[INFO] fetching crate aflak_primitives 0.0.3...
[INFO] checking aflak_primitives-0.0.3 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate aflak_primitives 0.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate aflak_primitives 0.0.3 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aflak_primitives 0.0.3
[INFO] finished tweaking crates.io crate aflak_primitives 0.0.3
[INFO] tweaked toml for crates.io crate aflak_primitives 0.0.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray v0.11.2
[INFO] [stderr]   Downloaded variant_name v0.0.1
[INFO] [stderr]   Downloaded aflak_cake v0.0.3
[INFO] [stderr]   Downloaded fitrs v0.2.6
[INFO] [stderr]   Downloaded variant_name_derive v0.0.1
[INFO] [stderr]   Downloaded boow v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] 3ff44b9b0ed5290690bd314d7d4369963b2f643204ec7a6e3dd96e05e191b2bd
[INFO] running `Command { std: "docker" "start" "-a" "3ff44b9b0ed5290690bd314d7d4369963b2f643204ec7a6e3dd96e05e191b2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ff44b9b0ed5290690bd314d7d4369963b2f643204ec7a6e3dd96e05e191b2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff44b9b0ed5290690bd314d7d4369963b2f643204ec7a6e3dd96e05e191b2bd", kill_on_drop: false }`
[INFO] [stdout] 3ff44b9b0ed5290690bd314d7d4369963b2f643204ec7a6e3dd96e05e191b2bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 555f1983f0ac6140ac6a0ec9211b3c71a39f717abbb066fb6d91a9b1bec60f5f
[INFO] running `Command { std: "docker" "start" "-a" "555f1983f0ac6140ac6a0ec9211b3c71a39f717abbb066fb6d91a9b1bec60f5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]     Checking variant_name v0.0.1
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking boow v0.1.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking fitrs v0.2.6
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling variant_name_derive v0.0.1
[INFO] [stderr]     Checking aflak_cake v0.0.3
[INFO] [stderr]     Checking aflak_primitives v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.84s
[INFO] running `Command { std: "docker" "inspect" "555f1983f0ac6140ac6a0ec9211b3c71a39f717abbb066fb6d91a9b1bec60f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555f1983f0ac6140ac6a0ec9211b3c71a39f717abbb066fb6d91a9b1bec60f5f", kill_on_drop: false }`
[INFO] [stdout] 555f1983f0ac6140ac6a0ec9211b3c71a39f717abbb066fb6d91a9b1bec60f5f