[INFO] fetching crate zedmq 0.5.0...
[INFO] checking zedmq-0.5.0 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate zedmq 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate zedmq 0.5.0 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zedmq 0.5.0
[INFO] finished tweaking crates.io crate zedmq 0.5.0
[INFO] tweaked toml for crates.io crate zedmq 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate zedmq 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6f9925165d9cb6fa4b202ba6c85eb49452c6cd91f8861ce57d7086829e8c013
[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" "d6f9925165d9cb6fa4b202ba6c85eb49452c6cd91f8861ce57d7086829e8c013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6f9925165d9cb6fa4b202ba6c85eb49452c6cd91f8861ce57d7086829e8c013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f9925165d9cb6fa4b202ba6c85eb49452c6cd91f8861ce57d7086829e8c013", kill_on_drop: false }`
[INFO] [stdout] d6f9925165d9cb6fa4b202ba6c85eb49452c6cd91f8861ce57d7086829e8c013
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08cb8a04a5494e7f3e045a5f11aa21711bb503f5709705dde49d6151a7b7a2a1
[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" "08cb8a04a5494e7f3e045a5f11aa21711bb503f5709705dde49d6151a7b7a2a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking zedmq v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stdout] warning: unused import: `codec::FrameBuf`
[INFO] [stdout]  --> src/socket_type/sub_t.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{codec::FrameBuf, stream::Stream};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `security`
[INFO] [stdout]  --> src/codec/protocol.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     security: Option<()>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `security`
[INFO] [stdout]   --> src/codec/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn security(&mut self, _security: ()) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bind`
[INFO] [stdout]   --> src/stream.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Bind(R),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/socket_type/req_t.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn recv(mut self) -> io::Result<(Vec<Vec<u8>>, Req)> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stdout] warning: unused import: `codec::FrameBuf`
[INFO] [stdout]  --> src/socket_type/sub_t.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{codec::FrameBuf, stream::Stream};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `security`
[INFO] [stdout]  --> src/codec/protocol.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     security: Option<()>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `security`
[INFO] [stdout]   --> src/codec/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn security(&mut self, _security: ()) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bind`
[INFO] [stdout]   --> src/stream.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Bind(R),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "08cb8a04a5494e7f3e045a5f11aa21711bb503f5709705dde49d6151a7b7a2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08cb8a04a5494e7f3e045a5f11aa21711bb503f5709705dde49d6151a7b7a2a1", kill_on_drop: false }`
[INFO] [stdout] 08cb8a04a5494e7f3e045a5f11aa21711bb503f5709705dde49d6151a7b7a2a1