[INFO] fetching crate structdiff-derive 0.7.3...
[INFO] testing structdiff-derive-0.7.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate structdiff-derive 0.7.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate structdiff-derive 0.7.3
[INFO] finished tweaking crates.io crate structdiff-derive 0.7.3
[INFO] tweaked toml for crates.io crate structdiff-derive 0.7.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate structdiff-derive 0.7.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate structdiff-derive 0.7.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57e65cfa8a63fc1b4c313a04b4e825eed21f793b3f751b9cd5c4299d2ab94296
[INFO] running `Command { std: "docker" "start" "-a" "57e65cfa8a63fc1b4c313a04b4e825eed21f793b3f751b9cd5c4299d2ab94296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57e65cfa8a63fc1b4c313a04b4e825eed21f793b3f751b9cd5c4299d2ab94296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e65cfa8a63fc1b4c313a04b4e825eed21f793b3f751b9cd5c4299d2ab94296", kill_on_drop: false }`
[INFO] [stdout] 57e65cfa8a63fc1b4c313a04b4e825eed21f793b3f751b9cd5c4299d2ab94296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e76dc33b7c997a0e8aae96b6538a9bc6cc84dae63e078c7e5f4d45a0b57c070
[INFO] running `Command { std: "docker" "start" "-a" "9e76dc33b7c997a0e8aae96b6538a9bc6cc84dae63e078c7e5f4d45a0b57c070", kill_on_drop: false }`
[INFO] [stderr]    Compiling structdiff-derive v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "9e76dc33b7c997a0e8aae96b6538a9bc6cc84dae63e078c7e5f4d45a0b57c070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e76dc33b7c997a0e8aae96b6538a9bc6cc84dae63e078c7e5f4d45a0b57c070", kill_on_drop: false }`
[INFO] [stdout] 9e76dc33b7c997a0e8aae96b6538a9bc6cc84dae63e078c7e5f4d45a0b57c070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4bf8af0d84ea7c224cf5651b5aee1c62e17cf8a2349d6bc610db39ce56ba549
[INFO] running `Command { std: "docker" "start" "-a" "f4bf8af0d84ea7c224cf5651b5aee1c62e17cf8a2349d6bc610db39ce56ba549", kill_on_drop: false }`
[INFO] [stderr]    Compiling structdiff-derive v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "f4bf8af0d84ea7c224cf5651b5aee1c62e17cf8a2349d6bc610db39ce56ba549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4bf8af0d84ea7c224cf5651b5aee1c62e17cf8a2349d6bc610db39ce56ba549", kill_on_drop: false }`
[INFO] [stdout] f4bf8af0d84ea7c224cf5651b5aee1c62e17cf8a2349d6bc610db39ce56ba549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4afb9230aa03004af72476540c80081a263ab8ab352d92f4c434070fc9ef43e1
[INFO] running `Command { std: "docker" "start" "-a" "4afb9230aa03004af72476540c80081a263ab8ab352d92f4c434070fc9ef43e1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/structdiff_derive-480cd7a8dee28c37)
[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 structdiff_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" "4afb9230aa03004af72476540c80081a263ab8ab352d92f4c434070fc9ef43e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afb9230aa03004af72476540c80081a263ab8ab352d92f4c434070fc9ef43e1", kill_on_drop: false }`
[INFO] [stdout] 4afb9230aa03004af72476540c80081a263ab8ab352d92f4c434070fc9ef43e1