[INFO] fetching crate mqttrust_core 0.2.0...
[INFO] checking mqttrust_core-0.2.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate mqttrust_core 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mqttrust_core 0.2.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mqttrust_core 0.2.0
[INFO] finished tweaking crates.io crate mqttrust_core 0.2.0
[INFO] tweaked toml for crates.io crate mqttrust_core 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate mqttrust_core 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dns-lookup v1.0.7
[INFO] [stderr]   Downloaded no-std-net v0.5.0
[INFO] [stderr]   Downloaded embedded-time v0.11.0
[INFO] [stderr]   Downloaded mqttrs v0.4.1
[INFO] [stderr]   Downloaded embedded-nal v0.6.0
[INFO] [stderr]   Downloaded mqttrust v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03916e903af3e0e0a1ea72025fff48d57f2a63e7eea4ed47acd645a8903deb3f
[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" "03916e903af3e0e0a1ea72025fff48d57f2a63e7eea4ed47acd645a8903deb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03916e903af3e0e0a1ea72025fff48d57f2a63e7eea4ed47acd645a8903deb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03916e903af3e0e0a1ea72025fff48d57f2a63e7eea4ed47acd645a8903deb3f", kill_on_drop: false }`
[INFO] [stdout] 03916e903af3e0e0a1ea72025fff48d57f2a63e7eea4ed47acd645a8903deb3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc8286582c2e2740c7f38c04262b90017289f95250ee093c95cf7d86ab100e68
[INFO] running `Command { std: "docker" "start" "-a" "fc8286582c2e2740c7f38c04262b90017289f95250ee093c95cf7d86ab100e68", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling defmt-parser v0.2.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking no-std-net v0.5.0
[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 defmt v0.2.3
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking mqttrs v0.4.1
[INFO] [stderr]     Checking embedded-nal v0.6.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking dns-lookup v1.0.7
[INFO] [stderr]     Checking mqttrust v0.2.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.11.0
[INFO] [stderr]    Compiling defmt-macros v0.2.3
[INFO] [stderr]     Checking mqttrust_core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.60s
[INFO] running `Command { std: "docker" "inspect" "fc8286582c2e2740c7f38c04262b90017289f95250ee093c95cf7d86ab100e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8286582c2e2740c7f38c04262b90017289f95250ee093c95cf7d86ab100e68", kill_on_drop: false }`
[INFO] [stdout] fc8286582c2e2740c7f38c04262b90017289f95250ee093c95cf7d86ab100e68