[INFO] cloning repository https://github.com/Henning-K/HashMap_Ackermann
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Henning-K/HashMap_Ackermann" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenning-K%2FHashMap_Ackermann", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenning-K%2FHashMap_Ackermann'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3573b9ef80a054c780f5b06c6b8a89908836faf1
[INFO] checking Henning-K/HashMap_Ackermann against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenning-K%2FHashMap_Ackermann" "/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/Henning-K/HashMap_Ackermann on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Henning-K/HashMap_Ackermann
[INFO] finished tweaking git repo https://github.com/Henning-K/HashMap_Ackermann
[INFO] tweaked toml for git repo https://github.com/Henning-K/HashMap_Ackermann written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Henning-K/HashMap_Ackermann already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8bbb6217aae04f7d2915723fc213b0f1ee570d6ec3e0a99538f333ddd8a25ed
[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" "a8bbb6217aae04f7d2915723fc213b0f1ee570d6ec3e0a99538f333ddd8a25ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8bbb6217aae04f7d2915723fc213b0f1ee570d6ec3e0a99538f333ddd8a25ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8bbb6217aae04f7d2915723fc213b0f1ee570d6ec3e0a99538f333ddd8a25ed", kill_on_drop: false }`
[INFO] [stdout] a8bbb6217aae04f7d2915723fc213b0f1ee570d6ec3e0a99538f333ddd8a25ed
[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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d72d87e44742a551f0753fd55ecdcd8529dc5f3de3ac9489edd0eb47032ed6ba
[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" "d72d87e44742a551f0753fd55ecdcd8529dc5f3de3ac9489edd0eb47032ed6ba", kill_on_drop: false }`
[INFO] [stderr]     Checking ackermann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "d72d87e44742a551f0753fd55ecdcd8529dc5f3de3ac9489edd0eb47032ed6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72d87e44742a551f0753fd55ecdcd8529dc5f3de3ac9489edd0eb47032ed6ba", kill_on_drop: false }`
[INFO] [stdout] d72d87e44742a551f0753fd55ecdcd8529dc5f3de3ac9489edd0eb47032ed6ba