[INFO] fetching crate fluse 0.1.4...
[INFO] checking fluse-0.1.4 against beta for pr-78714
[INFO] extracting crate fluse 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fluse 0.1.4 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 fluse 0.1.4
[INFO] finished tweaking crates.io crate fluse 0.1.4
[INFO] tweaked toml for crates.io crate fluse 0.1.4 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 04828bc5bb24ecb910fcac47fae5f3afe796903c98ce5d38347bb269bf5d2841
[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" "04828bc5bb24ecb910fcac47fae5f3afe796903c98ce5d38347bb269bf5d2841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04828bc5bb24ecb910fcac47fae5f3afe796903c98ce5d38347bb269bf5d2841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04828bc5bb24ecb910fcac47fae5f3afe796903c98ce5d38347bb269bf5d2841", kill_on_drop: false }`
[INFO] [stdout] 04828bc5bb24ecb910fcac47fae5f3afe796903c98ce5d38347bb269bf5d2841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6ee234719f6716795102daa913837ff28c75540cd7b2632b2c285a1936648e7f
[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" "6ee234719f6716795102daa913837ff28c75540cd7b2632b2c285a1936648e7f", kill_on_drop: false }`
[INFO] [stderr]     Checking fluse v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn check(&self, f: &mut FnMut(&Outcome));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Outcome)`
[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/lib.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn check_ok(&self, f: &mut FnMut(&Outcome)) -> Summary {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Outcome)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn check(&self, f: &mut FnMut(&Outcome));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Outcome)`
[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/lib.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn check_ok(&self, f: &mut FnMut(&Outcome)) -> Summary {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Outcome)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "6ee234719f6716795102daa913837ff28c75540cd7b2632b2c285a1936648e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee234719f6716795102daa913837ff28c75540cd7b2632b2c285a1936648e7f", kill_on_drop: false }`
[INFO] [stdout] 6ee234719f6716795102daa913837ff28c75540cd7b2632b2c285a1936648e7f