[INFO] cloning repository https://github.com/paperclipstudio/quoridor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paperclipstudio/quoridor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaperclipstudio%2Fquoridor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaperclipstudio%2Fquoridor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ada3f4735afe99f265efa40ebe5d70324d4b437f
[INFO] checking paperclipstudio/quoridor against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaperclipstudio%2Fquoridor" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paperclipstudio/quoridor on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paperclipstudio/quoridor
[INFO] finished tweaking git repo https://github.com/paperclipstudio/quoridor
[INFO] tweaked toml for git repo https://github.com/paperclipstudio/quoridor written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/paperclipstudio/quoridor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ee137efb6e971adbacec1c14c7c91218fe2fe4bd9a614ec7123d477dcf394cf7
[INFO] running `Command { std: "docker" "start" "-a" "ee137efb6e971adbacec1c14c7c91218fe2fe4bd9a614ec7123d477dcf394cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee137efb6e971adbacec1c14c7c91218fe2fe4bd9a614ec7123d477dcf394cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee137efb6e971adbacec1c14c7c91218fe2fe4bd9a614ec7123d477dcf394cf7", kill_on_drop: false }`
[INFO] [stdout] ee137efb6e971adbacec1c14c7c91218fe2fe4bd9a614ec7123d477dcf394cf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 920521b5d0601c67310e09cde9a523247fa15bdbbd111624354b41f995559952
[INFO] running `Command { std: "docker" "start" "-a" "920521b5d0601c67310e09cde9a523247fa15bdbbd111624354b41f995559952", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling priority-queue v1.1.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking dialoguer v0.8.0
[INFO] [stderr]     Checking quoridor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> src/game.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]   --> src/game.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::{File};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::Command`
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{io::Write, process::Command};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> src/game.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]   --> src/game.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::{File};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::Command`
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{io::Write, process::Command};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_from_file`
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn new_from_file(file_name: String) -> game::Quoridor {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_from_file`
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn new_from_file(file_name: String) -> game::Quoridor {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "920521b5d0601c67310e09cde9a523247fa15bdbbd111624354b41f995559952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920521b5d0601c67310e09cde9a523247fa15bdbbd111624354b41f995559952", kill_on_drop: false }`
[INFO] [stdout] 920521b5d0601c67310e09cde9a523247fa15bdbbd111624354b41f995559952