[INFO] cloning repository https://github.com/etscrivner/programmingbitcoin-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etscrivner/programmingbitcoin-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetscrivner%2Fprogrammingbitcoin-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetscrivner%2Fprogrammingbitcoin-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4741bf1d911bcc74fb993e71f3131a0e09f6f5f8
[INFO] checking etscrivner/programmingbitcoin-rust against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetscrivner%2Fprogrammingbitcoin-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/etscrivner/programmingbitcoin-rust on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/etscrivner/programmingbitcoin-rust
[INFO] finished tweaking git repo https://github.com/etscrivner/programmingbitcoin-rust
[INFO] tweaked toml for git repo https://github.com/etscrivner/programmingbitcoin-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/etscrivner/programmingbitcoin-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.2.2
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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] 70026eb0a2f073c81904f397e8ce21d96b8e4031a6b126f3a844346c93d1206f
[INFO] running `Command { std: "docker" "start" "-a" "70026eb0a2f073c81904f397e8ce21d96b8e4031a6b126f3a844346c93d1206f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70026eb0a2f073c81904f397e8ce21d96b8e4031a6b126f3a844346c93d1206f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70026eb0a2f073c81904f397e8ce21d96b8e4031a6b126f3a844346c93d1206f", kill_on_drop: false }`
[INFO] [stdout] 70026eb0a2f073c81904f397e8ce21d96b8e4031a6b126f3a844346c93d1206f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 580a29bd3b98fb04b391d732ebb7274c45b9b30a0baff687fa7b95e87aab0b17
[INFO] running `Command { std: "docker" "start" "-a" "580a29bd3b98fb04b391d732ebb7274c45b9b30a0baff687fa7b95e87aab0b17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.10
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling rug v1.2.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking sha2 v0.8.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "580a29bd3b98fb04b391d732ebb7274c45b9b30a0baff687fa7b95e87aab0b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580a29bd3b98fb04b391d732ebb7274c45b9b30a0baff687fa7b95e87aab0b17", kill_on_drop: false }`
[INFO] [stdout] 580a29bd3b98fb04b391d732ebb7274c45b9b30a0baff687fa7b95e87aab0b17