[INFO] fetching crate discrim-codegen 0.1.2...
[INFO] checking discrim-codegen-0.1.2 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate discrim-codegen 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate discrim-codegen 0.1.2 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da14246115de93761025cd2dfd46aa5d8000c03f4aef8f4e9280f63b96273f88
[INFO] running `Command { std: "docker" "start" "-a" "da14246115de93761025cd2dfd46aa5d8000c03f4aef8f4e9280f63b96273f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da14246115de93761025cd2dfd46aa5d8000c03f4aef8f4e9280f63b96273f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da14246115de93761025cd2dfd46aa5d8000c03f4aef8f4e9280f63b96273f88", kill_on_drop: false }`
[INFO] [stdout] da14246115de93761025cd2dfd46aa5d8000c03f4aef8f4e9280f63b96273f88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 740446a4452b771943e99e39d381e9032d7dc1575e3596081f0310eee4fd4822
[INFO] running `Command { std: "docker" "start" "-a" "740446a4452b771943e99e39d381e9032d7dc1575e3596081f0310eee4fd4822", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling trybuild v1.0.89
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking basic-toml v0.1.8
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking discrim-codegen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.196
[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] error: cannot determine resolution for the derive macro `FromDiscriminant`
[INFO] [stdout]  --> tests/valid_usage.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, FromDiscriminant, PartialEq)]
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[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 6 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 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "740446a4452b771943e99e39d381e9032d7dc1575e3596081f0310eee4fd4822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740446a4452b771943e99e39d381e9032d7dc1575e3596081f0310eee4fd4822", kill_on_drop: false }`
[INFO] [stdout] 740446a4452b771943e99e39d381e9032d7dc1575e3596081f0310eee4fd4822
