[INFO] fetching crate powerset-enum 0.1.0...
[INFO] checking powerset-enum-0.1.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate powerset-enum 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate powerset-enum 0.1.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4706223112eb43ab9cd611dda28a481c85398ecd38168256db7a4fb9360b578d
[INFO] running `Command { std: "docker" "start" "-a" "4706223112eb43ab9cd611dda28a481c85398ecd38168256db7a4fb9360b578d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4706223112eb43ab9cd611dda28a481c85398ecd38168256db7a4fb9360b578d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4706223112eb43ab9cd611dda28a481c85398ecd38168256db7a4fb9360b578d", kill_on_drop: false }`
[INFO] [stdout] 4706223112eb43ab9cd611dda28a481c85398ecd38168256db7a4fb9360b578d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8830d32a73c3abbead8666fd49d060a8cfbcba581376d53b33e32dec353e9b9
[INFO] running `Command { std: "docker" "start" "-a" "a8830d32a73c3abbead8666fd49d060a8cfbcba581376d53b33e32dec353e9b9", 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]     Checking powerset-enum-traits v0.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling powerset-enum-attr v0.1.0
[INFO] [stderr]     Checking 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 undeclared crate or module `serde_derive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `err_derive`
[INFO] [stdout]  --> examples/without_powerset_enums.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]   |                 ^^^^^^^^^^ use of undeclared crate or module `err_derive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `err_derive`
[INFO] [stdout]   --> examples/without_powerset_enums.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared crate or module `err_derive`
[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 undeclared crate or module `serde_derive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `err_derive`
[INFO] [stdout]   --> examples/with_powerset_enums.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug, err_derive::Error)]
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared crate or module `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: 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] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `regex`
[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 undeclared crate or module `regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[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 undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tempfile`
[INFO] [stdout]   --> examples/without_powerset_enums.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let tempdir = tempfile::tempdir().unwrap();
[INFO] [stdout]    |                   ^^^^^^^^ use of undeclared crate or module `tempfile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]   --> examples/without_powerset_enums.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     JsonError(serde_json::Error),
[INFO] [stdout]    |               ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[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[E0433]: failed to resolve: use of undeclared crate or module `regex`
[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 undeclared crate or module `regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/with_powerset_enums.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 |   #[powerset_enum]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^ expected `!`, found type parameter `T1`
[INFO] [stdout] 17 |   #[derive(Debug)]
[INFO] [stdout] 18 |   enum Error {
[INFO] [stdout]    |  ______-
[INFO] [stdout] 19 | |     IoError(io::Error),
[INFO] [stdout] 20 | |     JsonError(serde_json::Error),
[INFO] [stdout]    | |_____________- arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:        expected type `!`
[INFO] [stdout]            found type parameter `T1`
[INFO] [stdout] help: the type constructed contains `T1` due to the type of the argument passed
[INFO] [stdout]   --> examples/with_powerset_enums.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[powerset_enum]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^ this argument influences the type of `Error`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> examples/with_powerset_enums.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     JsonError(serde_json::Error),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    = note: this error originates in the attribute macro `powerset_enum` (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 crate or module `serde_json`
[INFO] [stdout]   --> examples/with_powerset_enums.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Ok(serde_json::from_reader(file)?)
[INFO] [stdout]    |        ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tempfile`
[INFO] [stdout]   --> examples/with_powerset_enums.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let tempdir = tempfile::tempdir().unwrap();
[INFO] [stdout]    |                   ^^^^^^^^ use of undeclared crate or module `tempfile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]   --> examples/with_powerset_enums.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     JsonError(serde_json::Error),
[INFO] [stdout]    |               ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[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 undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[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 undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[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 undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[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" "a8830d32a73c3abbead8666fd49d060a8cfbcba581376d53b33e32dec353e9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8830d32a73c3abbead8666fd49d060a8cfbcba581376d53b33e32dec353e9b9", kill_on_drop: false }`
[INFO] [stdout] a8830d32a73c3abbead8666fd49d060a8cfbcba581376d53b33e32dec353e9b9
