[INFO] fetching crate toml-migrate 0.1.0...
[INFO] testing toml-migrate-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate toml-migrate 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate toml-migrate 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate toml-migrate 0.1.0
[INFO] tweaked toml for crates.io crate toml-migrate 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate toml-migrate 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate toml-migrate 0.1.0 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6178a665c407ba90b41796492ed47c5ca3689f6d630f8c275412666412fb3b1f
[INFO] running `Command { std: "docker" "start" "-a" "6178a665c407ba90b41796492ed47c5ca3689f6d630f8c275412666412fb3b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6178a665c407ba90b41796492ed47c5ca3689f6d630f8c275412666412fb3b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6178a665c407ba90b41796492ed47c5ca3689f6d630f8c275412666412fb3b1f", kill_on_drop: false }`
[INFO] [stdout] 6178a665c407ba90b41796492ed47c5ca3689f6d630f8c275412666412fb3b1f
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6a8935de2ea57a798dad053137f8bee9446228f560213f17c96680b214444f4
[INFO] running `Command { std: "docker" "start" "-a" "c6a8935de2ea57a798dad053137f8bee9446228f560213f17c96680b214444f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling toml-migrate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.10s
[INFO] running `Command { std: "docker" "inspect" "c6a8935de2ea57a798dad053137f8bee9446228f560213f17c96680b214444f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a8935de2ea57a798dad053137f8bee9446228f560213f17c96680b214444f4", kill_on_drop: false }`
[INFO] [stdout] c6a8935de2ea57a798dad053137f8bee9446228f560213f17c96680b214444f4
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8655bea6079e843090e38b18f2c7d5386987abc25d0c6c102e93c3bedc9b181c
[INFO] running `Command { std: "docker" "start" "-a" "8655bea6079e843090e38b18f2c7d5386987abc25d0c6c102e93c3bedc9b181c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling toml-migrate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `timeout`, and `retries` are never read
[INFO] [stdout]   --> examples/migrate.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct ConfigV2 {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 12 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     timeout: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     retries: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigV2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "8655bea6079e843090e38b18f2c7d5386987abc25d0c6c102e93c3bedc9b181c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8655bea6079e843090e38b18f2c7d5386987abc25d0c6c102e93c3bedc9b181c", kill_on_drop: false }`
[INFO] [stdout] 8655bea6079e843090e38b18f2c7d5386987abc25d0c6c102e93c3bedc9b181c
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06169a6396906fed1d2b9c44a2602f850a13e4db61bd7f6b776f96ec29207382
[INFO] running `Command { std: "docker" "start" "-a" "06169a6396906fed1d2b9c44a2602f850a13e4db61bd7f6b776f96ec29207382", kill_on_drop: false }`
[INFO] [stderr] warning: fields `name`, `timeout`, and `retries` are never read
[INFO] [stderr]   --> examples/migrate.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct ConfigV2 {
[INFO] [stderr]    |        -------- fields in this struct
[INFO] [stderr] 12 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 13 |     timeout: u32,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 14 |     retries: u8,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ConfigV2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `toml-migrate` (example "migrate") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/toml_migrate-c87883e3447ace24)
[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] [stderr]    Doc-tests toml_migrate
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 42) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 38) ... FAILED
[INFO] [stdout] test src/lib.rs - ConfigMigrator (line 29) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - build_migration_chain (line 78) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 10) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 26) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 42) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `ConfigV2` in this scope
[INFO] [stdout]  --> src/lib.rs:43:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn read_config() -> ConfigV2 {
[INFO] [stdout]   |                     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ConfigMigrator`
[INFO] [stdout]   --> src/lib.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let migrator = ConfigMigrator::new("version");
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ use of undeclared type `ConfigMigrator`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  2 + use toml_migrate::ConfigMigrator;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 38) stdout ----
[INFO] [stdout] error: cannot find macro `build_migration_chain` in this scope
[INFO] [stdout]  --> src/lib.rs:39:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | build_migration_chain!(ConfigV1 = 1, ConfigV2 = 2);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use toml_migrate::build_migration_chain;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ConfigMigrator (line 29) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ConfigMigrator`
[INFO] [stdout]  --> src/lib.rs:30:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | let migrator = ConfigMigrator::new("version").with_default_version(0);
[INFO] [stdout]   |                ^^^^^^^^^^^^^^ use of undeclared type `ConfigMigrator`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use toml_migrate::ConfigMigrator;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `config_str` in this scope
[INFO] [stdout]  --> src/lib.rs:32:64
[INFO] [stdout]   |
[INFO] [stdout] 5 | let (config, migration_occured) = migrator.migrate::<ConfigV2>(config_str).unwrap();
[INFO] [stdout]   |                                                                ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ConfigV2` in this scope
[INFO] [stdout]  --> src/lib.rs:32:54
[INFO] [stdout]   |
[INFO] [stdout] 5 | let (config, migration_occured) = migrator.migrate::<ConfigV2>(config_str).unwrap();
[INFO] [stdout]   |                                                      ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_29_0<ConfigV2>() {
[INFO] [stdout]   |                                                                      ++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - build_migration_chain (line 78) stdout ----
[INFO] [stdout] error: cannot find macro `build_migration_chain` in this scope
[INFO] [stdout]  --> src/lib.rs:79:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | build_migration_chain!(ConfigV1 = 1, ConfigV2 = 2, ConfigV3 = 3);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use toml_migrate::build_migration_chain;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 10) stdout ----
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]  --> src/lib.rs:17:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Deserialize)]
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use serde::Deserialize;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]  --> src/lib.rs:11:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Deserialize)]
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use serde::Deserialize;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 26) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `ConfigV1` in this scope
[INFO] [stdout]  --> src/lib.rs:27:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl From<ConfigV1> for ConfigV2 {
[INFO] [stdout]   |           ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl<ConfigV1> From<ConfigV1> for ConfigV2 {
[INFO] [stdout]   |     ++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ConfigV2` in this scope
[INFO] [stdout]  --> src/lib.rs:27:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl From<ConfigV1> for ConfigV2 {
[INFO] [stdout]   |                         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ConfigV1` in this scope
[INFO] [stdout]  --> src/lib.rs:28:19
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn from(prev: ConfigV1) -> Self {
[INFO] [stdout]   |                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 10)
[INFO] [stdout]     src/lib.rs - (line 26)
[INFO] [stdout]     src/lib.rs - (line 38)
[INFO] [stdout]     src/lib.rs - (line 42)
[INFO] [stdout]     src/lib.rs - ConfigMigrator (line 29)
[INFO] [stdout]     src/lib.rs - build_migration_chain (line 78)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "06169a6396906fed1d2b9c44a2602f850a13e4db61bd7f6b776f96ec29207382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06169a6396906fed1d2b9c44a2602f850a13e4db61bd7f6b776f96ec29207382", kill_on_drop: false }`
[INFO] [stdout] 06169a6396906fed1d2b9c44a2602f850a13e4db61bd7f6b776f96ec29207382