[INFO] cloning repository https://github.com/Bendasch/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bendasch/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBendasch%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBendasch%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aecc217706425ae7a2d983a0fc475efcbde779a5
[INFO] checking Bendasch/rust-chess against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBendasch%2Frust-chess" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bendasch/rust-chess on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bendasch/rust-chess
[INFO] finished tweaking git repo https://github.com/Bendasch/rust-chess
[INFO] tweaked toml for git repo https://github.com/Bendasch/rust-chess written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Bendasch/rust-chess 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.5.0
[INFO] [stderr]   Downloaded wide v0.7.1
[INFO] [stderr]   Downloaded paste v1.0.6
[INFO] [stderr]   Downloaded safe_arch v0.6.0
[INFO] [stderr]   Downloaded libc v0.2.106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc4c10db56f7c44efbcf15c8b539a0310437510ca227d4722e3fb109b262a91b
[INFO] running `Command { std: "docker" "start" "-a" "fc4c10db56f7c44efbcf15c8b539a0310437510ca227d4722e3fb109b262a91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc4c10db56f7c44efbcf15c8b539a0310437510ca227d4722e3fb109b262a91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4c10db56f7c44efbcf15c8b539a0310437510ca227d4722e3fb109b262a91b", kill_on_drop: false }`
[INFO] [stdout] fc4c10db56f7c44efbcf15c8b539a0310437510ca227d4722e3fb109b262a91b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a734de0304289605c51a30c49ce3773f03d2d4c3cce50f90a69d26df4168fb2
[INFO] running `Command { std: "docker" "start" "-a" "0a734de0304289605c51a30c49ce3773f03d2d4c3cce50f90a69d26df4168fb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rust_chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking wide v0.7.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/library/gui/renderer.rs:560:13
[INFO] [stdout]     |
[INFO] [stdout] 560 |             drop(current_state);
[INFO] [stdout]     |             ^^^^^-------------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&game::State`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/library/gui/renderer.rs:560:13
[INFO] [stdout]     |
[INFO] [stdout] 560 |             drop(current_state);
[INFO] [stdout]     |             ^^^^^-------------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&game::State`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.29s
[INFO] running `Command { std: "docker" "inspect" "0a734de0304289605c51a30c49ce3773f03d2d4c3cce50f90a69d26df4168fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a734de0304289605c51a30c49ce3773f03d2d4c3cce50f90a69d26df4168fb2", kill_on_drop: false }`
[INFO] [stdout] 0a734de0304289605c51a30c49ce3773f03d2d4c3cce50f90a69d26df4168fb2
[INFO] checking Bendasch/rust-chess against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBendasch%2Frust-chess" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bendasch/rust-chess on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bendasch/rust-chess
[INFO] finished tweaking git repo https://github.com/Bendasch/rust-chess
[INFO] tweaked toml for git repo https://github.com/Bendasch/rust-chess written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bendasch/rust-chess 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee9b011b123dfa564ad01ca70b7ef337433cc4644fe0dc57ee68292940bece90
[INFO] running `Command { std: "docker" "start" "-a" "ee9b011b123dfa564ad01ca70b7ef337433cc4644fe0dc57ee68292940bece90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee9b011b123dfa564ad01ca70b7ef337433cc4644fe0dc57ee68292940bece90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9b011b123dfa564ad01ca70b7ef337433cc4644fe0dc57ee68292940bece90", kill_on_drop: false }`
[INFO] [stdout] ee9b011b123dfa564ad01ca70b7ef337433cc4644fe0dc57ee68292940bece90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ced59458671bc49bf5c9def0c95a540ff3ead0883389b7f632ccea530d521837
[INFO] running `Command { std: "docker" "start" "-a" "ced59458671bc49bf5c9def0c95a540ff3ead0883389b7f632ccea530d521837", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking wide v0.7.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling rust_chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/library/gui/renderer.rs:560:13
[INFO] [stdout]     |
[INFO] [stdout] 560 |             drop(current_state);
[INFO] [stdout]     |             ^^^^^-------------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&game::State`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/library/gui/renderer.rs:560:13
[INFO] [stdout]     |
[INFO] [stdout] 560 |             drop(current_state);
[INFO] [stdout]     |             ^^^^^-------------^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&game::State`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.98s
[INFO] running `Command { std: "docker" "inspect" "ced59458671bc49bf5c9def0c95a540ff3ead0883389b7f632ccea530d521837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced59458671bc49bf5c9def0c95a540ff3ead0883389b7f632ccea530d521837", kill_on_drop: false }`
[INFO] [stdout] ced59458671bc49bf5c9def0c95a540ff3ead0883389b7f632ccea530d521837