[INFO] fetching crate matter-cli 0.1.0-alpha1...
[INFO] checking matter-cli-0.1.0-alpha1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate matter-cli 0.1.0-alpha1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate matter-cli 0.1.0-alpha1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Updating crates.io index
[INFO] [stderr] Locking 53 packages
[INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr] Adding matter v0.1.0-alpha3 (latest: v0.1.0-alpha4)
[INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr] Adding serde_yaml v0.8.26 (latest: v0.9.34+deprecated)
[INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr] Adding structopt v0.2.18 (latest: v0.3.26)
[INFO] [stderr] Adding structopt-derive v0.2.18 (latest: v0.4.18)
[INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr] Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c12fc31fbcce835dc4a5d127441110aefa5d4db6d27d4bed6482fd16335a79f0
[INFO] running `Command { std: "docker" "start" "-a" "c12fc31fbcce835dc4a5d127441110aefa5d4db6d27d4bed6482fd16335a79f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c12fc31fbcce835dc4a5d127441110aefa5d4db6d27d4bed6482fd16335a79f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12fc31fbcce835dc4a5d127441110aefa5d4db6d27d4bed6482fd16335a79f0", kill_on_drop: false }`
[INFO] [stdout] c12fc31fbcce835dc4a5d127441110aefa5d4db6d27d4bed6482fd16335a79f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8d0b788dfb1788dadbf0fae83fe1e1d9ebf36fab5befc7235b591d71e080e24
[INFO] running `Command { std: "docker" "start" "-a" "c8d0b788dfb1788dadbf0fae83fe1e1d9ebf36fab5befc7235b591d71e080e24", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v0.4.30
[INFO] [stderr] Compiling unicode-segmentation v1.11.0
[INFO] [stderr] Compiling unicode-xid v0.1.0
[INFO] [stderr] Compiling syn v0.15.44
[INFO] [stderr] Compiling indexmap v1.9.3
[INFO] [stderr] Checking yaml-rust v0.4.5
[INFO] [stderr] Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr] Checking atty v0.2.14
[INFO] [stderr] Checking toml v0.5.11
[INFO] [stderr] Checking serde_json v1.0.115
[INFO] [stderr] Checking clap v2.34.0
[INFO] [stderr] Compiling heck v0.3.3
[INFO] [stderr] Compiling proc-macro-error v1.0.4
[INFO] [stderr] Checking serde_yaml v0.8.26
[INFO] [stderr] Compiling quote v0.6.13
[INFO] [stderr] Compiling structopt-derive v0.4.18
[INFO] [stderr] Checking structopt v0.3.26
[INFO] [stderr] Checking matter v0.1.0-alpha3
[INFO] [stderr] Compiling structopt-derive v0.2.18
[INFO] [stderr] Checking structopt v0.2.18
[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 `Result