[INFO] fetching crate matter-cli 0.1.0-alpha1...
[INFO] checking matter-cli-0.1.0-alpha1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate matter-cli 0.1.0-alpha1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate matter-cli 0.1.0-alpha1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7fb06c31c325ae55b7f46d17eedc3ac5029f3994a11f584f8e57f80055e1a0d
[INFO] running `Command { std: "docker" "start" "-a" "f7fb06c31c325ae55b7f46d17eedc3ac5029f3994a11f584f8e57f80055e1a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7fb06c31c325ae55b7f46d17eedc3ac5029f3994a11f584f8e57f80055e1a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7fb06c31c325ae55b7f46d17eedc3ac5029f3994a11f584f8e57f80055e1a0d", kill_on_drop: false }`
[INFO] [stdout] f7fb06c31c325ae55b7f46d17eedc3ac5029f3994a11f584f8e57f80055e1a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6b835a92d15e42a2f29254552657fe108bffc52461bc955ea9c150119f0b4fe
[INFO] running `Command { std: "docker" "start" "-a" "f6b835a92d15e42a2f29254552657fe108bffc52461bc955ea9c150119f0b4fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking structopt v0.2.18
[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]     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<Option<(String, String)>, matter::Error>`
[INFO] [stdout] 32 |         Some((matter, content)) => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<Option<(String, ...)>, ...>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<Option<(String, String)>, matter::Error>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] help: try wrapping the pattern in `Ok`
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Ok(Some((matter, content))) => {
[INFO] [stdout]    |         +++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[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<Option<(String, String)>, matter::Error>`
[INFO] [stdout] 32 |         Some((matter, content)) => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<Option<(String, ...)>, ...>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<Option<(String, String)>, matter::Error>`
[INFO] [stdout]               found enum `Option<_>`
[INFO] [stdout] help: try wrapping the pattern in `Ok`
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Ok(Some((matter, content))) => {
[INFO] [stdout]    |         +++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matter-cli` (bin "matter") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `matter-cli` (bin "matter" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f6b835a92d15e42a2f29254552657fe108bffc52461bc955ea9c150119f0b4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b835a92d15e42a2f29254552657fe108bffc52461bc955ea9c150119f0b4fe", kill_on_drop: false }`
[INFO] [stdout] f6b835a92d15e42a2f29254552657fe108bffc52461bc955ea9c150119f0b4fe
