[INFO] fetching crate stark 0.1.1...
[INFO] testing stark-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate stark 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stark 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stark 0.1.1
[INFO] finished tweaking crates.io crate stark 0.1.1
[INFO] tweaked toml for crates.io crate stark 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate stark 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bf1e439f51604afcf8ad935a4ffef1a8235e9328e467ce96a9d64aa93b959c4
[INFO] running `Command { std: "docker" "start" "-a" "4bf1e439f51604afcf8ad935a4ffef1a8235e9328e467ce96a9d64aa93b959c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bf1e439f51604afcf8ad935a4ffef1a8235e9328e467ce96a9d64aa93b959c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf1e439f51604afcf8ad935a4ffef1a8235e9328e467ce96a9d64aa93b959c4", kill_on_drop: false }`
[INFO] [stdout] 4bf1e439f51604afcf8ad935a4ffef1a8235e9328e467ce96a9d64aa93b959c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fa7973fe476e6d5d1204070e9c85373633753dbd0ca6046ea26d7452d8ecf08
[INFO] running `Command { std: "docker" "start" "-a" "9fa7973fe476e6d5d1204070e9c85373633753dbd0ca6046ea26d7452d8ecf08", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.2
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling ignore v0.4.17
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling tera v1.6.1
[INFO] [stderr]    Compiling stark v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/front_matter.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn parse(text: &str) -> Result<Option<Yaml>, ScanError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         self.render_posts();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.34s
[INFO] running `Command { std: "docker" "inspect" "9fa7973fe476e6d5d1204070e9c85373633753dbd0ca6046ea26d7452d8ecf08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa7973fe476e6d5d1204070e9c85373633753dbd0ca6046ea26d7452d8ecf08", kill_on_drop: false }`
[INFO] [stdout] 9fa7973fe476e6d5d1204070e9c85373633753dbd0ca6046ea26d7452d8ecf08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fba487547a85bb709d713ee29428e82a81ea9eeebc861271efb4c2de253c68eb
[INFO] running `Command { std: "docker" "start" "-a" "fba487547a85bb709d713ee29428e82a81ea9eeebc861271efb4c2de253c68eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling stark v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         self.render_posts();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/stark-87e8dacfcde29784)
[INFO] running `Command { std: "docker" "inspect" "fba487547a85bb709d713ee29428e82a81ea9eeebc861271efb4c2de253c68eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba487547a85bb709d713ee29428e82a81ea9eeebc861271efb4c2de253c68eb", kill_on_drop: false }`
[INFO] [stdout] fba487547a85bb709d713ee29428e82a81ea9eeebc861271efb4c2de253c68eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ece59fdcf7504e2cddd273a6c04fea8246fde0855ec0919d682a0c16d738a0e5
[INFO] running `Command { std: "docker" "start" "-a" "ece59fdcf7504e2cddd273a6c04fea8246fde0855ec0919d682a0c16d738a0e5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stdout] running 7 tests
[INFO] [stderr]   --> src/main.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         self.render_posts();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `stark` (bin "stark" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stark-87e8dacfcde29784)
[INFO] [stdout] test front_matter::test_empty_find_content ... ok
[INFO] [stdout] test front_matter::test_none ... ok
[INFO] [stdout] test front_matter::test_empty ... ok
[INFO] [stdout] test front_matter::test_tests ... ok
[INFO] [stdout] test front_matter::test_none_find_content ... ok
[INFO] [stdout] test front_matter::test_valid ... ok
[INFO] [stdout] test front_matter::test_valid_find_content ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ece59fdcf7504e2cddd273a6c04fea8246fde0855ec0919d682a0c16d738a0e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece59fdcf7504e2cddd273a6c04fea8246fde0855ec0919d682a0c16d738a0e5", kill_on_drop: false }`
[INFO] [stdout] ece59fdcf7504e2cddd273a6c04fea8246fde0855ec0919d682a0c16d738a0e5