[INFO] cloning repository https://github.com/itotallyrock/oxide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itotallyrock/oxide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitotallyrock%2Foxide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitotallyrock%2Foxide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8559e39c0892900b222f132bc27c6d1b265d80a6
[INFO] checking itotallyrock/oxide against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitotallyrock%2Foxide" "/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/itotallyrock/oxide 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/itotallyrock/oxide
[INFO] finished tweaking git repo https://github.com/itotallyrock/oxide
[INFO] tweaked toml for git repo https://github.com/itotallyrock/oxide written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/itotallyrock/oxide 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e1a52b41ed6ec37ae4edc8d8c0291f1813a6d7a2aec7e907f78edfe84dcb1371
[INFO] running `Command { std: "docker" "start" "-a" "e1a52b41ed6ec37ae4edc8d8c0291f1813a6d7a2aec7e907f78edfe84dcb1371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1a52b41ed6ec37ae4edc8d8c0291f1813a6d7a2aec7e907f78edfe84dcb1371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a52b41ed6ec37ae4edc8d8c0291f1813a6d7a2aec7e907f78edfe84dcb1371", kill_on_drop: false }`
[INFO] [stdout] e1a52b41ed6ec37ae4edc8d8c0291f1813a6d7a2aec7e907f78edfe84dcb1371
[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] e559ab1196b5b1d8b19bbf5ecec60f83a632f38bff45e38dfec2515e4d92144b
[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" "e559ab1196b5b1d8b19bbf5ecec60f83a632f38bff45e38dfec2515e4d92144b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.25
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking oxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::bitboard::Bitboard`
[INFO] [stdout]   --> src/position.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::bitboard::Bitboard;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/board.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/board.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bitboard::Bitboard`
[INFO] [stdout]   --> src/position.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::bitboard::Bitboard;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/board.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bitboard.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn file_fill(mut self) -> Self {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bitboard.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn file_fill(mut self) -> Self {
[INFO] [stdout]     |                  ----^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unmake_black_king_castle_works`
[INFO] [stdout]    --> src/board.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn unmake_black_king_castle_works() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.40s
[INFO] running `Command { std: "docker" "inspect" "e559ab1196b5b1d8b19bbf5ecec60f83a632f38bff45e38dfec2515e4d92144b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e559ab1196b5b1d8b19bbf5ecec60f83a632f38bff45e38dfec2515e4d92144b", kill_on_drop: false }`
[INFO] [stdout] e559ab1196b5b1d8b19bbf5ecec60f83a632f38bff45e38dfec2515e4d92144b