[INFO] crate witnet-vanity 0.1.0 is already in cache
[INFO] testing witnet-vanity-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate witnet-vanity 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate witnet-vanity 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate witnet-vanity 0.1.0
[INFO] finished tweaking crates.io crate witnet-vanity 0.1.0
[INFO] tweaked toml for crates.io crate witnet-vanity 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate witnet-vanity 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] e1e68d4f3d4ce15681feaf15e87d2a3ac98f2a639f36aab6c6ef41344801811f
[INFO] running `Command { std: "docker" "start" "-a" "e1e68d4f3d4ce15681feaf15e87d2a3ac98f2a639f36aab6c6ef41344801811f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1e68d4f3d4ce15681feaf15e87d2a3ac98f2a639f36aab6c6ef41344801811f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e68d4f3d4ce15681feaf15e87d2a3ac98f2a639f36aab6c6ef41344801811f", kill_on_drop: false }`
[INFO] [stdout] e1e68d4f3d4ce15681feaf15e87d2a3ac98f2a639f36aab6c6ef41344801811f
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9322c8d4d1b68415696e8af3361d419da80cf2c906dba73fd0e2fa2ccb101bce
[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" "9322c8d4d1b68415696e8af3361d419da80cf2c906dba73fd0e2fa2ccb101bce", kill_on_drop: false }`
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling bech32 v0.7.2
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling terminal_size v0.1.12
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling indicatif v0.14.0
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]    Compiling witnet-vanity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.42s
[INFO] running `Command { std: "docker" "inspect" "9322c8d4d1b68415696e8af3361d419da80cf2c906dba73fd0e2fa2ccb101bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9322c8d4d1b68415696e8af3361d419da80cf2c906dba73fd0e2fa2ccb101bce", kill_on_drop: false }`
[INFO] [stdout] 9322c8d4d1b68415696e8af3361d419da80cf2c906dba73fd0e2fa2ccb101bce
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 533b0e9fec2c7a2a856c6380bf74aca1b1f95a4557cb1445e6aa157e4da4a532
[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" "533b0e9fec2c7a2a856c6380bf74aca1b1f95a4557cb1445e6aa157e4da4a532", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling witnet-vanity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "533b0e9fec2c7a2a856c6380bf74aca1b1f95a4557cb1445e6aa157e4da4a532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533b0e9fec2c7a2a856c6380bf74aca1b1f95a4557cb1445e6aa157e4da4a532", kill_on_drop: false }`
[INFO] [stdout] 533b0e9fec2c7a2a856c6380bf74aca1b1f95a4557cb1445e6aa157e4da4a532
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8e8d6dbbda716f2961b7fb7f2663f6b954d9c441a075987dff0c8fc94cf5d62
[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" "c8e8d6dbbda716f2961b7fb7f2663f6b954d9c441a075987dff0c8fc94cf5d62", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/witnet_vanity-f7a8e68453dcbd39
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c8e8d6dbbda716f2961b7fb7f2663f6b954d9c441a075987dff0c8fc94cf5d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e8d6dbbda716f2961b7fb7f2663f6b954d9c441a075987dff0c8fc94cf5d62", kill_on_drop: false }`
[INFO] [stdout] c8e8d6dbbda716f2961b7fb7f2663f6b954d9c441a075987dff0c8fc94cf5d62