[INFO] fetching crate below_derive 0.4.1...
[INFO] testing below_derive-0.4.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate below_derive 0.4.1 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate below_derive 0.4.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate below_derive 0.4.1
[INFO] finished tweaking crates.io crate below_derive 0.4.1
[INFO] tweaked toml for crates.io crate below_derive 0.4.1 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48b003992185dc26520ef0bdb3f82ebbdd1bd1bef057b4d7f28c5ab9ac70510e
[INFO] running `Command { std: "docker" "start" "-a" "48b003992185dc26520ef0bdb3f82ebbdd1bd1bef057b4d7f28c5ab9ac70510e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48b003992185dc26520ef0bdb3f82ebbdd1bd1bef057b4d7f28c5ab9ac70510e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b003992185dc26520ef0bdb3f82ebbdd1bd1bef057b4d7f28c5ab9ac70510e", kill_on_drop: false }`
[INFO] [stdout] 48b003992185dc26520ef0bdb3f82ebbdd1bd1bef057b4d7f28c5ab9ac70510e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8dddfcfbe2d4a122e2617757a2a726f62559bbaa2437a9b412729da32587e78
[INFO] running `Command { std: "docker" "start" "-a" "f8dddfcfbe2d4a122e2617757a2a726f62559bbaa2437a9b412729da32587e78", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling below_derive v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `preferred_name`
[INFO] [stdout]    --> src/queriable.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub preferred_name: Ident,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "f8dddfcfbe2d4a122e2617757a2a726f62559bbaa2437a9b412729da32587e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8dddfcfbe2d4a122e2617757a2a726f62559bbaa2437a9b412729da32587e78", kill_on_drop: false }`
[INFO] [stdout] f8dddfcfbe2d4a122e2617757a2a726f62559bbaa2437a9b412729da32587e78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31ba5753d58355689ac8bbd1a47ec915ce3e4041f167fbb724755af78c7ead98
[INFO] running `Command { std: "docker" "start" "-a" "31ba5753d58355689ac8bbd1a47ec915ce3e4041f167fbb724755af78c7ead98", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "31ba5753d58355689ac8bbd1a47ec915ce3e4041f167fbb724755af78c7ead98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ba5753d58355689ac8bbd1a47ec915ce3e4041f167fbb724755af78c7ead98", kill_on_drop: false }`
[INFO] [stdout] 31ba5753d58355689ac8bbd1a47ec915ce3e4041f167fbb724755af78c7ead98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60f30f3e140c9acdde7e8e6a3c1403fc57b4247114c6b22be8db5ec1c9d4d4a0
[INFO] running `Command { std: "docker" "start" "-a" "60f30f3e140c9acdde7e8e6a3c1403fc57b4247114c6b22be8db5ec1c9d4d4a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "60f30f3e140c9acdde7e8e6a3c1403fc57b4247114c6b22be8db5ec1c9d4d4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f30f3e140c9acdde7e8e6a3c1403fc57b4247114c6b22be8db5ec1c9d4d4a0", kill_on_drop: false }`
[INFO] [stdout] 60f30f3e140c9acdde7e8e6a3c1403fc57b4247114c6b22be8db5ec1c9d4d4a0