[INFO] fetching crate treers 0.1.2... [INFO] checking treers-0.1.2 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] extracting crate treers 0.1.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate treers 0.1.2 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate treers 0.1.2 [INFO] finished tweaking crates.io crate treers 0.1.2 [INFO] tweaked toml for crates.io crate treers 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate treers 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] 1646ca674314acb071b2b63f7a350327d89757b4bd6d18330456349b95108b15 [INFO] running `Command { std: "docker" "start" "-a" "1646ca674314acb071b2b63f7a350327d89757b4bd6d18330456349b95108b15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1646ca674314acb071b2b63f7a350327d89757b4bd6d18330456349b95108b15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1646ca674314acb071b2b63f7a350327d89757b4bd6d18330456349b95108b15", kill_on_drop: false }` [INFO] [stdout] 1646ca674314acb071b2b63f7a350327d89757b4bd6d18330456349b95108b15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] 6c13102aead8d7845ce52792f702c1bbdbc4e91ca96886f8081314b8e6e9fafb [INFO] running `Command { std: "docker" "start" "-a" "6c13102aead8d7845ce52792f702c1bbdbc4e91ca96886f8081314b8e6e9fafb", kill_on_drop: false }` [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Checking treers v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `Command { std: "docker" "inspect" "6c13102aead8d7845ce52792f702c1bbdbc4e91ca96886f8081314b8e6e9fafb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c13102aead8d7845ce52792f702c1bbdbc4e91ca96886f8081314b8e6e9fafb", kill_on_drop: false }` [INFO] [stdout] 6c13102aead8d7845ce52792f702c1bbdbc4e91ca96886f8081314b8e6e9fafb