[INFO] fetching crate embedded-nal-minimal-coapserver 0.3.0...
[INFO] checking embedded-nal-minimal-coapserver-0.3.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate embedded-nal-minimal-coapserver 0.3.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate embedded-nal-minimal-coapserver 0.3.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-nal-minimal-coapserver 0.3.0
[INFO] finished tweaking crates.io crate embedded-nal-minimal-coapserver 0.3.0
[INFO] tweaked toml for crates.io crate embedded-nal-minimal-coapserver 0.3.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-derive v0.3.3
[INFO] [stderr]   Downloaded windowed-infinity v0.1.1
[INFO] [stderr]   Downloaded coap-numbers v0.1.2
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.3
[INFO] [stderr]   Downloaded coap-message v0.2.0
[INFO] [stderr]   Downloaded coap-message-utils v0.1.0
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded coap-handler v0.1.1
[INFO] [stderr]   Downloaded heapless v0.7.5
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded embedded-nal v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0c065f917db97e757ef43efc67cd31c0d86d92d896d75e78d7201dd6e04587
[INFO] running `Command { std: "docker" "start" "-a" "2d0c065f917db97e757ef43efc67cd31c0d86d92d896d75e78d7201dd6e04587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0c065f917db97e757ef43efc67cd31c0d86d92d896d75e78d7201dd6e04587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0c065f917db97e757ef43efc67cd31c0d86d92d896d75e78d7201dd6e04587", kill_on_drop: false }`
[INFO] [stdout] 2d0c065f917db97e757ef43efc67cd31c0d86d92d896d75e78d7201dd6e04587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2575e02999c8be7ba760f18c5054b03da10d2bc1f7e5b16a91055ef581e5d16e
[INFO] running `Command { std: "docker" "start" "-a" "2575e02999c8be7ba760f18c5054b03da10d2bc1f7e5b16a91055ef581e5d16e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling heapless v0.7.5
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking coap-message v0.2.0
[INFO] [stderr]     Checking coap-numbers v0.1.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking no-std-net v0.5.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking embedded-nal v0.6.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking coap-message-utils v0.1.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking windowed-infinity v0.1.1
[INFO] [stderr]     Checking coap-handler v0.1.1
[INFO] [stderr]     Checking embedded-nal-minimal-coapserver v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.17s
[INFO] running `Command { std: "docker" "inspect" "2575e02999c8be7ba760f18c5054b03da10d2bc1f7e5b16a91055ef581e5d16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2575e02999c8be7ba760f18c5054b03da10d2bc1f7e5b16a91055ef581e5d16e", kill_on_drop: false }`
[INFO] [stdout] 2575e02999c8be7ba760f18c5054b03da10d2bc1f7e5b16a91055ef581e5d16e