Dec 01 20:46:35.701 INFO testing csreid/nqueens-rs against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 20:46:35.701 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 20:46:36.100 INFO [stdout] ab1d331dad25e9e9305d17f55cfc55131e41843a2909b8311e0a9b7da0376c24
Dec 01 20:46:36.100 INFO running `"docker" "start" "-a" "ab1d331dad25e9e9305d17f55cfc55131e41843a2909b8311e0a9b7da0376c24"`
Dec 01 20:46:36.816 INFO [stderr] usermod: no changes
Dec 01 20:46:36.923 INFO [stderr]    Compiling stopwatch v0.0.7
Dec 01 20:46:37.983 INFO [stderr]    Compiling nqueens-rs v0.1.0 (/source)
Dec 01 20:46:38.671 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 01 20:46:38.671 INFO [stderr]    --> src/main.rs:118:12
Dec 01 20:46:38.671 INFO [stderr]     |
Dec 01 20:46:38.671 INFO [stderr] 118 |         for i in (0..=N) {
Dec 01 20:46:38.671 INFO [stderr]     |                  ^^^^^^^ help: remove these parentheses
Dec 01 20:46:38.671 INFO [stderr]     |
Dec 01 20:46:38.671 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 01 20:46:38.671 INFO [stderr] 
Dec 01 20:46:38.671 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 01 20:46:38.671 INFO [stderr]    --> src/main.rs:119:13
Dec 01 20:46:38.671 INFO [stderr]     |
Dec 01 20:46:38.671 INFO [stderr] 119 |             for j in (0..=N) {
Dec 01 20:46:38.671 INFO [stderr]     |                      ^^^^^^^ help: remove these parentheses
Dec 01 20:46:38.671 INFO [stderr] 
Dec 01 20:46:38.671 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 01 20:46:38.671 INFO [stderr]    --> src/main.rs:182:12
Dec 01 20:46:38.671 INFO [stderr]     |
Dec 01 20:46:38.671 INFO [stderr] 182 |         for i in (0..N) {
Dec 01 20:46:38.671 INFO [stderr]     |                  ^^^^^^ help: remove these parentheses
Dec 01 20:46:38.671 INFO [stderr] 
Dec 01 20:46:38.671 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 01 20:46:38.671 INFO [stderr]    --> src/main.rs:183:13
Dec 01 20:46:38.671 INFO [stderr]     |
Dec 01 20:46:38.671 INFO [stderr] 183 |             for j in (0..N) {
Dec 01 20:46:38.671 INFO [stderr]     |                      ^^^^^^ help: remove these parentheses
Dec 01 20:46:38.671 INFO [stderr] 
Dec 01 20:46:38.671 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 01 20:46:38.671 INFO [stderr]    --> src/main.rs:245:13
Dec 01 20:46:38.671 INFO [stderr]     |
Dec 01 20:46:38.671 INFO [stderr] 245 |     let time = (sw.elapsed_ms() as f64);
Dec 01 20:46:38.671 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 01 20:46:38.671 INFO [stderr] 
Dec 01 20:46:38.779 INFO [stderr] warning: unused variable: `i`
Dec 01 20:46:38.779 INFO [stderr]    --> src/main.rs:118:7
Dec 01 20:46:38.779 INFO [stderr]     |
Dec 01 20:46:38.779 INFO [stderr] 118 |         for i in (0..=N) {
Dec 01 20:46:38.779 INFO [stderr]     |             ^ help: consider using `_i` instead
Dec 01 20:46:38.779 INFO [stderr]     |
Dec 01 20:46:38.779 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 20:46:38.779 INFO [stderr] 
Dec 01 20:46:38.779 INFO [stderr] warning: unused variable: `children`
Dec 01 20:46:38.779 INFO [stderr]    --> src/main.rs:219:7
Dec 01 20:46:38.779 INFO [stderr]     |
Dec 01 20:46:38.779 INFO [stderr] 219 |         let children = self.children();
Dec 01 20:46:38.779 INFO [stderr]     |             ^^^^^^^^ help: consider using `_children` instead
Dec 01 20:46:38.779 INFO [stderr] 
Dec 01 20:46:38.802 INFO [stderr] warning: method is never used: `n_queens_bestfs`
Dec 01 20:46:38.802 INFO [stderr]    --> src/main.rs:193:2
Dec 01 20:46:38.802 INFO [stderr]     |
Dec 01 20:46:38.802 INFO [stderr] 193 |     fn n_queens_bestfs(&self, n:i32) -> (Board, i32) {
Dec 01 20:46:38.802 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 20:46:38.802 INFO [stderr]     |
Dec 01 20:46:38.802 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 01 20:46:38.802 INFO [stderr] 
Dec 01 20:46:38.803 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:38.803 INFO [stderr]   --> src/main.rs:78:4
Dec 01 20:46:38.803 INFO [stderr]    |
Dec 01 20:46:38.803 INFO [stderr] 78 |             write!(f, "+---");
Dec 01 20:46:38.803 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^
Dec 01 20:46:38.803 INFO [stderr]    |
Dec 01 20:46:38.803 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 20:46:38.803 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:38.803 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:38.803 INFO [stderr] 
Dec 01 20:46:38.803 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:38.803 INFO [stderr]   --> src/main.rs:81:3
Dec 01 20:46:38.803 INFO [stderr]    |
Dec 01 20:46:38.803 INFO [stderr] 81 |         write!(f, "+\n");
Dec 01 20:46:38.803 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 01 20:46:38.803 INFO [stderr]    |
Dec 01 20:46:38.803 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:38.803 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:38.803 INFO [stderr] 
Dec 01 20:46:38.803 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:38.803 INFO [stderr]   --> src/main.rs:86:6
Dec 01 20:46:38.803 INFO [stderr]    |
Dec 01 20:46:38.803 INFO [stderr] 86 |                     write!(f, "| Q ");
Dec 01 20:46:38.803 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^
Dec 01 20:46:38.807 INFO [stderr]    |
Dec 01 20:46:38.807 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:38.807 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:38.807 INFO [stderr] 
Dec 01 20:46:38.807 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:38.807 INFO [stderr]   --> src/main.rs:88:6
Dec 01 20:46:38.807 INFO [stderr]    |
Dec 01 20:46:38.807 INFO [stderr] 88 |                     write!(f, "|   ");
Dec 01 20:46:38.807 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^
Dec 01 20:46:38.807 INFO [stderr]    |
Dec 01 20:46:38.807 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:38.807 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:38.807 INFO [stderr] 
Dec 01 20:46:38.807 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:38.807 INFO [stderr]   --> src/main.rs:92:4
Dec 01 20:46:38.807 INFO [stderr]    |
Dec 01 20:46:38.807 INFO [stderr] 92 |             write!(f, "|\n");
Dec 01 20:46:38.807 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 01 20:46:38.807 INFO [stderr]    |
Dec 01 20:46:38.807 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:38.807 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:38.807 INFO [stderr] 
Dec 01 20:46:38.807 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:38.807 INFO [stderr]   --> src/main.rs:95:5
Dec 01 20:46:38.807 INFO [stderr]    |
Dec 01 20:46:38.807 INFO [stderr] 95 |                 write!(f, "+---");
Dec 01 20:46:38.807 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^
Dec 01 20:46:38.807 INFO [stderr]    |
Dec 01 20:46:38.807 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:38.807 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:38.807 INFO [stderr] 
Dec 01 20:46:38.807 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:38.807 INFO [stderr]   --> src/main.rs:97:4
Dec 01 20:46:38.807 INFO [stderr]    |
Dec 01 20:46:38.807 INFO [stderr] 97 |             write!(f, "+\n");
Dec 01 20:46:38.807 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 01 20:46:38.807 INFO [stderr]    |
Dec 01 20:46:38.807 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:38.807 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:38.807 INFO [stderr] 
Dec 01 20:46:38.807 INFO [stderr] warning: variable `startTime` should have a snake case name such as `start_time`
Dec 01 20:46:38.807 INFO [stderr]    --> src/main.rs:220:7
Dec 01 20:46:38.807 INFO [stderr]     |
Dec 01 20:46:38.807 INFO [stderr] 220 |         let startTime = Stopwatch::start_new();
Dec 01 20:46:38.807 INFO [stderr]     |             ^^^^^^^^^
Dec 01 20:46:38.807 INFO [stderr]     |
Dec 01 20:46:38.807 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 01 20:46:38.807 INFO [stderr] 
Dec 01 20:46:39.495 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
Dec 01 20:46:39.500 INFO [stderr] su: No module specific data is present
Dec 01 20:46:40.451 INFO running `"docker" "inspect" "ab1d331dad25e9e9305d17f55cfc55131e41843a2909b8311e0a9b7da0376c24"`
Dec 01 20:46:40.661 INFO running `"docker" "rm" "-f" "ab1d331dad25e9e9305d17f55cfc55131e41843a2909b8311e0a9b7da0376c24"`
Dec 01 20:46:40.915 INFO [stdout] ab1d331dad25e9e9305d17f55cfc55131e41843a2909b8311e0a9b7da0376c24
Dec 01 20:46:40.917 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 20:46:41.331 INFO [stdout] 6232f1097b6dcd0ab5e682c7dce06ea9b1c34ff43c3dbf6d48cc0169ecaf0655
Dec 01 20:46:41.337 INFO running `"docker" "start" "-a" "6232f1097b6dcd0ab5e682c7dce06ea9b1c34ff43c3dbf6d48cc0169ecaf0655"`
Dec 01 20:46:41.931 INFO [stderr] usermod: no changes
Dec 01 20:46:41.990 INFO [stderr]    Compiling nqueens-rs v0.1.0 (/source)
Dec 01 20:46:42.635 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 01 20:46:42.635 INFO [stderr]    --> src/main.rs:118:12
Dec 01 20:46:42.636 INFO [stderr]     |
Dec 01 20:46:42.636 INFO [stderr] 118 |         for i in (0..=N) {
Dec 01 20:46:42.636 INFO [stderr]     |                  ^^^^^^^ help: remove these parentheses
Dec 01 20:46:42.636 INFO [stderr]     |
Dec 01 20:46:42.636 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 01 20:46:42.636 INFO [stderr] 
Dec 01 20:46:42.636 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 01 20:46:42.636 INFO [stderr]    --> src/main.rs:119:13
Dec 01 20:46:42.636 INFO [stderr]     |
Dec 01 20:46:42.636 INFO [stderr] 119 |             for j in (0..=N) {
Dec 01 20:46:42.636 INFO [stderr]     |                      ^^^^^^^ help: remove these parentheses
Dec 01 20:46:42.636 INFO [stderr] 
Dec 01 20:46:42.636 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 01 20:46:42.636 INFO [stderr]    --> src/main.rs:182:12
Dec 01 20:46:42.636 INFO [stderr]     |
Dec 01 20:46:42.636 INFO [stderr] 182 |         for i in (0..N) {
Dec 01 20:46:42.636 INFO [stderr]     |                  ^^^^^^ help: remove these parentheses
Dec 01 20:46:42.636 INFO [stderr] 
Dec 01 20:46:42.636 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 01 20:46:42.636 INFO [stderr]    --> src/main.rs:183:13
Dec 01 20:46:42.636 INFO [stderr]     |
Dec 01 20:46:42.636 INFO [stderr] 183 |             for j in (0..N) {
Dec 01 20:46:42.636 INFO [stderr]     |                      ^^^^^^ help: remove these parentheses
Dec 01 20:46:42.636 INFO [stderr] 
Dec 01 20:46:42.636 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 01 20:46:42.636 INFO [stderr]    --> src/main.rs:245:13
Dec 01 20:46:42.636 INFO [stderr]     |
Dec 01 20:46:42.636 INFO [stderr] 245 |     let time = (sw.elapsed_ms() as f64);
Dec 01 20:46:42.636 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 01 20:46:42.636 INFO [stderr] 
Dec 01 20:46:42.736 INFO [stderr] warning: unused variable: `i`
Dec 01 20:46:42.736 INFO [stderr]    --> src/main.rs:118:7
Dec 01 20:46:42.736 INFO [stderr]     |
Dec 01 20:46:42.736 INFO [stderr] 118 |         for i in (0..=N) {
Dec 01 20:46:42.736 INFO [stderr]     |             ^ help: consider using `_i` instead
Dec 01 20:46:42.736 INFO [stderr]     |
Dec 01 20:46:42.736 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 01 20:46:42.736 INFO [stderr] 
Dec 01 20:46:42.739 INFO [stderr] warning: unused variable: `children`
Dec 01 20:46:42.739 INFO [stderr]    --> src/main.rs:219:7
Dec 01 20:46:42.739 INFO [stderr]     |
Dec 01 20:46:42.739 INFO [stderr] 219 |         let children = self.children();
Dec 01 20:46:42.739 INFO [stderr]     |             ^^^^^^^^ help: consider using `_children` instead
Dec 01 20:46:42.739 INFO [stderr] 
Dec 01 20:46:42.761 INFO [stderr] warning: method is never used: `n_queens_bestfs`
Dec 01 20:46:42.761 INFO [stderr]    --> src/main.rs:193:2
Dec 01 20:46:42.761 INFO [stderr]     |
Dec 01 20:46:42.761 INFO [stderr] 193 |     fn n_queens_bestfs(&self, n:i32) -> (Board, i32) {
Dec 01 20:46:42.761 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 20:46:42.761 INFO [stderr]     |
Dec 01 20:46:42.761 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 01 20:46:42.761 INFO [stderr] 
Dec 01 20:46:42.761 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:42.761 INFO [stderr]   --> src/main.rs:78:4
Dec 01 20:46:42.761 INFO [stderr]    |
Dec 01 20:46:42.761 INFO [stderr] 78 |             write!(f, "+---");
Dec 01 20:46:42.761 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^
Dec 01 20:46:42.761 INFO [stderr]    |
Dec 01 20:46:42.761 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 20:46:42.761 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:42.761 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:42.761 INFO [stderr] 
Dec 01 20:46:42.761 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:42.761 INFO [stderr]   --> src/main.rs:81:3
Dec 01 20:46:42.761 INFO [stderr]    |
Dec 01 20:46:42.761 INFO [stderr] 81 |         write!(f, "+\n");
Dec 01 20:46:42.761 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 01 20:46:42.761 INFO [stderr]    |
Dec 01 20:46:42.761 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:42.761 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:42.761 INFO [stderr] 
Dec 01 20:46:42.761 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:42.761 INFO [stderr]   --> src/main.rs:86:6
Dec 01 20:46:42.761 INFO [stderr]    |
Dec 01 20:46:42.761 INFO [stderr] 86 |                     write!(f, "| Q ");
Dec 01 20:46:42.761 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^
Dec 01 20:46:42.761 INFO [stderr]    |
Dec 01 20:46:42.761 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:42.761 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:42.761 INFO [stderr] 
Dec 01 20:46:42.761 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:42.761 INFO [stderr]   --> src/main.rs:88:6
Dec 01 20:46:42.761 INFO [stderr]    |
Dec 01 20:46:42.761 INFO [stderr] 88 |                     write!(f, "|   ");
Dec 01 20:46:42.761 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^
Dec 01 20:46:42.761 INFO [stderr]    |
Dec 01 20:46:42.761 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:42.762 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:42.762 INFO [stderr] 
Dec 01 20:46:42.762 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:42.762 INFO [stderr]   --> src/main.rs:92:4
Dec 01 20:46:42.762 INFO [stderr]    |
Dec 01 20:46:42.762 INFO [stderr] 92 |             write!(f, "|\n");
Dec 01 20:46:42.762 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 01 20:46:42.762 INFO [stderr]    |
Dec 01 20:46:42.762 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:42.762 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:42.762 INFO [stderr] 
Dec 01 20:46:42.762 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:42.762 INFO [stderr]   --> src/main.rs:95:5
Dec 01 20:46:42.762 INFO [stderr]    |
Dec 01 20:46:42.762 INFO [stderr] 95 |                 write!(f, "+---");
Dec 01 20:46:42.762 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^
Dec 01 20:46:42.762 INFO [stderr]    |
Dec 01 20:46:42.762 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:42.762 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:42.762 INFO [stderr] 
Dec 01 20:46:42.762 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 20:46:42.762 INFO [stderr]   --> src/main.rs:97:4
Dec 01 20:46:42.762 INFO [stderr]    |
Dec 01 20:46:42.762 INFO [stderr] 97 |             write!(f, "+\n");
Dec 01 20:46:42.762 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 01 20:46:42.762 INFO [stderr]    |
Dec 01 20:46:42.762 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 20:46:42.762 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 20:46:42.762 INFO [stderr] 
Dec 01 20:46:42.762 INFO [stderr] warning: variable `startTime` should have a snake case name such as `start_time`
Dec 01 20:46:42.762 INFO [stderr]    --> src/main.rs:220:7
Dec 01 20:46:42.762 INFO [stderr]     |
Dec 01 20:46:42.762 INFO [stderr] 220 |         let startTime = Stopwatch::start_new();
Dec 01 20:46:42.762 INFO [stderr]     |             ^^^^^^^^^
Dec 01 20:46:42.762 INFO [stderr]     |
Dec 01 20:46:42.762 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 01 20:46:42.762 INFO [stderr] 
Dec 01 20:46:43.118 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Dec 01 20:46:43.123 INFO [stderr] su: No module specific data is present
Dec 01 20:46:43.590 INFO running `"docker" "inspect" "6232f1097b6dcd0ab5e682c7dce06ea9b1c34ff43c3dbf6d48cc0169ecaf0655"`
Dec 01 20:46:43.812 INFO running `"docker" "rm" "-f" "6232f1097b6dcd0ab5e682c7dce06ea9b1c34ff43c3dbf6d48cc0169ecaf0655"`
Dec 01 20:46:43.999 INFO [stdout] 6232f1097b6dcd0ab5e682c7dce06ea9b1c34ff43c3dbf6d48cc0169ecaf0655
Dec 01 20:46:43.999 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 20:46:44.495 INFO [stdout] ab4297ae2adba6b804f9b1e196fdc1e0280a1ecb0729719ce3423ed1109833fc
Dec 01 20:46:44.496 INFO running `"docker" "start" "-a" "ab4297ae2adba6b804f9b1e196fdc1e0280a1ecb0729719ce3423ed1109833fc"`
Dec 01 20:46:45.027 INFO [stderr] usermod: no changes
Dec 01 20:46:45.085 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 01 20:46:45.086 INFO [stderr]      Running /target/debug/deps/nqueens_rs-741d25dbde1db905
Dec 01 20:46:45.091 INFO [stderr] su: No module specific data is present
Dec 01 20:46:45.091 INFO [stdout] 
Dec 01 20:46:45.091 INFO [stdout] running 0 tests
Dec 01 20:46:45.091 INFO [stdout] 
Dec 01 20:46:45.091 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 20:46:45.091 INFO [stdout] 
Dec 01 20:46:45.340 INFO running `"docker" "inspect" "ab4297ae2adba6b804f9b1e196fdc1e0280a1ecb0729719ce3423ed1109833fc"`
Dec 01 20:46:45.522 INFO running `"docker" "rm" "-f" "ab4297ae2adba6b804f9b1e196fdc1e0280a1ecb0729719ce3423ed1109833fc"`
Dec 01 20:46:45.645 INFO [stdout] ab4297ae2adba6b804f9b1e196fdc1e0280a1ecb0729719ce3423ed1109833fc
