[INFO] cloning repository https://github.com/four18teapot/rs_chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/four18teapot/rs_chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffour18teapot%2Frs_chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffour18teapot%2Frs_chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a169c04b47f740c0e1ebdccdebd2857659c1ce3c
[INFO] checking four18teapot/rs_chess against master#249cb84316401daf040832cdbb8a45e0f5ab6af8 for pr-138438
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffour18teapot%2Frs_chess" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/four18teapot/rs_chess on toolchain 249cb84316401daf040832cdbb8a45e0f5ab6af8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/four18teapot/rs_chess
[INFO] finished tweaking git repo https://github.com/four18teapot/rs_chess
[INFO] tweaked toml for git repo https://github.com/four18teapot/rs_chess written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/four18teapot/rs_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" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15d68cb6ebce1337df35c237c1468c64e04688461fab23a5be0a0153af213070
[INFO] running `Command { std: "docker" "start" "-a" "15d68cb6ebce1337df35c237c1468c64e04688461fab23a5be0a0153af213070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15d68cb6ebce1337df35c237c1468c64e04688461fab23a5be0a0153af213070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d68cb6ebce1337df35c237c1468c64e04688461fab23a5be0a0153af213070", kill_on_drop: false }`
[INFO] [stdout] 15d68cb6ebce1337df35c237c1468c64e04688461fab23a5be0a0153af213070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f9f07f42466b741b972ea3e04679f1e33098e755d722e89eb272a1f81cbea01
[INFO] running `Command { std: "docker" "start" "-a" "3f9f07f42466b741b972ea3e04679f1e33098e755d722e89eb272a1f81cbea01", kill_on_drop: false }`
[INFO] [stderr]     Checking rs_chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]  --> src/hasher.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]  --> src/hasher.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   --> src/hasher.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |         table[piece][sq] = rand::random::<HashKey>();
[INFO] [stdout]    |                            ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `board` of struct `board::Board` is private
[INFO] [stdout]   --> src/hasher.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let piece = b.board[sq];
[INFO] [stdout]    |                       ^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   --> src/hasher.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |         table[piece][sq] = rand::random::<HashKey>();
[INFO] [stdout]    |                            ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `board` of struct `board::Board` is private
[INFO] [stdout]   --> src/hasher.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let piece = b.board[sq];
[INFO] [stdout]    |                       ^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/board.rs:138:10
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut board = BOARD_EMPTY;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/board.rs:138:10
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut board = BOARD_EMPTY;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs_chess` (bin "rs_chess") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rs_chess` (bin "rs_chess" test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3f9f07f42466b741b972ea3e04679f1e33098e755d722e89eb272a1f81cbea01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f9f07f42466b741b972ea3e04679f1e33098e755d722e89eb272a1f81cbea01", kill_on_drop: false }`
[INFO] [stdout] 3f9f07f42466b741b972ea3e04679f1e33098e755d722e89eb272a1f81cbea01