[INFO] fetching crate sage_mqtt 0.5.0...
[INFO] building sage_mqtt-0.5.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate sage_mqtt 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate sage_mqtt 0.5.0
[INFO] finished tweaking crates.io crate sage_mqtt 0.5.0
[INFO] tweaked toml for crates.io crate sage_mqtt 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sage_mqtt 0.5.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sage_mqtt 0.5.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] [stderr]   Downloaded unicode_reader v1.0.2
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.8.0
[INFO] [stderr]   Downloaded tokio v1.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8177eab8da97720091da3c505653693f96b195ce901d20c216e0cd08937f717
[INFO] running `Command { std: "docker" "start" "-a" "a8177eab8da97720091da3c505653693f96b195ce901d20c216e0cd08937f717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8177eab8da97720091da3c505653693f96b195ce901d20c216e0cd08937f717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8177eab8da97720091da3c505653693f96b195ce901d20c216e0cd08937f717", kill_on_drop: false }`
[INFO] [stdout] a8177eab8da97720091da3c505653693f96b195ce901d20c216e0cd08937f717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02c94414660368d3e2c7035273120fcf8f3ec71804e9b5641bbb7cd4c9ac34d0
[INFO] running `Command { std: "docker" "start" "-a" "02c94414660368d3e2c7035273120fcf8f3ec71804e9b5641bbb7cd4c9ac34d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling unicode_reader v1.0.2
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling sage_mqtt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `PayloadRequirements` is never used
[INFO] [stdout]   --> src/packet_type.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum PayloadRequirements {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "02c94414660368d3e2c7035273120fcf8f3ec71804e9b5641bbb7cd4c9ac34d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c94414660368d3e2c7035273120fcf8f3ec71804e9b5641bbb7cd4c9ac34d0", kill_on_drop: false }`
[INFO] [stdout] 02c94414660368d3e2c7035273120fcf8f3ec71804e9b5641bbb7cd4c9ac34d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4c2f8e5ef72d65e5a0ac049527c0b1c369bc512638f278d6dbcd1f34ac4c343
[INFO] running `Command { std: "docker" "start" "-a" "f4c2f8e5ef72d65e5a0ac049527c0b1c369bc512638f278d6dbcd1f34ac4c343", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling sage_mqtt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `PayloadRequirements` is never used
[INFO] [stdout]   --> src/packet_type.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum PayloadRequirements {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PayloadRequirements` is never used
[INFO] [stdout]   --> src/packet_type.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum PayloadRequirements {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `Command { std: "docker" "inspect" "f4c2f8e5ef72d65e5a0ac049527c0b1c369bc512638f278d6dbcd1f34ac4c343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c2f8e5ef72d65e5a0ac049527c0b1c369bc512638f278d6dbcd1f34ac4c343", kill_on_drop: false }`
[INFO] [stdout] f4c2f8e5ef72d65e5a0ac049527c0b1c369bc512638f278d6dbcd1f34ac4c343