[INFO] fetching crate serde_derive_state 0.4.10...
[INFO] checking serde_derive_state-0.4.10 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate serde_derive_state 0.4.10 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serde_derive_state 0.4.10 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_derive_state 0.4.10
[INFO] finished tweaking crates.io crate serde_derive_state 0.4.10
[INFO] tweaked toml for crates.io crate serde_derive_state 0.4.10 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6816df20f8292d9a04ac078226fc0294c6300b2843b172ed09115cc2529e6f5b
[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" "6816df20f8292d9a04ac078226fc0294c6300b2843b172ed09115cc2529e6f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6816df20f8292d9a04ac078226fc0294c6300b2843b172ed09115cc2529e6f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6816df20f8292d9a04ac078226fc0294c6300b2843b172ed09115cc2529e6f5b", kill_on_drop: false }`
[INFO] [stdout] 6816df20f8292d9a04ac078226fc0294c6300b2843b172ed09115cc2529e6f5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c36e4a4e7c299cb41a718fac0ad82100666f38b1018ca9ec123041aca7d0cf8
[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" "0c36e4a4e7c299cb41a718fac0ad82100666f38b1018ca9ec123041aca7d0cf8", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive_state v0.4.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.69
[INFO] [stdout] warning: function is never used: `deserialize_tuple_in_place`
[INFO] [stdout]    --> src/de.rs:579:4
[INFO] [stdout]     |
[INFO] [stdout] 579 | fn deserialize_tuple_in_place(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_seq_in_place`
[INFO] [stdout]    --> src/de.rs:762:4
[INFO] [stdout]     |
[INFO] [stdout] 762 | fn deserialize_seq_in_place(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_newtype_struct_in_place`
[INFO] [stdout]    --> src/de.rs:888:4
[INFO] [stdout]     |
[INFO] [stdout] 888 | fn deserialize_newtype_struct_in_place(params: &Parameters, field: &Field) -> TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_struct_in_place`
[INFO] [stdout]     --> src/de.rs:1082:4
[INFO] [stdout]      |
[INFO] [stdout] 1082 | fn deserialize_struct_in_place(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_struct_as_struct_in_place_visitor`
[INFO] [stdout]     --> src/de.rs:2687:4
[INFO] [stdout]      |
[INFO] [stdout] 2687 | fn deserialize_struct_as_struct_in_place_visitor(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_map_in_place`
[INFO] [stdout]     --> src/de.rs:2721:4
[INFO] [stdout]      |
[INFO] [stdout] 2721 | fn deserialize_map_in_place(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `in_place`
[INFO] [stdout]     --> src/de.rs:3136:8
[INFO] [stdout]      |
[INFO] [stdout] 3136 |     fn in_place(self) -> InPlaceImplGenerics<'a> {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `in_place`
[INFO] [stdout]     --> src/de.rs:3190:8
[INFO] [stdout]      |
[INFO] [stdout] 3190 |     fn in_place(self) -> InPlaceTypeGenerics<'a> {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_tuple_in_place`
[INFO] [stdout]    --> src/de.rs:579:4
[INFO] [stdout]     |
[INFO] [stdout] 579 | fn deserialize_tuple_in_place(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_seq_in_place`
[INFO] [stdout]    --> src/de.rs:762:4
[INFO] [stdout]     |
[INFO] [stdout] 762 | fn deserialize_seq_in_place(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_newtype_struct_in_place`
[INFO] [stdout]    --> src/de.rs:888:4
[INFO] [stdout]     |
[INFO] [stdout] 888 | fn deserialize_newtype_struct_in_place(params: &Parameters, field: &Field) -> TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_struct_in_place`
[INFO] [stdout]     --> src/de.rs:1082:4
[INFO] [stdout]      |
[INFO] [stdout] 1082 | fn deserialize_struct_in_place(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_struct_as_struct_in_place_visitor`
[INFO] [stdout]     --> src/de.rs:2687:4
[INFO] [stdout]      |
[INFO] [stdout] 2687 | fn deserialize_struct_as_struct_in_place_visitor(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize_map_in_place`
[INFO] [stdout]     --> src/de.rs:2721:4
[INFO] [stdout]      |
[INFO] [stdout] 2721 | fn deserialize_map_in_place(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `in_place`
[INFO] [stdout]     --> src/de.rs:3136:8
[INFO] [stdout]      |
[INFO] [stdout] 3136 |     fn in_place(self) -> InPlaceImplGenerics<'a> {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `in_place`
[INFO] [stdout]     --> src/de.rs:3190:8
[INFO] [stdout]      |
[INFO] [stdout] 3190 |     fn in_place(self) -> InPlaceTypeGenerics<'a> {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.52s
[INFO] running `Command { std: "docker" "inspect" "0c36e4a4e7c299cb41a718fac0ad82100666f38b1018ca9ec123041aca7d0cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c36e4a4e7c299cb41a718fac0ad82100666f38b1018ca9ec123041aca7d0cf8", kill_on_drop: false }`
[INFO] [stdout] 0c36e4a4e7c299cb41a718fac0ad82100666f38b1018ca9ec123041aca7d0cf8