[INFO] fetching crate finalfrontier-utils 0.6.2...
[INFO] checking finalfrontier-utils-0.6.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate finalfrontier-utils 0.6.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate finalfrontier-utils 0.6.2 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-0/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded num_cpus v1.11.0
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded ndarray-rand v0.9.0
[INFO] [stderr]   Downloaded toml v0.5.5
[INFO] [stderr]   Downloaded synstructure v0.12.2
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded lazy-init v0.3.0
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded conllx v0.11.2
[INFO] [stderr]   Downloaded number_prefix v0.2.8
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] [stderr]   Downloaded stdinout v0.4.0
[INFO] [stderr]   Downloaded indicatif v0.11.0
[INFO] [stderr]   Downloaded ndarray-parallel v0.9.1
[INFO] [stderr]   Downloaded finalfrontier v0.6.2
[INFO] [stderr]   Downloaded reductive v0.2.0
[INFO] [stderr]   Downloaded zipf v5.0.1
[INFO] [stderr]   Downloaded finalfusion v0.7.1
[INFO] [stderr]   Downloaded hogwild v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] a4750e22c7ee4dfff2e2b1ab62f21011d5c96ad75436347fee38d353f9dc31b8
[INFO] running `Command { std: "docker" "start" "-a" "a4750e22c7ee4dfff2e2b1ab62f21011d5c96ad75436347fee38d353f9dc31b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4750e22c7ee4dfff2e2b1ab62f21011d5c96ad75436347fee38d353f9dc31b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4750e22c7ee4dfff2e2b1ab62f21011d5c96ad75436347fee38d353f9dc31b8", kill_on_drop: false }`
[INFO] [stdout] a4750e22c7ee4dfff2e2b1ab62f21011d5c96ad75436347fee38d353f9dc31b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ab1cc97e522ef9b0cf80ff2e115ac59fdf864cb7fea37ee591d5cc7d6c9628e
[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" "9ab1cc97e522ef9b0cf80ff2e115ac59fdf864cb7fea37ee591d5cc7d6c9628e", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking lazy-init v0.3.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking stdinout v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking zipf v5.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking ndarray-parallel v0.9.1
[INFO] [stderr]     Checking ndarray-rand v0.9.0
[INFO] [stderr]     Checking hogwild v0.6.1
[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 1m 05s
[INFO] running `Command { std: "docker" "inspect" "9ab1cc97e522ef9b0cf80ff2e115ac59fdf864cb7fea37ee591d5cc7d6c9628e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab1cc97e522ef9b0cf80ff2e115ac59fdf864cb7fea37ee591d5cc7d6c9628e", kill_on_drop: false }`
[INFO] [stdout] 9ab1cc97e522ef9b0cf80ff2e115ac59fdf864cb7fea37ee591d5cc7d6c9628e