[INFO] fetching crate zksync_consensus_utils 0.13.0...
[INFO] testing zksync_consensus_utils-0.13.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate zksync_consensus_utils 0.13.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate zksync_consensus_utils 0.13.0
[INFO] finished tweaking crates.io crate zksync_consensus_utils 0.13.0
[INFO] tweaked toml for crates.io crate zksync_consensus_utils 0.13.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zksync_consensus_utils 0.13.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zksync_consensus_utils 0.13.0 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "041ed5290e65c3306970353ed2f2851e75f1e90780d5711efa986b70b5dff88a", kill_on_drop: false }`
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[INFO] [stdout] 041ed5290e65c3306970353ed2f2851e75f1e90780d5711efa986b70b5dff88a
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[INFO] [stdout] 6b6cacd296eafb04ec889dfc03f030685f1c024439f1472f323e251b68b31e11
[INFO] running `Command { std: "docker" "start" "-a" "6b6cacd296eafb04ec889dfc03f030685f1c024439f1472f323e251b68b31e11", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-client v0.23.1
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[INFO] [stderr]    Compiling dtoa v1.0.10
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[INFO] [stderr]    Compiling syn v2.0.101
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[INFO] [stderr]    Compiling tokio v1.45.1
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[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling zksync_concurrency v0.13.0
[INFO] [stderr]    Compiling zksync_consensus_utils v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "6b6cacd296eafb04ec889dfc03f030685f1c024439f1472f323e251b68b31e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b6cacd296eafb04ec889dfc03f030685f1c024439f1472f323e251b68b31e11", kill_on_drop: false }`
[INFO] [stdout] 6b6cacd296eafb04ec889dfc03f030685f1c024439f1472f323e251b68b31e11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd38c7c0e522766c2f4828372070a6bc4261c00ae2f6dfbf6dc248585fb8cf6
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[INFO] [stderr]    Compiling zksync_consensus_utils v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
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[INFO] running `Command { std: "docker" "rm" "-f" "ddd38c7c0e522766c2f4828372070a6bc4261c00ae2f6dfbf6dc248585fb8cf6", kill_on_drop: false }`
[INFO] [stdout] ddd38c7c0e522766c2f4828372070a6bc4261c00ae2f6dfbf6dc248585fb8cf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dce96fe6a763b59e22bdc88137cf7bd60b096e7d9eb8963d440a0245ffaac340
[INFO] running `Command { std: "docker" "start" "-a" "dce96fe6a763b59e22bdc88137cf7bd60b096e7d9eb8963d440a0245ffaac340", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zksync_consensus_utils-d31855ad573cf04e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zksync_consensus_utils
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/enum_util.rs - enum_util::Variant (line 11) ... FAILED
[INFO] [stdout] test src/enum_util.rs - enum_util::Variant (line 19) ... FAILED
[INFO] [stdout] test src/enum_util.rs - enum_util::Variant (line 35) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/enum_util.rs - enum_util::Variant (line 11) stdout ----
[INFO] [stdout] error: expected one of `,`, `=`, or `}`, found `B`
[INFO] [stdout]  --> src/enum_util.rs:14:3
[INFO] [stdout]   |
[INFO] [stdout] 4 |   A(A)
[INFO] [stdout]   |       -
[INFO] [stdout]   |       |
[INFO] [stdout]   |       expected one of `,`, `=`, or `}`
[INFO] [stdout]   |       help: missing `,`
[INFO] [stdout] 5 |   B(B)
[INFO] [stdout]   |   ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `=`, or `}`, found `C`
[INFO] [stdout]  --> src/enum_util.rs:15:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   B(B)
[INFO] [stdout]   |       -
[INFO] [stdout]   |       |
[INFO] [stdout]   |       expected one of `,`, `=`, or `}`
[INFO] [stdout]   |       help: missing `,`
[INFO] [stdout] 6 |   C(C)
[INFO] [stdout]   |   ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `A` in this scope
[INFO] [stdout]  --> src/enum_util.rs:13:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |   A(A)
[INFO] [stdout]   |     ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum E<A> {
[INFO] [stdout]   |       +++
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `B` in this scope
[INFO] [stdout]  --> src/enum_util.rs:14:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |   B(B)
[INFO] [stdout]   |     ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum E<B> {
[INFO] [stdout]   |       +++
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `C` in this scope
[INFO] [stdout]  --> src/enum_util.rs:15:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |   C(C)
[INFO] [stdout]   |     ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum E<C> {
[INFO] [stdout]   |       +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/enum_util.rs - enum_util::Variant (line 19) stdout ----
[INFO] [stdout] error[E0405]: cannot find trait `Variant` in this scope
[INFO] [stdout]  --> src/enum_util.rs:20:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Variant<E> for A {
[INFO] [stdout]   |      ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 2 + use zksync_consensus_utils::enum_util::Variant;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `E` in this scope
[INFO] [stdout]  --> src/enum_util.rs:20:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Variant<E> for A {
[INFO] [stdout]   |              ^
[INFO] [stdout]  --> /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/cmp.rs:338:1
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named trait `Eq` defined here
[INFO] [stdout]   |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Variant<Eq> for A {
[INFO] [stdout]   |               +
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl<E> Variant<E> for A {
[INFO] [stdout]   |     +++
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `A` in this scope
[INFO] [stdout]  --> src/enum_util.rs:20:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Variant<E> for A {
[INFO] [stdout]   |                     ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `E` in this scope
[INFO] [stdout]  --> src/enum_util.rs:21:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |   fn insert(self) -> E { E::A(self) }
[INFO] [stdout]   |                      ^ help: a trait with a similar name exists: `Eq`
[INFO] [stdout]  --> /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/cmp.rs:338:1
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named trait `Eq` defined here
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `E` in this scope
[INFO] [stdout]  --> src/enum_util.rs:22:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |   fn extract(e:E) -> Result<Self,ErrBadVariant> {
[INFO] [stdout]   |                ^ help: a trait with a similar name exists: `Eq`
[INFO] [stdout]  --> /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/cmp.rs:338:1
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named trait `Eq` defined here
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ErrBadVariant` in this scope
[INFO] [stdout]  --> src/enum_util.rs:22:34
[INFO] [stdout]   |
[INFO] [stdout] 5 |   fn extract(e:E) -> Result<Self,ErrBadVariant> {
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl<ErrBadVariant> Variant<E> for A {
[INFO] [stdout]   |     +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ErrBadVariant` in this scope
[INFO] [stdout]  --> src/enum_util.rs:23:42
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let E::A(this) = e else { return Err(ErrBadVariant) };
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `E`
[INFO] [stdout]  --> src/enum_util.rs:21:26
[INFO] [stdout]   |
[INFO] [stdout] 4 |   fn insert(self) -> E { E::A(self) }
[INFO] [stdout]   |                          ^
[INFO] [stdout]   |                          |
[INFO] [stdout]   |                          use of undeclared type `E`
[INFO] [stdout]   |                          help: a trait with a similar name exists: `Eq`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `E`
[INFO] [stdout]  --> src/enum_util.rs:23:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let E::A(this) = e else { return Err(ErrBadVariant) };
[INFO] [stdout]   |         ^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         use of undeclared type `E`
[INFO] [stdout]   |         help: a trait with a similar name exists: `Eq`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/enum_util.rs - enum_util::Variant (line 35) stdout ----
[INFO] [stdout] error: expected one of `,`, `=`, or `}`, found `B`
[INFO] [stdout]  --> src/enum_util.rs:38:3
[INFO] [stdout]   |
[INFO] [stdout] 4 |   A(A)
[INFO] [stdout]   |       -
[INFO] [stdout]   |       |
[INFO] [stdout]   |       expected one of `,`, `=`, or `}`
[INFO] [stdout]   |       help: missing `,`
[INFO] [stdout] 5 |   B(B)
[INFO] [stdout]   |   ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `A` in this scope
[INFO] [stdout]  --> src/enum_util.rs:37:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |   A(A)
[INFO] [stdout]   |     ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum AorB<A> {
[INFO] [stdout]   |          +++
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `B` in this scope
[INFO] [stdout]  --> src/enum_util.rs:38:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |   B(B)
[INFO] [stdout]   |     ^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum AorB<B> {
[INFO] [stdout]   |          +++
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Variant` in this scope
[INFO] [stdout]  --> src/enum_util.rs:41:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Variant<E> for AorB {
[INFO] [stdout]   |      ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 2 + use zksync_consensus_utils::enum_util::Variant;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `E` in this scope
[INFO] [stdout]  --> src/enum_util.rs:41:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Variant<E> for AorB {
[INFO] [stdout]   |              ^
[INFO] [stdout]  --> /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/cmp.rs:338:1
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named trait `Eq` defined here
[INFO] [stdout]   |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Variant<Eq> for AorB {
[INFO] [stdout]   |               +
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<E> Variant<E> for AorB {
[INFO] [stdout]   |     +++
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `E` in this scope
[INFO] [stdout]  --> src/enum_util.rs:42:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |   fn insert(self) -> E {
[INFO] [stdout]   |                      ^ help: a trait with a similar name exists: `Eq`
[INFO] [stdout]  --> /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/cmp.rs:338:1
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named trait `Eq` defined here
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `E` in this scope
[INFO] [stdout]   --> src/enum_util.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |   fn extract(e:E) -> Result<Self,ErrBadVariant> {
[INFO] [stdout]    |                ^ help: a trait with a similar name exists: `Eq`
[INFO] [stdout]   --> /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/cmp.rs:338:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named trait `Eq` defined here
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ErrBadVariant` in this scope
[INFO] [stdout]   --> src/enum_util.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |   fn extract(e:E) -> Result<Self,ErrBadVariant> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl<ErrBadVariant> Variant<E> for AorB {
[INFO] [stdout]    |     +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ErrBadVariant` in this scope
[INFO] [stdout]   --> src/enum_util.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |       _ => return Err(ErrBadVariant),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `E`
[INFO] [stdout]   --> src/enum_util.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |       Self::A(a) => E::A(a),
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     use of undeclared type `E`
[INFO] [stdout]    |                     help: a trait with a similar name exists: `Eq`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `E`
[INFO] [stdout]   --> src/enum_util.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |       Self::B(b) => E::B(b),
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     use of undeclared type `E`
[INFO] [stdout]    |                     help: a trait with a similar name exists: `Eq`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `E`
[INFO] [stdout]   --> src/enum_util.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 17 |       E::A(a) => Self::A(a),
[INFO] [stdout]    |       ^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       use of undeclared type `E`
[INFO] [stdout]    |       help: a trait with a similar name exists: `Eq`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `E`
[INFO] [stdout]   --> src/enum_util.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 18 |       E::B(b) => Self::B(b),
[INFO] [stdout]    |       ^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       use of undeclared type `E`
[INFO] [stdout]    |       help: a trait with a similar name exists: `Eq`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/enum_util.rs - enum_util::Variant (line 11)
[INFO] [stdout]     src/enum_util.rs - enum_util::Variant (line 19)
[INFO] [stdout]     src/enum_util.rs - enum_util::Variant (line 35)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "dce96fe6a763b59e22bdc88137cf7bd60b096e7d9eb8963d440a0245ffaac340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce96fe6a763b59e22bdc88137cf7bd60b096e7d9eb8963d440a0245ffaac340", kill_on_drop: false }`
[INFO] [stdout] dce96fe6a763b59e22bdc88137cf7bd60b096e7d9eb8963d440a0245ffaac340
