: `ra`
Nov 16 14:36:27.482 INFO [stderr]   --> src/tree.rs:97:25
Nov 16 14:36:27.482 INFO [stderr]    |
Nov 16 14:36:27.482 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 16 14:36:27.483 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Nov 16 14:36:27.483 INFO [stderr]    |
Nov 16 14:36:27.483 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 14:36:27.483 INFO [stderr] 
Nov 16 14:36:27.498 INFO [stderr] warning: variable does not need to be mutable
Nov 16 14:36:27.498 INFO [stderr]    --> src/main.rs:138:9
Nov 16 14:36:27.499 INFO [stderr]     |
Nov 16 14:36:27.500 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Nov 16 14:36:27.500 INFO [stderr]     |         ----^^^^^^
Nov 16 14:36:27.501 INFO [stderr]     |         |
Nov 16 14:36:27.501 INFO [stderr]     |         help: remove this `mut`
Nov 16 14:36:27.502 INFO [stderr]     |
Nov 16 14:36:27.502 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 14:36:27.503 INFO [stderr] 
Nov 16 14:36:27.505 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 14:36:27.505 INFO [stderr]    --> src/main.rs:141:5
Nov 16 14:36:27.506 INFO [stderr]     |
Nov 16 14:36:27.506 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Nov 16 14:36:27.507 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 14:36:27.507 INFO [stderr]     |
Nov 16 14:36:27.507 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 14:36:27.507 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 14:36:27.507 INFO [stderr] 
Nov 16 14:36:28.103 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Nov 16 14:36:28.107 INFO [stderr] su: No module specific data is present
Nov 16 14:36:29.783 INFO running `"docker" "inspect" "96cb5dbfd30a035b7020989c390cc5db6948bec8b0dc3c39b1d0b6d703ed9d3a"`
Nov 16 14:36:30.139 INFO running `"docker" "rm" "-f" "96cb5dbfd30a035b7020989c390cc5db6948bec8b0dc3c39b1d0b6d703ed9d3a"`
Nov 16 14:36:30.491 INFO [stdout] 96cb5dbfd30a035b7020989c390cc5db6948bec8b0dc3c39b1d0b6d703ed9d3a
Nov 16 14:36:30.493 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 14:36:31.241 INFO [stdout] de7485a6075a711423b4fc653cd6a3c130c8a419f004e01b127565722379c87d
Nov 16 14:36:31.241 INFO running `"docker" "start" "-a" "de7485a6075a711423b4fc653cd6a3c130c8a419f004e01b127565722379c87d"`
Nov 16 14:36:32.555 INFO [stderr] usermod: no changes
Nov 16 14:36:32.675 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Nov 16 14:36:32.695 INFO [stderr]      Running /target/debug/deps/trees-e08744ceba34ea1f
Nov 16 14:36:32.700 INFO [stdout] 
Nov 16 14:36:32.701 INFO [stdout] running 0 tests
Nov 16 14:36:32.701 INFO [stdout] 
Nov 16 14:36:32.701 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 14:36:32.702 INFO [stdout] 
Nov 16 14:36:32.704 INFO [stderr] su: No module specific data is present
Nov 16 14:36:33.429 INFO running `"docker" "inspect" "de7485a6075a711423b4fc653cd6a3c130c8a419f004e01b127565722379c87d"`
Nov 16 14:36:33.688 INFO running `"docker" "rm" "-f" "de7485a6075a711423b4fc653cd6a3c130c8a419f004e01b127565722379c87d"`
Nov 16 14:36:34.047 INFO [stdout] de7485a6075a711423b4fc653cd6a3c130c8a419f004e01b127565722379c87d