[INFO] cloning repository https://github.com/Husky22/mini-mqtt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Husky22/mini-mqtt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHusky22%2Fmini-mqtt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHusky22%2Fmini-mqtt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21484cb0c17431d13210d8975b2c9f6ce7b70a51
[INFO] checking Husky22/mini-mqtt against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHusky22%2Fmini-mqtt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Husky22/mini-mqtt on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Husky22/mini-mqtt
[INFO] finished tweaking git repo https://github.com/Husky22/mini-mqtt
[INFO] tweaked toml for git repo https://github.com/Husky22/mini-mqtt written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Husky22/mini-mqtt 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deku_derive v0.16.0
[INFO] [stderr]   Downloaded winnow v0.5.36
[INFO] [stderr]   Downloaded deku v0.16.0
[INFO] [stderr]   Downloaded zerocopy v0.7.15
[INFO] [stderr]   Downloaded zerocopy-derive v0.7.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f449bd271e065034c967a712a28e635ca78c0a20edc4e4330e991c0cd093a01
[INFO] running `Command { std: "docker" "start" "-a" "8f449bd271e065034c967a712a28e635ca78c0a20edc4e4330e991c0cd093a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f449bd271e065034c967a712a28e635ca78c0a20edc4e4330e991c0cd093a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f449bd271e065034c967a712a28e635ca78c0a20edc4e4330e991c0cd093a01", kill_on_drop: false }`
[INFO] [stdout] 8f449bd271e065034c967a712a28e635ca78c0a20edc4e4330e991c0cd093a01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bc3673611ce8accbeda5224d462d5b10df92807551eed24ee64f737d0a6f3f9
[INFO] running `Command { std: "docker" "start" "-a" "1bc3673611ce8accbeda5224d462d5b10df92807551eed24ee64f737d0a6f3f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling winnow v0.5.36
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling indexmap v2.2.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling eyre v0.6.11
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling deku_derive v0.16.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking deku v0.16.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking mini-mqtt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Duration`, `sleep`
[INFO] [stdout]  --> src/bin/client.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     time::{sleep, Duration},
[INFO] [stdout]   |            ^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/bin/client.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let msg: Message = Message::try_from(
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `sleep`
[INFO] [stdout]  --> src/bin/client.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     time::{sleep, Duration},
[INFO] [stdout]   |            ^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/bin/client.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let msg: Message = Message::try_from(
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.79s
[INFO] running `Command { std: "docker" "inspect" "1bc3673611ce8accbeda5224d462d5b10df92807551eed24ee64f737d0a6f3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc3673611ce8accbeda5224d462d5b10df92807551eed24ee64f737d0a6f3f9", kill_on_drop: false }`
[INFO] [stdout] 1bc3673611ce8accbeda5224d462d5b10df92807551eed24ee64f737d0a6f3f9
[INFO] checking Husky22/mini-mqtt against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHusky22%2Fmini-mqtt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Husky22/mini-mqtt on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Husky22/mini-mqtt
[INFO] finished tweaking git repo https://github.com/Husky22/mini-mqtt
[INFO] tweaked toml for git repo https://github.com/Husky22/mini-mqtt written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Husky22/mini-mqtt 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d75049710ce67175c49022b14814affa993f8d1b14054dc3dbb7352abef596ef
[INFO] running `Command { std: "docker" "start" "-a" "d75049710ce67175c49022b14814affa993f8d1b14054dc3dbb7352abef596ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d75049710ce67175c49022b14814affa993f8d1b14054dc3dbb7352abef596ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75049710ce67175c49022b14814affa993f8d1b14054dc3dbb7352abef596ef", kill_on_drop: false }`
[INFO] [stdout] d75049710ce67175c49022b14814affa993f8d1b14054dc3dbb7352abef596ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4984da0823f325768122437272cc1bb5504b7a5b7386381ac20a56c3671f7e1
[INFO] running `Command { std: "docker" "start" "-a" "b4984da0823f325768122437272cc1bb5504b7a5b7386381ac20a56c3671f7e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking lock_api v0.4.11
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling winnow v0.5.36
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling indexmap v2.2.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signal-hook-registry-1.4.1/src/half_lock.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             unsafe { libc::abort() };
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `signal-hook-registry` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b4984da0823f325768122437272cc1bb5504b7a5b7386381ac20a56c3671f7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4984da0823f325768122437272cc1bb5504b7a5b7386381ac20a56c3671f7e1", kill_on_drop: false }`
[INFO] [stdout] b4984da0823f325768122437272cc1bb5504b7a5b7386381ac20a56c3671f7e1