[INFO] updating cached repository https://github.com/dweb0/seven_chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecc79a4c553b8c707f7485a237676a98ae6d12e4
[INFO] checking dweb0/seven_chain against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdweb0%2Fseven_chain" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dweb0/seven_chain on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dweb0/seven_chain
[INFO] finished tweaking git repo https://github.com/dweb0/seven_chain
[INFO] tweaked toml for git repo https://github.com/dweb0/seven_chain written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dweb0/seven_chain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26e77f297c0bdbcf5a4f2712be1bacca592b803a54ddf29f9e4645f1e7c1a876
[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" "26e77f297c0bdbcf5a4f2712be1bacca592b803a54ddf29f9e4645f1e7c1a876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e77f297c0bdbcf5a4f2712be1bacca592b803a54ddf29f9e4645f1e7c1a876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e77f297c0bdbcf5a4f2712be1bacca592b803a54ddf29f9e4645f1e7c1a876", kill_on_drop: false }`
[INFO] [stdout] 26e77f297c0bdbcf5a4f2712be1bacca592b803a54ddf29f9e4645f1e7c1a876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] f36ba17b945ee6b1b88b58547c36fc0f48727bbf231b8e9f5ac1da89e1b3be02
[INFO] running `Command { std: "docker" "start" "-a" "f36ba17b945ee6b1b88b58547c36fc0f48727bbf231b8e9f5ac1da89e1b3be02", kill_on_drop: false }`
[INFO] [stderr]     Checking seven_chain v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "f36ba17b945ee6b1b88b58547c36fc0f48727bbf231b8e9f5ac1da89e1b3be02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36ba17b945ee6b1b88b58547c36fc0f48727bbf231b8e9f5ac1da89e1b3be02", kill_on_drop: false }`
[INFO] [stdout] f36ba17b945ee6b1b88b58547c36fc0f48727bbf231b8e9f5ac1da89e1b3be02