[INFO] fetching crate buffer-pool 0.0.0...
[INFO] testing buffer-pool-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate buffer-pool 0.0.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate buffer-pool 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffer-pool 0.0.0
[INFO] finished tweaking crates.io crate buffer-pool 0.0.0
[INFO] tweaked toml for crates.io crate buffer-pool 0.0.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 619ee2a03f9aff90e6d24b24f54239755f4c150cde4be68eafe18ca78008f791
[INFO] running `Command { std: "docker" "start" "-a" "619ee2a03f9aff90e6d24b24f54239755f4c150cde4be68eafe18ca78008f791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "619ee2a03f9aff90e6d24b24f54239755f4c150cde4be68eafe18ca78008f791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619ee2a03f9aff90e6d24b24f54239755f4c150cde4be68eafe18ca78008f791", kill_on_drop: false }`
[INFO] [stdout] 619ee2a03f9aff90e6d24b24f54239755f4c150cde4be68eafe18ca78008f791
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0213777f9b78241fbcbfa4f4b45ba54d8c75485af7a97960c200fe1a46ffcf34
[INFO] running `Command { std: "docker" "start" "-a" "0213777f9b78241fbcbfa4f4b45ba54d8c75485af7a97960c200fe1a46ffcf34", kill_on_drop: false }`
[INFO] [stderr]    Compiling buffer-pool v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "0213777f9b78241fbcbfa4f4b45ba54d8c75485af7a97960c200fe1a46ffcf34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0213777f9b78241fbcbfa4f4b45ba54d8c75485af7a97960c200fe1a46ffcf34", kill_on_drop: false }`
[INFO] [stdout] 0213777f9b78241fbcbfa4f4b45ba54d8c75485af7a97960c200fe1a46ffcf34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aca9b0747448c1758a75f4396e3cebfc589b5dfa67b8b3f157268db25c2ce98c
[INFO] running `Command { std: "docker" "start" "-a" "aca9b0747448c1758a75f4396e3cebfc589b5dfa67b8b3f157268db25c2ce98c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling buffer-pool v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "aca9b0747448c1758a75f4396e3cebfc589b5dfa67b8b3f157268db25c2ce98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca9b0747448c1758a75f4396e3cebfc589b5dfa67b8b3f157268db25c2ce98c", kill_on_drop: false }`
[INFO] [stdout] aca9b0747448c1758a75f4396e3cebfc589b5dfa67b8b3f157268db25c2ce98c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 675f62338dc545d06da442d345a4ef02c6d7a631561e112dca0584bb8fc483e2
[INFO] running `Command { std: "docker" "start" "-a" "675f62338dc545d06da442d345a4ef02c6d7a631561e112dca0584bb8fc483e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/buffer_pool-8957c81d5253eb05)
[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" "675f62338dc545d06da442d345a4ef02c6d7a631561e112dca0584bb8fc483e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675f62338dc545d06da442d345a4ef02c6d7a631561e112dca0584bb8fc483e2", kill_on_drop: false }`
[INFO] [stdout] 675f62338dc545d06da442d345a4ef02c6d7a631561e112dca0584bb8fc483e2