Dec 19 11:02:20.195 INFO checking phillyai/mortal-coil-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 11:02:20.195 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/phillyai/mortal-coil-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:02:20.460 INFO [stdout] 6c501ad88ec28b0b2835122e6fc3e310906daa30d841d5758f2b1f45a0b121de
Dec 19 11:02:20.462 INFO running `"docker" "start" "-a" "6c501ad88ec28b0b2835122e6fc3e310906daa30d841d5758f2b1f45a0b121de"`
Dec 19 11:02:21.469 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 19 11:02:22.064 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 19 11:02:22.490 INFO [stderr]     Checking tokio-threadpool v0.1.8
Dec 19 11:02:23.705 INFO [stderr]     Checking tokio-fs v0.1.4
Dec 19 11:02:24.343 INFO [stderr]     Checking tokio v0.1.11
Dec 19 11:02:25.152 INFO [stderr]     Checking hyper v0.12.13
Dec 19 11:02:28.528 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 19 11:02:29.095 INFO [stderr]     Checking reqwest v0.9.4
Dec 19 11:02:30.420 INFO [stderr]     Checking mortal-coil v0.1.0 (/opt/crater/workdir)
Dec 19 11:02:30.852 INFO [stderr] warning: unused variable: `x`
Dec 19 11:02:30.852 INFO [stderr]   --> src/main.rs:89:14
Dec 19 11:02:30.852 INFO [stderr]    |
Dec 19 11:02:30.852 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 19 11:02:30.852 INFO [stderr]    |              ^ help: consider using `_x` instead
Dec 19 11:02:30.852 INFO [stderr]    |
Dec 19 11:02:30.852 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 11:02:30.852 INFO [stderr] 
Dec 19 11:02:30.852 INFO [stderr] warning: unused variable: `y`
Dec 19 11:02:30.852 INFO [stderr]   --> src/main.rs:89:24
Dec 19 11:02:30.852 INFO [stderr]    |
Dec 19 11:02:30.852 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 19 11:02:30.852 INFO [stderr]    |                        ^ help: consider using `_y` instead
Dec 19 11:02:30.852 INFO [stderr] 
Dec 19 11:02:30.852 INFO [stderr] warning: unused variable: `board`
Dec 19 11:02:30.852 INFO [stderr]   --> src/main.rs:89:34
Dec 19 11:02:30.852 INFO [stderr]    |
Dec 19 11:02:30.852 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 19 11:02:30.852 INFO [stderr]    |                                  ^^^^^ help: consider using `_board` instead
Dec 19 11:02:30.852 INFO [stderr] 
Dec 19 11:02:30.882 INFO [stderr] warning: function is never used: `submit_board`
Dec 19 11:02:30.882 INFO [stderr]   --> src/main.rs:46:1
Dec 19 11:02:30.882 INFO [stderr]    |
Dec 19 11:02:30.882 INFO [stderr] 46 | fn submit_board(client: &Client, x: usize, y: usize, path: Vec<Dir>) -> bool {
Dec 19 11:02:30.882 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:02:30.882 INFO [stderr]    |
Dec 19 11:02:30.882 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 11:02:30.882 INFO [stderr] 
Dec 19 11:02:30.883 INFO [stderr] warning: function is never used: `try_solve`
Dec 19 11:02:30.883 INFO [stderr]   --> src/main.rs:89:1
Dec 19 11:02:30.883 INFO [stderr]    |
Dec 19 11:02:30.883 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 19 11:02:30.883 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:02:30.883 INFO [stderr] 
Dec 19 11:02:30.883 INFO [stderr] warning: enum is never used: `Dir`
Dec 19 11:02:30.883 INFO [stderr]   --> src/main.rs:94:1
Dec 19 11:02:30.883 INFO [stderr]    |
Dec 19 11:02:30.883 INFO [stderr] 94 | enum Dir {
Dec 19 11:02:30.883 INFO [stderr]    | ^^^^^^^^
Dec 19 11:02:30.883 INFO [stderr] 
Dec 19 11:02:30.883 INFO [stderr] warning: constant `url` should have an upper case name such as `URL`
Dec 19 11:02:30.883 INFO [stderr]   --> src/main.rs:14:1
Dec 19 11:02:30.883 INFO [stderr]    |
Dec 19 11:02:30.883 INFO [stderr] 14 | const url: &str = "http://www.hacker.org/coil/index.php";
Dec 19 11:02:30.883 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:02:30.883 INFO [stderr]    |
Dec 19 11:02:30.883 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 19 11:02:30.883 INFO [stderr] 
Dec 19 11:02:30.974 INFO [stderr] warning: unused variable: `x`
Dec 19 11:02:30.974 INFO [stderr]   --> src/main.rs:89:14
Dec 19 11:02:30.974 INFO [stderr]    |
Dec 19 11:02:30.974 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 19 11:02:30.974 INFO [stderr]    |              ^ help: consider using `_x` instead
Dec 19 11:02:30.974 INFO [stderr]    |
Dec 19 11:02:30.974 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 11:02:30.974 INFO [stderr] 
Dec 19 11:02:30.974 INFO [stderr] warning: unused variable: `y`
Dec 19 11:02:30.974 INFO [stderr]   --> src/main.rs:89:24
Dec 19 11:02:30.974 INFO [stderr]    |
Dec 19 11:02:30.974 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 19 11:02:30.974 INFO [stderr]    |                        ^ help: consider using `_y` instead
Dec 19 11:02:30.974 INFO [stderr] 
Dec 19 11:02:30.974 INFO [stderr] warning: unused variable: `board`
Dec 19 11:02:30.974 INFO [stderr]   --> src/main.rs:89:34
Dec 19 11:02:30.974 INFO [stderr]    |
Dec 19 11:02:30.974 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 19 11:02:30.992 INFO [stderr]    |                                  ^^^^^ help: consider using `_board` instead
Dec 19 11:02:30.993 INFO [stderr] 
Dec 19 11:02:30.993 INFO [stderr] warning: function is never used: `submit_board`
Dec 19 11:02:30.993 INFO [stderr]   --> src/main.rs:46:1
Dec 19 11:02:30.993 INFO [stderr]    |
Dec 19 11:02:30.993 INFO [stderr] 46 | fn submit_board(client: &Client, x: usize, y: usize, path: Vec<Dir>) -> bool {
Dec 19 11:02:30.993 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:02:30.993 INFO [stderr]    |
Dec 19 11:02:30.993 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 11:02:30.993 INFO [stderr] 
Dec 19 11:02:30.993 INFO [stderr] warning: function is never used: `try_solve`
Dec 19 11:02:30.993 INFO [stderr]   --> src/main.rs:89:1
Dec 19 11:02:30.993 INFO [stderr]    |
Dec 19 11:02:30.993 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 19 11:02:30.993 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:02:30.993 INFO [stderr] 
Dec 19 11:02:30.993 INFO [stderr] warning: enum is never used: `Dir`
Dec 19 11:02:30.993 INFO [stderr]   --> src/main.rs:94:1
Dec 19 11:02:30.993 INFO [stderr]    |
Dec 19 11:02:30.993 INFO [stderr] 94 | enum Dir {
Dec 19 11:02:30.993 INFO [stderr]    | ^^^^^^^^
Dec 19 11:02:30.993 INFO [stderr] 
Dec 19 11:02:30.993 INFO [stderr] warning: constant `url` should have an upper case name such as `URL`
Dec 19 11:02:30.993 INFO [stderr]   --> src/main.rs:14:1
Dec 19 11:02:30.993 INFO [stderr]    |
Dec 19 11:02:30.993 INFO [stderr] 14 | const url: &str = "http://www.hacker.org/coil/index.php";
Dec 19 11:02:30.993 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 11:02:30.993 INFO [stderr]    |
Dec 19 11:02:30.993 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 19 11:02:30.993 INFO [stderr] 
Dec 19 11:02:31.022 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.79s
Dec 19 11:02:31.296 INFO running `"docker" "inspect" "6c501ad88ec28b0b2835122e6fc3e310906daa30d841d5758f2b1f45a0b121de"`
Dec 19 11:02:31.351 INFO running `"docker" "rm" "-f" "6c501ad88ec28b0b2835122e6fc3e310906daa30d841d5758f2b1f45a0b121de"`
Dec 19 11:02:31.450 INFO [stdout] 6c501ad88ec28b0b2835122e6fc3e310906daa30d841d5758f2b1f45a0b121de