[INFO] cloning repository https://github.com/hardiksiloiya/15-puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hardiksiloiya/15-puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardiksiloiya%2F15-puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardiksiloiya%2F15-puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 910899a5a98c864918a8934652f7a39bba3af057
[INFO] checking hardiksiloiya/15-puzzle against try#5785402183672f7786e9dc343d7b435bdaf4a4bc for pr-138001
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhardiksiloiya%2F15-puzzle" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hardiksiloiya/15-puzzle on toolchain 5785402183672f7786e9dc343d7b435bdaf4a4bc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hardiksiloiya/15-puzzle
[INFO] finished tweaking git repo https://github.com/hardiksiloiya/15-puzzle
[INFO] tweaked toml for git repo https://github.com/hardiksiloiya/15-puzzle written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hardiksiloiya/15-puzzle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 060ef142212a718b269b1a66f3d88b2f56a3346cedc3c6c32c65c98f7353bc9c
[INFO] running `Command { std: "docker" "start" "-a" "060ef142212a718b269b1a66f3d88b2f56a3346cedc3c6c32c65c98f7353bc9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "060ef142212a718b269b1a66f3d88b2f56a3346cedc3c6c32c65c98f7353bc9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060ef142212a718b269b1a66f3d88b2f56a3346cedc3c6c32c65c98f7353bc9c", kill_on_drop: false }`
[INFO] [stdout] 060ef142212a718b269b1a66f3d88b2f56a3346cedc3c6c32c65c98f7353bc9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d98bcf797ca387f0a4d23a997caa8361e0059f323adb91a3d5ca6d39c5374e3c
[INFO] running `Command { std: "docker" "start" "-a" "d98bcf797ca387f0a4d23a997caa8361e0059f323adb91a3d5ca6d39c5374e3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/main.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             printw("Congratulations! You won!");
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]   --> src/main.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 printw(&format!("{}", cell_content));
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]    --> src/main.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             printw("Congratulations! You won!");
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ncurses::printw`: printw can segfault when printing string that contains % sign. Use addstr instead
[INFO] [stdout]   --> src/main.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 printw(&format!("{}", cell_content));
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "d98bcf797ca387f0a4d23a997caa8361e0059f323adb91a3d5ca6d39c5374e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98bcf797ca387f0a4d23a997caa8361e0059f323adb91a3d5ca6d39c5374e3c", kill_on_drop: false }`
[INFO] [stdout] d98bcf797ca387f0a4d23a997caa8361e0059f323adb91a3d5ca6d39c5374e3c