[INFO] fetching crate frontmatter 0.4.0...
[INFO] testing frontmatter-0.4.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate frontmatter 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate frontmatter 0.4.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab816d7a6a20c719ec209fa38f0fb72a6a9d0dee5e7e8712840dbf367e752c74
[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" "ab816d7a6a20c719ec209fa38f0fb72a6a9d0dee5e7e8712840dbf367e752c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab816d7a6a20c719ec209fa38f0fb72a6a9d0dee5e7e8712840dbf367e752c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab816d7a6a20c719ec209fa38f0fb72a6a9d0dee5e7e8712840dbf367e752c74", kill_on_drop: false }`
[INFO] [stdout] ab816d7a6a20c719ec209fa38f0fb72a6a9d0dee5e7e8712840dbf367e752c74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aca5fb33203fe5335ed81dce2ed7fdc63442e86ccbe21b116d21ce034c7c2012
[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" "aca5fb33203fe5335ed81dce2ed7fdc63442e86ccbe21b116d21ce034c7c2012", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling frontmatter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "aca5fb33203fe5335ed81dce2ed7fdc63442e86ccbe21b116d21ce034c7c2012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca5fb33203fe5335ed81dce2ed7fdc63442e86ccbe21b116d21ce034c7c2012", kill_on_drop: false }`
[INFO] [stdout] aca5fb33203fe5335ed81dce2ed7fdc63442e86ccbe21b116d21ce034c7c2012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44180260d916b302c8f756dd06317db3b8b62fc3467c7edbacf4c7a88e4af443
[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" "44180260d916b302c8f756dd06317db3b8b62fc3467c7edbacf4c7a88e4af443", kill_on_drop: false }`
[INFO] [stderr]    Compiling frontmatter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "44180260d916b302c8f756dd06317db3b8b62fc3467c7edbacf4c7a88e4af443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44180260d916b302c8f756dd06317db3b8b62fc3467c7edbacf4c7a88e4af443", kill_on_drop: false }`
[INFO] [stdout] 44180260d916b302c8f756dd06317db3b8b62fc3467c7edbacf4c7a88e4af443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3ceba5cbae67a0932d20e6fa46dafe50ac15182f8d1763b31e85d1e0ed21a3c
[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" "c3ceba5cbae67a0932d20e6fa46dafe50ac15182f8d1763b31e85d1e0ed21a3c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/frontmatter-e32c81b459de53ed)
[INFO] [stdout] test test_empty_find_content ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_tests ... ok
[INFO] [stdout] test test_valid_find_content ... ok
[INFO] [stdout] test test_valid ... ok
[INFO] [stdout] test test_none_find_content ... ok
[INFO] [stdout] test test_none ... 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" "c3ceba5cbae67a0932d20e6fa46dafe50ac15182f8d1763b31e85d1e0ed21a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ceba5cbae67a0932d20e6fa46dafe50ac15182f8d1763b31e85d1e0ed21a3c", kill_on_drop: false }`
[INFO] [stdout] c3ceba5cbae67a0932d20e6fa46dafe50ac15182f8d1763b31e85d1e0ed21a3c