[INFO] fetching crate serbuffer-gen 1.3.1...
[INFO] testing serbuffer-gen-1.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serbuffer-gen 1.3.1 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate serbuffer-gen 1.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serbuffer-gen 1.3.1
[INFO] finished tweaking crates.io crate serbuffer-gen 1.3.1
[INFO] tweaked toml for crates.io crate serbuffer-gen 1.3.1 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a6db192fc28303c208f419610e7cda896f4968e15db9a4e1981a962ae4688bc
[INFO] running `Command { std: "docker" "start" "-a" "5a6db192fc28303c208f419610e7cda896f4968e15db9a4e1981a962ae4688bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a6db192fc28303c208f419610e7cda896f4968e15db9a4e1981a962ae4688bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6db192fc28303c208f419610e7cda896f4968e15db9a4e1981a962ae4688bc", kill_on_drop: false }`
[INFO] [stdout] 5a6db192fc28303c208f419610e7cda896f4968e15db9a4e1981a962ae4688bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 036d80082e393fa60a53d4af52da09a93c475f518e219ed8a575fcd7b22be58d
[INFO] running `Command { std: "docker" "start" "-a" "036d80082e393fa60a53d4af52da09a93c475f518e219ed8a575fcd7b22be58d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serbuffer-gen v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.12s
[INFO] running `Command { std: "docker" "inspect" "036d80082e393fa60a53d4af52da09a93c475f518e219ed8a575fcd7b22be58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "036d80082e393fa60a53d4af52da09a93c475f518e219ed8a575fcd7b22be58d", kill_on_drop: false }`
[INFO] [stdout] 036d80082e393fa60a53d4af52da09a93c475f518e219ed8a575fcd7b22be58d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ec00f8f09ee48c9314c27bbcc409dae50c89f56c2ee48ff441b471e3c7c8cea
[INFO] running `Command { std: "docker" "start" "-a" "1ec00f8f09ee48c9314c27bbcc409dae50c89f56c2ee48ff441b471e3c7c8cea", kill_on_drop: false }`
[INFO] [stderr]    Compiling serbuffer-gen v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "1ec00f8f09ee48c9314c27bbcc409dae50c89f56c2ee48ff441b471e3c7c8cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec00f8f09ee48c9314c27bbcc409dae50c89f56c2ee48ff441b471e3c7c8cea", kill_on_drop: false }`
[INFO] [stdout] 1ec00f8f09ee48c9314c27bbcc409dae50c89f56c2ee48ff441b471e3c7c8cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70d9bf4e1fa6a643a773732f57dc8651efdb26621a16a29899808a3453ba690e
[INFO] running `Command { std: "docker" "start" "-a" "70d9bf4e1fa6a643a773732f57dc8651efdb26621a16a29899808a3453ba690e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serbuffer_gen-98600859d8462d7e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::code_gen_basic_type_test ... ok
[INFO] [stdout] test tests::code_gen_ref_type_test ... 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] [stderr]    Doc-tests serbuffer_gen
[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" "70d9bf4e1fa6a643a773732f57dc8651efdb26621a16a29899808a3453ba690e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d9bf4e1fa6a643a773732f57dc8651efdb26621a16a29899808a3453ba690e", kill_on_drop: false }`
[INFO] [stdout] 70d9bf4e1fa6a643a773732f57dc8651efdb26621a16a29899808a3453ba690e