[INFO] fetching crate optional_struct_internal 0.3.1...
[INFO] testing optional_struct_internal-0.3.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate optional_struct_internal 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate optional_struct_internal 0.3.1
[INFO] finished tweaking crates.io crate optional_struct_internal 0.3.1
[INFO] tweaked toml for crates.io crate optional_struct_internal 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optional_struct_internal 0.3.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a9cd02ec65cf19534ba562d8ddc7c8e4985573cf05bdb777a16ee6e0f3fe1525
[INFO] running `Command { std: "docker" "start" "-a" "a9cd02ec65cf19534ba562d8ddc7c8e4985573cf05bdb777a16ee6e0f3fe1525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9cd02ec65cf19534ba562d8ddc7c8e4985573cf05bdb777a16ee6e0f3fe1525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9cd02ec65cf19534ba562d8ddc7c8e4985573cf05bdb777a16ee6e0f3fe1525", kill_on_drop: false }`
[INFO] [stdout] a9cd02ec65cf19534ba562d8ddc7c8e4985573cf05bdb777a16ee6e0f3fe1525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 31ba1f3c377b6f2bf7774d991a94b0ddf21b58fb613478643eaddcf55320b5ea
[INFO] running `Command { std: "docker" "start" "-a" "31ba1f3c377b6f2bf7774d991a94b0ddf21b58fb613478643eaddcf55320b5ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling optional_struct_internal v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "31ba1f3c377b6f2bf7774d991a94b0ddf21b58fb613478643eaddcf55320b5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ba1f3c377b6f2bf7774d991a94b0ddf21b58fb613478643eaddcf55320b5ea", kill_on_drop: false }`
[INFO] [stdout] 31ba1f3c377b6f2bf7774d991a94b0ddf21b58fb613478643eaddcf55320b5ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5d6fd32d8f1f8cc53cd184b469c628cc5587c4a1e84f25b6a350678323da4454
[INFO] running `Command { std: "docker" "start" "-a" "5d6fd32d8f1f8cc53cd184b469c628cc5587c4a1e84f25b6a350678323da4454", kill_on_drop: false }`
[INFO] [stderr]    Compiling optional_struct_internal v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "5d6fd32d8f1f8cc53cd184b469c628cc5587c4a1e84f25b6a350678323da4454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6fd32d8f1f8cc53cd184b469c628cc5587c4a1e84f25b6a350678323da4454", kill_on_drop: false }`
[INFO] [stdout] 5d6fd32d8f1f8cc53cd184b469c628cc5587c4a1e84f25b6a350678323da4454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 784e3091ed6273e4c5b072cee91c422aa148cafe10228dc1ad0c4ed23f06e37f
[INFO] running `Command { std: "docker" "start" "-a" "784e3091ed6273e4c5b072cee91c422aa148cafe10228dc1ad0c4ed23f06e37f", 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/optional_struct_internal-eccd35744421fe23)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests optional_struct_internal
[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" "784e3091ed6273e4c5b072cee91c422aa148cafe10228dc1ad0c4ed23f06e37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784e3091ed6273e4c5b072cee91c422aa148cafe10228dc1ad0c4ed23f06e37f", kill_on_drop: false }`
[INFO] [stdout] 784e3091ed6273e4c5b072cee91c422aa148cafe10228dc1ad0c4ed23f06e37f