[INFO] fetching crate rustdds 0.4.5...
[INFO] checking rustdds-0.4.5 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate rustdds 0.4.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustdds 0.4.5 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustdds 0.4.5
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate rustdds 0.4.5
[INFO] tweaked toml for crates.io crate rustdds 0.4.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rustdds 0.4.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac359a7fdd2d08026e373cf8bdb9a72ae27ea55d6751814f59a9226e4272d0f9
[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" "ac359a7fdd2d08026e373cf8bdb9a72ae27ea55d6751814f59a9226e4272d0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac359a7fdd2d08026e373cf8bdb9a72ae27ea55d6751814f59a9226e4272d0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac359a7fdd2d08026e373cf8bdb9a72ae27ea55d6751814f59a9226e4272d0f9", kill_on_drop: false }`
[INFO] [stdout] ac359a7fdd2d08026e373cf8bdb9a72ae27ea55d6751814f59a9226e4272d0f9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dba49d46bc235ae2672147178cadbe2830572a97f8e5a5e2f574006f119d715a
[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" "dba49d46bc235ae2672147178cadbe2830572a97f8e5a5e2f574006f119d715a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking timer v0.1.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]    Compiling speedy-derive v0.6.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]     Checking ctrlc v3.2.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking speedy v0.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.18
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking log4rs v1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking rustdds v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/serialization/cdr_deserializer.rs:866:6
[INFO] [stdout]     |
[INFO] [stdout] 866 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/dds/dp_event_loop.rs:362:11
[INFO] [stdout]     |
[INFO] [stdout] 362 | /           &self.poll.register(
[INFO] [stdout] 363 | |             &new_writer.writer_command_receiver,
[INFO] [stdout] 364 | |             new_writer.get_entity_token(),
[INFO] [stdout] 365 | |             Ready::readable(),
[INFO] [stdout] 366 | |             PollOpt::edge(),
[INFO] [stdout] 367 | |           );
[INFO] [stdout]     | |___________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 362 |           let _ = &self.poll.register(
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/dds/dp_event_loop.rs:362:11
[INFO] [stdout]     |
[INFO] [stdout] 362 | /           &self.poll.register(
[INFO] [stdout] 363 | |             &new_writer.writer_command_receiver,
[INFO] [stdout] 364 | |             new_writer.get_entity_token(),
[INFO] [stdout] 365 | |             Ready::readable(),
[INFO] [stdout] 366 | |             PollOpt::edge(),
[INFO] [stdout] 367 | |           );
[INFO] [stdout]     | |___________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 362 |           let _ = &self.poll.register(
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.62s
[INFO] running `Command { std: "docker" "inspect" "dba49d46bc235ae2672147178cadbe2830572a97f8e5a5e2f574006f119d715a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba49d46bc235ae2672147178cadbe2830572a97f8e5a5e2f574006f119d715a", kill_on_drop: false }`
[INFO] [stdout] dba49d46bc235ae2672147178cadbe2830572a97f8e5a5e2f574006f119d715a