[INFO] fetching crate discrim-codegen 0.1.2...
[INFO] testing discrim-codegen-0.1.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate discrim-codegen 0.1.2 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate discrim-codegen 0.1.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89028b50368e4e3fcd6f692960ef56ab2da6c0ae810548a0d45c9a90843856a4
[INFO] running `Command { std: "docker" "start" "-a" "89028b50368e4e3fcd6f692960ef56ab2da6c0ae810548a0d45c9a90843856a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89028b50368e4e3fcd6f692960ef56ab2da6c0ae810548a0d45c9a90843856a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89028b50368e4e3fcd6f692960ef56ab2da6c0ae810548a0d45c9a90843856a4", kill_on_drop: false }`
[INFO] [stdout] 89028b50368e4e3fcd6f692960ef56ab2da6c0ae810548a0d45c9a90843856a4
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 544f8b8e5e3f58fd9f6bd9c04d7df2fe5fb5d3e165d27583238c2f4857733024
[INFO] running `Command { std: "docker" "start" "-a" "544f8b8e5e3f58fd9f6bd9c04d7df2fe5fb5d3e165d27583238c2f4857733024", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling discrim-codegen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "544f8b8e5e3f58fd9f6bd9c04d7df2fe5fb5d3e165d27583238c2f4857733024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544f8b8e5e3f58fd9f6bd9c04d7df2fe5fb5d3e165d27583238c2f4857733024", kill_on_drop: false }`
[INFO] [stdout] 544f8b8e5e3f58fd9f6bd9c04d7df2fe5fb5d3e165d27583238c2f4857733024
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbbfea78efdbce4c7093a587e36cd75a9ba36a885c38249e37bae5691a04f562
[INFO] running `Command { std: "docker" "start" "-a" "fbbfea78efdbce4c7093a587e36cd75a9ba36a885c38249e37bae5691a04f562", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde_spanned v1.0.0
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling toml v0.9.5
[INFO] [stderr]    Compiling discrim-codegen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling trybuild v1.0.110
[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 unresolved module or unlinked crate `discrim`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `discrim`, use `cargo add discrim` to add it to your `Cargo.toml`
[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]    |                       ^^^^^^^^^^^^^^^^^ variant or associated item not found in `TestVariants`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a variant with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 16 -         TestVariants::from_discriminant(0),
[INFO] [stdout] 16 +         TestVariants::NormalDiscriminant,
[INFO] [stdout]    |
[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]    |                       ^^^^^^^^^^^^^^^^^ variant or associated item not found in `TestVariants`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a variant with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 24 -         TestVariants::from_discriminant(3),
[INFO] [stdout] 24 +         TestVariants::NormalDiscriminant,
[INFO] [stdout]    |
[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]    |                       ^^^^^^^^^^^^^^^^^ variant or associated item not found in `TestVariants`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a variant with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 32 -         TestVariants::from_discriminant(FLAG - 1),
[INFO] [stdout] 32 +         TestVariants::NormalDiscriminant,
[INFO] [stdout]    |
[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]    |                       ^^^^^^^^^^^^^^^^^ variant or associated item not found in `TestVariants`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a variant with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 40 -         TestVariants::from_discriminant(1),
[INFO] [stdout] 40 +         TestVariants::NormalDiscriminant,
[INFO] [stdout]    |
[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 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "fbbfea78efdbce4c7093a587e36cd75a9ba36a885c38249e37bae5691a04f562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbfea78efdbce4c7093a587e36cd75a9ba36a885c38249e37bae5691a04f562", kill_on_drop: false }`
[INFO] [stdout] fbbfea78efdbce4c7093a587e36cd75a9ba36a885c38249e37bae5691a04f562