[INFO] cloning repository https://github.com/ruuda/btrfs-mirror-subvolumes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruuda/btrfs-mirror-subvolumes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fbtrfs-mirror-subvolumes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fbtrfs-mirror-subvolumes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00c33558d5d21decf11927e6b349e84eb4237039
[INFO] checking ruuda/btrfs-mirror-subvolumes against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruuda%2Fbtrfs-mirror-subvolumes" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruuda/btrfs-mirror-subvolumes on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ruuda/btrfs-mirror-subvolumes
[INFO] finished tweaking git repo https://github.com/ruuda/btrfs-mirror-subvolumes
[INFO] tweaked toml for git repo https://github.com/ruuda/btrfs-mirror-subvolumes written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ruuda/btrfs-mirror-subvolumes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7634e150ee79c4b4dec2599e8365d1b3c5160bcc52a33a858ad8dc5f603b3499
[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" "7634e150ee79c4b4dec2599e8365d1b3c5160bcc52a33a858ad8dc5f603b3499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7634e150ee79c4b4dec2599e8365d1b3c5160bcc52a33a858ad8dc5f603b3499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7634e150ee79c4b4dec2599e8365d1b3c5160bcc52a33a858ad8dc5f603b3499", kill_on_drop: false }`
[INFO] [stdout] 7634e150ee79c4b4dec2599e8365d1b3c5160bcc52a33a858ad8dc5f603b3499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] bb31e2d32099518a84a139c0efc72548125405c613770e4d7a42f384e8ce50b0
[INFO] running `Command { std: "docker" "start" "-a" "bb31e2d32099518a84a139c0efc72548125405c613770e4d7a42f384e8ce50b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking reflink-diff v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "bb31e2d32099518a84a139c0efc72548125405c613770e4d7a42f384e8ce50b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb31e2d32099518a84a139c0efc72548125405c613770e4d7a42f384e8ce50b0", kill_on_drop: false }`
[INFO] [stdout] bb31e2d32099518a84a139c0efc72548125405c613770e4d7a42f384e8ce50b0