[INFO] fetching crate meow-vanity 0.4.10...
[INFO] checking meow-vanity-0.4.10 against beta for pr-78714
[INFO] extracting crate meow-vanity 0.4.10 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate meow-vanity 0.4.10 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 crates.io crate meow-vanity 0.4.10
[INFO] finished tweaking crates.io crate meow-vanity 0.4.10
[INFO] tweaked toml for crates.io crate meow-vanity 0.4.10 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate meow-vanity 0.4.10 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 37b6a02770fab82499efead285cdc7a9ecc1d524cea627959071a64c13956ffa
[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" "37b6a02770fab82499efead285cdc7a9ecc1d524cea627959071a64c13956ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b6a02770fab82499efead285cdc7a9ecc1d524cea627959071a64c13956ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b6a02770fab82499efead285cdc7a9ecc1d524cea627959071a64c13956ffa", kill_on_drop: false }`
[INFO] [stdout] 37b6a02770fab82499efead285cdc7a9ecc1d524cea627959071a64c13956ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1fe92bab5e03e65b3af51e2381f997b85d00c1c4f0fd4d6a10615e64c0baf1b7
[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" "1fe92bab5e03e65b3af51e2381f997b85d00c1c4f0fd4d6a10615e64c0baf1b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking qutex v0.2.3
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling ocl-core v0.11.2
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking ocl-core-vector v0.1.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ocl v0.19.3
[INFO] [stderr]     Checking meow-vanity v0.4.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.50s
[INFO] running `Command { std: "docker" "inspect" "1fe92bab5e03e65b3af51e2381f997b85d00c1c4f0fd4d6a10615e64c0baf1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe92bab5e03e65b3af51e2381f997b85d00c1c4f0fd4d6a10615e64c0baf1b7", kill_on_drop: false }`
[INFO] [stdout] 1fe92bab5e03e65b3af51e2381f997b85d00c1c4f0fd4d6a10615e64c0baf1b7