[INFO] fetching crate efflux 2.0.1...
[INFO] checking efflux-2.0.1 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate efflux 2.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate efflux 2.0.1 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate efflux 2.0.1
[INFO] finished tweaking crates.io crate efflux 2.0.1
[INFO] tweaked toml for crates.io crate efflux 2.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unchecked-index v0.2.2
[INFO] [stderr]   Downloaded twoway v0.2.1
[INFO] [stderr]   Downloaded bytelines v2.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] eecb5ca59760290a3938d18ff6a0449a907966d6f893ef29cc4dc6c6df403199
[INFO] running `Command { std: "docker" "start" "-a" "eecb5ca59760290a3938d18ff6a0449a907966d6f893ef29cc4dc6c6df403199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eecb5ca59760290a3938d18ff6a0449a907966d6f893ef29cc4dc6c6df403199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eecb5ca59760290a3938d18ff6a0449a907966d6f893ef29cc4dc6c6df403199", kill_on_drop: false }`
[INFO] [stdout] eecb5ca59760290a3938d18ff6a0449a907966d6f893ef29cc4dc6c6df403199
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] 1d326ee0871a31013591eb73976a98c0a08b33f0dd7f13ae2ab01752697d277b
[INFO] running `Command { std: "docker" "start" "-a" "1d326ee0871a31013591eb73976a98c0a08b33f0dd7f13ae2ab01752697d277b", kill_on_drop: false }`
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking bytelines v2.2.2
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking efflux v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context/mod.rs:82:31
[INFO] [stdout]    |
[INFO] [stdout] 82 |     data: HashMap<TypeId, Box<Any>>,
[INFO] [stdout]    |                               ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context/mod.rs:82:31
[INFO] [stdout]    |
[INFO] [stdout] 82 |     data: HashMap<TypeId, Box<Any>>,
[INFO] [stdout]    |                               ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "1d326ee0871a31013591eb73976a98c0a08b33f0dd7f13ae2ab01752697d277b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d326ee0871a31013591eb73976a98c0a08b33f0dd7f13ae2ab01752697d277b", kill_on_drop: false }`
[INFO] [stdout] 1d326ee0871a31013591eb73976a98c0a08b33f0dd7f13ae2ab01752697d277b