[INFO] cloning repository https://github.com/aelred/skakoui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aelred/skakoui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faelred%2Fskakoui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faelred%2Fskakoui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51f4e730c86ddf6d22e0a9e766231c6429b955ce
[INFO] checking aelred/skakoui against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faelred%2Fskakoui" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aelred/skakoui 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/aelred/skakoui
[INFO] finished tweaking git repo https://github.com/aelred/skakoui
[INFO] tweaked toml for git repo https://github.com/aelred/skakoui written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/aelred/skakoui 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-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5622884e397732a5836fc6545c0c6be8d193ca32c01f260eb5f31b17e5474285
[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" "5622884e397732a5836fc6545c0c6be8d193ca32c01f260eb5f31b17e5474285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5622884e397732a5836fc6545c0c6be8d193ca32c01f260eb5f31b17e5474285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5622884e397732a5836fc6545c0c6be8d193ca32c01f260eb5f31b17e5474285", kill_on_drop: false }`
[INFO] [stdout] 5622884e397732a5836fc6545c0c6be8d193ca32c01f260eb5f31b17e5474285
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8749f2fa4f193591c8b99ac3008ab1ea70e162eaaa223a8545f87151350f281d
[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" "8749f2fa4f193591c8b99ac3008ab1ea70e162eaaa223a8545f87151350f281d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]     Checking reexport-proc-macro v1.0.5
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling enum-map-derive v0.4.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking skakoui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] warning: variant is never constructed: `Spin`
[INFO] [stdout]    --> src/bin/uci.rs:316:5
[INFO] [stdout]     |
[INFO] [stdout] 316 |     Spin,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Combo`
[INFO] [stdout]    --> src/bin/uci.rs:317:5
[INFO] [stdout]     |
[INFO] [stdout] 317 |     Combo,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Button`
[INFO] [stdout]    --> src/bin/uci.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 318 |     Button,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]    --> src/bin/uci.rs:319:5
[INFO] [stdout]     |
[INFO] [stdout] 319 |     String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Spin`
[INFO] [stdout]    --> src/bin/uci.rs:316:5
[INFO] [stdout]     |
[INFO] [stdout] 316 |     Spin,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Combo`
[INFO] [stdout]    --> src/bin/uci.rs:317:5
[INFO] [stdout]     |
[INFO] [stdout] 317 |     Combo,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Button`
[INFO] [stdout]    --> src/bin/uci.rs:318:5
[INFO] [stdout]     |
[INFO] [stdout] 318 |     Button,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]    --> src/bin/uci.rs:319:5
[INFO] [stdout]     |
[INFO] [stdout] 319 |     String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "8749f2fa4f193591c8b99ac3008ab1ea70e162eaaa223a8545f87151350f281d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8749f2fa4f193591c8b99ac3008ab1ea70e162eaaa223a8545f87151350f281d", kill_on_drop: false }`
[INFO] [stdout] 8749f2fa4f193591c8b99ac3008ab1ea70e162eaaa223a8545f87151350f281d