[INFO] fetching crate buffalo_macro 0.1.0...
[INFO] testing buffalo_macro-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate buffalo_macro 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate buffalo_macro 0.1.0 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 buffalo_macro 0.1.0
[INFO] finished tweaking crates.io crate buffalo_macro 0.1.0
[INFO] tweaked toml for crates.io crate buffalo_macro 0.1.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] eb1f2bd2ff2bd4bd463776e59588d69c11b79d01136b5271cbb88a5b65b10341
[INFO] running `Command { std: "docker" "start" "-a" "eb1f2bd2ff2bd4bd463776e59588d69c11b79d01136b5271cbb88a5b65b10341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb1f2bd2ff2bd4bd463776e59588d69c11b79d01136b5271cbb88a5b65b10341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1f2bd2ff2bd4bd463776e59588d69c11b79d01136b5271cbb88a5b65b10341", kill_on_drop: false }`
[INFO] [stdout] eb1f2bd2ff2bd4bd463776e59588d69c11b79d01136b5271cbb88a5b65b10341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0a0e8c3ed5ec44c5b352e7ebcc383962ca836db400194fb739b3ecc8d32bfbed
[INFO] running `Command { std: "docker" "start" "-a" "0a0e8c3ed5ec44c5b352e7ebcc383962ca836db400194fb739b3ecc8d32bfbed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling buffalo_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.67s
[INFO] running `Command { std: "docker" "inspect" "0a0e8c3ed5ec44c5b352e7ebcc383962ca836db400194fb739b3ecc8d32bfbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0e8c3ed5ec44c5b352e7ebcc383962ca836db400194fb739b3ecc8d32bfbed", kill_on_drop: false }`
[INFO] [stdout] 0a0e8c3ed5ec44c5b352e7ebcc383962ca836db400194fb739b3ecc8d32bfbed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ac5e86d45e61cd2784d103d16bb5301165730cfe347a44bce21491ab62282fd7
[INFO] running `Command { std: "docker" "start" "-a" "ac5e86d45e61cd2784d103d16bb5301165730cfe347a44bce21491ab62282fd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling buffalo_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "ac5e86d45e61cd2784d103d16bb5301165730cfe347a44bce21491ab62282fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5e86d45e61cd2784d103d16bb5301165730cfe347a44bce21491ab62282fd7", kill_on_drop: false }`
[INFO] [stdout] ac5e86d45e61cd2784d103d16bb5301165730cfe347a44bce21491ab62282fd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 421a24d9091ab1e8045f7988bdd1b40b627257a150c27d10b6870009ace004c7
[INFO] running `Command { std: "docker" "start" "-a" "421a24d9091ab1e8045f7988bdd1b40b627257a150c27d10b6870009ace004c7", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/buffalo_macro-c0c91f4ad6d70a07)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buffalo_macro
[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] [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" "421a24d9091ab1e8045f7988bdd1b40b627257a150c27d10b6870009ace004c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421a24d9091ab1e8045f7988bdd1b40b627257a150c27d10b6870009ace004c7", kill_on_drop: false }`
[INFO] [stdout] 421a24d9091ab1e8045f7988bdd1b40b627257a150c27d10b6870009ace004c7