[INFO] fetching crate hashdb 0.3.0...
[INFO] checking hashdb-0.3.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate hashdb 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hashdb 0.3.0 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 hashdb 0.3.0
[INFO] finished tweaking crates.io crate hashdb 0.3.0
[INFO] tweaked toml for crates.io crate hashdb 0.3.0 written to /workspace/builds/worker-2/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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1399b1804a7d05c9e06688aef34969a4be7aeb18b5b6272afb879041eee3a143
[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" "1399b1804a7d05c9e06688aef34969a4be7aeb18b5b6272afb879041eee3a143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1399b1804a7d05c9e06688aef34969a4be7aeb18b5b6272afb879041eee3a143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1399b1804a7d05c9e06688aef34969a4be7aeb18b5b6272afb879041eee3a143", kill_on_drop: false }`
[INFO] [stdout] 1399b1804a7d05c9e06688aef34969a4be7aeb18b5b6272afb879041eee3a143
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0aaf59e6636928be41ecd0add87c32c9e3341a9ddeb9ce3df4e80f4853058f1
[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" "d0aaf59e6636928be41ecd0add87c32c9e3341a9ddeb9ce3df4e80f4853058f1", kill_on_drop: false }`
[INFO] [stderr]     Checking hashdb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn as_hashdb(&self) -> &HashDB<H, T>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, 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:76:38
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:82:51
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut HashDB<H, T> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn as_hashdb(&self) -> &HashDB<H, T> { &**self }
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:84:38
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { &mut **self }
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn as_hashdb(&self) -> &HashDB<H, T>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, 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:76:38
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:82:51
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut HashDB<H, T> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn as_hashdb(&self) -> &HashDB<H, T> { &**self }
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:84:38
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { &mut **self }
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "d0aaf59e6636928be41ecd0add87c32c9e3341a9ddeb9ce3df4e80f4853058f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0aaf59e6636928be41ecd0add87c32c9e3341a9ddeb9ce3df4e80f4853058f1", kill_on_drop: false }`
[INFO] [stdout] d0aaf59e6636928be41ecd0add87c32c9e3341a9ddeb9ce3df4e80f4853058f1