[INFO] cloning repository https://github.com/BlackbirdHQ/ublox-cellular-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlackbirdHQ/ublox-cellular-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackbirdHQ%2Fublox-cellular-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackbirdHQ%2Fublox-cellular-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ac1353935af5db9411ef03f610e31bc4b407376
[INFO] testing BlackbirdHQ/ublox-cellular-rs against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackbirdHQ%2Fublox-cellular-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BlackbirdHQ/ublox-cellular-rs on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BlackbirdHQ/ublox-cellular-rs
[INFO] finished tweaking git repo https://github.com/BlackbirdHQ/ublox-cellular-rs
[INFO] tweaked toml for git repo https://github.com/BlackbirdHQ/ublox-cellular-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58d6518423b557f44f7b462504560fdb1ac236cb5a241d3cf490fe09ad657115
[INFO] running `Command { std: "docker" "start" "-a" "58d6518423b557f44f7b462504560fdb1ac236cb5a241d3cf490fe09ad657115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d6518423b557f44f7b462504560fdb1ac236cb5a241d3cf490fe09ad657115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d6518423b557f44f7b462504560fdb1ac236cb5a241d3cf490fe09ad657115", kill_on_drop: false }`
[INFO] [stdout] 58d6518423b557f44f7b462504560fdb1ac236cb5a241d3cf490fe09ad657115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4368edc6fa2a222da8473b32b07a6db0c59573b41cfa803eb84d0f9c34a965de
[INFO] running `Command { std: "docker" "start" "-a" "4368edc6fa2a222da8473b32b07a6db0c59573b41cfa803eb84d0f9c34a965de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling defmt-parser v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling embedded-hal v1.0.0-alpha.4
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling defmt v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling embedded-time v0.11.0
[INFO] [stderr]    Compiling defmt-macros v0.2.3
[INFO] [stderr]    Compiling hash32-derive v0.1.1
[INFO] [stderr]    Compiling no-std-net v0.5.0
[INFO] [stderr]    Compiling serde_at v0.11.1
[INFO] [stderr]    Compiling embedded-nal v0.6.0
[INFO] [stderr]    Compiling atat_derive v0.11.1
[INFO] [stderr]    Compiling atat v0.11.1
[INFO] [stderr]    Compiling ublox-cellular-rs v0.2.0 (/opt/rustwide/workdir/ublox-cellular)
[INFO] [stdout] warning: field is never read: `consumed`
[INFO] [stdout]  --> ublox-cellular/src/services/data/socket/ref_.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     consumed: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.16s
[INFO] running `Command { std: "docker" "inspect" "4368edc6fa2a222da8473b32b07a6db0c59573b41cfa803eb84d0f9c34a965de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4368edc6fa2a222da8473b32b07a6db0c59573b41cfa803eb84d0f9c34a965de", kill_on_drop: false }`
[INFO] [stdout] 4368edc6fa2a222da8473b32b07a6db0c59573b41cfa803eb84d0f9c34a965de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09081f29bef27e1dc6d2ff8f85b69482b4910de8b5923c12b93fbfa42fe772e8
[INFO] running `Command { std: "docker" "start" "-a" "09081f29bef27e1dc6d2ff8f85b69482b4910de8b5923c12b93fbfa42fe772e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ublox-cellular-rs v0.2.0 (/opt/rustwide/workdir/ublox-cellular)
[INFO] [stdout] warning: field is never read: `consumed`
[INFO] [stdout]  --> ublox-cellular/src/services/data/socket/ref_.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     consumed: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0080]: evaluation of `heapless::sealed::Assert::<0_usize, 0_usize>::GREATER` failed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/heapless-0.7.3/src/sealed.rs:56:32
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub const GREATER: usize = L - R - 1;
[INFO] [stdout]    |                                ^^^^^^^^^ attempt to compute `0_usize - 1_usize`, which would overflow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: the above error was encountered while instantiating `fn heapless::sealed::greater_than_0::<0_usize>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/heapless-0.7.3/src/vec.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         crate::sealed::greater_than_0::<N>();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0080`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ublox-cellular-rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "09081f29bef27e1dc6d2ff8f85b69482b4910de8b5923c12b93fbfa42fe772e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09081f29bef27e1dc6d2ff8f85b69482b4910de8b5923c12b93fbfa42fe772e8", kill_on_drop: false }`
[INFO] [stdout] 09081f29bef27e1dc6d2ff8f85b69482b4910de8b5923c12b93fbfa42fe772e8