[INFO] fetching crate kserd_derive 0.1.0...
[INFO] testing kserd_derive-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate kserd_derive 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate kserd_derive 0.1.0
[INFO] finished tweaking crates.io crate kserd_derive 0.1.0
[INFO] tweaked toml for crates.io crate kserd_derive 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kserd_derive 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding kserd v0.1.0 (available: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kserd v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf9c479b7e2f2bb689c43232b99d1c6eaf9eacf2e6ffc75a62e0fc3975b521cf
[INFO] running `Command { std: "docker" "start" "-a" "cf9c479b7e2f2bb689c43232b99d1c6eaf9eacf2e6ffc75a62e0fc3975b521cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf9c479b7e2f2bb689c43232b99d1c6eaf9eacf2e6ffc75a62e0fc3975b521cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf9c479b7e2f2bb689c43232b99d1c6eaf9eacf2e6ffc75a62e0fc3975b521cf", kill_on_drop: false }`
[INFO] [stdout] cf9c479b7e2f2bb689c43232b99d1c6eaf9eacf2e6ffc75a62e0fc3975b521cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed2f108c98495f9ad0c38ae1a7dfaa26357ad734420e4bc03c95518793561fe6
[INFO] running `Command { std: "docker" "start" "-a" "ed2f108c98495f9ad0c38ae1a7dfaa26357ad734420e4bc03c95518793561fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling kserd_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]   --> src/lib.rs:23:95
[INFO] [stdout]    |
[INFO] [stdout] 23 |     parse_macro_input, parse_quote, Data, DeriveInput, Fields, GenericParam, Generics, Ident, Index,
[INFO] [stdout]    |                                                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]   --> src/lib.rs:90:37
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 Fields::Unnamed(ref fields) => {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "ed2f108c98495f9ad0c38ae1a7dfaa26357ad734420e4bc03c95518793561fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2f108c98495f9ad0c38ae1a7dfaa26357ad734420e4bc03c95518793561fe6", kill_on_drop: false }`
[INFO] [stdout] ed2f108c98495f9ad0c38ae1a7dfaa26357ad734420e4bc03c95518793561fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4712ccc119b8a23ad704ac01857e88f0c7691a81cb05588c95d432565cd1cbc0
[INFO] running `Command { std: "docker" "start" "-a" "4712ccc119b8a23ad704ac01857e88f0c7691a81cb05588c95d432565cd1cbc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling kserd v0.1.0
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling kserd_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]   --> src/lib.rs:23:95
[INFO] [stdout]    |
[INFO] [stdout] 23 |     parse_macro_input, parse_quote, Data, DeriveInput, Fields, GenericParam, Generics, Ident, Index,
[INFO] [stdout]    |                                                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]   --> src/lib.rs:90:37
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 Fields::Unnamed(ref fields) => {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]   --> src/lib.rs:23:95
[INFO] [stdout]    |
[INFO] [stdout] 23 |     parse_macro_input, parse_quote, Data, DeriveInput, Fields, GenericParam, Generics, Ident, Index,
[INFO] [stdout]    |                                                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]   --> src/lib.rs:90:37
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 Fields::Unnamed(ref fields) => {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> tests/structs.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 |     #[derive(AsKserd)]
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: not implemented
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `format`
[INFO] [stdout]   --> tests/structs.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |         kserd.as_str_with_config(format::FormattingConfig::default())
[INFO] [stdout]    |                                  ^^^^^^ use of unresolved module or unlinked crate `format`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `format`, use `cargo add format` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `format`
[INFO] [stdout]   --> tests/structs.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |         kserd.as_str_with_config(format::FormattingConfig::default())
[INFO] [stdout]    |                                  ^^^^^^ use of unresolved module or unlinked crate `format`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `format`, use `cargo add format` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `AsKserd` in crate `kserd`
[INFO] [stdout]   --> tests/structs.rs:8:14
[INFO] [stdout]    |
[INFO] [stdout]  8 |     #[derive(AsKserd)]
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/kserd-0.1.0/src/to_kserd.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub trait ToKserd<'a> {
[INFO] [stdout]    | --------------------- similarly named trait `ToKserd` defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `AsKserd` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `BTreeMap` in this scope
[INFO] [stdout]  --> tests/structs.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(AsKserd)]
[INFO] [stdout]   |              ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `AsKserd` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::collections::BTreeMap;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `KserdStr` in crate `kserd`
[INFO] [stdout]  --> tests/structs.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(AsKserd)]
[INFO] [stdout]   |              ^^^^^^^ not found in `kserd`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `AsKserd` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BTreeMap`
[INFO] [stdout]  --> tests/structs.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(AsKserd)]
[INFO] [stdout]   |              ^^^^^^^ use of undeclared type `BTreeMap`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `AsKserd` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::collections::BTreeMap;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kserd_derive` (test "structs") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "4712ccc119b8a23ad704ac01857e88f0c7691a81cb05588c95d432565cd1cbc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4712ccc119b8a23ad704ac01857e88f0c7691a81cb05588c95d432565cd1cbc0", kill_on_drop: false }`
[INFO] [stdout] 4712ccc119b8a23ad704ac01857e88f0c7691a81cb05588c95d432565cd1cbc0
