[INFO] cloning repository https://github.com/thisisian/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thisisian/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthisisian%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthisisian%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c45ddf334e750c2ae075c0f43f8030440b6cde0
[INFO] testing thisisian/chess against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthisisian%2Fchess" "/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/thisisian/chess on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thisisian/chess
[INFO] finished tweaking git repo https://github.com/thisisian/chess
[INFO] tweaked toml for git repo https://github.com/thisisian/chess written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/thisisian/chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 477014d5d07abafa8902c2c5c9749bc0b64f2a377fbd168677ce2fec1303e713
[INFO] running `Command { std: "docker" "start" "-a" "477014d5d07abafa8902c2c5c9749bc0b64f2a377fbd168677ce2fec1303e713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "477014d5d07abafa8902c2c5c9749bc0b64f2a377fbd168677ce2fec1303e713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477014d5d07abafa8902c2c5c9749bc0b64f2a377fbd168677ce2fec1303e713", kill_on_drop: false }`
[INFO] [stdout] 477014d5d07abafa8902c2c5c9749bc0b64f2a377fbd168677ce2fec1303e713
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--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] 5a91eaa8bb3b248034bfef73b116eb2c575b535c95b46d686d9f9eaa7be81bb6
[INFO] running `Command { std: "docker" "start" "-a" "5a91eaa8bb3b248034bfef73b116eb2c575b535c95b46d686d9f9eaa7be81bb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/fen.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/bitboard.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn get_file(&self, file: File) -> RankBits {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.38s
[INFO] running `Command { std: "docker" "inspect" "5a91eaa8bb3b248034bfef73b116eb2c575b535c95b46d686d9f9eaa7be81bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a91eaa8bb3b248034bfef73b116eb2c575b535c95b46d686d9f9eaa7be81bb6", kill_on_drop: false }`
[INFO] [stdout] 5a91eaa8bb3b248034bfef73b116eb2c575b535c95b46d686d9f9eaa7be81bb6
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff537fd44087c3d2882ecb2bba7bb5c5340ccb241d872e5ee7a01c4cdd1daade
[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" "ff537fd44087c3d2882ecb2bba7bb5c5340ccb241d872e5ee7a01c4cdd1daade", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/fen.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/bitboard.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn get_file(&self, file: File) -> RankBits {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "ff537fd44087c3d2882ecb2bba7bb5c5340ccb241d872e5ee7a01c4cdd1daade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff537fd44087c3d2882ecb2bba7bb5c5340ccb241d872e5ee7a01c4cdd1daade", kill_on_drop: false }`
[INFO] [stdout] ff537fd44087c3d2882ecb2bba7bb5c5340ccb241d872e5ee7a01c4cdd1daade
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06ccd210508bfef422efe78afdd4eb04fc7e43d6d3a30d3184f088cd1454dca5
[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" "06ccd210508bfef422efe78afdd4eb04fc7e43d6d3a30d3184f088cd1454dca5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/fen.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/bitboard.rs:43:28
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn get_file(&self, file: File) -> RankBits {
[INFO] [stderr]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chess` (bin "chess" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess-eea17e1c4c4877e8)
[INFO] [stdout] running 19 tests
[INFO] [stdout] test bitboard::tests::disjoint_tests ... ok
[INFO] [stdout] test bitboard::tests::pretty_string_should_print_allbits ... ok
[INFO] [stdout] test bitboard::tests::pretty_string_should_show_first_bit ... ok
[INFO] [stdout] test rnd::tests::should_match_reference ... ok
[INFO] [stdout] test rnd::tests::splitmix_should_match_reference ... ok
[INFO] [stdout] test utils::tests::count_bits_1_1 ... ok
[INFO] [stdout] test utils::tests::count_bits_2_1 ... ok
[INFO] [stdout] test bitboard::tests::pretty_string_should_show_last_bit ... ok
[INFO] [stdout] test bitboard::tests::subset_tests ... ok
[INFO] [stdout] test utils::tests::count_bits_33 ... ok
[INFO] [stdout] test bitboard::tests::get_rank_tests ... ok
[INFO] [stdout] test utils::tests::count_bits_e_3 ... ok
[INFO] [stdout] test board::tests::bbps_pretty_print_start ... ok
[INFO] [stdout] test utils::tests::count_bits_max_64 ... ok
[INFO] [stdout] test board::tests::bbps_sould_fail_duplicate ... ok
[INFO] [stdout] test board::tests::bbps_sould_fail_on_empty ... ok
[INFO] [stdout] test utils::tests::count_bits_max_min_1_63 ... ok
[INFO] [stdout] test utils::tests::count_bits_max_min_es_48 ... ok
[INFO] [stdout] test utils::tests::count_bits_zero_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06ccd210508bfef422efe78afdd4eb04fc7e43d6d3a30d3184f088cd1454dca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ccd210508bfef422efe78afdd4eb04fc7e43d6d3a30d3184f088cd1454dca5", kill_on_drop: false }`
[INFO] [stdout] 06ccd210508bfef422efe78afdd4eb04fc7e43d6d3a30d3184f088cd1454dca5