[INFO] fetching crate variants-derive 0.0.0...
[INFO] checking variants-derive-0.0.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate variants-derive 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate variants-derive 0.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate variants-derive 0.0.0
[INFO] tweaked toml for crates.io crate variants-derive 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate variants-derive 0.0.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate variants-derive 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d1bf2a5a8d7f02ae9789c7106255e1435d6f1545f5566a332a3e06c56d49c90
[INFO] running `Command { std: "docker" "start" "-a" "2d1bf2a5a8d7f02ae9789c7106255e1435d6f1545f5566a332a3e06c56d49c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d1bf2a5a8d7f02ae9789c7106255e1435d6f1545f5566a332a3e06c56d49c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1bf2a5a8d7f02ae9789c7106255e1435d6f1545f5566a332a3e06c56d49c90", kill_on_drop: false }`
[INFO] [stdout] 2d1bf2a5a8d7f02ae9789c7106255e1435d6f1545f5566a332a3e06c56d49c90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73d76e4a79fb7cff5bd85d9cc04b704d1cbfc7e4ad222dd68803623c9376ee97
[INFO] running `Command { std: "docker" "start" "-a" "73d76e4a79fb7cff5bd85d9cc04b704d1cbfc7e4ad222dd68803623c9376ee97", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking variants-derive v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ScsysAttr` is never constructed
[INFO] [stdout]  --> src/attrs/attr.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ScsysAttr {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParamsAttr` is never constructed
[INFO] [stdout]   --> src/attrs/attr.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ParamsAttr {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `capitalize_first` is never used
[INFO] [stdout]  --> src/utils.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn capitalize_first(s: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScsysAttr` is never constructed
[INFO] [stdout]  --> src/attrs/attr.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ScsysAttr {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParamsAttr` is never constructed
[INFO] [stdout]   --> src/attrs/attr.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ParamsAttr {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `capitalize_first` is never used
[INFO] [stdout]  --> src/utils.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn capitalize_first(s: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `scsys_derive`
[INFO] [stdout]  --> tests/display.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use scsys_derive::{Display, VariantConstructors};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `scsys_derive`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `scsys_derive`, use `cargo add scsys_derive` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> tests/display.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Clone, Debug, Default, Deserialize, Display, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize,
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Deserialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/display.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout]  8 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> tests/display.rs:11:88
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Clone, Debug, Default, Deserialize, Display, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize,
[INFO] [stdout]    |                                                                                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/display.rs:8:26
[INFO] [stdout]    |
[INFO] [stdout]  8 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `display` in this scope
[INFO] [stdout]   --> tests/display.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[display]
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `TestStruct` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/display.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct TestStruct {
[INFO] [stdout]    | --------------------- method `to_string` not found for this struct because it doesn't satisfy `TestStruct: ToString` or `TestStruct: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 33 |         test_struct.to_string(),
[INFO] [stdout]    |                     ^^^^^^^^^ method cannot be called on `TestStruct` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `TestStruct: std::fmt::Display`
[INFO] [stdout]            which is required by `TestStruct: ToString`
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/fmt/mod.rs:1006:1
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TestStruct: Serialize` is not satisfied
[INFO] [stdout]     --> tests/display.rs:34:31
[INFO] [stdout]      |
[INFO] [stdout]   34 |         serde_json::to_string(&test_struct).unwrap()
[INFO] [stdout]      |         --------------------- ^^^^^^^^^^^^ the trait `Serialize` is not implemented for `TestStruct`
[INFO] [stdout]      |         |
[INFO] [stdout]      |         required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `TestStruct` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `Serialize`:
[INFO] [stdout]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 131 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.133/src/ser.rs:2211:17
[INFO] [stdout]      |
[INFO] [stdout] 2209 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        --------- required by a bound in this function
[INFO] [stdout] 2210 | where
[INFO] [stdout] 2211 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `a` found for enum `SampleUnit` in the current scope
[INFO] [stdout]   --> tests/display.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum SampleUnit {
[INFO] [stdout]    | ------------------- variant or associated item `a` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |     assert_eq!(SampleUnit::a(), SampleUnit::A);
[INFO] [stdout]    |                            ^ variant or associated item not found in `SampleUnit`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a variant with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 40 -     assert_eq!(SampleUnit::a(), SampleUnit::A);
[INFO] [stdout] 40 +     assert_eq!(SampleUnit::A, SampleUnit::A);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `b` found for enum `SampleUnit` in the current scope
[INFO] [stdout]   --> tests/display.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum SampleUnit {
[INFO] [stdout]    | ------------------- variant or associated item `b` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 41 |     assert_eq!(SampleUnit::b(0), SampleUnit::B(0));
[INFO] [stdout]    |                            ^ variant or associated item not found in `SampleUnit`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a variant with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 41 -     assert_eq!(SampleUnit::b(0), SampleUnit::B(0));
[INFO] [stdout] 41 +     assert_eq!(SampleUnit::B(0), SampleUnit::B(0));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `c` found for enum `SampleUnit` in the current scope
[INFO] [stdout]   --> tests/display.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum SampleUnit {
[INFO] [stdout]    | ------------------- variant or associated item `c` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 42 |     assert_eq!(SampleUnit::c(0), SampleUnit::C { inner: 0 });
[INFO] [stdout]    |                            ^ variant or associated item not found in `SampleUnit`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a variant with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 42 -     assert_eq!(SampleUnit::c(0), SampleUnit::C { inner: 0 });
[INFO] [stdout] 42 +     assert_eq!(SampleUnit::C { inner: /* value */ }, SampleUnit::C { inner: 0 });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `abc_def` found for enum `SampleUnit` in the current scope
[INFO] [stdout]   --> tests/display.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum SampleUnit {
[INFO] [stdout]    | ------------------- variant or associated item `abc_def` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 43 |     assert_eq!(SampleUnit::abc_def(0), SampleUnit::AbcDef(0));
[INFO] [stdout]    |                            ^^^^^^^ variant or associated item not found in `SampleUnit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `variants-derive` (test "display") due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "73d76e4a79fb7cff5bd85d9cc04b704d1cbfc7e4ad222dd68803623c9376ee97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d76e4a79fb7cff5bd85d9cc04b704d1cbfc7e4ad222dd68803623c9376ee97", kill_on_drop: false }`
[INFO] [stdout] 73d76e4a79fb7cff5bd85d9cc04b704d1cbfc7e4ad222dd68803623c9376ee97