[INFO] fetching crate tjh-mqtt 0.2.1...
[INFO] checking tjh-mqtt-0.2.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate tjh-mqtt 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tjh-mqtt 0.2.1
[INFO] finished tweaking crates.io crate tjh-mqtt 0.2.1
[INFO] tweaked toml for crates.io crate tjh-mqtt 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tjh-mqtt 0.2.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding tokio-rustls v0.24.1 (available: v0.26.2)
[INFO] [stderr]       Adding webpki-roots v0.25.4 (available: v1.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa91d343f926e6d1ed3ce187bc040ff76c98e05fbdd75f4a63795c69486e1c38
[INFO] running `Command { std: "docker" "start" "-a" "fa91d343f926e6d1ed3ce187bc040ff76c98e05fbdd75f4a63795c69486e1c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa91d343f926e6d1ed3ce187bc040ff76c98e05fbdd75f4a63795c69486e1c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa91d343f926e6d1ed3ce187bc040ff76c98e05fbdd75f4a63795c69486e1c38", kill_on_drop: false }`
[INFO] [stdout] fa91d343f926e6d1ed3ce187bc040ff76c98e05fbdd75f4a63795c69486e1c38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df32893a7dff4dd54af681e353d3815a87051958b7df9bfda5a1ef486c072f1d
[INFO] running `Command { std: "docker" "start" "-a" "df32893a7dff4dd54af681e353d3815a87051958b7df9bfda5a1ef486c072f1d", kill_on_drop: false }`
[INFO] [stderr]     Checking tjh-mqtt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `WrappingNonZeroU16` is never constructed
[INFO] [stdout]   --> src/misc.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) struct WrappingNonZeroU16(NonZeroU16);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `MAX` and `get` are never used
[INFO] [stdout]   --> src/misc.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl WrappingNonZeroU16 {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 94 |     // pub const MIN: Self = Self(NonZeroU16::MIN);
[INFO] [stdout] 95 |     pub const MAX: Self = Self(NonZeroU16::MAX);
[INFO] [stdout]    |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub fn get(&self) -> NonZeroU16 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/topic.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn from_static(s: &'static str) -> &Self {
[INFO] [stdout]    |                            ^^^^^^^         ----- the same lifetime is elided here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn from_static(s: &'static str) -> &'static Self {
[INFO] [stdout]    |                                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WrappingNonZeroU16` is never constructed
[INFO] [stdout]   --> src/misc.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) struct WrappingNonZeroU16(NonZeroU16);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `MAX` and `get` are never used
[INFO] [stdout]   --> src/misc.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl WrappingNonZeroU16 {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 94 |     // pub const MIN: Self = Self(NonZeroU16::MIN);
[INFO] [stdout] 95 |     pub const MAX: Self = Self(NonZeroU16::MAX);
[INFO] [stdout]    |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub fn get(&self) -> NonZeroU16 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/topic.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn from_static(s: &'static str) -> &Self {
[INFO] [stdout]    |                            ^^^^^^^         ----- the same lifetime is elided here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn from_static(s: &'static str) -> &'static Self {
[INFO] [stdout]    |                                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "df32893a7dff4dd54af681e353d3815a87051958b7df9bfda5a1ef486c072f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df32893a7dff4dd54af681e353d3815a87051958b7df9bfda5a1ef486c072f1d", kill_on_drop: false }`
[INFO] [stdout] df32893a7dff4dd54af681e353d3815a87051958b7df9bfda5a1ef486c072f1d