[INFO] fetching crate kserd_derive 0.1.0...
[INFO] testing kserd_derive-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate kserd_derive 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kserd_derive 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c2108ed68f9a79e6a1c2b149f6fb97f2c37653485ebc1d4ed37b04cbd2f1b44
[INFO] running `"docker" "start" "-a" "1c2108ed68f9a79e6a1c2b149f6fb97f2c37653485ebc1d4ed37b04cbd2f1b44"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling kserd_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Index`
[INFO] [stderr]   --> src/lib.rs:23:95
[INFO] [stderr]    |
[INFO] [stderr] 23 |     parse_macro_input, parse_quote, Data, DeriveInput, Fields, GenericParam, Generics, Ident, Index,
[INFO] [stderr]    |                                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fields`
[INFO] [stderr]   --> src/lib.rs:90:33
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 Fields::Unnamed(ref fields) => {
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `"docker" "inspect" "1c2108ed68f9a79e6a1c2b149f6fb97f2c37653485ebc1d4ed37b04cbd2f1b44"`
[INFO] running `"docker" "rm" "-f" "1c2108ed68f9a79e6a1c2b149f6fb97f2c37653485ebc1d4ed37b04cbd2f1b44"`
[INFO] [stdout] 1c2108ed68f9a79e6a1c2b149f6fb97f2c37653485ebc1d4ed37b04cbd2f1b44
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9c0736635c999a7b73cd11ad35cb70ef01a9d7f6f7ba52d74a8dada7640f79a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9c0736635c999a7b73cd11ad35cb70ef01a9d7f6f7ba52d74a8dada7640f79a6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling kserd v0.1.0
[INFO] [stderr] warning: unused import: `Index`
[INFO] [stderr]   --> src/lib.rs:23:95
[INFO] [stderr]    |
[INFO] [stderr] 23 |     parse_macro_input, parse_quote, Data, DeriveInput, Fields, GenericParam, Generics, Ident, Index,
[INFO] [stderr]    |                                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fields`
[INFO] [stderr]   --> src/lib.rs:90:33
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 Fields::Unnamed(ref fields) => {
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling kserd_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: proc-macro derive panicked
[INFO] [stderr]   --> tests/structs.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     #[derive(AsKserd)]
[INFO] [stderr]    |              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: message: not implemented
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `BTreeMap`
[INFO] [stderr]  --> tests/structs.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[derive(AsKserd)]
[INFO] [stderr]   |              ^^^^^^^ use of undeclared type or module `BTreeMap`
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `format`
[INFO] [stderr]   --> tests/structs.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 |         kserd.as_str_with_config(format::FormattingConfig::default())
[INFO] [stderr]    |                                  ^^^^^^ use of undeclared type or module `format`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `format`
[INFO] [stderr]   --> tests/structs.rs:48:34
[INFO] [stderr]    |
[INFO] [stderr] 48 |         kserd.as_str_with_config(format::FormattingConfig::default())
[INFO] [stderr]    |                                  ^^^^^^ use of undeclared type or module `format`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AsKserd` in crate `kserd`
[INFO] [stderr]   --> tests/structs.rs:8:14
[INFO] [stderr]    |
[INFO] [stderr] 8  |     #[derive(AsKserd)]
[INFO] [stderr]    |              ^^^^^^^ help: a trait with a similar name exists: `ToKserd`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/kserd-0.1.0/src/to_kserd.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub trait ToKserd<'a> {
[INFO] [stderr]    | --------------------- similarly named trait `ToKserd` defined here
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `BTreeMap` in this scope
[INFO] [stderr]  --> tests/structs.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[derive(AsKserd)]
[INFO] [stderr]   |              ^^^^^^^ not found in this scope
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::BTreeMap;
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::btree_map::BTreeMap;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `KserdStr` in crate `kserd`
[INFO] [stderr]  --> tests/structs.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[derive(AsKserd)]
[INFO] [stderr]   |              ^^^^^^^ not found in `kserd`
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Index`
[INFO] [stderr]   --> src/lib.rs:23:95
[INFO] [stderr]    |
[INFO] [stderr] 23 |     parse_macro_input, parse_quote, Data, DeriveInput, Fields, GenericParam, Generics, Ident, Index,
[INFO] [stderr]    |                                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0412, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: could not compile `kserd_derive`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `fields`
[INFO] [stderr]   --> src/lib.rs:90:33
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 Fields::Unnamed(ref fields) => {
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9c0736635c999a7b73cd11ad35cb70ef01a9d7f6f7ba52d74a8dada7640f79a6"`
[INFO] running `"docker" "rm" "-f" "9c0736635c999a7b73cd11ad35cb70ef01a9d7f6f7ba52d74a8dada7640f79a6"`
[INFO] [stdout] 9c0736635c999a7b73cd11ad35cb70ef01a9d7f6f7ba52d74a8dada7640f79a6