[INFO] fetching crate xactor 0.7.8...
[INFO] checking xactor-0.7.8 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate xactor 0.7.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xactor 0.7.8 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xactor 0.7.8
[INFO] finished tweaking crates.io crate xactor 0.7.8
[INFO] tweaked toml for crates.io crate xactor 0.7.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate xactor 0.7.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-std v1.6.4
[INFO] [stderr]   Downloaded async-io v1.1.4
[INFO] [stderr]   Downloaded futures-lite v1.8.0
[INFO] [stderr]   Downloaded async-task v4.0.2
[INFO] [stderr]   Downloaded nb-connect v1.0.0
[INFO] [stderr]   Downloaded xactor-derive v0.7.1
[INFO] [stderr]   Downloaded async-global-executor v1.2.1
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] 9152cdf8f207e914f65bfc97c16905e373a9d4ec2c53559366bfee5ee23601e2
[INFO] running `Command { std: "docker" "start" "-a" "9152cdf8f207e914f65bfc97c16905e373a9d4ec2c53559366bfee5ee23601e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9152cdf8f207e914f65bfc97c16905e373a9d4ec2c53559366bfee5ee23601e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9152cdf8f207e914f65bfc97c16905e373a9d4ec2c53559366bfee5ee23601e2", kill_on_drop: false }`
[INFO] [stdout] 9152cdf8f207e914f65bfc97c16905e373a9d4ec2c53559366bfee5ee23601e2
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c718163eeb430922428501dd9e11903f8555d8e473dce2529fc9e243594919b
[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" "8c718163eeb430922428501dd9e11903f8555d8e473dce2529fc9e243594919b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking pin-project-lite v0.1.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.24
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking futures-lite v1.8.0
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking nb-connect v1.0.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking async-io v1.1.4
[INFO] [stderr]     Checking async-global-executor v1.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling xactor-derive v0.7.1
[INFO] [stderr]     Checking async-std v1.6.4
[INFO] [stderr]     Checking pin-project v0.4.24
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking xactor v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.55s
[INFO] running `Command { std: "docker" "inspect" "8c718163eeb430922428501dd9e11903f8555d8e473dce2529fc9e243594919b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c718163eeb430922428501dd9e11903f8555d8e473dce2529fc9e243594919b", kill_on_drop: false }`
[INFO] [stdout] 8c718163eeb430922428501dd9e11903f8555d8e473dce2529fc9e243594919b