[INFO] fetching crate frontmatter 0.4.0...
[INFO] testing frontmatter-0.4.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate frontmatter 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate frontmatter 0.4.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frontmatter 0.4.0
[INFO] finished tweaking crates.io crate frontmatter 0.4.0
[INFO] tweaked toml for crates.io crate frontmatter 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42bacee6c7c3fb5e54771c489673481a0e5b8842c2d8caf15f960ea21a360751
[INFO] running `Command { std: "docker" "start" "-a" "42bacee6c7c3fb5e54771c489673481a0e5b8842c2d8caf15f960ea21a360751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42bacee6c7c3fb5e54771c489673481a0e5b8842c2d8caf15f960ea21a360751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42bacee6c7c3fb5e54771c489673481a0e5b8842c2d8caf15f960ea21a360751", kill_on_drop: false }`
[INFO] [stdout] 42bacee6c7c3fb5e54771c489673481a0e5b8842c2d8caf15f960ea21a360751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb7c92b272579fcf98dfda87ad21a55a845c6ac629ae29b9b5ad60dc01ff5215
[INFO] running `Command { std: "docker" "start" "-a" "bb7c92b272579fcf98dfda87ad21a55a845c6ac629ae29b9b5ad60dc01ff5215", kill_on_drop: false }`
[INFO] [stderr]    Compiling frontmatter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "bb7c92b272579fcf98dfda87ad21a55a845c6ac629ae29b9b5ad60dc01ff5215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7c92b272579fcf98dfda87ad21a55a845c6ac629ae29b9b5ad60dc01ff5215", kill_on_drop: false }`
[INFO] [stdout] bb7c92b272579fcf98dfda87ad21a55a845c6ac629ae29b9b5ad60dc01ff5215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50da319cdd4c6a6b92f39710a0a9e6712abbeee17847eddc2fd705b18f71990
[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" "e50da319cdd4c6a6b92f39710a0a9e6712abbeee17847eddc2fd705b18f71990", kill_on_drop: false }`
[INFO] [stderr]    Compiling frontmatter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "e50da319cdd4c6a6b92f39710a0a9e6712abbeee17847eddc2fd705b18f71990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50da319cdd4c6a6b92f39710a0a9e6712abbeee17847eddc2fd705b18f71990", kill_on_drop: false }`
[INFO] [stdout] e50da319cdd4c6a6b92f39710a0a9e6712abbeee17847eddc2fd705b18f71990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c71f7d62af67966dd6795bfd27feeb532c7648dfccd59a6f94d48a8d371a1de
[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" "9c71f7d62af67966dd6795bfd27feeb532c7648dfccd59a6f94d48a8d371a1de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/frontmatter-d20b29d3ed09f6be)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_none ... ok
[INFO] [stdout] test test_valid_find_content ... ok
[INFO] [stdout] test test_none_find_content ... ok
[INFO] [stdout] test test_valid ... ok
[INFO] [stdout] test test_tests ... ok
[INFO] [stdout] test test_empty_find_content ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frontmatter
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c71f7d62af67966dd6795bfd27feeb532c7648dfccd59a6f94d48a8d371a1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c71f7d62af67966dd6795bfd27feeb532c7648dfccd59a6f94d48a8d371a1de", kill_on_drop: false }`
[INFO] [stdout] 9c71f7d62af67966dd6795bfd27feeb532c7648dfccd59a6f94d48a8d371a1de