[INFO] cloning repository https://github.com/ShreyanshBanerjee/chess_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShreyanshBanerjee/chess_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShreyanshBanerjee%2Fchess_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShreyanshBanerjee%2Fchess_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4acda39944b129f2f247c383950be59010074cdd
[INFO] checking ShreyanshBanerjee/chess_engine against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShreyanshBanerjee%2Fchess_engine" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ShreyanshBanerjee/chess_engine
[INFO] finished tweaking git repo https://github.com/ShreyanshBanerjee/chess_engine
[INFO] tweaked toml for git repo https://github.com/ShreyanshBanerjee/chess_engine written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ShreyanshBanerjee/chess_engine on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ShreyanshBanerjee/chess_engine 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" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded unicode-ident v1.0.14
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded chess v3.2.0
[INFO] [stderr]   Downloaded syn v2.0.96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d86a08cd255537721ea5bd59a859f2a0941654ae695dd04b7f84730177b9d06
[INFO] running `Command { std: "docker" "start" "-a" "4d86a08cd255537721ea5bd59a859f2a0941654ae695dd04b7f84730177b9d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d86a08cd255537721ea5bd59a859f2a0941654ae695dd04b7f84730177b9d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d86a08cd255537721ea5bd59a859f2a0941654ae695dd04b7f84730177b9d06", kill_on_drop: false }`
[INFO] [stdout] 4d86a08cd255537721ea5bd59a859f2a0941654ae695dd04b7f84730177b9d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6ea3631b02ec38895a0dffd8563d5639f296c43d40867b7c867e867f30460ab
[INFO] running `Command { std: "docker" "start" "-a" "c6ea3631b02ec38895a0dffd8563d5639f296c43d40867b7c867e867f30460ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]     Checking miniz_oxide v0.8.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]     Checking chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.63s
[INFO] running `Command { std: "docker" "inspect" "c6ea3631b02ec38895a0dffd8563d5639f296c43d40867b7c867e867f30460ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ea3631b02ec38895a0dffd8563d5639f296c43d40867b7c867e867f30460ab", kill_on_drop: false }`
[INFO] [stdout] c6ea3631b02ec38895a0dffd8563d5639f296c43d40867b7c867e867f30460ab