[INFO] cloning repository https://github.com/tetcoin-staging/safe-mix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetcoin-staging/safe-mix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin-staging%2Fsafe-mix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin-staging%2Fsafe-mix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8e9602d33b61dcee43b0793a59c290a203446f2
[INFO] checking tetcoin-staging/safe-mix against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin-staging%2Fsafe-mix" "/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/tetcoin-staging/safe-mix on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tetcoin-staging/safe-mix
[INFO] finished tweaking git repo https://github.com/tetcoin-staging/safe-mix
[INFO] tweaked toml for git repo https://github.com/tetcoin-staging/safe-mix written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tetcoin-staging/safe-mix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 462e1cc98ba611a5cfffc8e338fb1d543e1c2428104121fb16f6e6a2474ab604
[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" "462e1cc98ba611a5cfffc8e338fb1d543e1c2428104121fb16f6e6a2474ab604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "462e1cc98ba611a5cfffc8e338fb1d543e1c2428104121fb16f6e6a2474ab604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462e1cc98ba611a5cfffc8e338fb1d543e1c2428104121fb16f6e6a2474ab604", kill_on_drop: false }`
[INFO] [stdout] 462e1cc98ba611a5cfffc8e338fb1d543e1c2428104121fb16f6e6a2474ab604
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 939ca2a4c8bd1dc3edd43dabff6b0a1c31cddcd5f1061026b073a3dcde676087
[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" "939ca2a4c8bd1dc3edd43dabff6b0a1c31cddcd5f1061026b073a3dcde676087", kill_on_drop: false }`
[INFO] [stderr]     Checking safe-mix v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "939ca2a4c8bd1dc3edd43dabff6b0a1c31cddcd5f1061026b073a3dcde676087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939ca2a4c8bd1dc3edd43dabff6b0a1c31cddcd5f1061026b073a3dcde676087", kill_on_drop: false }`
[INFO] [stdout] 939ca2a4c8bd1dc3edd43dabff6b0a1c31cddcd5f1061026b073a3dcde676087