[INFO] fetching crate matter-cli 0.1.0-alpha1...
[INFO] checking matter-cli-0.1.0-alpha1 against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] extracting crate matter-cli 0.1.0-alpha1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate matter-cli 0.1.0-alpha1 on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matter-cli 0.1.0-alpha1
[INFO] finished tweaking crates.io crate matter-cli 0.1.0-alpha1
[INFO] tweaked toml for crates.io crate matter-cli 0.1.0-alpha1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded matter v0.1.0-alpha3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d87709af9f2cb89c40a0b7d2b3d2382c36eaea945c4050f1c7c10945f22878ee
[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" "d87709af9f2cb89c40a0b7d2b3d2382c36eaea945c4050f1c7c10945f22878ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d87709af9f2cb89c40a0b7d2b3d2382c36eaea945c4050f1c7c10945f22878ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87709af9f2cb89c40a0b7d2b3d2382c36eaea945c4050f1c7c10945f22878ee", kill_on_drop: false }`
[INFO] [stdout] d87709af9f2cb89c40a0b7d2b3d2382c36eaea945c4050f1c7c10945f22878ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79287da1e43869fe01f9800857ce4381493202a221661d5527e7ae589606e5bd
[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" "79287da1e43869fe01f9800857ce4381493202a221661d5527e7ae589606e5bd", kill_on_drop: false }`
[INFO] [stderr] Compiling version_check v0.9.2
[INFO] [stderr] Compiling libc v0.2.77
[INFO] [stderr] Compiling serde v1.0.116
[INFO] [stderr] Checking dtoa v0.4.6
[INFO] [stderr] Checking itoa v0.4.6
[INFO] [stderr] Checking yaml-rust v0.4.4
[INFO] [stderr] Compiling syn v0.15.44
[INFO] [stderr] Compiling thiserror-impl v1.0.20
[INFO] [stderr] Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr] Compiling proc-macro-error v1.0.4
[INFO] [stderr] Checking atty v0.2.14
[INFO] [stderr] Checking clap v2.33.3
[INFO] [stderr] Compiling structopt-derive v0.4.11
[INFO] [stderr] Checking thiserror v1.0.20
[INFO] [stderr] Compiling structopt-derive v0.2.18
[INFO] [stderr] Checking structopt v0.3.18
[INFO] [stderr] Checking structopt v0.2.18
[INFO] [stderr] Checking serde_json v1.0.57
[INFO] [stderr] Checking serde_yaml v0.8.13
[INFO] [stderr] Checking toml v0.5.6
[INFO] [stderr] Checking matter v0.1.0-alpha3
[INFO] [stderr] Checking matter-cli v0.1.0-alpha1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout] --> src/main.rs:32:9
[INFO] [stdout] |
[INFO] [stdout] 31 | match matter::extract(&contents) {
[INFO] [stdout] | -------------------------- this expression has type `std::result::Result