[INFO] cloning repository https://github.com/apoelstra/keyconv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apoelstra/keyconv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoelstra%2Fkeyconv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoelstra%2Fkeyconv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fa9b58e2d9cb566e469ac82329ffd8ed722b8b2
[INFO] checking apoelstra/keyconv against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoelstra%2Fkeyconv" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apoelstra/keyconv on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/apoelstra/keyconv
[INFO] finished tweaking git repo https://github.com/apoelstra/keyconv
[INFO] tweaked toml for git repo https://github.com/apoelstra/keyconv written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/apoelstra/keyconv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb902eb6d755fafc8e92068625b38248c3a9321a950ab2336ed6e4a1437ab76b
[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" "bb902eb6d755fafc8e92068625b38248c3a9321a950ab2336ed6e4a1437ab76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb902eb6d755fafc8e92068625b38248c3a9321a950ab2336ed6e4a1437ab76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb902eb6d755fafc8e92068625b38248c3a9321a950ab2336ed6e4a1437ab76b", kill_on_drop: false }`
[INFO] [stdout] bb902eb6d755fafc8e92068625b38248c3a9321a950ab2336ed6e4a1437ab76b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 197a1bef63fd686df23f50f8249b718069d03239549c31f078e6cbfdcc72bc7b
[INFO] running `Command { std: "docker" "start" "-a" "197a1bef63fd686df23f50f8249b718069d03239549c31f078e6cbfdcc72bc7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking bitcoin_hashes v0.9.4
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]     Checking secp256k1 v0.19.0
[INFO] [stderr]     Checking secp256k1 v0.20.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking bitcoin v0.25.2
[INFO] [stderr]     Checking bitcoin v0.26.0
[INFO] [stderr]     Checking slip21 v0.2.0
[INFO] [stderr]     Checking elements v0.15.0
[INFO] [stderr]     Checking keyconv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.01s
[INFO] running `Command { std: "docker" "inspect" "197a1bef63fd686df23f50f8249b718069d03239549c31f078e6cbfdcc72bc7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197a1bef63fd686df23f50f8249b718069d03239549c31f078e6cbfdcc72bc7b", kill_on_drop: false }`
[INFO] [stdout] 197a1bef63fd686df23f50f8249b718069d03239549c31f078e6cbfdcc72bc7b