[INFO] fetching crate rftrace-frontend 0.1.0...
[INFO] building rftrace-frontend-0.1.0 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate rftrace-frontend 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rftrace-frontend 0.1.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rftrace-frontend 0.1.0
[INFO] finished tweaking crates.io crate rftrace-frontend 0.1.0
[INFO] tweaked toml for crates.io crate rftrace-frontend 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 160a5c1584df14f0f882ce2dc92ed5cdf49953173275afad4298d91e9a62557e
[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" "160a5c1584df14f0f882ce2dc92ed5cdf49953173275afad4298d91e9a62557e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "160a5c1584df14f0f882ce2dc92ed5cdf49953173275afad4298d91e9a62557e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160a5c1584df14f0f882ce2dc92ed5cdf49953173275afad4298d91e9a62557e", kill_on_drop: false }`
[INFO] [stdout] 160a5c1584df14f0f882ce2dc92ed5cdf49953173275afad4298d91e9a62557e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d111a643cbdf4f271dc4700cb1cde6f1929f3e2a844ec2b51096ee768423f85
[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" "3d111a643cbdf4f271dc4700cb1cde6f1929f3e2a844ec2b51096ee768423f85", kill_on_drop: false }`
[INFO] [stderr]    Compiling rftrace-frontend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "3d111a643cbdf4f271dc4700cb1cde6f1929f3e2a844ec2b51096ee768423f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d111a643cbdf4f271dc4700cb1cde6f1929f3e2a844ec2b51096ee768423f85", kill_on_drop: false }`
[INFO] [stdout] 3d111a643cbdf4f271dc4700cb1cde6f1929f3e2a844ec2b51096ee768423f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--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] 957358039b446b5b23bb79380723a4b5fab2aeb0aa5aa38af87e3c9c1977d70a
[INFO] running `Command { std: "docker" "start" "-a" "957358039b446b5b23bb79380723a4b5fab2aeb0aa5aa38af87e3c9c1977d70a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rftrace-frontend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "957358039b446b5b23bb79380723a4b5fab2aeb0aa5aa38af87e3c9c1977d70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957358039b446b5b23bb79380723a4b5fab2aeb0aa5aa38af87e3c9c1977d70a", kill_on_drop: false }`
[INFO] [stdout] 957358039b446b5b23bb79380723a4b5fab2aeb0aa5aa38af87e3c9c1977d70a