[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 try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoelstra%2Fkeyconv" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apoelstra/keyconv on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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-9/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded secp256k1 v0.19.0
[INFO] [stderr]   Downloaded secp256k1 v0.20.1
[INFO] [stderr]   Downloaded secp256k1-sys v0.3.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.0
[INFO] [stderr]   Downloaded bitcoin v0.26.0
[INFO] [stderr]   Downloaded bitcoin v0.25.2
[INFO] [stderr]   Downloaded slip21 v0.2.0
[INFO] [stderr]   Downloaded bitcoin_hashes v0.9.4
[INFO] [stderr]   Downloaded elements v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c32b049c4b09e63b67febb8d0cb01528eebcf5068ed14ee87589b82a14f8e077
[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" "c32b049c4b09e63b67febb8d0cb01528eebcf5068ed14ee87589b82a14f8e077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c32b049c4b09e63b67febb8d0cb01528eebcf5068ed14ee87589b82a14f8e077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32b049c4b09e63b67febb8d0cb01528eebcf5068ed14ee87589b82a14f8e077", kill_on_drop: false }`
[INFO] [stdout] c32b049c4b09e63b67febb8d0cb01528eebcf5068ed14ee87589b82a14f8e077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52664574d4e9ce41047d72d5d3c3c7a77f9d394c669bbb9c339d460a83029b1a
[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" "52664574d4e9ce41047d72d5d3c3c7a77f9d394c669bbb9c339d460a83029b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking bitcoin_hashes v0.9.4
[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 slip21 v0.2.0
[INFO] [stderr]     Checking bitcoin v0.25.2
[INFO] [stderr]     Checking bitcoin v0.26.0
[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 32.13s
[INFO] running `Command { std: "docker" "inspect" "52664574d4e9ce41047d72d5d3c3c7a77f9d394c669bbb9c339d460a83029b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52664574d4e9ce41047d72d5d3c3c7a77f9d394c669bbb9c339d460a83029b1a", kill_on_drop: false }`
[INFO] [stdout] 52664574d4e9ce41047d72d5d3c3c7a77f9d394c669bbb9c339d460a83029b1a