[INFO] fetching crate surprise-me-derive 0.1.0...
[INFO] testing surprise-me-derive-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate surprise-me-derive 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate surprise-me-derive 0.1.0
[INFO] finished tweaking crates.io crate surprise-me-derive 0.1.0
[INFO] tweaked toml for crates.io crate surprise-me-derive 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate surprise-me-derive 0.1.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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] 3fa5c11983b73b340a947d1aeffc10af0f3917f3a4f1df6c0901caa1d0aa7859
[INFO] running `Command { std: "docker" "start" "-a" "3fa5c11983b73b340a947d1aeffc10af0f3917f3a4f1df6c0901caa1d0aa7859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa5c11983b73b340a947d1aeffc10af0f3917f3a4f1df6c0901caa1d0aa7859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa5c11983b73b340a947d1aeffc10af0f3917f3a4f1df6c0901caa1d0aa7859", kill_on_drop: false }`
[INFO] [stdout] 3fa5c11983b73b340a947d1aeffc10af0f3917f3a4f1df6c0901caa1d0aa7859
[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] 485aeec15e37a2ade34b0e3cee76d86887fbd0f192178cfef9ad3189b94ab985
[INFO] running `Command { std: "docker" "start" "-a" "485aeec15e37a2ade34b0e3cee76d86887fbd0f192178cfef9ad3189b94ab985", kill_on_drop: false }`
[INFO] [stderr]    Compiling surprise-me-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]  --> src/attributes.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) struct Attributes {
[INFO] [stdout]   |                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "485aeec15e37a2ade34b0e3cee76d86887fbd0f192178cfef9ad3189b94ab985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485aeec15e37a2ade34b0e3cee76d86887fbd0f192178cfef9ad3189b94ab985", kill_on_drop: false }`
[INFO] [stdout] 485aeec15e37a2ade34b0e3cee76d86887fbd0f192178cfef9ad3189b94ab985
[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] 911ba742078ae96bd99a6d30f0c621f9eba070777fdc84ad9889c6ffe20cd8b1
[INFO] running `Command { std: "docker" "start" "-a" "911ba742078ae96bd99a6d30f0c621f9eba070777fdc84ad9889c6ffe20cd8b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling surprise-me-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]  --> src/attributes.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) struct Attributes {
[INFO] [stdout]   |                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]  --> src/attributes.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) struct Attributes {
[INFO] [stdout]   |                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "911ba742078ae96bd99a6d30f0c621f9eba070777fdc84ad9889c6ffe20cd8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911ba742078ae96bd99a6d30f0c621f9eba070777fdc84ad9889c6ffe20cd8b1", kill_on_drop: false }`
[INFO] [stdout] 911ba742078ae96bd99a6d30f0c621f9eba070777fdc84ad9889c6ffe20cd8b1
[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] 48649f31bcf6aa41543ec034f1e780d47e3b5e4a202f9450b269179eb2481279
[INFO] running `Command { std: "docker" "start" "-a" "48649f31bcf6aa41543ec034f1e780d47e3b5e4a202f9450b269179eb2481279", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Attributes` is never constructed
[INFO] [stderr]  --> src/attributes.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub(crate) struct Attributes {
[INFO] [stderr]   |                   ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `surprise-me-derive` (lib) generated 1 warning
[INFO] [stderr] warning: `surprise-me-derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/surprise_me_derive-57d99bf14f2deeb3)
[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 surprise_me_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" "48649f31bcf6aa41543ec034f1e780d47e3b5e4a202f9450b269179eb2481279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48649f31bcf6aa41543ec034f1e780d47e3b5e4a202f9450b269179eb2481279", kill_on_drop: false }`
[INFO] [stdout] 48649f31bcf6aa41543ec034f1e780d47e3b5e4a202f9450b269179eb2481279