[INFO] fetching crate ron 0.8.1...
[INFO] checking ron-0.8.1 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate ron 0.8.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ron 0.8.1 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ron 0.8.1
[INFO] finished tweaking crates.io crate ron 0.8.1
[INFO] tweaked toml for crates.io crate ron 0.8.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ron 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded option_set v0.2.0
[INFO] [stderr]   Downloaded serde v1.0.183
[INFO] [stderr]   Downloaded serde_bytes v0.11.12
[INFO] [stderr]   Downloaded base64 v0.21.2
[INFO] [stderr]   Downloaded serde_json v1.0.105
[INFO] [stderr]   Downloaded syn v2.0.29
[INFO] [stderr]   Downloaded serde_derive v1.0.183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 344917a3e0084e804c5afac635b9faf6090147917ba48a12378ecd450dda59f1
[INFO] running `Command { std: "docker" "start" "-a" "344917a3e0084e804c5afac635b9faf6090147917ba48a12378ecd450dda59f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "344917a3e0084e804c5afac635b9faf6090147917ba48a12378ecd450dda59f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344917a3e0084e804c5afac635b9faf6090147917ba48a12378ecd450dda59f1", kill_on_drop: false }`
[INFO] [stdout] 344917a3e0084e804c5afac635b9faf6090147917ba48a12378ecd450dda59f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca05172276867a4d4702c7a57c7cd50f63e8562776d10e3b039232edb399c47a
[INFO] running `Command { std: "docker" "start" "-a" "ca05172276867a4d4702c7a57c7cd50f63e8562776d10e3b039232edb399c47a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking option_set v0.2.0
[INFO] [stderr]     Checking ron v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_bytes` is imported redundantly
[INFO] [stdout]  --> src/de/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `serde_bytes` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> examples/encode.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, iter::FromIterator};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/410_trailing_comma.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Newtype(i32);
[INFO] [stdout]   |        ------- ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Newtype(());
[INFO] [stdout]   |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/410_trailing_comma.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Tuple(i32, i32);
[INFO] [stdout]    |        ----- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Tuple((), ());
[INFO] [stdout]    |              ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.59s
[INFO] running `Command { std: "docker" "inspect" "ca05172276867a4d4702c7a57c7cd50f63e8562776d10e3b039232edb399c47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca05172276867a4d4702c7a57c7cd50f63e8562776d10e3b039232edb399c47a", kill_on_drop: false }`
[INFO] [stdout] ca05172276867a4d4702c7a57c7cd50f63e8562776d10e3b039232edb399c47a
[INFO] checking ron-0.8.1 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1
[INFO] extracting crate ron 0.8.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ron 0.8.1 on toolchain 9ae1860851f3fbc1435a1698e572252c0076f413
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ron 0.8.1
[INFO] finished tweaking crates.io crate ron 0.8.1
[INFO] tweaked toml for crates.io crate ron 0.8.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ron 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a2fcde80253aba7deee43abb85c87b004a3f4080267b620a523cfd11bd95ab7
[INFO] running `Command { std: "docker" "start" "-a" "7a2fcde80253aba7deee43abb85c87b004a3f4080267b620a523cfd11bd95ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a2fcde80253aba7deee43abb85c87b004a3f4080267b620a523cfd11bd95ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2fcde80253aba7deee43abb85c87b004a3f4080267b620a523cfd11bd95ab7", kill_on_drop: false }`
[INFO] [stdout] 7a2fcde80253aba7deee43abb85c87b004a3f4080267b620a523cfd11bd95ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48e1ac405bcf2030c2f23ce5fb173863ee548d76367e764920d882fcda8d9ce2
[INFO] running `Command { std: "docker" "start" "-a" "48e1ac405bcf2030c2f23ce5fb173863ee548d76367e764920d882fcda8d9ce2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking option_set v0.2.0
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking ron v0.8.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/9ae1860851f3fbc1435a1698e572252c0076f413/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_bytes` is imported redundantly
[INFO] [stdout]  --> src/de/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `serde_bytes` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/9ae1860851f3fbc1435a1698e572252c0076f413/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/big_struct.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/non_identifier_identifier.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/250_variant_newtypes.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/preserve_sequence.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/decode_file.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/to_string_pretty.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/367_implicit_some.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/decode.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/comments.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/escape.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/370_float_parsing.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/struct_integers.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/423_de_borrowed_identifier.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/roundtrip.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/256_comma_error.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/152_bitflags.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/options.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/207_adjacently_tagged_enum.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/transcode.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/240_array_pretty.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/numbers.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/462_bytes.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/337_value_float_roundtrip.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/borrowed_str.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/unicode.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/238_array.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/393_serde_errors.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/123_enum_representation.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/359_deserialize_seed.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/203_error_positions.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/289_enumerate_arrays.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/floats.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/147_empty_sets_serialisation.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/depth_limit.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/encode.rs from 2021 edition to 2024
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> examples/encode.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, iter::FromIterator};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/9ae1860851f3fbc1435a1698e572252c0076f413/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/extensions.rs from 2021 edition to 2024
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/value.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/large_number.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/min_max.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/307_stack_overflow.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/117_untagged_tuple_variant.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/401_raw_identifier.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/301_struct_name_mismatch.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/322_escape_idents.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/129_indexmap.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/410_trailing_comma.rs from 2021 edition to 2024
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/410_trailing_comma.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Newtype(i32);
[INFO] [stdout]   |        ------- ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Newtype(());
[INFO] [stdout]   |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/410_trailing_comma.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Tuple(i32, i32);
[INFO] [stdout]    |        ----- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Tuple((), ());
[INFO] [stdout]    |              ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.43s
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]     Checking ron v0.8.1 (/tmp/fixit)
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/9ae1860851f3fbc1435a1698e572252c0076f413/library/std/src/prelude/mod.rs:143:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_bytes` is imported redundantly
[INFO] [stdout]  --> src/de/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `serde_bytes` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/9ae1860851f3fbc1435a1698e572252c0076f413/library/std/src/prelude/mod.rs:143:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> examples/encode.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, iter::FromIterator};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/9ae1860851f3fbc1435a1698e572252c0076f413/library/std/src/prelude/mod.rs:143:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/410_trailing_comma.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Newtype(i32);
[INFO] [stdout]   |        ------- ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Newtype(());
[INFO] [stdout]   |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/410_trailing_comma.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Tuple(i32, i32);
[INFO] [stdout]    |        ----- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Tuple((), ());
[INFO] [stdout]    |              ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "48e1ac405bcf2030c2f23ce5fb173863ee548d76367e764920d882fcda8d9ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e1ac405bcf2030c2f23ce5fb173863ee548d76367e764920d882fcda8d9ce2", kill_on_drop: false }`
[INFO] [stdout] 48e1ac405bcf2030c2f23ce5fb173863ee548d76367e764920d882fcda8d9ce2