[INFO] fetching crate slog-extlog-derive 8.1.0...
[INFO] testing slog-extlog-derive-8.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate slog-extlog-derive 8.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate slog-extlog-derive 8.1.0
[INFO] finished tweaking crates.io crate slog-extlog-derive 8.1.0
[INFO] tweaked toml for crates.io crate slog-extlog-derive 8.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slog-extlog-derive 8.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a15ab5d2e79f0987d8c1a837fb0a4dea70cbd8bca732587820e99466e315451
[INFO] running `Command { std: "docker" "start" "-a" "9a15ab5d2e79f0987d8c1a837fb0a4dea70cbd8bca732587820e99466e315451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a15ab5d2e79f0987d8c1a837fb0a4dea70cbd8bca732587820e99466e315451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a15ab5d2e79f0987d8c1a837fb0a4dea70cbd8bca732587820e99466e315451", kill_on_drop: false }`
[INFO] [stdout] 9a15ab5d2e79f0987d8c1a837fb0a4dea70cbd8bca732587820e99466e315451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4785264dc8c60a5fb5548555f278903257a48dd6c2ae3e0e14e44f043d0b9425
[INFO] running `Command { std: "docker" "start" "-a" "4785264dc8c60a5fb5548555f278903257a48dd6c2ae3e0e14e44f043d0b9425", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling slog-extlog-derive v8.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.04s
[INFO] running `Command { std: "docker" "inspect" "4785264dc8c60a5fb5548555f278903257a48dd6c2ae3e0e14e44f043d0b9425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4785264dc8c60a5fb5548555f278903257a48dd6c2ae3e0e14e44f043d0b9425", kill_on_drop: false }`
[INFO] [stdout] 4785264dc8c60a5fb5548555f278903257a48dd6c2ae3e0e14e44f043d0b9425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2baa4a2fa6de95c7d313ad27435c90f1b1d21799fdd6a5cddb0907ec280403fc
[INFO] running `Command { std: "docker" "start" "-a" "2baa4a2fa6de95c7d313ad27435c90f1b1d21799fdd6a5cddb0907ec280403fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling iobuffer v0.2.0
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling slog-extlog-derive v8.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `slog_extlog`
[INFO] [stdout]  --> tests/loggable.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use slog_extlog::xlog;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `slog_extlog` in this scope
[INFO] [stdout]   --> tests/loggable.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use slog_extlog::{stats::StatsLoggerBuilder, DefaultLogger};
[INFO] [stdout]    |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `slog_extlog`
[INFO] [stdout]   --> tests/loggable.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use slog_extlog::slog_test;
[INFO] [stdout]    |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `slog_extlog`
[INFO] [stdout]   --> tests/loggable.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use slog_extlog::{stats::StatsLoggerBuilder, DefaultLogger};
[INFO] [stdout]    |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `slog_extlog` in this scope
[INFO] [stdout]   --> tests/loggable.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[derive(Debug, Clone, Serialize, ExtLoggable)]
[INFO] [stdout]    |                                       ^^^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `ExtLoggable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `slog_extlog` in this scope
[INFO] [stdout]   --> tests/loggable.rs:47:39
[INFO] [stdout]    |
[INFO] [stdout] 47 |     #[derive(Debug, Clone, Serialize, SlogValue)]
[INFO] [stdout]    |                                       ^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `SlogValue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `slog_extlog` in this scope
[INFO] [stdout]   --> tests/loggable.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 |     #[derive(Debug, Clone, Serialize, SlogValue)]
[INFO] [stdout]    |                                       ^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `SlogValue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `slog_extlog` in this scope
[INFO] [stdout]   --> tests/loggable.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |     #[derive(Debug, Clone, Serialize, ExtLoggable)]
[INFO] [stdout]    |                                       ^^^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout]    = note: this error originates in the derive macro `ExtLoggable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `slog_extlog` in this scope
[INFO] [stdout]    --> tests/loggable.rs:107:39
[INFO] [stdout]     |
[INFO] [stdout] 107 |     #[derive(Debug, Clone, Serialize, ExtLoggable)]
[INFO] [stdout]     |                                       ^^^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the derive macro `ExtLoggable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `slog_extlog` in this scope
[INFO] [stdout]    --> tests/loggable.rs:146:39
[INFO] [stdout]     |
[INFO] [stdout] 146 |     #[derive(Debug, Clone, Serialize, SlogValue)]
[INFO] [stdout]     |                                       ^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the derive macro `SlogValue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `slog_extlog` in this scope
[INFO] [stdout]    --> tests/loggable.rs:152:39
[INFO] [stdout]     |
[INFO] [stdout] 152 |     #[derive(Debug, Clone, Serialize, SlogValue)]
[INFO] [stdout]     |                                       ^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the derive macro `SlogValue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `slog_extlog` in this scope
[INFO] [stdout]    --> tests/loggable.rs:155:39
[INFO] [stdout]     |
[INFO] [stdout] 155 |     #[derive(Debug, Clone, Serialize, ExtLoggable)]
[INFO] [stdout]     |                                       ^^^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout]     = note: this error originates in the derive macro `ExtLoggable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `slog_extlog` in this scope
[INFO] [stdout]    --> tests/loggable.rs:153:23
[INFO] [stdout]     |
[INFO] [stdout] 153 |     struct Wrapper<V: slog_extlog::SlogValueDerivable>(V);
[INFO] [stdout]     |                       ^^^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `slog_extlog` in this scope
[INFO] [stdout]    --> tests/loggable.rs:157:22
[INFO] [stdout]     |
[INFO] [stdout] 157 |     struct FooLog<V: slog_extlog::SlogValueDerivable> {
[INFO] [stdout]     |                      ^^^^^^^^^^^ use of unresolved module or unlinked crate `slog_extlog`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `slog_extlog`, use `cargo add slog_extlog` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog-extlog-derive` (test "loggable") due to 14 previous errors
[INFO] running `Command { std: "docker" "inspect" "2baa4a2fa6de95c7d313ad27435c90f1b1d21799fdd6a5cddb0907ec280403fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2baa4a2fa6de95c7d313ad27435c90f1b1d21799fdd6a5cddb0907ec280403fc", kill_on_drop: false }`
[INFO] [stdout] 2baa4a2fa6de95c7d313ad27435c90f1b1d21799fdd6a5cddb0907ec280403fc
