[INFO] fetching crate enum_dict 0.2.0...
[INFO] testing enum_dict-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate enum_dict 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate enum_dict 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate enum_dict 0.2.0
[INFO] tweaked toml for crates.io crate enum_dict 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate enum_dict 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate enum_dict 0.2.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 370400f7733a29652d8bcc53ef02d97c7ddb133213f215f303c5ff7e96a32c3d
[INFO] running `Command { std: "docker" "start" "-a" "370400f7733a29652d8bcc53ef02d97c7ddb133213f215f303c5ff7e96a32c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "370400f7733a29652d8bcc53ef02d97c7ddb133213f215f303c5ff7e96a32c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370400f7733a29652d8bcc53ef02d97c7ddb133213f215f303c5ff7e96a32c3d", kill_on_drop: false }`
[INFO] [stdout] 370400f7733a29652d8bcc53ef02d97c7ddb133213f215f303c5ff7e96a32c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f8a115630ede69987f0550f43d7a1dadb1bdd2b5d4df9710d888412b66cfab9
[INFO] running `Command { std: "docker" "start" "-a" "1f8a115630ede69987f0550f43d7a1dadb1bdd2b5d4df9710d888412b66cfab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling enum_dict_derive v0.1.1
[INFO] [stderr]    Compiling enum_dict v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DictVisitor` is never constructed
[INFO] [stdout]   --> src/dict_key.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct DictVisitor<K, V>(PhantomData<(K, V)>);
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dict_key.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<K, V> DictVisitor<K, V> {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "1f8a115630ede69987f0550f43d7a1dadb1bdd2b5d4df9710d888412b66cfab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8a115630ede69987f0550f43d7a1dadb1bdd2b5d4df9710d888412b66cfab9", kill_on_drop: false }`
[INFO] [stdout] 1f8a115630ede69987f0550f43d7a1dadb1bdd2b5d4df9710d888412b66cfab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e9f673bb7889becac86494a88712d32ac42fadcc16f6a1c3949af9fd8acf5a4
[INFO] running `Command { std: "docker" "start" "-a" "0e9f673bb7889becac86494a88712d32ac42fadcc16f6a1c3949af9fd8acf5a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.223
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stdout] warning: struct `DictVisitor` is never constructed
[INFO] [stdout]   --> src/dict_key.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct DictVisitor<K, V>(PhantomData<(K, V)>);
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dict_key.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<K, V> DictVisitor<K, V> {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling enum_dict v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]  --> tests/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `serde`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serde`, use `cargo add serde` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DictVisitor` is never constructed
[INFO] [stdout]   --> src/dict_key.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct DictVisitor<K, V>(PhantomData<(K, V)>);
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dict_key.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<K, V> DictVisitor<K, V> {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Data: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> tests/test.rs:29:22
[INFO] [stdout]      |
[INFO] [stdout]   29 |     let data: Data = serde_json::from_str(json).unwrap();
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]      |
[INFO] [stdout] help: the trait `serde_core::de::Deserialize<'_>` is not implemented for `Data`
[INFO] [stdout]     --> tests/test.rs:11:1
[INFO] [stdout]      |
[INFO] [stdout]   11 | struct Data {
[INFO] [stdout]      | ^^^^^^^^^^^
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `Data` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde_core::de::Deserialize<'de>`:
[INFO] [stdout]                &'a Path
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 140 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Data: serde::Serialize` is not satisfied
[INFO] [stdout]     --> tests/test.rs:39:31
[INFO] [stdout]      |
[INFO] [stdout]   39 |         serde_json::to_string(&data).unwrap(),
[INFO] [stdout]      |         --------------------- ^^^^^ unsatisfied trait bound
[INFO] [stdout]      |         |
[INFO] [stdout]      |         required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout] help: the trait `serde_core::ser::Serialize` is not implemented for `Data`
[INFO] [stdout]     --> tests/test.rs:11:1
[INFO] [stdout]      |
[INFO] [stdout]   11 | struct Data {
[INFO] [stdout]      | ^^^^^^^^^^^
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `Data` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde_core::ser::Serialize`:
[INFO] [stdout]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 128 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/ser.rs:2247:17
[INFO] [stdout]      |
[INFO] [stdout] 2245 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        --------- required by a bound in this function
[INFO] [stdout] 2246 | where
[INFO] [stdout] 2247 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Data: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> tests/test.rs:53:38
[INFO] [stdout]      |
[INFO] [stdout]   53 |     let err = serde_json::from_str::<Data>(json).unwrap_err();
[INFO] [stdout]      |                                      ^^^^ unsatisfied trait bound
[INFO] [stdout]      |
[INFO] [stdout] help: the trait `serde_core::de::Deserialize<'_>` is not implemented for `Data`
[INFO] [stdout]     --> tests/test.rs:11:1
[INFO] [stdout]      |
[INFO] [stdout]   11 | struct Data {
[INFO] [stdout]      | ^^^^^^^^^^^
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `Data` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde_core::de::Deserialize<'de>`:
[INFO] [stdout]                &'a Path
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 140 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enum_dict` (test "test") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0e9f673bb7889becac86494a88712d32ac42fadcc16f6a1c3949af9fd8acf5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9f673bb7889becac86494a88712d32ac42fadcc16f6a1c3949af9fd8acf5a4", kill_on_drop: false }`
[INFO] [stdout] 0e9f673bb7889becac86494a88712d32ac42fadcc16f6a1c3949af9fd8acf5a4
