[INFO] cloning repository https://github.com/wvanlit/rust-research
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wvanlit/rust-research" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwvanlit%2Frust-research", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwvanlit%2Frust-research'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 588bef08c6f43ce80b3fce9e3322f8c1389fba62
[INFO] checking wvanlit/rust-research against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwvanlit%2Frust-research" "/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/wvanlit/rust-research on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wvanlit/rust-research
[INFO] finished tweaking git repo https://github.com/wvanlit/rust-research
[INFO] tweaked toml for git repo https://github.com/wvanlit/rust-research written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/wvanlit/rust-research already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", 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] c07971a26cf08b7a6ff794a4e380b39e1f4d399de56fb6e2b82cd030ae0390b1
[INFO] running `Command { std: "docker" "start" "-a" "c07971a26cf08b7a6ff794a4e380b39e1f4d399de56fb6e2b82cd030ae0390b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c07971a26cf08b7a6ff794a4e380b39e1f4d399de56fb6e2b82cd030ae0390b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c07971a26cf08b7a6ff794a4e380b39e1f4d399de56fb6e2b82cd030ae0390b1", kill_on_drop: false }`
[INFO] [stdout] c07971a26cf08b7a6ff794a4e380b39e1f4d399de56fb6e2b82cd030ae0390b1
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3312a0d15036e1ab18685ab47ab15e02d9b388571f746d4d06e1b6395a13063
[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" "d3312a0d15036e1ab18685ab47ab15e02d9b388571f746d4d06e1b6395a13063", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-research v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "d3312a0d15036e1ab18685ab47ab15e02d9b388571f746d4d06e1b6395a13063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3312a0d15036e1ab18685ab47ab15e02d9b388571f746d4d06e1b6395a13063", kill_on_drop: false }`
[INFO] [stdout] d3312a0d15036e1ab18685ab47ab15e02d9b388571f746d4d06e1b6395a13063