[INFO] fetching crate powerset-enum 0.1.0...
[INFO] testing powerset-enum-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate powerset-enum 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate powerset-enum 0.1.0
[INFO] finished tweaking crates.io crate powerset-enum 0.1.0
[INFO] tweaked toml for crates.io crate powerset-enum 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate powerset-enum 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded powerset-enum-attr v0.1.0
[INFO] [stderr]   Downloaded powerset-enum-traits v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fec13c6ec9b264517fbb9ccc8fa1d9a635113c1e2457a4d5a9cc18bb04b929c
[INFO] running `Command { std: "docker" "start" "-a" "4fec13c6ec9b264517fbb9ccc8fa1d9a635113c1e2457a4d5a9cc18bb04b929c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fec13c6ec9b264517fbb9ccc8fa1d9a635113c1e2457a4d5a9cc18bb04b929c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fec13c6ec9b264517fbb9ccc8fa1d9a635113c1e2457a4d5a9cc18bb04b929c", kill_on_drop: false }`
[INFO] [stdout] 4fec13c6ec9b264517fbb9ccc8fa1d9a635113c1e2457a4d5a9cc18bb04b929c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34f578b93567d3ed17f0913c4d85315eabd480ad0a0581caab5897f08d9ee209
[INFO] running `Command { std: "docker" "start" "-a" "34f578b93567d3ed17f0913c4d85315eabd480ad0a0581caab5897f08d9ee209", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling powerset-enum-traits v0.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling powerset-enum-attr v0.1.0
[INFO] [stderr]    Compiling powerset-enum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `Command { std: "docker" "inspect" "34f578b93567d3ed17f0913c4d85315eabd480ad0a0581caab5897f08d9ee209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f578b93567d3ed17f0913c4d85315eabd480ad0a0581caab5897f08d9ee209", kill_on_drop: false }`
[INFO] [stdout] 34f578b93567d3ed17f0913c4d85315eabd480ad0a0581caab5897f08d9ee209
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8014da17f9a03cad33069389986286fcc0aca33c982ab6f0035439bc00962124
[INFO] running `Command { std: "docker" "start" "-a" "8014da17f9a03cad33069389986286fcc0aca33c982ab6f0035439bc00962124", kill_on_drop: false }`
[INFO] [stderr]    Compiling powerset-enum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde_derive`
[INFO] [stdout]  --> examples/without_powerset_enums.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_derive::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `serde_derive`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serde_derive`, use `cargo add serde_derive` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `err_derive` in this scope
[INFO] [stdout]  --> examples/without_powerset_enums.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]   |                 ^^^^^^^^^^ use of unresolved module or unlinked crate `err_derive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `err_derive` in this scope
[INFO] [stdout]   --> examples/without_powerset_enums.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]    |                 ^^^^^^^^^^ use of unresolved module or unlinked crate `err_derive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `error` in this scope
[INFO] [stdout]  --> examples/without_powerset_enums.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[error(display = "field is out of range")]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `error` in this scope
[INFO] [stdout]   --> examples/without_powerset_enums.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |     #[error(display = "{}", _0)]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `error` in this scope
[INFO] [stdout]   --> examples/without_powerset_enums.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 |     #[error(display = "{}", _0)]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `error` in this scope
[INFO] [stdout]   --> examples/without_powerset_enums.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 |     #[error(display = "{}", _0)]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `regex` in this scope
[INFO] [stdout]   --> examples/without_powerset_enums.rs:53:30
[INFO] [stdout]    |
[INFO] [stdout] 53 |             if let Some(m) = regex::Regex::new(r"\d+").unwrap().find(&content) {
[INFO] [stdout]    |                              ^^^^^ use of unresolved module or unlinked crate `regex`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `regex`, use `cargo add regex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> examples/without_powerset_enums.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     serde_json::from_reader(file).map_err(Error::JsonError)
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `tempfile` in this scope
[INFO] [stdout]   --> examples/without_powerset_enums.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let tempdir = tempfile::tempdir().unwrap();
[INFO] [stdout]    |                   ^^^^^^^^ use of unresolved module or unlinked crate `tempfile`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tempfile`, use `cargo add tempfile` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> examples/without_powerset_enums.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     JsonError(serde_json::Error),
[INFO] [stdout]    |               ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` 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 `powerset-enum` (example "without_powerset_enums") due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> examples/example.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type, exhaustive_patterns, proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/tests.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type, exhaustive_patterns, proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde_derive`
[INFO] [stdout]  --> examples/with_powerset_enums.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_derive::Deserialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `serde_derive`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serde_derive`, use `cargo add serde_derive` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `err_derive` in this scope
[INFO] [stdout]   --> examples/with_powerset_enums.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]    |                 ^^^^^^^^^^ use of unresolved module or unlinked crate `err_derive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `error` in this scope
[INFO] [stdout]   --> examples/with_powerset_enums.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[error(display = "field is out of range")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `powerset-enum` (example "example") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `powerset-enum` (test "tests") due to 1 previous error
[INFO] [stdout] error[E0433]: cannot find module or crate `regex` in this scope
[INFO] [stdout]   --> examples/with_powerset_enums.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |             if let Some(m) = regex::Regex::new(r"\d+").unwrap().find(&content) {
[INFO] [stdout]    |                              ^^^^^ use of unresolved module or unlinked crate `regex`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `regex`, use `cargo add regex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> examples/with_powerset_enums.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type, exhaustive_patterns, proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> examples/with_powerset_enums.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Ok(serde_json::from_reader(file)?)
[INFO] [stdout]    |        ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `tempfile` in this scope
[INFO] [stdout]   --> examples/with_powerset_enums.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let tempdir = tempfile::tempdir().unwrap();
[INFO] [stdout]    |                   ^^^^^^^^ use of unresolved module or unlinked crate `tempfile`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tempfile`, use `cargo add tempfile` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> examples/with_powerset_enums.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     JsonError(serde_json::Error),
[INFO] [stdout]    |               ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> examples/with_powerset_enums.rs:29:76
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn load_data_file_unchecked(path: &Path) -> Result<Data, Error![io::Error, serde_json::Error]> {
[INFO] [stdout]    |                                                                            ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> examples/with_powerset_enums.rs:42:66
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn load_data_file_or_default(path: &Path) -> Result<Data, Error![serde_json::Error, FieldError]> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> examples/with_powerset_enums.rs:34:66
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn load_data_file(path: &Path) -> Result<Data, Error![io::Error, serde_json::Error, FieldError]> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `powerset-enum` (example "with_powerset_enums") due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "8014da17f9a03cad33069389986286fcc0aca33c982ab6f0035439bc00962124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8014da17f9a03cad33069389986286fcc0aca33c982ab6f0035439bc00962124", kill_on_drop: false }`
[INFO] [stdout] 8014da17f9a03cad33069389986286fcc0aca33c982ab6f0035439bc00962124
