[INFO] fetching crate sage_mqtt 0.5.0...
[INFO] building sage_mqtt-0.5.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate sage_mqtt 0.5.0 into /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sage_mqtt 0.5.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1e110f9702ee02e3640a5cd36e2a53aa470ae1a5ed2d3780accd3238edaa4bd
[INFO] running `Command { std: "docker" "start" "-a" "d1e110f9702ee02e3640a5cd36e2a53aa470ae1a5ed2d3780accd3238edaa4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1e110f9702ee02e3640a5cd36e2a53aa470ae1a5ed2d3780accd3238edaa4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e110f9702ee02e3640a5cd36e2a53aa470ae1a5ed2d3780accd3238edaa4bd", kill_on_drop: false }`
[INFO] [stdout] d1e110f9702ee02e3640a5cd36e2a53aa470ae1a5ed2d3780accd3238edaa4bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2aef42e7efc8d7a471fcf23fab339c3b4f529e7a03c46c4c1a59a08d70dde2a
[INFO] running `Command { std: "docker" "start" "-a" "e2aef42e7efc8d7a471fcf23fab339c3b4f529e7a03c46c4c1a59a08d70dde2a", 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 3.73s
[INFO] running `Command { std: "docker" "inspect" "e2aef42e7efc8d7a471fcf23fab339c3b4f529e7a03c46c4c1a59a08d70dde2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2aef42e7efc8d7a471fcf23fab339c3b4f529e7a03c46c4c1a59a08d70dde2a", kill_on_drop: false }`
[INFO] [stdout] e2aef42e7efc8d7a471fcf23fab339c3b4f529e7a03c46c4c1a59a08d70dde2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43fa2ac07c05a29d37497071d121212a2b81add924f0c544b6f5effe6088cc4f
[INFO] running `Command { std: "docker" "start" "-a" "43fa2ac07c05a29d37497071d121212a2b81add924f0c544b6f5effe6088cc4f", 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 14.38s
[INFO] running `Command { std: "docker" "inspect" "43fa2ac07c05a29d37497071d121212a2b81add924f0c544b6f5effe6088cc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43fa2ac07c05a29d37497071d121212a2b81add924f0c544b6f5effe6088cc4f", kill_on_drop: false }`
[INFO] [stdout] 43fa2ac07c05a29d37497071d121212a2b81add924f0c544b6f5effe6088cc4f