Dec 17 17:55:51.156 INFO checking phillyai/mortal-coil-rs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:55:51.156 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:55:51.598 INFO [stdout] 45d0de3a5c95a5bd8e0f6576cd1f33fda4cf4dca369feef5202943e542eefa1f
Dec 17 17:55:51.600 INFO running `"docker" "start" "-a" "45d0de3a5c95a5bd8e0f6576cd1f33fda4cf4dca369feef5202943e542eefa1f"`
Dec 17 17:55:53.672 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 17 17:55:53.672 INFO [stderr]     Checking tokio-reactor v0.1.6
Dec 17 17:55:54.656 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 17 17:55:54.900 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 17 17:55:54.900 INFO [stderr]     Checking tokio-uds v0.2.3
Dec 17 17:55:54.900 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 17 17:55:55.468 INFO [stderr]     Checking tokio-threadpool v0.1.8
Dec 17 17:55:56.984 INFO [stderr]     Checking tokio-fs v0.1.4
Dec 17 17:55:57.539 INFO [stderr]     Checking tokio v0.1.11
Dec 17 17:55:58.224 INFO [stderr]     Checking hyper v0.12.13
Dec 17 17:56:01.828 INFO [stderr]     Checking hyper-tls v0.3.1
Dec 17 17:56:02.550 INFO [stderr]     Checking reqwest v0.9.4
Dec 17 17:56:04.162 INFO [stderr]     Checking mortal-coil v0.1.0 (/opt/crater/workdir)
Dec 17 17:56:04.768 INFO [stderr] warning: unused variable: `x`
Dec 17 17:56:04.768 INFO [stderr]   --> src/main.rs:89:14
Dec 17 17:56:04.768 INFO [stderr]    |
Dec 17 17:56:04.768 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 17 17:56:04.768 INFO [stderr]    |              ^ help: consider using `_x` instead
Dec 17 17:56:04.768 INFO [stderr]    |
Dec 17 17:56:04.768 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 17:56:04.768 INFO [stderr] 
Dec 17 17:56:04.768 INFO [stderr] warning: unused variable: `y`
Dec 17 17:56:04.768 INFO [stderr]   --> src/main.rs:89:24
Dec 17 17:56:04.768 INFO [stderr]    |
Dec 17 17:56:04.768 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 17 17:56:04.768 INFO [stderr]    |                        ^ help: consider using `_y` instead
Dec 17 17:56:04.768 INFO [stderr] 
Dec 17 17:56:04.768 INFO [stderr] warning: unused variable: `board`
Dec 17 17:56:04.768 INFO [stderr]   --> src/main.rs:89:34
Dec 17 17:56:04.768 INFO [stderr]    |
Dec 17 17:56:04.768 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 17 17:56:04.768 INFO [stderr]    |                                  ^^^^^ help: consider using `_board` instead
Dec 17 17:56:04.768 INFO [stderr] 
Dec 17 17:56:04.783 INFO [stderr] warning: function is never used: `submit_board`
Dec 17 17:56:04.783 INFO [stderr]   --> src/main.rs:46:1
Dec 17 17:56:04.783 INFO [stderr]    |
Dec 17 17:56:04.783 INFO [stderr] 46 | fn submit_board(client: &Client, x: usize, y: usize, path: Vec<Dir>) -> bool {
Dec 17 17:56:04.783 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:56:04.783 INFO [stderr]    |
Dec 17 17:56:04.783 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 17:56:04.783 INFO [stderr] 
Dec 17 17:56:04.783 INFO [stderr] warning: function is never used: `try_solve`
Dec 17 17:56:04.783 INFO [stderr]   --> src/main.rs:89:1
Dec 17 17:56:04.783 INFO [stderr]    |
Dec 17 17:56:04.783 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 17 17:56:04.783 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:56:04.783 INFO [stderr] 
Dec 17 17:56:04.783 INFO [stderr] warning: enum is never used: `Dir`
Dec 17 17:56:04.783 INFO [stderr]   --> src/main.rs:94:1
Dec 17 17:56:04.783 INFO [stderr]    |
Dec 17 17:56:04.783 INFO [stderr] 94 | enum Dir {
Dec 17 17:56:04.783 INFO [stderr]    | ^^^^^^^^
Dec 17 17:56:04.783 INFO [stderr] 
Dec 17 17:56:04.783 INFO [stderr] warning: constant `url` should have an upper case name such as `URL`
Dec 17 17:56:04.783 INFO [stderr]   --> src/main.rs:14:1
Dec 17 17:56:04.783 INFO [stderr]    |
Dec 17 17:56:04.783 INFO [stderr] 14 | const url: &str = "http://www.hacker.org/coil/index.php";
Dec 17 17:56:04.783 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:56:04.783 INFO [stderr]    |
Dec 17 17:56:04.783 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 17 17:56:04.783 INFO [stderr] 
Dec 17 17:56:04.938 INFO [stderr] warning: unused variable: `x`
Dec 17 17:56:04.938 INFO [stderr]   --> src/main.rs:89:14
Dec 17 17:56:04.938 INFO [stderr]    |
Dec 17 17:56:04.938 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 17 17:56:04.938 INFO [stderr]    |              ^ help: consider using `_x` instead
Dec 17 17:56:04.938 INFO [stderr]    |
Dec 17 17:56:04.938 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 17:56:04.938 INFO [stderr] 
Dec 17 17:56:04.938 INFO [stderr] warning: unused variable: `y`
Dec 17 17:56:04.938 INFO [stderr]   --> src/main.rs:89:24
Dec 17 17:56:04.938 INFO [stderr]    |
Dec 17 17:56:04.938 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 17 17:56:04.938 INFO [stderr]    |                        ^ help: consider using `_y` instead
Dec 17 17:56:04.938 INFO [stderr] 
Dec 17 17:56:04.938 INFO [stderr] warning: unused variable: `board`
Dec 17 17:56:04.938 INFO [stderr]   --> src/main.rs:89:34
Dec 17 17:56:04.938 INFO [stderr]    |
Dec 17 17:56:04.938 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 17 17:56:04.938 INFO [stderr]    |                                  ^^^^^ help: consider using `_board` instead
Dec 17 17:56:04.938 INFO [stderr] 
Dec 17 17:56:04.959 INFO [stderr] warning: function is never used: `submit_board`
Dec 17 17:56:04.959 INFO [stderr]   --> src/main.rs:46:1
Dec 17 17:56:04.959 INFO [stderr]    |
Dec 17 17:56:04.959 INFO [stderr] 46 | fn submit_board(client: &Client, x: usize, y: usize, path: Vec<Dir>) -> bool {
Dec 17 17:56:04.959 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:56:04.959 INFO [stderr]    |
Dec 17 17:56:04.959 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 17:56:04.959 INFO [stderr] 
Dec 17 17:56:04.959 INFO [stderr] warning: function is never used: `try_solve`
Dec 17 17:56:04.959 INFO [stderr]   --> src/main.rs:89:1
Dec 17 17:56:04.959 INFO [stderr]    |
Dec 17 17:56:04.959 INFO [stderr] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option<Vec<Dir>> {
Dec 17 17:56:04.959 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:56:04.959 INFO [stderr] 
Dec 17 17:56:04.959 INFO [stderr] warning: enum is never used: `Dir`
Dec 17 17:56:04.959 INFO [stderr]   --> src/main.rs:94:1
Dec 17 17:56:04.959 INFO [stderr]    |
Dec 17 17:56:04.959 INFO [stderr] 94 | enum Dir {
Dec 17 17:56:04.959 INFO [stderr]    | ^^^^^^^^
Dec 17 17:56:04.959 INFO [stderr] 
Dec 17 17:56:04.959 INFO [stderr] warning: constant `url` should have an upper case name such as `URL`
Dec 17 17:56:04.959 INFO [stderr]   --> src/main.rs:14:1
Dec 17 17:56:04.959 INFO [stderr]    |
Dec 17 17:56:04.959 INFO [stderr] 14 | const url: &str = "http://www.hacker.org/coil/index.php";
Dec 17 17:56:04.959 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:56:04.959 INFO [stderr]    |
Dec 17 17:56:04.959 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 17 17:56:04.959 INFO [stderr] 
Dec 17 17:56:04.978 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.61s
Dec 17 17:56:05.240 INFO running `"docker" "inspect" "45d0de3a5c95a5bd8e0f6576cd1f33fda4cf4dca369feef5202943e542eefa1f"`
Dec 17 17:56:05.334 INFO running `"docker" "rm" "-f" "45d0de3a5c95a5bd8e0f6576cd1f33fda4cf4dca369feef5202943e542eefa1f"`
Dec 17 17:56:05.438 INFO [stdout] 45d0de3a5c95a5bd8e0f6576cd1f33fda4cf4dca369feef5202943e542eefa1f