[INFO] fetching crate sage_broker 0.1.2...
[INFO] checking sage_broker-0.1.2 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate sage_broker 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sage_broker 0.1.2 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sage_broker 0.1.2
[INFO] finished tweaking crates.io crate sage_broker 0.1.2
[INFO] tweaked toml for crates.io crate sage_broker 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate sage_broker 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-task v0.3.11
[INFO] [stderr]   Downloaded futures-sink v0.3.11
[INFO] [stderr]   Downloaded rand v0.8.2
[INFO] [stderr]   Downloaded futures-io v0.3.11
[INFO] [stderr]   Downloaded futures-executor v0.3.11
[INFO] [stderr]   Downloaded futures-channel v0.3.11
[INFO] [stderr]   Downloaded futures-core v0.3.11
[INFO] [stderr]   Downloaded futures-util v0.3.11
[INFO] [stderr]   Downloaded nanoid v0.3.0
[INFO] [stderr]   Downloaded futures v0.3.11
[INFO] [stderr]   Downloaded futures-macro v0.3.11
[INFO] [stderr]   Downloaded sage_mqtt v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db512395e7101be3a3a19df82917a90b24d4fb3ecfe8db4a025faec58898d651
[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" "db512395e7101be3a3a19df82917a90b24d4fb3ecfe8db4a025faec58898d651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db512395e7101be3a3a19df82917a90b24d4fb3ecfe8db4a025faec58898d651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db512395e7101be3a3a19df82917a90b24d4fb3ecfe8db4a025faec58898d651", kill_on_drop: false }`
[INFO] [stdout] db512395e7101be3a3a19df82917a90b24d4fb3ecfe8db4a025faec58898d651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bdc38c3e6ecc94c125361d85156e02da5f5c68fcb8449aed8c2504e5d0fed2c
[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" "4bdc38c3e6ecc94c125361d85156e02da5f5c68fcb8449aed8c2504e5d0fed2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking futures-core v0.3.11
[INFO] [stderr]     Checking futures-io v0.3.11
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.11
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking futures-task v0.3.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking unicode_reader v1.0.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking futures-channel v0.3.11
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking nanoid v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.11
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking futures-util v0.3.11
[INFO] [stderr]     Checking futures-executor v0.3.11
[INFO] [stderr]     Checking futures v0.3.11
[INFO] [stderr]     Checking sage_mqtt v0.2.5
[INFO] [stderr]     Checking sage_broker v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/connect.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |         panic!(what);
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 47 |         panic!("{}", what);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 47 |         std::panic::panic_any(what);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/connect.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |         panic!(what);
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 91 |         panic!("{}", what);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 91 |         std::panic::panic_any(what);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connect.rs:308:16
[INFO] [stdout]     |
[INFO] [stdout] 308 |         panic!(message);
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 308 |         panic!("{}", message);
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 308 |         std::panic::panic_any(message);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.14s
[INFO] running `Command { std: "docker" "inspect" "4bdc38c3e6ecc94c125361d85156e02da5f5c68fcb8449aed8c2504e5d0fed2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdc38c3e6ecc94c125361d85156e02da5f5c68fcb8449aed8c2504e5d0fed2c", kill_on_drop: false }`
[INFO] [stdout] 4bdc38c3e6ecc94c125361d85156e02da5f5c68fcb8449aed8c2504e5d0fed2c