[INFO] fetching crate discrim-codegen 0.1.2...
[INFO] testing discrim-codegen-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate discrim-codegen 0.1.2 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate discrim-codegen 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a184d14145a11ddb1ff57994a8858d1e221cad4fb1058568523a2655078cfdb
[INFO] running `Command { std: "docker" "start" "-a" "3a184d14145a11ddb1ff57994a8858d1e221cad4fb1058568523a2655078cfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a184d14145a11ddb1ff57994a8858d1e221cad4fb1058568523a2655078cfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a184d14145a11ddb1ff57994a8858d1e221cad4fb1058568523a2655078cfdb", kill_on_drop: false }`
[INFO] [stdout] 3a184d14145a11ddb1ff57994a8858d1e221cad4fb1058568523a2655078cfdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3dbf3bc187a8fac95435485f3a0588f68d72540d9a3f6bb1b0b5ee2dcf3a4ec
[INFO] running `Command { std: "docker" "start" "-a" "d3dbf3bc187a8fac95435485f3a0588f68d72540d9a3f6bb1b0b5ee2dcf3a4ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling discrim-codegen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "d3dbf3bc187a8fac95435485f3a0588f68d72540d9a3f6bb1b0b5ee2dcf3a4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3dbf3bc187a8fac95435485f3a0588f68d72540d9a3f6bb1b0b5ee2dcf3a4ec", kill_on_drop: false }`
[INFO] [stdout] d3dbf3bc187a8fac95435485f3a0588f68d72540d9a3f6bb1b0b5ee2dcf3a4ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 353a657297b7e7afd5bde592b61330bda525110fc52cf5b4fb7ef4acf6270673
[INFO] running `Command { std: "docker" "start" "-a" "353a657297b7e7afd5bde592b61330bda525110fc52cf5b4fb7ef4acf6270673", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling toml_writer v1.0.4
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling discrim-codegen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling trybuild v1.0.114
[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" "353a657297b7e7afd5bde592b61330bda525110fc52cf5b4fb7ef4acf6270673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "353a657297b7e7afd5bde592b61330bda525110fc52cf5b4fb7ef4acf6270673", kill_on_drop: false }`
[INFO] [stdout] 353a657297b7e7afd5bde592b61330bda525110fc52cf5b4fb7ef4acf6270673