[INFO] fetching crate droprate 1.0.0...
[INFO] checking droprate-1.0.0 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate droprate 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate droprate 1.0.0 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate droprate 1.0.0
[INFO] finished tweaking crates.io crate droprate 1.0.0
[INFO] tweaked toml for crates.io crate droprate 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 389c9c444e747832feb27b7d2276d72c979afe2491b5295a184be7569329edce
[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" "389c9c444e747832feb27b7d2276d72c979afe2491b5295a184be7569329edce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "389c9c444e747832feb27b7d2276d72c979afe2491b5295a184be7569329edce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389c9c444e747832feb27b7d2276d72c979afe2491b5295a184be7569329edce", kill_on_drop: false }`
[INFO] [stdout] 389c9c444e747832feb27b7d2276d72c979afe2491b5295a184be7569329edce
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59f99eb0b7f79c7bd292a3707a1cf2442c02f75ad3d68869bdb7d7386c0f286e
[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" "59f99eb0b7f79c7bd292a3707a1cf2442c02f75ad3d68869bdb7d7386c0f286e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking droprate v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:47:55
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn push(&mut self, ident: T, weight: f64) -> &mut ProbabilityTable<T>;
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProbabilityTable<T>`
[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:209:55
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn push(&mut self, ident: T, weight: f64) -> &mut ProbabilityTable<T> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProbabilityTable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:55
[INFO] [stdout]     |
[INFO] [stdout] 333 |     fn push(&mut self, ident: T, weight: f64) -> &mut ProbabilityTable<T> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProbabilityTable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:47:55
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn push(&mut self, ident: T, weight: f64) -> &mut ProbabilityTable<T>;
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProbabilityTable<T>`
[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:209:55
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn push(&mut self, ident: T, weight: f64) -> &mut ProbabilityTable<T> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProbabilityTable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:55
[INFO] [stdout]     |
[INFO] [stdout] 333 |     fn push(&mut self, ident: T, weight: f64) -> &mut ProbabilityTable<T> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProbabilityTable<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/integration_tests.rs:70:28
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn random_odds(table: &mut ProbabilityTable<String>, num_cycles: u32) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProbabilityTable<String>`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `Command { std: "docker" "inspect" "59f99eb0b7f79c7bd292a3707a1cf2442c02f75ad3d68869bdb7d7386c0f286e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f99eb0b7f79c7bd292a3707a1cf2442c02f75ad3d68869bdb7d7386c0f286e", kill_on_drop: false }`
[INFO] [stdout] 59f99eb0b7f79c7bd292a3707a1cf2442c02f75ad3d68869bdb7d7386c0f286e