[INFO] cloning repository https://github.com/michaelsdunn1/bitcoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelsdunn1/bitcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelsdunn1%2Fbitcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelsdunn1%2Fbitcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73c262ebdd755038e08fa132c518922ccbd5c246
[INFO] checking michaelsdunn1/bitcoin against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelsdunn1%2Fbitcoin" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelsdunn1/bitcoin on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelsdunn1/bitcoin
[INFO] finished tweaking git repo https://github.com/michaelsdunn1/bitcoin
[INFO] tweaked toml for git repo https://github.com/michaelsdunn1/bitcoin written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelsdunn1/bitcoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cad02e42be36728bda86926012fd6b571b46fe0a6af4ea4d62dd8a47788bdda
[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" "2cad02e42be36728bda86926012fd6b571b46fe0a6af4ea4d62dd8a47788bdda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cad02e42be36728bda86926012fd6b571b46fe0a6af4ea4d62dd8a47788bdda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cad02e42be36728bda86926012fd6b571b46fe0a6af4ea4d62dd8a47788bdda", kill_on_drop: false }`
[INFO] [stdout] 2cad02e42be36728bda86926012fd6b571b46fe0a6af4ea4d62dd8a47788bdda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03583af69e469e57e9aa7bb4bec4e2426e19c5a4aa83b633e5c4e90e8d230b2f
[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" "03583af69e469e57e9aa7bb4bec4e2426e19c5a4aa83b633e5c4e90e8d230b2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]     Checking base16 v0.1.1
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking generic-array v0.7.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking digest v0.5.2
[INFO] [stderr]     Checking digest-buffer v0.3.1
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking sha2 v0.5.3
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]    Compiling secp256k1 v0.11.1
[INFO] [stderr]     Checking bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Secp256k1`
[INFO] [stdout]   --> src/keys.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::secp256k1::{Secp256k1, SecretKey, PublicKey};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.53s
[INFO] running `Command { std: "docker" "inspect" "03583af69e469e57e9aa7bb4bec4e2426e19c5a4aa83b633e5c4e90e8d230b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03583af69e469e57e9aa7bb4bec4e2426e19c5a4aa83b633e5c4e90e8d230b2f", kill_on_drop: false }`
[INFO] [stdout] 03583af69e469e57e9aa7bb4bec4e2426e19c5a4aa83b633e5c4e90e8d230b2f