[INFO] fetching crate structmapper-codegen 0.4.1...
[INFO] testing structmapper-codegen-0.4.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate structmapper-codegen 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate structmapper-codegen 0.4.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structmapper-codegen 0.4.1
[INFO] finished tweaking crates.io crate structmapper-codegen 0.4.1
[INFO] tweaked toml for crates.io crate structmapper-codegen 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd092c358a1da34a1c1516a6fd181f62fa9fc7fddefde3725ea91de54626c00a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd092c358a1da34a1c1516a6fd181f62fa9fc7fddefde3725ea91de54626c00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd092c358a1da34a1c1516a6fd181f62fa9fc7fddefde3725ea91de54626c00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd092c358a1da34a1c1516a6fd181f62fa9fc7fddefde3725ea91de54626c00a", kill_on_drop: false }`
[INFO] [stdout] cd092c358a1da34a1c1516a6fd181f62fa9fc7fddefde3725ea91de54626c00a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e99f8da0f27a1d95bf5864e6e2994e6f70dd5227b43b865b95de81d093799d7
[INFO] running `Command { std: "docker" "start" "-a" "6e99f8da0f27a1d95bf5864e6e2994e6f70dd5227b43b865b95de81d093799d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling structmapper-codegen v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]    --> src/derive.rs:654:3
[INFO] [stdout]     |
[INFO] [stdout] 654 |   span: Span,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MappingAssignFields` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/derive.rs:651:10
[INFO] [stdout]     |
[INFO] [stdout] 651 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]    --> src/derive.rs:734:3
[INFO] [stdout]     |
[INFO] [stdout] 734 |   span: Span,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `MappingFieldSet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/derive.rs:731:10
[INFO] [stdout]     |
[INFO] [stdout] 731 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.10s
[INFO] running `Command { std: "docker" "inspect" "6e99f8da0f27a1d95bf5864e6e2994e6f70dd5227b43b865b95de81d093799d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e99f8da0f27a1d95bf5864e6e2994e6f70dd5227b43b865b95de81d093799d7", kill_on_drop: false }`
[INFO] [stdout] 6e99f8da0f27a1d95bf5864e6e2994e6f70dd5227b43b865b95de81d093799d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b383f4e3fcc7a01d8ad65e7c2b9a051a3eaa6f0e96d17366a37224398dc49352
[INFO] running `Command { std: "docker" "start" "-a" "b383f4e3fcc7a01d8ad65e7c2b9a051a3eaa6f0e96d17366a37224398dc49352", kill_on_drop: false }`
[INFO] [stderr]    Compiling structmapper-codegen v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]    --> src/derive.rs:654:3
[INFO] [stdout]     |
[INFO] [stdout] 654 |   span: Span,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MappingAssignFields` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/derive.rs:651:10
[INFO] [stdout]     |
[INFO] [stdout] 651 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]    --> src/derive.rs:734:3
[INFO] [stdout]     |
[INFO] [stdout] 734 |   span: Span,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `MappingFieldSet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/derive.rs:731:10
[INFO] [stdout]     |
[INFO] [stdout] 731 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]    --> src/derive.rs:654:3
[INFO] [stdout]     |
[INFO] [stdout] 654 |   span: Span,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MappingAssignFields` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/derive.rs:651:10
[INFO] [stdout]     |
[INFO] [stdout] 651 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]    --> src/derive.rs:734:3
[INFO] [stdout]     |
[INFO] [stdout] 734 |   span: Span,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `MappingFieldSet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/derive.rs:731:10
[INFO] [stdout]     |
[INFO] [stdout] 731 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "b383f4e3fcc7a01d8ad65e7c2b9a051a3eaa6f0e96d17366a37224398dc49352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b383f4e3fcc7a01d8ad65e7c2b9a051a3eaa6f0e96d17366a37224398dc49352", kill_on_drop: false }`
[INFO] [stdout] b383f4e3fcc7a01d8ad65e7c2b9a051a3eaa6f0e96d17366a37224398dc49352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ba8222345325f42832b11a820acd67c712dfdedc81f4c54ff24e64c6409d984
[INFO] running `Command { std: "docker" "start" "-a" "9ba8222345325f42832b11a820acd67c712dfdedc81f4c54ff24e64c6409d984", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `span`
[INFO] [stdout] running 5 tests
[INFO] [stderr]    --> src/derive.rs:654:3
[INFO] [stdout] test value_expr::test_ident ... ok
[INFO] [stderr]     |
[INFO] [stdout] test value_expr::test_binary ... ok
[INFO] [stderr] 654 |   span: Span,
[INFO] [stdout] test value_expr::test_tuple_index ... ok
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stdout] test value_expr::test_field_deep ... ok
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `MappingAssignFields` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/derive.rs:651:10
[INFO] [stderr]     |
[INFO] [stderr] 651 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `span`
[INFO] [stderr]    --> src/derive.rs:734:3
[INFO] [stderr]     |
[INFO] [stderr] 734 |   span: Span,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `MappingFieldSet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/derive.rs:731:10
[INFO] [stderr]     |
[INFO] [stderr] 731 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `structmapper-codegen` (lib) generated 2 warnings
[INFO] [stderr] warning: `structmapper-codegen` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/structmapper_codegen-e8b8e679122a76c5)
[INFO] [stderr]    Doc-tests structmapper-codegen
[INFO] [stdout] test value_expr::test_tuple_index_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "9ba8222345325f42832b11a820acd67c712dfdedc81f4c54ff24e64c6409d984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba8222345325f42832b11a820acd67c712dfdedc81f4c54ff24e64c6409d984", kill_on_drop: false }`
[INFO] [stdout] 9ba8222345325f42832b11a820acd67c712dfdedc81f4c54ff24e64c6409d984