[INFO] fetching crate monger-core 0.14.0...
[INFO] checking monger-core-0.14.0 against beta for pr-78714
[INFO] extracting crate monger-core 0.14.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate monger-core 0.14.0 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 monger-core 0.14.0
[INFO] finished tweaking crates.io crate monger-core 0.14.0
[INFO] tweaked toml for crates.io crate monger-core 0.14.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70296fee0967dcb916df18f75b6f313a4866c300d4026b25ef9993bfc99480cc
[INFO] running `Command { std: "docker" "start" "-a" "70296fee0967dcb916df18f75b6f313a4866c300d4026b25ef9993bfc99480cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70296fee0967dcb916df18f75b6f313a4866c300d4026b25ef9993bfc99480cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70296fee0967dcb916df18f75b6f313a4866c300d4026b25ef9993bfc99480cc", kill_on_drop: false }`
[INFO] [stdout] 70296fee0967dcb916df18f75b6f313a4866c300d4026b25ef9993bfc99480cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 5f2405db67ec17ef9405f55bd2d48bad19bce195776fb98d9e9ce335b1e8bfe3
[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" "5f2405db67ec17ef9405f55bd2d48bad19bce195776fb98d9e9ce335b1e8bfe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling hyperx v1.2.0
[INFO] [stderr]     Checking rs-release v0.1.7
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking semver-parser v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking async-compression v0.3.6
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking soup v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking monger-core v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "5f2405db67ec17ef9405f55bd2d48bad19bce195776fb98d9e9ce335b1e8bfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2405db67ec17ef9405f55bd2d48bad19bce195776fb98d9e9ce335b1e8bfe3", kill_on_drop: false }`
[INFO] [stdout] 5f2405db67ec17ef9405f55bd2d48bad19bce195776fb98d9e9ce335b1e8bfe3