[INFO] cloning repository https://github.com/VladTyzhnevyi/PCB-Debugging-Tests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VladTyzhnevyi/PCB-Debugging-Tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladTyzhnevyi%2FPCB-Debugging-Tests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladTyzhnevyi%2FPCB-Debugging-Tests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd2370b0f8fd5318afb98c101d12cc929dbadaa8
[INFO] checking VladTyzhnevyi/PCB-Debugging-Tests against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladTyzhnevyi%2FPCB-Debugging-Tests" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VladTyzhnevyi/PCB-Debugging-Tests on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/VladTyzhnevyi/PCB-Debugging-Tests
[INFO] finished tweaking git repo https://github.com/VladTyzhnevyi/PCB-Debugging-Tests
[INFO] tweaked toml for git repo https://github.com/VladTyzhnevyi/PCB-Debugging-Tests written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/VladTyzhnevyi/PCB-Debugging-Tests already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f98f96eb547a125055f22e1bf97fd9177cacdf4c3fbef76aaf1492d606d49e32
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f98f96eb547a125055f22e1bf97fd9177cacdf4c3fbef76aaf1492d606d49e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f98f96eb547a125055f22e1bf97fd9177cacdf4c3fbef76aaf1492d606d49e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98f96eb547a125055f22e1bf97fd9177cacdf4c3fbef76aaf1492d606d49e32", kill_on_drop: false }`
[INFO] [stdout] f98f96eb547a125055f22e1bf97fd9177cacdf4c3fbef76aaf1492d606d49e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bf0a83f75bc1a21c7376a63d26a8be475e9546f6c56081b16bcadf43e0a2eb1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1bf0a83f75bc1a21c7376a63d26a8be475e9546f6c56081b16bcadf43e0a2eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling tm4c129x v0.8.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking managed v0.5.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking smoltcp v0.4.0 (https://github.com/m-labs/smoltcp?rev=cd893e6#cd893e6a)
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/smoltcp-ebf9e93b1271bd34/cd893e6/src/socket/ref_.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<'a, T: Session + 'a> Ref<'a, T> {
[INFO] [stdout]    |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 61 |         ref_.socket
[INFO] [stdout]    |         ^^^^^^^^^^^ returning this value requires that `*ref_.socket` is borrowed for `'a`
[INFO] [stdout] 62 |     }
[INFO] [stdout]    |     - here, drop of `ref_` needs exclusive access to `*ref_.socket`, because the type `ref_::Ref<'_, T>` implements the `Drop` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smoltcp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1bf0a83f75bc1a21c7376a63d26a8be475e9546f6c56081b16bcadf43e0a2eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf0a83f75bc1a21c7376a63d26a8be475e9546f6c56081b16bcadf43e0a2eb1", kill_on_drop: false }`
[INFO] [stdout] 1bf0a83f75bc1a21c7376a63d26a8be475e9546f6c56081b16bcadf43e0a2eb1