[INFO] fetching crate rustic-zen 0.0.2...
[INFO] checking rustic-zen-0.0.2 against beta for pr-78714
[INFO] extracting crate rustic-zen 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rustic-zen 0.0.2 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 rustic-zen 0.0.2
[INFO] finished tweaking crates.io crate rustic-zen 0.0.2
[INFO] tweaked toml for crates.io crate rustic-zen 0.0.2 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f24c66d8d1720cdbce21376153689ecac7e1632ab5ecd67af6c1843ab70761a
[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" "0f24c66d8d1720cdbce21376153689ecac7e1632ab5ecd67af6c1843ab70761a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f24c66d8d1720cdbce21376153689ecac7e1632ab5ecd67af6c1843ab70761a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f24c66d8d1720cdbce21376153689ecac7e1632ab5ecd67af6c1843ab70761a", kill_on_drop: false }`
[INFO] [stdout] 0f24c66d8d1720cdbce21376153689ecac7e1632ab5ecd67af6c1843ab70761a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb6c3c65abffbbf80c1bd9f86f3a1dba6239a5ba7b0213de711e0f03721489c9
[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" "fb6c3c65abffbbf80c1bd9f86f3a1dba6239a5ba7b0213de711e0f03721489c9", kill_on_drop: false }`
[INFO] [stderr]     Checking rustic-zen v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |         material: Box<Material>,
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[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/object.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |         material: Box<Material>,
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object.rs:99:40
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn get_material(&self) -> &Box<Material> {
[INFO] [stdout]    |                                        ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking png v0.13.2
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |         material: Box<Material>,
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[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/object.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |         material: Box<Material>,
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object.rs:99:40
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn get_material(&self) -> &Box<Material> {
[INFO] [stdout]    |                                        ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "fb6c3c65abffbbf80c1bd9f86f3a1dba6239a5ba7b0213de711e0f03721489c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6c3c65abffbbf80c1bd9f86f3a1dba6239a5ba7b0213de711e0f03721489c9", kill_on_drop: false }`
[INFO] [stdout] fb6c3c65abffbbf80c1bd9f86f3a1dba6239a5ba7b0213de711e0f03721489c9