[INFO] fetching crate flake 0.0.1...
[INFO] checking flake-0.0.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate flake 0.0.1 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate flake 0.0.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flake 0.0.1
[INFO] finished tweaking crates.io crate flake 0.0.1
[INFO] tweaked toml for crates.io crate flake 0.0.1 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4e6f18486f7ad7d38ee77f3419ca99f1a527048d0a0db8158abbdd8dcb4dccd
[INFO] running `Command { std: "docker" "start" "-a" "d4e6f18486f7ad7d38ee77f3419ca99f1a527048d0a0db8158abbdd8dcb4dccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4e6f18486f7ad7d38ee77f3419ca99f1a527048d0a0db8158abbdd8dcb4dccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e6f18486f7ad7d38ee77f3419ca99f1a527048d0a0db8158abbdd8dcb4dccd", kill_on_drop: false }`
[INFO] [stdout] d4e6f18486f7ad7d38ee77f3419ca99f1a527048d0a0db8158abbdd8dcb4dccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 565f3f7beb7fe6398cb1e72b80369832088943973f0836f635381fff93372fb8
[INFO] running `Command { std: "docker" "start" "-a" "565f3f7beb7fe6398cb1e72b80369832088943973f0836f635381fff93372fb8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking flake v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `TIMESTAMP_MASK`
[INFO] [stdout]  --> src/tests/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const TIMESTAMP_MASK: u64 = 0xFFFFFFFFFFC00000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "565f3f7beb7fe6398cb1e72b80369832088943973f0836f635381fff93372fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565f3f7beb7fe6398cb1e72b80369832088943973f0836f635381fff93372fb8", kill_on_drop: false }`
[INFO] [stdout] 565f3f7beb7fe6398cb1e72b80369832088943973f0836f635381fff93372fb8
