[INFO] fetching crate liquid-error 0.20.0-alpha.6...
[INFO] checking liquid-error-0.20.0-alpha.6 against beta for pr-78714
[INFO] extracting crate liquid-error 0.20.0-alpha.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate liquid-error 0.20.0-alpha.6 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liquid-error 0.20.0-alpha.6
[INFO] finished tweaking crates.io crate liquid-error 0.20.0-alpha.6
[INFO] tweaked toml for crates.io crate liquid-error 0.20.0-alpha.6 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 825cf50e7815175713e8e3858655142c114e7841df3be1a1ec211e589245ea03
[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" "825cf50e7815175713e8e3858655142c114e7841df3be1a1ec211e589245ea03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "825cf50e7815175713e8e3858655142c114e7841df3be1a1ec211e589245ea03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825cf50e7815175713e8e3858655142c114e7841df3be1a1ec211e589245ea03", kill_on_drop: false }`
[INFO] [stdout] 825cf50e7815175713e8e3858655142c114e7841df3be1a1ec211e589245ea03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] e2294e74fd1d546d14b81563273d6fad2c28adb0f4492799f298ac0e7792111f
[INFO] running `Command { std: "docker" "start" "-a" "e2294e74fd1d546d14b81563273d6fad2c28adb0f4492799f298ac0e7792111f", kill_on_drop: false }`
[INFO] [stderr]     Checking kstring v0.1.2
[INFO] [stderr]     Checking liquid-error v0.20.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "e2294e74fd1d546d14b81563273d6fad2c28adb0f4492799f298ac0e7792111f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2294e74fd1d546d14b81563273d6fad2c28adb0f4492799f298ac0e7792111f", kill_on_drop: false }`
[INFO] [stdout] e2294e74fd1d546d14b81563273d6fad2c28adb0f4492799f298ac0e7792111f