Nov 29 18:56:31.354 INFO checking samfoo/trees against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 18:56:31.354 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 18:56:31.796 INFO [stdout] 97ba6a9f1748f2e6ae3e99c463e53a94928c3ec342de4f369259684e4a5460ce
Nov 29 18:56:31.802 INFO running `"docker" "start" "-a" "97ba6a9f1748f2e6ae3e99c463e53a94928c3ec342de4f369259684e4a5460ce"`
Nov 29 18:56:32.841 INFO [stderr] usermod: no changes
Nov 29 18:56:32.991 INFO [stderr]    Compiling matrixmultiply v0.1.13
Nov 29 18:56:32.991 INFO [stderr]    Compiling ndarray v0.9.1
Nov 29 18:56:32.992 INFO [stderr]    Compiling cairo-rs v0.1.3
Nov 29 18:56:32.994 INFO [stderr]    Compiling glib-sys v0.3.4
Nov 29 18:56:32.994 INFO [stderr]    Compiling gobject-sys v0.3.4
Nov 29 18:56:32.994 INFO [stderr]    Compiling cairo-sys-rs v0.3.4
Nov 29 18:56:32.994 INFO [stderr]     Checking num-complex v0.1.38
Nov 29 18:56:32.994 INFO [stderr]     Checking itertools v0.6.0
Nov 29 18:56:41.158 INFO [stderr]     Checking glib v0.1.3
Nov 29 18:56:47.493 INFO [stderr]     Checking ndarray-rand v0.5.0
Nov 29 18:56:47.959 INFO [stderr]     Checking trees v0.1.0 (/source)
Nov 29 18:56:48.444 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 29 18:56:48.444 INFO [stderr]   --> src/main.rs:10:5
Nov 29 18:56:48.444 INFO [stderr]    |
Nov 29 18:56:48.444 INFO [stderr] 10 | use std::io::prelude::*;
Nov 29 18:56:48.444 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 29 18:56:48.444 INFO [stderr]    |
Nov 29 18:56:48.444 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 18:56:48.444 INFO [stderr] 
Nov 29 18:56:48.716 INFO [stderr] warning: unused variable: `ra`
Nov 29 18:56:48.716 INFO [stderr]   --> src/tree.rs:97:25
Nov 29 18:56:48.716 INFO [stderr]    |
Nov 29 18:56:48.716 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 29 18:56:48.716 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Nov 29 18:56:48.716 INFO [stderr]    |
Nov 29 18:56:48.716 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:56:48.716 INFO [stderr] 
Nov 29 18:56:48.740 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:56:48.740 INFO [stderr]    --> src/main.rs:138:9
Nov 29 18:56:48.740 INFO [stderr]     |
Nov 29 18:56:48.740 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Nov 29 18:56:48.740 INFO [stderr]     |         ----^^^^^^
Nov 29 18:56:48.740 INFO [stderr]     |         |
Nov 29 18:56:48.740 INFO [stderr]     |         help: remove this `mut`
Nov 29 18:56:48.740 INFO [stderr]     |
Nov 29 18:56:48.740 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 18:56:48.740 INFO [stderr] 
Nov 29 18:56:48.756 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:56:48.756 INFO [stderr]    --> src/main.rs:141:5
Nov 29 18:56:48.756 INFO [stderr]     |
Nov 29 18:56:48.756 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Nov 29 18:56:48.756 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:56:48.756 INFO [stderr]     |
Nov 29 18:56:48.756 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 18:56:48.756 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:56:48.756 INFO [stderr] 
Nov 29 18:56:48.932 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 29 18:56:48.932 INFO [stderr]   --> src/main.rs:10:5
Nov 29 18:56:48.932 INFO [stderr]    |
Nov 29 18:56:48.932 INFO [stderr] 10 | use std::io::prelude::*;
Nov 29 18:56:48.932 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 29 18:56:48.932 INFO [stderr]    |
Nov 29 18:56:48.932 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 18:56:48.932 INFO [stderr] 
Nov 29 18:56:49.036 INFO [stderr] warning: unused variable: `ra`
Nov 29 18:56:49.036 INFO [stderr]   --> src/tree.rs:97:25
Nov 29 18:56:49.036 INFO [stderr]    |
Nov 29 18:56:49.036 INFO [stderr] 97 |                     let ra = 0.3 * PI * rng.next_f64() * l_or_r;
Nov 29 18:56:49.036 INFO [stderr]    |                         ^^ help: consider using `_ra` instead
Nov 29 18:56:49.036 INFO [stderr]    |
Nov 29 18:56:49.036 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:56:49.036 INFO [stderr] 
Nov 29 18:56:49.052 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:56:49.052 INFO [stderr]    --> src/main.rs:138:9
Nov 29 18:56:49.052 INFO [stderr]     |
Nov 29 18:56:49.052 INFO [stderr] 138 |     let mut output = File::create(output()).unwrap();
Nov 29 18:56:49.052 INFO [stderr]     |         ----^^^^^^
Nov 29 18:56:49.052 INFO [stderr]     |         |
Nov 29 18:56:49.052 INFO [stderr]     |         help: remove this `mut`
Nov 29 18:56:49.052 INFO [stderr]     |
Nov 29 18:56:49.052 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 18:56:49.052 INFO [stderr] 
Nov 29 18:56:49.060 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:56:49.060 INFO [stderr]    --> src/main.rs:141:5
Nov 29 18:56:49.060 INFO [stderr]     |
Nov 29 18:56:49.060 INFO [stderr] 141 |     surface.write_to_png(&mut f);
Nov 29 18:56:49.060 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:56:49.060 INFO [stderr]     |
Nov 29 18:56:49.060 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 18:56:49.060 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:56:49.060 INFO [stderr] 
Nov 29 18:56:49.089 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.22s
Nov 29 18:56:49.096 INFO [stderr] su: No module specific data is present
Nov 29 18:56:50.076 INFO running `"docker" "inspect" "97ba6a9f1748f2e6ae3e99c463e53a94928c3ec342de4f369259684e4a5460ce"`
Nov 29 18:56:50.308 INFO running `"docker" "rm" "-f" "97ba6a9f1748f2e6ae3e99c463e53a94928c3ec342de4f369259684e4a5460ce"`
Nov 29 18:56:50.678 INFO [stdout] 97ba6a9f1748f2e6ae3e99c463e53a94928c3ec342de4f369259684e4a5460ce