[INFO] cloning repository https://github.com/matharp/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matharp/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatharp%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatharp%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 449c766ac52ed2be6f1a2cff004237a95ebbc440
[INFO] checking matharp/learn-rust against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatharp%2Flearn-rust" "/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/matharp/learn-rust on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matharp/learn-rust
[INFO] finished tweaking git repo https://github.com/matharp/learn-rust
[INFO] tweaked toml for git repo https://github.com/matharp/learn-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/matharp/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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] 989b057759657c03826330b51fec9dd2ecde56085ca7fe67a2b8172e9cd0c300
[INFO] running `Command { std: "docker" "start" "-a" "989b057759657c03826330b51fec9dd2ecde56085ca7fe67a2b8172e9cd0c300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "989b057759657c03826330b51fec9dd2ecde56085ca7fe67a2b8172e9cd0c300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989b057759657c03826330b51fec9dd2ecde56085ca7fe67a2b8172e9cd0c300", kill_on_drop: false }`
[INFO] [stdout] 989b057759657c03826330b51fec9dd2ecde56085ca7fe67a2b8172e9cd0c300
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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] 19fd542e49d81d16060df085c8ed9a8b9f7241f316335d4225263dd7b4b52101
[INFO] running `Command { std: "docker" "start" "-a" "19fd542e49d81d16060df085c8ed9a8b9f7241f316335d4225263dd7b4b52101", kill_on_drop: false }`
[INFO] [stderr]     Checking hello-world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "19fd542e49d81d16060df085c8ed9a8b9f7241f316335d4225263dd7b4b52101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19fd542e49d81d16060df085c8ed9a8b9f7241f316335d4225263dd7b4b52101", kill_on_drop: false }`
[INFO] [stdout] 19fd542e49d81d16060df085c8ed9a8b9f7241f316335d4225263dd7b4b52101