[INFO] fetching crate nano-vanity 0.4.10...
[INFO] checking nano-vanity-0.4.10 against beta for pr-78714
[INFO] extracting crate nano-vanity 0.4.10 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nano-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 nano-vanity 0.4.10
[INFO] finished tweaking crates.io crate nano-vanity 0.4.10
[INFO] tweaked toml for crates.io crate nano-vanity 0.4.10 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate nano-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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e97555fbbc19e8cfafa7f45bc1f8a2ece7df3bc233ed5af483350d7ca53a2257
[INFO] running `Command { std: "docker" "start" "-a" "e97555fbbc19e8cfafa7f45bc1f8a2ece7df3bc233ed5af483350d7ca53a2257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e97555fbbc19e8cfafa7f45bc1f8a2ece7df3bc233ed5af483350d7ca53a2257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97555fbbc19e8cfafa7f45bc1f8a2ece7df3bc233ed5af483350d7ca53a2257", kill_on_drop: false }`
[INFO] [stdout] e97555fbbc19e8cfafa7f45bc1f8a2ece7df3bc233ed5af483350d7ca53a2257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7fb724bab16bf9ec50c16ae5aa0028413070cc41c4e4d72bd70ee8da3c5e84f0
[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" "7fb724bab16bf9ec50c16ae5aa0028413070cc41c4e4d72bd70ee8da3c5e84f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking hex v0.3.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking cl-sys v0.4.2
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-complex v0.1.42
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking blake2 v0.7.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking qutex v0.2.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.1
[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 v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking ocl-core v0.11.2
[INFO] [stderr]     Checking ocl v0.19.3
[INFO] [stderr]     Checking nano-vanity v0.4.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.32s
[INFO] running `Command { std: "docker" "inspect" "7fb724bab16bf9ec50c16ae5aa0028413070cc41c4e4d72bd70ee8da3c5e84f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb724bab16bf9ec50c16ae5aa0028413070cc41c4e4d72bd70ee8da3c5e84f0", kill_on_drop: false }`
[INFO] [stdout] 7fb724bab16bf9ec50c16ae5aa0028413070cc41c4e4d72bd70ee8da3c5e84f0