[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] ab92a5de062dcfd7ca65fe510459a5c1365f4f1a
[INFO] checking BlackbirdHQ/ublox-cellular-rs against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackbirdHQ%2Fublox-cellular-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BlackbirdHQ/ublox-cellular-rs on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-time v0.10.1
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.2
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded heapless v0.7.1
[INFO] [stderr]   Downloaded atat v0.11.0
[INFO] [stderr]   Downloaded embedded-nal v0.6.0
[INFO] [stderr]   Downloaded serde_at v0.11.0
[INFO] [stderr]   Downloaded atat_derive v0.11.0
[INFO] [stderr]   Downloaded hash32-derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea1e82a11bc59aa47fcc83831c65f054888b82fb2691c68f9e4c2e55a2a1aef7
[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" "ea1e82a11bc59aa47fcc83831c65f054888b82fb2691c68f9e4c2e55a2a1aef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea1e82a11bc59aa47fcc83831c65f054888b82fb2691c68f9e4c2e55a2a1aef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1e82a11bc59aa47fcc83831c65f054888b82fb2691c68f9e4c2e55a2a1aef7", kill_on_drop: false }`
[INFO] [stdout] ea1e82a11bc59aa47fcc83831c65f054888b82fb2691c68f9e4c2e55a2a1aef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16ade007a4e016c0e0474fc316467218dc9dd658f01f4c6ecf45dfd684d74e6f
[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" "16ade007a4e016c0e0474fc316467218dc9dd658f01f4c6ecf45dfd684d74e6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling heapless v0.7.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling defmt-parser v0.2.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.4
[INFO] [stderr]    Compiling defmt v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.10.1
[INFO] [stderr]    Compiling hash32-derive v0.1.0
[INFO] [stderr]    Compiling defmt-macros v0.2.1
[INFO] [stderr]     Checking no-std-net v0.5.0
[INFO] [stderr]     Checking serde_at v0.11.0
[INFO] [stderr]     Checking embedded-nal v0.6.0
[INFO] [stderr]    Compiling atat_derive v0.11.0
[INFO] [stderr]     Checking atat v0.11.0
[INFO] [stderr]     Checking ublox-cellular-rs v0.2.0 (/opt/rustwide/workdir/ublox-cellular)
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> ublox-cellular/src/network.rs:470:21
[INFO] [stdout]     |
[INFO] [stdout] 470 |                     state,
[INFO] [stdout]     |                     ^^^^^ help: try ignoring the field: `state: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> ublox-cellular/src/network.rs:484:21
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     result,
[INFO] [stdout]     |                     ^^^^^^ help: try ignoring the field: `result: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `profile_id`
[INFO] [stdout]    --> ublox-cellular/src/network.rs:491:21
[INFO] [stdout]     |
[INFO] [stdout] 491 |                     profile_id,
[INFO] [stdout]     |                     ^^^^^^^^^^ help: try ignoring the field: `profile_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> ublox-cellular/src/network.rs:523:24
[INFO] [stdout]     |
[INFO] [stdout] 523 |             if let Err(e) = self.handle_urc() {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> ublox-cellular/src/services/data/socket/set.rs:145:25
[INFO] [stdout]     |
[INFO] [stdout] 145 |             .for_each(|(index, slot)| {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> ublox-cellular/src/network.rs:470:21
[INFO] [stdout]     |
[INFO] [stdout] 470 |                     state,
[INFO] [stdout]     |                     ^^^^^ help: try ignoring the field: `state: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> ublox-cellular/src/network.rs:484:21
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     result,
[INFO] [stdout]     |                     ^^^^^^ help: try ignoring the field: `result: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `profile_id`
[INFO] [stdout]    --> ublox-cellular/src/network.rs:491:21
[INFO] [stdout]     |
[INFO] [stdout] 491 |                     profile_id,
[INFO] [stdout]     |                     ^^^^^^^^^^ help: try ignoring the field: `profile_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> ublox-cellular/src/network.rs:523:24
[INFO] [stdout]     |
[INFO] [stdout] 523 |             if let Err(e) = self.handle_urc() {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> ublox-cellular/src/services/data/socket/set.rs:145:25
[INFO] [stdout]     |
[INFO] [stdout] 145 |             .for_each(|(index, slot)| {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.71s
[INFO] running `Command { std: "docker" "inspect" "16ade007a4e016c0e0474fc316467218dc9dd658f01f4c6ecf45dfd684d74e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ade007a4e016c0e0474fc316467218dc9dd658f01f4c6ecf45dfd684d74e6f", kill_on_drop: false }`
[INFO] [stdout] 16ade007a4e016c0e0474fc316467218dc9dd658f01f4c6ecf45dfd684d74e6f