[INFO] fetching crate ark-serialize-derive 0.3.0...
[INFO] testing ark-serialize-derive-0.3.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate ark-serialize-derive 0.3.0 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate ark-serialize-derive 0.3.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-serialize-derive 0.3.0
[INFO] finished tweaking crates.io crate ark-serialize-derive 0.3.0
[INFO] tweaked toml for crates.io crate ark-serialize-derive 0.3.0 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d68c4cf709fa6239b4526a4b166c0ac5ba458759a0ccd3f6c5b8f28602a56d1
[INFO] running `Command { std: "docker" "start" "-a" "5d68c4cf709fa6239b4526a4b166c0ac5ba458759a0ccd3f6c5b8f28602a56d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d68c4cf709fa6239b4526a4b166c0ac5ba458759a0ccd3f6c5b8f28602a56d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d68c4cf709fa6239b4526a4b166c0ac5ba458759a0ccd3f6c5b8f28602a56d1", kill_on_drop: false }`
[INFO] [stdout] 5d68c4cf709fa6239b4526a4b166c0ac5ba458759a0ccd3f6c5b8f28602a56d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b9e221cadb54db69c1e93bef5d86df90f0688fa199f7cb7aa8f27f3c1226f66
[INFO] running `Command { std: "docker" "start" "-a" "9b9e221cadb54db69c1e93bef5d86df90f0688fa199f7cb7aa8f27f3c1226f66", kill_on_drop: false }`
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.34s
[INFO] running `Command { std: "docker" "inspect" "9b9e221cadb54db69c1e93bef5d86df90f0688fa199f7cb7aa8f27f3c1226f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9e221cadb54db69c1e93bef5d86df90f0688fa199f7cb7aa8f27f3c1226f66", kill_on_drop: false }`
[INFO] [stdout] 9b9e221cadb54db69c1e93bef5d86df90f0688fa199f7cb7aa8f27f3c1226f66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff9defdc3482b0c563884b99bdcd3023353930be04aa266b6c907d13ecd38ed9
[INFO] running `Command { std: "docker" "start" "-a" "ff9defdc3482b0c563884b99bdcd3023353930be04aa266b6c907d13ecd38ed9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ff9defdc3482b0c563884b99bdcd3023353930be04aa266b6c907d13ecd38ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9defdc3482b0c563884b99bdcd3023353930be04aa266b6c907d13ecd38ed9", kill_on_drop: false }`
[INFO] [stdout] ff9defdc3482b0c563884b99bdcd3023353930be04aa266b6c907d13ecd38ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d549614f99f8168caf4c614c30e8f2475aedbe0f5c76aec440ad905f1bbbe9a0
[INFO] running `Command { std: "docker" "start" "-a" "d549614f99f8168caf4c614c30e8f2475aedbe0f5c76aec440ad905f1bbbe9a0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ark_serialize_derive-57ed3121afcda3b4)
[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] [stderr]    Doc-tests ark-serialize-derive
[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" "d549614f99f8168caf4c614c30e8f2475aedbe0f5c76aec440ad905f1bbbe9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d549614f99f8168caf4c614c30e8f2475aedbe0f5c76aec440ad905f1bbbe9a0", kill_on_drop: false }`
[INFO] [stdout] d549614f99f8168caf4c614c30e8f2475aedbe0f5c76aec440ad905f1bbbe9a0