[INFO] fetching crate structdiff-derive 0.7.3...
[INFO] testing structdiff-derive-0.7.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate structdiff-derive 0.7.3 into /workspace/builds/worker-4-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate structdiff-derive 0.7.3 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanoserde-derive v0.1.22
[INFO] [stderr]   Downloaded nanoserde v0.1.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdd580aa0f5b2085a339c60fd282d476ad55101912d36df3b16dc0988b051b6d
[INFO] running `Command { std: "docker" "start" "-a" "fdd580aa0f5b2085a339c60fd282d476ad55101912d36df3b16dc0988b051b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdd580aa0f5b2085a339c60fd282d476ad55101912d36df3b16dc0988b051b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd580aa0f5b2085a339c60fd282d476ad55101912d36df3b16dc0988b051b6d", kill_on_drop: false }`
[INFO] [stdout] fdd580aa0f5b2085a339c60fd282d476ad55101912d36df3b16dc0988b051b6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 638c24136f7fad1fed262f7031b9265ba53ee5580007d810ccc65c8b2b3b9bd3
[INFO] running `Command { std: "docker" "start" "-a" "638c24136f7fad1fed262f7031b9265ba53ee5580007d810ccc65c8b2b3b9bd3", 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 1.87s
[INFO] running `Command { std: "docker" "inspect" "638c24136f7fad1fed262f7031b9265ba53ee5580007d810ccc65c8b2b3b9bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638c24136f7fad1fed262f7031b9265ba53ee5580007d810ccc65c8b2b3b9bd3", kill_on_drop: false }`
[INFO] [stdout] 638c24136f7fad1fed262f7031b9265ba53ee5580007d810ccc65c8b2b3b9bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b01ba71a1c8c309c30e175aa0deaf19567668a617f0e45981320e1bbabfb41d
[INFO] running `Command { std: "docker" "start" "-a" "4b01ba71a1c8c309c30e175aa0deaf19567668a617f0e45981320e1bbabfb41d", 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 1.58s
[INFO] running `Command { std: "docker" "inspect" "4b01ba71a1c8c309c30e175aa0deaf19567668a617f0e45981320e1bbabfb41d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b01ba71a1c8c309c30e175aa0deaf19567668a617f0e45981320e1bbabfb41d", kill_on_drop: false }`
[INFO] [stdout] 4b01ba71a1c8c309c30e175aa0deaf19567668a617f0e45981320e1bbabfb41d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e48dc1c3eef14b1fc50a9f5292240ad4093e17761dfe6f18c1a960ef1b60cfa7
[INFO] running `Command { std: "docker" "start" "-a" "e48dc1c3eef14b1fc50a9f5292240ad4093e17761dfe6f18c1a960ef1b60cfa7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[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" "e48dc1c3eef14b1fc50a9f5292240ad4093e17761dfe6f18c1a960ef1b60cfa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48dc1c3eef14b1fc50a9f5292240ad4093e17761dfe6f18c1a960ef1b60cfa7", kill_on_drop: false }`
[INFO] [stdout] e48dc1c3eef14b1fc50a9f5292240ad4093e17761dfe6f18c1a960ef1b60cfa7