[INFO] fetching crate matter-cli 0.1.0-alpha1...
[INFO] checking matter-cli-0.1.0-alpha1 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[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 c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64b12bd78bb473f32f0df86db9d98e252f2fed418120d550092ea3e608822905
[INFO] running `Command { std: "docker" "start" "-a" "64b12bd78bb473f32f0df86db9d98e252f2fed418120d550092ea3e608822905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64b12bd78bb473f32f0df86db9d98e252f2fed418120d550092ea3e608822905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b12bd78bb473f32f0df86db9d98e252f2fed418120d550092ea3e608822905", kill_on_drop: false }`
[INFO] [stdout] 64b12bd78bb473f32f0df86db9d98e252f2fed418120d550092ea3e608822905
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd1023b32736081eca4a07e642a0630ee91a86ab6166b40f6a75894582a237d
[INFO] running `Command { std: "docker" "start" "-a" "6dd1023b32736081eca4a07e642a0630ee91a86ab6166b40f6a75894582a237d", kill_on_drop: false }`
[INFO] [stderr] Compiling syn v1.0.73
[INFO] [stderr] Compiling libc v0.2.97
[INFO] [stderr] Compiling serde v1.0.126
[INFO] [stderr] Compiling unicode-segmentation v1.7.1
[INFO] [stderr] Checking itoa v0.4.7
[INFO] [stderr] Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr] Compiling proc-macro-error v1.0.4
[INFO] [stderr] Compiling syn v0.15.44
[INFO] [stderr] Compiling heck v0.3.3
[INFO] [stderr] Checking atty v0.2.14
[INFO] [stderr] Checking clap v2.33.3
[INFO] [stderr] Compiling structopt-derive v0.2.18
[INFO] [stderr] Checking serde_yaml v0.8.17
[INFO] [stderr] Checking serde_json v1.0.64
[INFO] [stderr] Checking toml v0.5.8
[INFO] [stderr] Compiling structopt-derive v0.4.14
[INFO] [stderr] Compiling thiserror-impl v1.0.25
[INFO] [stderr] Checking structopt v0.2.18
[INFO] [stderr] Checking thiserror v1.0.25
[INFO] [stderr] Checking structopt v0.3.21
[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