[INFO] fetching crate finalfrontier-utils 0.6.2...
[INFO] checking finalfrontier-utils-0.6.2 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate finalfrontier-utils 0.6.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate finalfrontier-utils 0.6.2 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate finalfrontier-utils 0.6.2
[INFO] finished tweaking crates.io crate finalfrontier-utils 0.6.2
[INFO] tweaked toml for crates.io crate finalfrontier-utils 0.6.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate finalfrontier-utils 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy-init v0.3.0
[INFO] [stderr]   Downloaded conllx v0.11.2
[INFO] [stderr]   Downloaded ndarray-parallel v0.9.1
[INFO] [stderr]   Downloaded hogwild v0.6.1
[INFO] [stderr]   Downloaded reductive v0.2.0
[INFO] [stderr]   Downloaded zipf v5.0.1
[INFO] [stderr]   Downloaded finalfrontier v0.6.2
[INFO] [stderr]   Downloaded finalfusion v0.7.1
[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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] fee8897affe2ca30f593d4cfe1e3a0b6b12bfd623e963658f06fe0a8ef45b5c3
[INFO] running `Command { std: "docker" "start" "-a" "fee8897affe2ca30f593d4cfe1e3a0b6b12bfd623e963658f06fe0a8ef45b5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fee8897affe2ca30f593d4cfe1e3a0b6b12bfd623e963658f06fe0a8ef45b5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee8897affe2ca30f593d4cfe1e3a0b6b12bfd623e963658f06fe0a8ef45b5c3", kill_on_drop: false }`
[INFO] [stdout] fee8897affe2ca30f593d4cfe1e3a0b6b12bfd623e963658f06fe0a8ef45b5c3
[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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74c8c742bd901df5d1df9acece21118a8088547bd92074db22ffd1089e2454d8
[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" "74c8c742bd901df5d1df9acece21118a8088547bd92074db22ffd1089e2454d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking lazy-init v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking zipf v5.0.1
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]     Checking ndarray-parallel v0.9.1
[INFO] [stderr]     Checking hogwild v0.6.1
[INFO] [stderr]     Checking ndarray-rand v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking reductive v0.2.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking conllx v0.11.2
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking finalfusion v0.7.1
[INFO] [stderr]     Checking finalfrontier v0.6.2
[INFO] [stderr]     Checking finalfrontier-utils v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.45s
[INFO] running `Command { std: "docker" "inspect" "74c8c742bd901df5d1df9acece21118a8088547bd92074db22ffd1089e2454d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c8c742bd901df5d1df9acece21118a8088547bd92074db22ffd1089e2454d8", kill_on_drop: false }`
[INFO] [stdout] 74c8c742bd901df5d1df9acece21118a8088547bd92074db22ffd1089e2454d8