[INFO] fetching crate embedded-nal-minimal-coaptcpserver 0.2.0... [INFO] checking embedded-nal-minimal-coaptcpserver-0.2.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate embedded-nal-minimal-coaptcpserver 0.2.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate embedded-nal-minimal-coaptcpserver 0.2.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate embedded-nal-minimal-coaptcpserver 0.2.0 [INFO] finished tweaking crates.io crate embedded-nal-minimal-coaptcpserver 0.2.0 [INFO] tweaked toml for crates.io crate embedded-nal-minimal-coaptcpserver 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 29 packages to latest compatible versions [INFO] [stderr] Adding coap-numbers v0.1.2 (latest: v0.2.4) [INFO] [stderr] Adding embedded-nal v0.6.0 (latest: v0.8.0) [INFO] [stderr] Adding hash32 v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding heapless v0.7.17 (latest: v0.8.0) [INFO] [stderr] Adding minicbor v0.19.1 (latest: v0.24.2) [INFO] [stderr] Adding no-std-net v0.5.0 (latest: v0.6.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded coap-message v0.3.3 [INFO] [stderr] Downloaded embedded-nal v0.6.0 [INFO] [stderr] Downloaded coap-numbers v0.1.2 [INFO] [stderr] Downloaded minicbor v0.19.1 [INFO] [stderr] Downloaded coap-handler v0.2.0 [INFO] [stderr] Downloaded coap-numbers v0.2.4 [INFO] [stderr] Downloaded coap-message-implementations v0.1.5 [INFO] [stderr] Downloaded embedded-nal-tcpextensions v0.1.2 [INFO] [stderr] Downloaded coap-message-utils v0.3.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a4df36de5605943bc9aefd80f592ec7c4ecbf01ade41a316711f3fec2dbb332 [INFO] running `Command { std: "docker" "start" "-a" "4a4df36de5605943bc9aefd80f592ec7c4ecbf01ade41a316711f3fec2dbb332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a4df36de5605943bc9aefd80f592ec7c4ecbf01ade41a316711f3fec2dbb332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a4df36de5605943bc9aefd80f592ec7c4ecbf01ade41a316711f3fec2dbb332", kill_on_drop: false }` [INFO] [stdout] 4a4df36de5605943bc9aefd80f592ec7c4ecbf01ade41a316711f3fec2dbb332 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a639c6b49a52b5bcda2cf970f629ef6bd7da6028cdd011466112ef34c411bd1 [INFO] running `Command { std: "docker" "start" "-a" "6a639c6b49a52b5bcda2cf970f629ef6bd7da6028cdd011466112ef34c411bd1", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling minicbor v0.19.1 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling litrs v0.4.1 [INFO] [stderr] Checking coap-numbers v0.2.4 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Checking no-std-net v0.5.0 [INFO] [stderr] Checking coap-numbers v0.1.2 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling document-features v0.2.10 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking coap-message v0.3.3 [INFO] [stderr] Checking coap-message-utils v0.3.6 [INFO] [stderr] Checking coap-handler v0.2.0 [INFO] [stderr] Checking coap-message-implementations v0.1.5 [INFO] [stderr] Checking embedded-nal v0.6.0 [INFO] [stderr] Checking embedded-nal-tcpextensions v0.1.2 [INFO] [stderr] Checking embedded-nal-minimal-coaptcpserver v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:689:17 [INFO] [stdout] | [INFO] [stdout] 689 | Ok(never) => match never {}, [INFO] [stdout] | ^^^^^^^^^ matches no values because `Never` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:689:17 [INFO] [stdout] | [INFO] [stdout] 689 | Ok(never) => match never {}, [INFO] [stdout] | ^^^^^^^^^ matches no values because `Never` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.30s [INFO] running `Command { std: "docker" "inspect" "6a639c6b49a52b5bcda2cf970f629ef6bd7da6028cdd011466112ef34c411bd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a639c6b49a52b5bcda2cf970f629ef6bd7da6028cdd011466112ef34c411bd1", kill_on_drop: false }` [INFO] [stdout] 6a639c6b49a52b5bcda2cf970f629ef6bd7da6028cdd011466112ef34c411bd1 [INFO] checking embedded-nal-minimal-coaptcpserver-0.2.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate embedded-nal-minimal-coaptcpserver 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate embedded-nal-minimal-coaptcpserver 0.2.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate embedded-nal-minimal-coaptcpserver 0.2.0 [INFO] finished tweaking crates.io crate embedded-nal-minimal-coaptcpserver 0.2.0 [INFO] tweaked toml for crates.io crate embedded-nal-minimal-coaptcpserver 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 29 packages to latest compatible versions [INFO] [stderr] Adding coap-numbers v0.1.2 (latest: v0.2.4) [INFO] [stderr] Adding embedded-nal v0.6.0 (latest: v0.8.0) [INFO] [stderr] Adding hash32 v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding heapless v0.7.17 (latest: v0.8.0) [INFO] [stderr] Adding minicbor v0.19.1 (latest: v0.24.2) [INFO] [stderr] Adding no-std-net v0.5.0 (latest: v0.6.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f96d9b84146876fa61ddf31889e28ce4e6457b56cb5454f4ae10cbd301a93d9 [INFO] running `Command { std: "docker" "start" "-a" "6f96d9b84146876fa61ddf31889e28ce4e6457b56cb5454f4ae10cbd301a93d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f96d9b84146876fa61ddf31889e28ce4e6457b56cb5454f4ae10cbd301a93d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f96d9b84146876fa61ddf31889e28ce4e6457b56cb5454f4ae10cbd301a93d9", kill_on_drop: false }` [INFO] [stdout] 6f96d9b84146876fa61ddf31889e28ce4e6457b56cb5454f4ae10cbd301a93d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd62204d793f3084d3a5b421029f5d8a32e87faebfc6ea844a1b07a415ce1b1b [INFO] running `Command { std: "docker" "start" "-a" "dd62204d793f3084d3a5b421029f5d8a32e87faebfc6ea844a1b07a415ce1b1b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling minicbor v0.19.1 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling litrs v0.4.1 [INFO] [stderr] Checking coap-numbers v0.2.4 [INFO] [stderr] Checking no-std-net v0.5.0 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking coap-numbers v0.1.2 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling document-features v0.2.10 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking coap-message v0.3.3 [INFO] [stderr] Checking coap-message-utils v0.3.6 [INFO] [stderr] Checking coap-handler v0.2.0 [INFO] [stderr] Checking coap-message-implementations v0.1.5 [INFO] [stderr] Checking embedded-nal v0.6.0 [INFO] [stderr] Checking embedded-nal-tcpextensions v0.1.2 [INFO] [stderr] Checking embedded-nal-minimal-coaptcpserver v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:689:17 [INFO] [stdout] | [INFO] [stdout] 689 | Ok(never) => match never {}, [INFO] [stdout] | ^^^^^^^^^ matches no values because `Never` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:689:17 [INFO] [stdout] | [INFO] [stdout] 689 | Ok(never) => match never {}, [INFO] [stdout] | ^^^^^^^^^ matches no values because `Never` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s [INFO] running `Command { std: "docker" "inspect" "dd62204d793f3084d3a5b421029f5d8a32e87faebfc6ea844a1b07a415ce1b1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd62204d793f3084d3a5b421029f5d8a32e87faebfc6ea844a1b07a415ce1b1b", kill_on_drop: false }` [INFO] [stdout] dd62204d793f3084d3a5b421029f5d8a32e87faebfc6ea844a1b07a415ce1b1b