[INFO] fetching crate rustic-zen 0.0.2...
[INFO] checking rustic-zen-0.0.2 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate rustic-zen 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustic-zen 0.0.2 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dee6291e7ccd8345c41d56d74c3bd33bd12f347b73748dda4fa3ee0a938f26eb
[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" "dee6291e7ccd8345c41d56d74c3bd33bd12f347b73748dda4fa3ee0a938f26eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dee6291e7ccd8345c41d56d74c3bd33bd12f347b73748dda4fa3ee0a938f26eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee6291e7ccd8345c41d56d74c3bd33bd12f347b73748dda4fa3ee0a938f26eb", kill_on_drop: false }`
[INFO] [stdout] dee6291e7ccd8345c41d56d74c3bd33bd12f347b73748dda4fa3ee0a938f26eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b50d37eb4912328926fe87e9c23d77e6d491a6bee05c0113b3ae7b0a5e721cc2
[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" "b50d37eb4912328926fe87e9c23d77e6d491a6bee05c0113b3ae7b0a5e721cc2", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustic-zen v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking deflate v0.7.20
[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_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking png v0.13.2
[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 14.33s
[INFO] running `Command { std: "docker" "inspect" "b50d37eb4912328926fe87e9c23d77e6d491a6bee05c0113b3ae7b0a5e721cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50d37eb4912328926fe87e9c23d77e6d491a6bee05c0113b3ae7b0a5e721cc2", kill_on_drop: false }`
[INFO] [stdout] b50d37eb4912328926fe87e9c23d77e6d491a6bee05c0113b3ae7b0a5e721cc2