[INFO] fetching crate mqttrust 0.6.0...
[INFO] testing mqttrust-0.6.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate mqttrust 0.6.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mqttrust 0.6.0
[INFO] finished tweaking crates.io crate mqttrust 0.6.0
[INFO] tweaked toml for crates.io crate mqttrust 0.6.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mqttrust 0.6.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5668a2fe37beb100a1b08db62215c6729fa6579149db70b914a55f6c192483c
[INFO] running `Command { std: "docker" "start" "-a" "d5668a2fe37beb100a1b08db62215c6729fa6579149db70b914a55f6c192483c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5668a2fe37beb100a1b08db62215c6729fa6579149db70b914a55f6c192483c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5668a2fe37beb100a1b08db62215c6729fa6579149db70b914a55f6c192483c", kill_on_drop: false }`
[INFO] [stdout] d5668a2fe37beb100a1b08db62215c6729fa6579149db70b914a55f6c192483c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a98df131476cbe907e130b9e9cd37f6c06d8458ebd0e46a9dcd24c7d72a1ad0
[INFO] running `Command { std: "docker" "start" "-a" "7a98df131476cbe907e130b9e9cd37f6c06d8458ebd0e46a9dcd24c7d72a1ad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqttrust v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NoneError` is never constructed
[INFO] [stdout]    --> src/fmt.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub struct NoneError;
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Try` is never used
[INFO] [stdout]    --> src/fmt.rs:223:11
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub trait Try {
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "7a98df131476cbe907e130b9e9cd37f6c06d8458ebd0e46a9dcd24c7d72a1ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a98df131476cbe907e130b9e9cd37f6c06d8458ebd0e46a9dcd24c7d72a1ad0", kill_on_drop: false }`
[INFO] [stdout] 7a98df131476cbe907e130b9e9cd37f6c06d8458ebd0e46a9dcd24c7d72a1ad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d978f23cc8c5f16e5e7bada37591754a636898da9ca632cf177c0d8b2c35908
[INFO] running `Command { std: "docker" "start" "-a" "7d978f23cc8c5f16e5e7bada37591754a636898da9ca632cf177c0d8b2c35908", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqttrust v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NoneError` is never constructed
[INFO] [stdout]    --> src/fmt.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub struct NoneError;
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Try` is never used
[INFO] [stdout]    --> src/fmt.rs:223:11
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub trait Try {
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoneError` is never constructed
[INFO] [stdout]    --> src/fmt.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub struct NoneError;
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Try` is never used
[INFO] [stdout]    --> src/fmt.rs:223:11
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub trait Try {
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "7d978f23cc8c5f16e5e7bada37591754a636898da9ca632cf177c0d8b2c35908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d978f23cc8c5f16e5e7bada37591754a636898da9ca632cf177c0d8b2c35908", kill_on_drop: false }`
[INFO] [stdout] 7d978f23cc8c5f16e5e7bada37591754a636898da9ca632cf177c0d8b2c35908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51dd118df9b06f1c6346c533b979694fd3f98d1e45021610dc4a50325de8a61f
[INFO] running `Command { std: "docker" "start" "-a" "51dd118df9b06f1c6346c533b979694fd3f98d1e45021610dc4a50325de8a61f", kill_on_drop: false }`
[INFO] [stderr] warning: struct `NoneError` is never constructed
[INFO] [stderr]    --> src/fmt.rs:221:12
[INFO] [stderr]     |
[INFO] [stderr] 221 | pub struct NoneError;
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Try` is never used
[INFO] [stderr]    --> src/fmt.rs:223:11
[INFO] [stderr]     |
[INFO] [stderr] 223 | pub trait Try {
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mqttrust` (lib) generated 2 warnings
[INFO] [stderr] warning: `mqttrust` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mqttrust-56aa5f7ec2a15bf9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test encoding::v4::utils::test::pid_add_sub ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqttrust
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/encoding/v4/utils.rs - encoding::v4::utils::Pid (line 47) ... ok
[INFO] [stdout] test src/encoding/v4/packet.rs - encoding::v4::packet::Packet (line 12) ... ok
[INFO] [stdout] test src/encoding/v4/encoder.rs - encoding::v4::encoder::encode_slice (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51dd118df9b06f1c6346c533b979694fd3f98d1e45021610dc4a50325de8a61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51dd118df9b06f1c6346c533b979694fd3f98d1e45021610dc4a50325de8a61f", kill_on_drop: false }`
[INFO] [stdout] 51dd118df9b06f1c6346c533b979694fd3f98d1e45021610dc4a50325de8a61f
