[INFO] fetching crate serde-aco-derive 0.12.0...
[INFO] testing serde-aco-derive-0.12.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate serde-aco-derive 0.12.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate serde-aco-derive 0.12.0
[INFO] finished tweaking crates.io crate serde-aco-derive 0.12.0
[INFO] tweaked toml for crates.io crate serde-aco-derive 0.12.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-aco-derive 0.12.0 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 serde-aco-derive 0.12.0 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] 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] 20b9c3c7f12ad25bf937150db073f8c526f3e940fa8a37c1291c5d02d7a32793
[INFO] running `Command { std: "docker" "start" "-a" "20b9c3c7f12ad25bf937150db073f8c526f3e940fa8a37c1291c5d02d7a32793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b9c3c7f12ad25bf937150db073f8c526f3e940fa8a37c1291c5d02d7a32793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b9c3c7f12ad25bf937150db073f8c526f3e940fa8a37c1291c5d02d7a32793", kill_on_drop: false }`
[INFO] [stdout] 20b9c3c7f12ad25bf937150db073f8c526f3e940fa8a37c1291c5d02d7a32793
[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] 9e03d7a37be34f04f6a0d67bc1db0cb59d53725689e6c845df8e2bdf6f3f2ebf
[INFO] running `Command { std: "docker" "start" "-a" "9e03d7a37be34f04f6a0d67bc1db0cb59d53725689e6c845df8e2bdf6f3f2ebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde-aco-derive v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "9e03d7a37be34f04f6a0d67bc1db0cb59d53725689e6c845df8e2bdf6f3f2ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e03d7a37be34f04f6a0d67bc1db0cb59d53725689e6c845df8e2bdf6f3f2ebf", kill_on_drop: false }`
[INFO] [stdout] 9e03d7a37be34f04f6a0d67bc1db0cb59d53725689e6c845df8e2bdf6f3f2ebf
[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] c16b3d69b036a316d61d6212349dd15789c49b36b5f0b091a92ceaa64d053404
[INFO] running `Command { std: "docker" "start" "-a" "c16b3d69b036a316d61d6212349dd15789c49b36b5f0b091a92ceaa64d053404", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-aco-derive v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "c16b3d69b036a316d61d6212349dd15789c49b36b5f0b091a92ceaa64d053404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16b3d69b036a316d61d6212349dd15789c49b36b5f0b091a92ceaa64d053404", kill_on_drop: false }`
[INFO] [stdout] c16b3d69b036a316d61d6212349dd15789c49b36b5f0b091a92ceaa64d053404
[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] 99e2cc65580f22c2af7fe7dae608a5448778c5c983ce88105b6240bbdec9ce42
[INFO] running `Command { std: "docker" "start" "-a" "99e2cc65580f22c2af7fe7dae608a5448778c5c983ce88105b6240bbdec9ce42", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_aco_derive-df7c7a576b2b170d)
[INFO] [stderr]    Doc-tests serde_aco_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] [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" "99e2cc65580f22c2af7fe7dae608a5448778c5c983ce88105b6240bbdec9ce42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e2cc65580f22c2af7fe7dae608a5448778c5c983ce88105b6240bbdec9ce42", kill_on_drop: false }`
[INFO] [stdout] 99e2cc65580f22c2af7fe7dae608a5448778c5c983ce88105b6240bbdec9ce42