[INFO] crate cobalt 0.22.0 is already in cache [INFO] extracting crate cobalt 0.22.0 into work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/cobalt/0.22.0 [INFO] extracting crate cobalt 0.22.0 into work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/cobalt/0.22.0 [INFO] validating manifest of cobalt-0.22.0 on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cobalt-0.22.0 on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing cobalt-0.22.0 [INFO] finished frobbing cobalt-0.22.0 [INFO] frobbed toml for cobalt-0.22.0 written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/cobalt/0.22.0/Cargo.toml [INFO] started frobbing cobalt-0.22.0 [INFO] finished frobbing cobalt-0.22.0 [INFO] frobbed toml for cobalt-0.22.0 written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/cobalt/0.22.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking cobalt-0.22.0 against master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be for pr-61753 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-7/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/cobalt/0.22.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 10fdf7dd10ccf97021fe2dd0ae55caf56623d3e5cbceab5d05fbd2dbd35157cd [INFO] running `"docker" "start" "-a" "10fdf7dd10ccf97021fe2dd0ae55caf56623d3e5cbceab5d05fbd2dbd35157cd"` [INFO] [stderr] Checking cobalt v0.22.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/shared/connection.rs:129:59 [INFO] [stderr] | [INFO] [stderr] 129 | pub type ConnectionMap = HashMap>; [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn RateLimiter` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/shared/connection.rs:129:72 [INFO] [stderr] | [INFO] [stderr] 129 | pub type ConnectionMap = HashMap>; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PacketModifier` [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/shared/connection.rs:425:25 [INFO] [stderr] | [INFO] [stderr] 425 | (cmp::max(self.last_receive_time - ack.time, tick_delay) - tick_delay) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traits/packet_modifier.rs:43:21 [INFO] [stderr] | [INFO] [stderr] 43 | impl fmt::Debug for PacketModifier { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PacketModifier` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traits/rate_limiter.rs:41:21 [INFO] [stderr] | [INFO] [stderr] 41 | impl fmt::Debug for RateLimiter { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn RateLimiter` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/shared/connection.rs:129:59 [INFO] [stderr] | [INFO] [stderr] 129 | pub type ConnectionMap = HashMap>; [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn RateLimiter` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/shared/connection.rs:129:72 [INFO] [stderr] | [INFO] [stderr] 129 | pub type ConnectionMap = HashMap>; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PacketModifier` [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/shared/connection.rs:425:25 [INFO] [stderr] | [INFO] [stderr] 425 | (cmp::max(self.last_receive_time - ack.time, tick_delay) - tick_delay) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traits/packet_modifier.rs:43:21 [INFO] [stderr] | [INFO] [stderr] 43 | impl fmt::Debug for PacketModifier { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PacketModifier` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traits/rate_limiter.rs:41:21 [INFO] [stderr] | [INFO] [stderr] 41 | impl fmt::Debug for RateLimiter { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn RateLimiter` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> examples/client.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | client.send(true).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> examples/server.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | server.send(true).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.04s [INFO] running `"docker" "inspect" "10fdf7dd10ccf97021fe2dd0ae55caf56623d3e5cbceab5d05fbd2dbd35157cd"` [INFO] running `"docker" "rm" "-f" "10fdf7dd10ccf97021fe2dd0ae55caf56623d3e5cbceab5d05fbd2dbd35157cd"` [INFO] [stdout] 10fdf7dd10ccf97021fe2dd0ae55caf56623d3e5cbceab5d05fbd2dbd35157cd