[INFO] fetching crate extract-frontmatter 2.1.0...
[INFO] testing extract-frontmatter-2.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate extract-frontmatter 2.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate extract-frontmatter 2.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extract-frontmatter 2.1.0
[INFO] finished tweaking crates.io crate extract-frontmatter 2.1.0
[INFO] tweaked toml for crates.io crate extract-frontmatter 2.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 7b3be22fdbc30f777b4d08945ae29f8ab016bf7f8751f085b4cdad16ac28e811
[INFO] running `Command { std: "docker" "start" "-a" "7b3be22fdbc30f777b4d08945ae29f8ab016bf7f8751f085b4cdad16ac28e811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b3be22fdbc30f777b4d08945ae29f8ab016bf7f8751f085b4cdad16ac28e811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3be22fdbc30f777b4d08945ae29f8ab016bf7f8751f085b4cdad16ac28e811", kill_on_drop: false }`
[INFO] [stdout] 7b3be22fdbc30f777b4d08945ae29f8ab016bf7f8751f085b4cdad16ac28e811
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f06450b185f2e7c4185e3d9408a89d7e4ce5bfcca6912e1cb203786bde938e5b
[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" "f06450b185f2e7c4185e3d9408a89d7e4ce5bfcca6912e1cb203786bde938e5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling extract-frontmatter v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "f06450b185f2e7c4185e3d9408a89d7e4ce5bfcca6912e1cb203786bde938e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06450b185f2e7c4185e3d9408a89d7e4ce5bfcca6912e1cb203786bde938e5b", kill_on_drop: false }`
[INFO] [stdout] f06450b185f2e7c4185e3d9408a89d7e4ce5bfcca6912e1cb203786bde938e5b
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 616722d340ba85aa4bd8d47648878672c2b1467212fe6f11ab5f2e8acadd82cb
[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" "616722d340ba85aa4bd8d47648878672c2b1467212fe6f11ab5f2e8acadd82cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling extract-frontmatter v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "616722d340ba85aa4bd8d47648878672c2b1467212fe6f11ab5f2e8acadd82cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616722d340ba85aa4bd8d47648878672c2b1467212fe6f11ab5f2e8acadd82cb", kill_on_drop: false }`
[INFO] [stdout] 616722d340ba85aa4bd8d47648878672c2b1467212fe6f11ab5f2e8acadd82cb
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3172970dc6547b81771d052b0c31dc2524eab4ff032e6f0c84d84f9fd4753930
[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" "3172970dc6547b81771d052b0c31dc2524eab4ff032e6f0c84d84f9fd4753930", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extract_frontmatter-d28fc69360096b8e)
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/extractor.rs (/opt/rustwide/target/debug/deps/extractor-ae11133dab03e036)
[INFO] [stdout] test modifier::tests::ordering ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test remove_by_prefix ... ok
[INFO] [stdout] test remove_by_terminator ... ok
[INFO] [stdout] test select_by_prefix ... ok
[INFO] [stdout] test remove_all ... ok
[INFO] [stdout] test split_by_prefix ... ok
[INFO] [stdout] test split_by_terminator ... ok
[INFO] [stdout] test split_by_line_count ... ok
[INFO] [stdout] test split_by_all ... ok
[INFO] [stderr]      Running tests/modifier.rs (/opt/rustwide/target/debug/deps/modifier-9e45a9967c49cc07)
[INFO] [stdout] test remove_by_line_count ... ok
[INFO] [stderr]    Doc-tests extract-frontmatter
[INFO] [stdout] test remove_by_non_existent_terminator ... ok
[INFO] [stdout] test select_by_terminator ... ok
[INFO] [stdout] test select_by_line_count ... ok
[INFO] [stdout] test remove_by_line_count_too_many ... ok
[INFO] [stdout] test select_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test discard_first_and_last_lines ... ok
[INFO] [stdout] test strip_prefix_and_whitespace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3172970dc6547b81771d052b0c31dc2524eab4ff032e6f0c84d84f9fd4753930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3172970dc6547b81771d052b0c31dc2524eab4ff032e6f0c84d84f9fd4753930", kill_on_drop: false }`
[INFO] [stdout] 3172970dc6547b81771d052b0c31dc2524eab4ff032e6f0c84d84f9fd4753930