[INFO] fetching crate serde_derive_state_internals 0.4.3...
[INFO] checking serde_derive_state_internals-0.4.3 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate serde_derive_state_internals 0.4.3 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate serde_derive_state_internals 0.4.3 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_derive_state_internals 0.4.3
[INFO] finished tweaking crates.io crate serde_derive_state_internals 0.4.3
[INFO] tweaked toml for crates.io crate serde_derive_state_internals 0.4.3 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2c14141ae8594973147cc928b37c7272c4ec151ac3d2827459bd8380bd8b659
[INFO] running `Command { std: "docker" "start" "-a" "a2c14141ae8594973147cc928b37c7272c4ec151ac3d2827459bd8380bd8b659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2c14141ae8594973147cc928b37c7272c4ec151ac3d2827459bd8380bd8b659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c14141ae8594973147cc928b37c7272c4ec151ac3d2827459bd8380bd8b659", kill_on_drop: false }`
[INFO] [stdout] a2c14141ae8594973147cc928b37c7272c4ec151ac3d2827459bd8380bd8b659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1d1011b27a87b003f4600009e077d215324b773a480b3f0a1a0d5fdc646eaa3
[INFO] running `Command { std: "docker" "start" "-a" "b1d1011b27a87b003f4600009e077d215324b773a480b3f0a1a0d5fdc646eaa3", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking serde_derive_state_internals v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:87:40
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn all_fields(&'a self) -> Box<Iterator<Item = &'a Field<'a>> + 'a> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Field<'a>> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/attr.rs:1198:18
[INFO] [stdout]      |
[INFO] [stdout] 1198 |     let string = try!(get_string_from_lit(cx, attr_name, attr_name, lit));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/attr.rs:1208:18
[INFO] [stdout]      |
[INFO] [stdout] 1208 |     let string = try!(get_string_from_lit(cx, attr_name, meta_item_name, lit));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/attr.rs:1221:18
[INFO] [stdout]      |
[INFO] [stdout] 1221 |     let string = try!(get_string_from_lit(cx, attr_name, attr_name, lit));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/attr.rs:1237:18
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     let string = try!(get_string_from_lit(cx, attr_name, attr_name, lit));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/attr.rs:1266:18
[INFO] [stdout]      |
[INFO] [stdout] 1266 |     let string = try!(get_string_from_lit(cx, attr_name, attr_name, lit));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/case.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ascii::AsciiExt;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:87:40
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn all_fields(&'a self) -> Box<Iterator<Item = &'a Field<'a>> + 'a> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Field<'a>> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/attr.rs:1198:18
[INFO] [stdout]      |
[INFO] [stdout] 1198 |     let string = try!(get_string_from_lit(cx, attr_name, attr_name, lit));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/attr.rs:1208:18
[INFO] [stdout]      |
[INFO] [stdout] 1208 |     let string = try!(get_string_from_lit(cx, attr_name, meta_item_name, lit));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/attr.rs:1221:18
[INFO] [stdout]      |
[INFO] [stdout] 1221 |     let string = try!(get_string_from_lit(cx, attr_name, attr_name, lit));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/attr.rs:1237:18
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     let string = try!(get_string_from_lit(cx, attr_name, attr_name, lit));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/attr.rs:1266:18
[INFO] [stdout]      |
[INFO] [stdout] 1266 |     let string = try!(get_string_from_lit(cx, attr_name, attr_name, lit));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/case.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ascii::AsciiExt;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "b1d1011b27a87b003f4600009e077d215324b773a480b3f0a1a0d5fdc646eaa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d1011b27a87b003f4600009e077d215324b773a480b3f0a1a0d5fdc646eaa3", kill_on_drop: false }`
[INFO] [stdout] b1d1011b27a87b003f4600009e077d215324b773a480b3f0a1a0d5fdc646eaa3