[INFO] fetching crate rusty-paper-wallet 0.6.0...
[INFO] checking rusty-paper-wallet-0.6.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate rusty-paper-wallet 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rusty-paper-wallet 0.6.0 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-paper-wallet 0.6.0
[INFO] finished tweaking crates.io crate rusty-paper-wallet 0.6.0
[INFO] tweaked toml for crates.io crate rusty-paper-wallet 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rusty-paper-wallet 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded secp256k1-sys v0.3.0
[INFO] [stderr]   Downloaded bitcoin v0.25.2
[INFO] [stderr]   Downloaded bmp-monochrome v1.0.0
[INFO] [stderr]   Downloaded secp256k1 v0.19.0
[INFO] [stderr]   Downloaded bech32 v0.7.2
[INFO] [stderr]   Downloaded cc v1.0.41
[INFO] [stderr]   Downloaded bitcoin_hashes v0.9.0
[INFO] [stderr]   Downloaded qr_code v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 822233e48e475bf591cb1c4316461e49825ae889703e5fbdecdf8fbd8acf3546
[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" "822233e48e475bf591cb1c4316461e49825ae889703e5fbdecdf8fbd8acf3546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "822233e48e475bf591cb1c4316461e49825ae889703e5fbdecdf8fbd8acf3546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822233e48e475bf591cb1c4316461e49825ae889703e5fbdecdf8fbd8acf3546", kill_on_drop: false }`
[INFO] [stdout] 822233e48e475bf591cb1c4316461e49825ae889703e5fbdecdf8fbd8acf3546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aee6734d63b380baf6c24a40be573ef2401174235ac91085a6e997c11ced9de4
[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" "aee6734d63b380baf6c24a40be573ef2401174235ac91085a6e997c11ced9de4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking bitcoin_hashes v0.9.0
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking bmp-monochrome v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking qr_code v1.0.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]     Checking secp256k1 v0.19.0
[INFO] [stderr]     Checking bitcoin v0.25.2
[INFO] [stderr]     Checking rusty-paper-wallet v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.56s
[INFO] running `Command { std: "docker" "inspect" "aee6734d63b380baf6c24a40be573ef2401174235ac91085a6e997c11ced9de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee6734d63b380baf6c24a40be573ef2401174235ac91085a6e997c11ced9de4", kill_on_drop: false }`
[INFO] [stdout] aee6734d63b380baf6c24a40be573ef2401174235ac91085a6e997c11ced9de4