[INFO] fetching crate frontmatter 0.4.0...
[INFO] building frontmatter-0.4.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate frontmatter 0.4.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate frontmatter 0.4.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 915fdda141fb91da5236f9acdcff127dbfda6ee0f1270085d93e4dc55e09bd2b
[INFO] running `Command { std: "docker" "start" "-a" "915fdda141fb91da5236f9acdcff127dbfda6ee0f1270085d93e4dc55e09bd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "915fdda141fb91da5236f9acdcff127dbfda6ee0f1270085d93e4dc55e09bd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915fdda141fb91da5236f9acdcff127dbfda6ee0f1270085d93e4dc55e09bd2b", kill_on_drop: false }`
[INFO] [stdout] 915fdda141fb91da5236f9acdcff127dbfda6ee0f1270085d93e4dc55e09bd2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1bbc6bca0d9b2bd3ce8f4c5c2c36b0384d25e749eae068aad3ecf9acf2409e9
[INFO] running `Command { std: "docker" "start" "-a" "f1bbc6bca0d9b2bd3ce8f4c5c2c36b0384d25e749eae068aad3ecf9acf2409e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr] SG_CR_Eslkdjf: yaml_rust, (7b4f6edd906ba784, c653cead82e5cdbb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: yaml_rust, (168b8cca7e26b118, 9fba8e5e633a496e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: yaml_rust, (58487da87263fbc3, d34df7b25d345dec), 8, 8
[INFO] [stderr]    Compiling frontmatter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "f1bbc6bca0d9b2bd3ce8f4c5c2c36b0384d25e749eae068aad3ecf9acf2409e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1bbc6bca0d9b2bd3ce8f4c5c2c36b0384d25e749eae068aad3ecf9acf2409e9", kill_on_drop: false }`
[INFO] [stdout] f1bbc6bca0d9b2bd3ce8f4c5c2c36b0384d25e749eae068aad3ecf9acf2409e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a44cb772763cfb3182695e556f994663612e3eed040becde370d4e5be4db0a6d
[INFO] running `Command { std: "docker" "start" "-a" "a44cb772763cfb3182695e556f994663612e3eed040becde370d4e5be4db0a6d", kill_on_drop: false }`
[INFO] [stderr] SG_CR_Eslkdjf: yaml_rust, (7b4f6edd906ba784, c653cead82e5cdbb), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: yaml_rust, (168b8cca7e26b118, 9fba8e5e633a496e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: yaml_rust, (58487da87263fbc3, d34df7b25d345dec), 8, 8
[INFO] [stderr]    Compiling frontmatter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] SG_CR_Eslkdjf: frontmatter, (232378986fefbf1d, 239c77a5db0b0ab2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: frontmatter, (6a27741719ae3708, b111365b832e209b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: frontmatter, (fc57c81b006c2768, 948a390914a04d36), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: frontmatter, (129dcdf206fbf349, c4c5a7eea77f6021), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: frontmatter, (38962a0daf0deaa1, cd852f1bde7f606d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: frontmatter, (f476dc396edc16bd, 75a01af815b9d650), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: frontmatter, (1d3938aa986a4252, 25ff516653023307), 0, 0
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "a44cb772763cfb3182695e556f994663612e3eed040becde370d4e5be4db0a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44cb772763cfb3182695e556f994663612e3eed040becde370d4e5be4db0a6d", kill_on_drop: false }`
[INFO] [stdout] a44cb772763cfb3182695e556f994663612e3eed040becde370d4e5be4db0a6d