[INFO] cloning repository https://github.com/rgrunbla/RustZmqExample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rgrunbla/RustZmqExample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgrunbla%2FRustZmqExample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgrunbla%2FRustZmqExample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e7636fc82ded887a3cbd2c55e10a865d4dd2ad7
[INFO] checking rgrunbla/RustZmqExample against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgrunbla%2FRustZmqExample" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rgrunbla/RustZmqExample on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rgrunbla/RustZmqExample
[INFO] finished tweaking git repo https://github.com/rgrunbla/RustZmqExample
[INFO] tweaked toml for git repo https://github.com/rgrunbla/RustZmqExample written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rgrunbla/RustZmqExample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking rgrunbla/RustZmqExample against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgrunbla%2FRustZmqExample" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rgrunbla/RustZmqExample on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rgrunbla/RustZmqExample
[INFO] finished tweaking git repo https://github.com/rgrunbla/RustZmqExample
[INFO] tweaked toml for git repo https://github.com/rgrunbla/RustZmqExample written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rgrunbla/RustZmqExample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26fa45b1dc9b274d453278b3e773c19d1979a0ef0ac9810465e8f33a87636abf
[INFO] running `Command { std: "docker" "start" "-a" "26fa45b1dc9b274d453278b3e773c19d1979a0ef0ac9810465e8f33a87636abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26fa45b1dc9b274d453278b3e773c19d1979a0ef0ac9810465e8f33a87636abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fa45b1dc9b274d453278b3e773c19d1979a0ef0ac9810465e8f33a87636abf", kill_on_drop: false }`
[INFO] [stdout] 26fa45b1dc9b274d453278b3e773c19d1979a0ef0ac9810465e8f33a87636abf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dnon_local_definitions" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c4b3d6517c32428cd7f1f1afb515ef13b8eb9e0be7e4fc204a672d11baff37
[INFO] running `Command { std: "docker" "start" "-a" "48c4b3d6517c32428cd7f1f1afb515ef13b8eb9e0be7e4fc204a672d11baff37", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking RustZmqExample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/main.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use zmq::{Context, Message, Error};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/main.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use zmq::{Context, Message, Error};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `zmq::Socket::send_str`: Use `send` instead
[INFO] [stdout]   --> src/main.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |             sock.send_str("Hello", flags);
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `zmq::Message::from_slice`: Use the `From` trait instead.
[INFO] [stdout]   --> src/main.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |             let msg = Message::from_slice(&data);
[INFO] [stdout]    |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `zmq::Socket::send_msg`: Use `send` instead
[INFO] [stdout]   --> src/main.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |             sock.send_msg(msg, flags);
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `zmq::Socket::send_str`: Use `send` instead
[INFO] [stdout]   --> src/main.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |             sock.send_str("Hello", flags);
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `zmq::Message::from_slice`: Use the `From` trait instead.
[INFO] [stdout]   --> src/main.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |             let msg = Message::from_slice(&data);
[INFO] [stdout]    |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `zmq::Socket::send_msg`: Use `send` instead
[INFO] [stdout]   --> src/main.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |             sock.send_msg(msg, flags);
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RustZmqExample` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_zmq_example`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RustZmqExample` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_zmq_example`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             sock.send_str("Hello", flags);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let _ = sock.send_str("Hello", flags);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             sock.send_str("Hello", flags);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let _ = sock.send_str("Hello", flags);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             sock.send_msg(msg, flags);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let _ = sock.send_msg(msg, flags);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             sock.send_msg(msg, flags);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let _ = sock.send_msg(msg, flags);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "48c4b3d6517c32428cd7f1f1afb515ef13b8eb9e0be7e4fc204a672d11baff37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c4b3d6517c32428cd7f1f1afb515ef13b8eb9e0be7e4fc204a672d11baff37", kill_on_drop: false }`
[INFO] [stdout] 48c4b3d6517c32428cd7f1f1afb515ef13b8eb9e0be7e4fc204a672d11baff37