[INFO] fetching crate chess 3.1.1...
[INFO] checking chess-3.1.1 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate chess 3.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate chess 3.1.1 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chess 3.1.1
[INFO] finished tweaking crates.io crate chess 3.1.1
[INFO] tweaked toml for crates.io crate chess 3.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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] ffd75199da4d1c713d66873bf1df75ff25c88f81d0bfe49911354ea919f2d8b8
[INFO] running `Command { std: "docker" "start" "-a" "ffd75199da4d1c713d66873bf1df75ff25c88f81d0bfe49911354ea919f2d8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffd75199da4d1c713d66873bf1df75ff25c88f81d0bfe49911354ea919f2d8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd75199da4d1c713d66873bf1df75ff25c88f81d0bfe49911354ea919f2d8b8", kill_on_drop: false }`
[INFO] [stdout] ffd75199da4d1c713d66873bf1df75ff25c88f81d0bfe49911354ea919f2d8b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58dc32ffd63ab30a99f0f0217b59284c83d016042e81f4e7d663805f085fcf82
[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" "58dc32ffd63ab30a99f0f0217b59284c83d016042e81f4e7d663805f085fcf82", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling chess v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/board.rs:857:35
[INFO] [stdout]     |
[INFO] [stdout] 857 |         let mut result = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/movegen/movegen.rs:229:44
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 let mut bresult = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/movegen/piece_type.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     #[inline(always)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/board.rs:857:35
[INFO] [stdout]     |
[INFO] [stdout] 857 |         let mut result = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/movegen/movegen.rs:229:44
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 let mut bresult = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/movegen/movegen.rs:255:44
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 let mut bresult = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/movegen/movegen.rs:261:44
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let mut bresult = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/movegen/piece_type.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     #[inline(always)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Board` does not permit being left uninitialized
[INFO] [stdout]    --> src/board.rs:857:35
[INFO] [stdout]     |
[INFO] [stdout] 857 |         let mut result = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   this code causes undefined behavior when executed
[INFO] [stdout]     |                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> src/color.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / pub enum Color {
[INFO] [stdout] 7   | |     White,
[INFO] [stdout] 8   | |     Black,
[INFO] [stdout] 9   | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Board` does not permit being left uninitialized
[INFO] [stdout]    --> src/board.rs:857:35
[INFO] [stdout]     |
[INFO] [stdout] 857 |         let mut result = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   this code causes undefined behavior when executed
[INFO] [stdout]     |                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> src/color.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / pub enum Color {
[INFO] [stdout] 7   | |     White,
[INFO] [stdout] 8   | |     Black,
[INFO] [stdout] 9   | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Board` does not permit being left uninitialized
[INFO] [stdout]    --> src/movegen/movegen.rs:229:44
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 let mut bresult = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            this code causes undefined behavior when executed
[INFO] [stdout]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> src/color.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / pub enum Color {
[INFO] [stdout] 7   | |     White,
[INFO] [stdout] 8   | |     Black,
[INFO] [stdout] 9   | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Board` does not permit being left uninitialized
[INFO] [stdout]    --> src/movegen/movegen.rs:229:44
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 let mut bresult = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            this code causes undefined behavior when executed
[INFO] [stdout]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> src/color.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / pub enum Color {
[INFO] [stdout] 7   | |     White,
[INFO] [stdout] 8   | |     Black,
[INFO] [stdout] 9   | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Board` does not permit being left uninitialized
[INFO] [stdout]    --> src/movegen/movegen.rs:255:44
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 let mut bresult = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            this code causes undefined behavior when executed
[INFO] [stdout]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> src/color.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / pub enum Color {
[INFO] [stdout] 7   | |     White,
[INFO] [stdout] 8   | |     Black,
[INFO] [stdout] 9   | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Board` does not permit being left uninitialized
[INFO] [stdout]    --> src/movegen/movegen.rs:261:44
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let mut bresult = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            this code causes undefined behavior when executed
[INFO] [stdout]     |                                            help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> src/color.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / pub enum Color {
[INFO] [stdout] 7   | |     White,
[INFO] [stdout] 8   | |     Black,
[INFO] [stdout] 9   | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3m 41s
[INFO] running `Command { std: "docker" "inspect" "58dc32ffd63ab30a99f0f0217b59284c83d016042e81f4e7d663805f085fcf82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58dc32ffd63ab30a99f0f0217b59284c83d016042e81f4e7d663805f085fcf82", kill_on_drop: false }`
[INFO] [stdout] 58dc32ffd63ab30a99f0f0217b59284c83d016042e81f4e7d663805f085fcf82