[INFO] fetching crate discrim-codegen 0.1.2...
[INFO] checking discrim-codegen-0.1.2 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate discrim-codegen 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate discrim-codegen 0.1.2 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discrim-codegen 0.1.2
[INFO] finished tweaking crates.io crate discrim-codegen 0.1.2
[INFO] tweaked toml for crates.io crate discrim-codegen 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abab1f4c1643dc9755cc4c22fab251f3aae92e75cc73888ab15032ebc24e1b2b
[INFO] running `Command { std: "docker" "start" "-a" "abab1f4c1643dc9755cc4c22fab251f3aae92e75cc73888ab15032ebc24e1b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abab1f4c1643dc9755cc4c22fab251f3aae92e75cc73888ab15032ebc24e1b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abab1f4c1643dc9755cc4c22fab251f3aae92e75cc73888ab15032ebc24e1b2b", kill_on_drop: false }`
[INFO] [stdout] abab1f4c1643dc9755cc4c22fab251f3aae92e75cc73888ab15032ebc24e1b2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7e13df25b1e6934ba0e57787e92912f5e065697a477cee50878c0e9ec1de07b
[INFO] running `Command { std: "docker" "start" "-a" "d7e13df25b1e6934ba0e57787e92912f5e065697a477cee50878c0e9ec1de07b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking discrim-codegen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self,
[INFO] [stdout]   |     ^^^^ the item `syn` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self,
[INFO] [stdout]   |     ^^^^ the item `syn` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking trybuild v1.0.90
[INFO] [stdout] error[E0432]: unresolved import `discrim`
[INFO] [stdout]  --> tests/valid_usage.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use discrim::FromDiscriminant;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `discrim`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self,
[INFO] [stdout]   |     ^^^^ the item `syn` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `from_discriminant` found for enum `TestVariants` in the current scope
[INFO] [stdout]   --> tests/valid_usage.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum TestVariants {
[INFO] [stdout]    | ----------------- variant or associated item `from_discriminant` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |         TestVariants::from_discriminant(0),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       variant or associated item not found in `TestVariants`
[INFO] [stdout]    |                       help: there is a variant with a similar name: `NormalDiscriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `from_discriminant` found for enum `TestVariants` in the current scope
[INFO] [stdout]   --> tests/valid_usage.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum TestVariants {
[INFO] [stdout]    | ----------------- variant or associated item `from_discriminant` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |         TestVariants::from_discriminant(3),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       variant or associated item not found in `TestVariants`
[INFO] [stdout]    |                       help: there is a variant with a similar name: `NormalDiscriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `from_discriminant` found for enum `TestVariants` in the current scope
[INFO] [stdout]   --> tests/valid_usage.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum TestVariants {
[INFO] [stdout]    | ----------------- variant or associated item `from_discriminant` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 32 |         TestVariants::from_discriminant(FLAG - 1),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       variant or associated item not found in `TestVariants`
[INFO] [stdout]    |                       help: there is a variant with a similar name: `NormalDiscriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `from_discriminant` found for enum `TestVariants` in the current scope
[INFO] [stdout]   --> tests/valid_usage.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum TestVariants {
[INFO] [stdout]    | ----------------- variant or associated item `from_discriminant` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |         TestVariants::from_discriminant(1),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       variant or associated item not found in `TestVariants`
[INFO] [stdout]    |                       help: there is a variant with a similar name: `NormalDiscriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `discrim-codegen` (test "valid_usage") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "d7e13df25b1e6934ba0e57787e92912f5e065697a477cee50878c0e9ec1de07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e13df25b1e6934ba0e57787e92912f5e065697a477cee50878c0e9ec1de07b", kill_on_drop: false }`
[INFO] [stdout] d7e13df25b1e6934ba0e57787e92912f5e065697a477cee50878c0e9ec1de07b
