[INFO] updating cached repository https://github.com/RustlangStudyGroup/tile-explorer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65cd2506f1f363834de13f2024fb15ac1d6882e3
[INFO] checking RustlangStudyGroup/tile-explorer against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustlangStudyGroup%2Ftile-explorer" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustlangStudyGroup/tile-explorer on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RustlangStudyGroup/tile-explorer
[INFO] finished tweaking git repo https://github.com/RustlangStudyGroup/tile-explorer
[INFO] tweaked toml for git repo https://github.com/RustlangStudyGroup/tile-explorer written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/RustlangStudyGroup/tile-explorer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8edd6fb4aed7ede978ca1d19d7cdb0c92202e1927df5eac8276c9c0b48d2d8cb
[INFO] running `"docker" "start" "-a" "8edd6fb4aed7ede978ca1d19d7cdb0c92202e1927df5eac8276c9c0b48d2d8cb"`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling xml-rs v0.8.0
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[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
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[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]     Checking interpolation v0.2.0
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[INFO] [stderr]    Compiling libloading v0.5.0
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[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking gif v0.10.1
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[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.11
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[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking dlib v0.4.1
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[INFO] [stderr]    Compiling parking_lot_core v0.4.0
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[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]     Checking rayon v1.0.3
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[INFO] [stderr]    Compiling gl v0.11.0
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[INFO] [stderr]     Checking andrew v0.2.0
[INFO] [stderr]     Checking piston2d-graphics v0.30.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
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[INFO] [stderr]     Checking piston-gfx_texture v0.35.0
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[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:74:16
[INFO] [stderr]    |
[INFO] [stderr] 74 |             if (key == Key::Right) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |             if (key == Key::Left) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:82:16
[INFO] [stderr]    |
[INFO] [stderr] 82 |             if (key == Key::Down) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:86:16
[INFO] [stderr]    |
[INFO] [stderr] 86 |             if (key == Key::Up) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:74:16
[INFO] [stderr]    |
[INFO] [stderr] 74 |             if (key == Key::Right) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |             if (key == Key::Left) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:82:16
[INFO] [stderr]    |
[INFO] [stderr] 82 |             if (key == Key::Down) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:86:16
[INFO] [stderr]    |
[INFO] [stderr] 86 |             if (key == Key::Up) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: function `redrawMap` should have a snake case name
[INFO] [stderr]   --> src/main.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn redrawMap(tiles: &Vec<Vec<i32>>, player_x: &i32, player_y: &i32) {
[INFO] [stderr]    |    ^^^^^^^^^ help: convert the identifier to snake case: `redraw_map`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function `redrawMap` should have a snake case name
[INFO] [stderr]   --> src/main.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn redrawMap(tiles: &Vec<Vec<i32>>, player_x: &i32, player_y: &i32) {
[INFO] [stderr]    |    ^^^^^^^^^ help: convert the identifier to snake case: `redraw_map`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `"docker" "inspect" "8edd6fb4aed7ede978ca1d19d7cdb0c92202e1927df5eac8276c9c0b48d2d8cb"`
[INFO] running `"docker" "rm" "-f" "8edd6fb4aed7ede978ca1d19d7cdb0c92202e1927df5eac8276c9c0b48d2d8cb"`
[INFO] [stdout] 8edd6fb4aed7ede978ca1d19d7cdb0c92202e1927df5eac8276c9c0b48d2d8cb