[INFO] cloning repository https://github.com/ignaciomosca/chesschallengerust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ignaciomosca/chesschallengerust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignaciomosca%2Fchesschallengerust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignaciomosca%2Fchesschallengerust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee9dbb6cf96f40860df1aa291d281a1cda7e4abb
[INFO] checking ignaciomosca/chesschallengerust against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignaciomosca%2Fchesschallengerust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ignaciomosca/chesschallengerust on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ignaciomosca/chesschallengerust
[INFO] finished tweaking git repo https://github.com/ignaciomosca/chesschallengerust
[INFO] tweaked toml for git repo https://github.com/ignaciomosca/chesschallengerust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ignaciomosca/chesschallengerust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51c435d85c6e326931ef87c4e8f9fa7938607818dad736573f2dd624fee07aa1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "51c435d85c6e326931ef87c4e8f9fa7938607818dad736573f2dd624fee07aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c435d85c6e326931ef87c4e8f9fa7938607818dad736573f2dd624fee07aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c435d85c6e326931ef87c4e8f9fa7938607818dad736573f2dd624fee07aa1", kill_on_drop: false }`
[INFO] [stdout] 51c435d85c6e326931ef87c4e8f9fa7938607818dad736573f2dd624fee07aa1
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d18277ea2458742c4af6c06854c74e7afd2381e0eca56e2bf6733952f31f27e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d18277ea2458742c4af6c06854c74e7afd2381e0eca56e2bf6733952f31f27e1", kill_on_drop: false }`
[INFO] [stderr]     Checking chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_3x3_board_2K_1R` should have a snake case name
[INFO] [stdout]    --> tests/test_chess.rs:460:4
[INFO] [stdout]     |
[INFO] [stdout] 460 | fn test_3x3_board_2K_1R() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_3x3_board_2_k_1_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_board_4x4_2K_2Q_0B_0R_0N` should have a snake case name
[INFO] [stdout]    --> tests/test_chess.rs:475:4
[INFO] [stdout]     |
[INFO] [stdout] 475 | fn test_board_4x4_2K_2Q_0B_0R_0N() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_board_4x4_2_k_2_q_0_b_0_r_0_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_board_4x4_0K_1Q_0B_2R_0N` should have a snake case name
[INFO] [stdout]    --> tests/test_chess.rs:496:4
[INFO] [stdout]     |
[INFO] [stdout] 496 | fn test_board_4x4_0K_1Q_0B_2R_0N() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_board_4x4_0_k_1_q_0_b_2_r_0_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_board_4x4_0K_2Q_1B_0R_0N` should have a snake case name
[INFO] [stdout]    --> tests/test_chess.rs:511:4
[INFO] [stdout]     |
[INFO] [stdout] 511 | fn test_board_4x4_0K_2Q_1B_0R_0N() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_board_4x4_0_k_2_q_1_b_0_r_0_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_board_4x4_1Q_2R` should have a snake case name
[INFO] [stdout]    --> tests/test_chess.rs:526:4
[INFO] [stdout]     |
[INFO] [stdout] 526 | fn test_board_4x4_1Q_2R() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_board_4x4_1_q_2_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_board_5x5_2K_2Q` should have a snake case name
[INFO] [stdout]    --> tests/test_chess.rs:541:4
[INFO] [stdout]     |
[INFO] [stdout] 541 | fn test_board_5x5_2K_2Q() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_board_5x5_2_k_2_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_board_5x5_1Q_2B` should have a snake case name
[INFO] [stdout]    --> tests/test_chess.rs:561:4
[INFO] [stdout]     |
[INFO] [stdout] 561 | fn test_board_5x5_1Q_2B() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_board_5x5_1_q_2_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_board_5x5_1Q_1B_1R` should have a snake case name
[INFO] [stdout]    --> tests/test_chess.rs:576:4
[INFO] [stdout]     |
[INFO] [stdout] 576 | fn test_board_5x5_1Q_1B_1R() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_board_5x5_1_q_1_b_1_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_board_5x5_2K_2B` should have a snake case name
[INFO] [stdout]    --> tests/test_chess.rs:591:4
[INFO] [stdout]     |
[INFO] [stdout] 591 | fn test_board_5x5_2K_2B() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_board_5x5_2_k_2_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_board_8x8_8Q` should have a snake case name
[INFO] [stdout]    --> tests/test_chess.rs:611:4
[INFO] [stdout]     |
[INFO] [stdout] 611 | fn test_board_8x8_8Q() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_board_8x8_8_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "d18277ea2458742c4af6c06854c74e7afd2381e0eca56e2bf6733952f31f27e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18277ea2458742c4af6c06854c74e7afd2381e0eca56e2bf6733952f31f27e1", kill_on_drop: false }`
[INFO] [stdout] d18277ea2458742c4af6c06854c74e7afd2381e0eca56e2bf6733952f31f27e1