[INFO] fetching crate extract-frontmatter 2.1.0...
[INFO] testing extract-frontmatter-2.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate extract-frontmatter 2.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate extract-frontmatter 2.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e210f056bd707f6255d78fe360f3e7f3e2971d5520f247b59d05c482fe1dbeb
[INFO] running `Command { std: "docker" "start" "-a" "2e210f056bd707f6255d78fe360f3e7f3e2971d5520f247b59d05c482fe1dbeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e210f056bd707f6255d78fe360f3e7f3e2971d5520f247b59d05c482fe1dbeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e210f056bd707f6255d78fe360f3e7f3e2971d5520f247b59d05c482fe1dbeb", kill_on_drop: false }`
[INFO] [stdout] 2e210f056bd707f6255d78fe360f3e7f3e2971d5520f247b59d05c482fe1dbeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd13654ef732b548afede131aac72f8bb82a51d24579b7ddcd2c377ae87e42e1
[INFO] running `Command { std: "docker" "start" "-a" "fd13654ef732b548afede131aac72f8bb82a51d24579b7ddcd2c377ae87e42e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling extract-frontmatter v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "fd13654ef732b548afede131aac72f8bb82a51d24579b7ddcd2c377ae87e42e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd13654ef732b548afede131aac72f8bb82a51d24579b7ddcd2c377ae87e42e1", kill_on_drop: false }`
[INFO] [stdout] fd13654ef732b548afede131aac72f8bb82a51d24579b7ddcd2c377ae87e42e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd35ffc0f14d5c30e09ef7a57ef712b2a7e45abad45fcb50e844ffaa1f38c63d
[INFO] running `Command { std: "docker" "start" "-a" "cd35ffc0f14d5c30e09ef7a57ef712b2a7e45abad45fcb50e844ffaa1f38c63d", kill_on_drop: false }`
[INFO] [stderr]    Compiling extract-frontmatter v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "cd35ffc0f14d5c30e09ef7a57ef712b2a7e45abad45fcb50e844ffaa1f38c63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd35ffc0f14d5c30e09ef7a57ef712b2a7e45abad45fcb50e844ffaa1f38c63d", kill_on_drop: false }`
[INFO] [stdout] cd35ffc0f14d5c30e09ef7a57ef712b2a7e45abad45fcb50e844ffaa1f38c63d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed51d40de33e5182827deca90a049d86b55537d133a1fa2750766b8e4c0fd246
[INFO] running `Command { std: "docker" "start" "-a" "ed51d40de33e5182827deca90a049d86b55537d133a1fa2750766b8e4c0fd246", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extract_frontmatter-f5743d982aa3cb2f)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/extractor.rs (/opt/rustwide/target/debug/deps/extractor-6fd3c9d403c12ad6)
[INFO] [stdout] running 1 test
[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_all ... ok
[INFO] [stdout] test split_by_line_count ... ok
[INFO] [stdout] test select_by_prefix ... ok
[INFO] [stdout] test select_by_terminator ... ok
[INFO] [stderr]      Running tests/modifier.rs (/opt/rustwide/target/debug/deps/modifier-1873618feff2c6f3)
[INFO] [stdout] test remove_by_prefix ... ok
[INFO] [stdout] test split_by_terminator ... ok
[INFO] [stdout] test split_by_prefix ... ok
[INFO] [stdout] test remove_by_line_count ... ok
[INFO] [stdout] test split_by_all ... ok
[INFO] [stdout] test select_by_line_count ... ok
[INFO] [stdout] test remove_by_non_existent_terminator ... ok
[INFO] [stdout] test remove_by_line_count_too_many ... ok
[INFO] [stdout] test remove_by_terminator ... 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 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests extract-frontmatter
[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 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed51d40de33e5182827deca90a049d86b55537d133a1fa2750766b8e4c0fd246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed51d40de33e5182827deca90a049d86b55537d133a1fa2750766b8e4c0fd246", kill_on_drop: false }`
[INFO] [stdout] ed51d40de33e5182827deca90a049d86b55537d133a1fa2750766b8e4c0fd246