[INFO] fetching crate description 0.3.0...
[INFO] testing description-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate description 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate description 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate description 0.3.0
[INFO] tweaked toml for crates.io crate description 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate description 0.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate description 0.3.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const_format_proc_macros v0.2.33
[INFO] [stderr]   Downloaded description-macro v0.3.0
[INFO] [stderr]   Downloaded syn v2.0.86
[INFO] [stderr]   Downloaded const_format v0.2.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 060c988a5c3bea82d377d5150a515d641ee49d1a04afa27e7a53641d31f3ce04
[INFO] running `Command { std: "docker" "start" "-a" "060c988a5c3bea82d377d5150a515d641ee49d1a04afa27e7a53641d31f3ce04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "060c988a5c3bea82d377d5150a515d641ee49d1a04afa27e7a53641d31f3ce04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060c988a5c3bea82d377d5150a515d641ee49d1a04afa27e7a53641d31f3ce04", kill_on_drop: false }`
[INFO] [stdout] 060c988a5c3bea82d377d5150a515d641ee49d1a04afa27e7a53641d31f3ce04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8cd84c4c1aa0af21faa27bef868100b9f495d5d6f89ad61dfd71b48bbd9b8a2
[INFO] running `Command { std: "docker" "start" "-a" "b8cd84c4c1aa0af21faa27bef868100b9f495d5d6f89ad61dfd71b48bbd9b8a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.33
[INFO] [stderr]    Compiling const_format v0.2.33
[INFO] [stderr]    Compiling description-macro v0.3.0
[INFO] [stderr]    Compiling description v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `Command { std: "docker" "inspect" "b8cd84c4c1aa0af21faa27bef868100b9f495d5d6f89ad61dfd71b48bbd9b8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8cd84c4c1aa0af21faa27bef868100b9f495d5d6f89ad61dfd71b48bbd9b8a2", kill_on_drop: false }`
[INFO] [stdout] b8cd84c4c1aa0af21faa27bef868100b9f495d5d6f89ad61dfd71b48bbd9b8a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a3d8412fac79c1c4195a03fa99a28a985219ae30aa4c74c39ad6e285de116da
[INFO] running `Command { std: "docker" "start" "-a" "1a3d8412fac79c1c4195a03fa99a28a985219ae30aa4c74c39ad6e285de116da", kill_on_drop: false }`
[INFO] [stderr]    Compiling description v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `DontShowConstant` is never constructed
[INFO] [stdout]   --> examples/format.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum SomeStatusEnum {
[INFO] [stdout]    |      -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     DontShowConstant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Disconnected` is never constructed
[INFO] [stdout]  --> examples/enum.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum ChargerStatus {
[INFO] [stdout]   |      ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Disconnected,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `FullyCharged` and `Overheating` are never constructed
[INFO] [stdout]   --> examples/enum.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum BatteryStatus {
[INFO] [stdout]    |      ------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     FullyCharged,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Overheating,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "1a3d8412fac79c1c4195a03fa99a28a985219ae30aa4c74c39ad6e285de116da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a3d8412fac79c1c4195a03fa99a28a985219ae30aa4c74c39ad6e285de116da", kill_on_drop: false }`
[INFO] [stdout] 1a3d8412fac79c1c4195a03fa99a28a985219ae30aa4c74c39ad6e285de116da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8c0226fe10fa56bb616970d72f7792107851eeb111cbfd840f2b46f7fb6244a
[INFO] running `Command { std: "docker" "start" "-a" "b8c0226fe10fa56bb616970d72f7792107851eeb111cbfd840f2b46f7fb6244a", kill_on_drop: false }`
[INFO] [stderr] warning: variant `DontShowConstant` is never constructed
[INFO] [stderr]   --> examples/format.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr]  6 | enum SomeStatusEnum {
[INFO] [stderr]    |      -------------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 11 |     DontShowConstant,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Disconnected` is never constructed
[INFO] [stderr]  --> examples/enum.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum ChargerStatus {
[INFO] [stderr]   |      ------------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 9 |     Disconnected,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `FullyCharged` and `Overheating` are never constructed
[INFO] [stderr]   --> examples/enum.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | enum BatteryStatus {
[INFO] [stderr]    |      ------------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 21 |     FullyCharged,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     Overheating,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `description` (example "format") generated 1 warning
[INFO] [stderr] warning: `description` (example "enum") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/description-d2abce51a33a72ec)
[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 description
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - OptionalDescription (line 39) ... FAILED
[INFO] [stdout] test src/lib.rs - Description (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - OptionalDescription (line 39) stdout ----
[INFO] [stdout] error: cannot find derive macro `OptionalDescription` in this scope
[INFO] [stdout]   --> src/lib.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[derive(OptionalDescription)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these derive macros
[INFO] [stdout]    |
[INFO] [stdout] 39 + use description::OptionalDescription;
[INFO] [stdout]    |
[INFO] [stdout] 39 + use description_macro::OptionalDescription;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `description` in this scope
[INFO] [stdout]   --> src/lib.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |     #[description("Low battery!")]
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `description` is imported here, but it is a crate, not an attribute
[INFO] [stdout]   --> src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | extern crate r#description;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: `description` is an attribute that can be used by the derive macros `Description` and `OptionalDescription`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 42 + #[derive(Description, OptionalDescription)]
[INFO] [stdout] 43 | enum BatteryStatus {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `description` in this scope
[INFO] [stdout]   --> src/lib.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[description("Fully charged! Please remove the charger.")]
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `description` is imported here, but it is a crate, not an attribute
[INFO] [stdout]   --> src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | extern crate r#description;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: `description` is an attribute that can be used by the derive macros `Description` and `OptionalDescription`, you might be missing a `derive` attribute
[INFO] [stdout]    |
[INFO] [stdout] 42 + #[derive(Description, OptionalDescription)]
[INFO] [stdout] 43 | enum BatteryStatus {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `description` found for enum `BatteryStatus` in the current scope
[INFO] [stdout]   --> src/lib.rs:57:41
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum BatteryStatus {
[INFO] [stdout]    | ------------------ method `description` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 57 |     if let Some(description) = battery1.description() {
[INFO] [stdout]    |                                         ^^^^^^^^^^^ method not found in `BatteryStatus`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following traits define an item `description`, perhaps you need to implement one of them:
[INFO] [stdout]            candidate #1: `Description`
[INFO] [stdout]            candidate #2: `OptionalDescription`
[INFO] [stdout]            candidate #3: `std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `description` found for enum `BatteryStatus` in the current scope
[INFO] [stdout]   --> src/lib.rs:61:41
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum BatteryStatus {
[INFO] [stdout]    | ------------------ method `description` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 61 |     if let Some(description) = battery2.description() {
[INFO] [stdout]    |                                         ^^^^^^^^^^^ method not found in `BatteryStatus`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following traits define an item `description`, perhaps you need to implement one of them:
[INFO] [stdout]            candidate #1: `Description`
[INFO] [stdout]            candidate #2: `OptionalDescription`
[INFO] [stdout]            candidate #3: `std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - OptionalDescription (line 39)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b8c0226fe10fa56bb616970d72f7792107851eeb111cbfd840f2b46f7fb6244a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c0226fe10fa56bb616970d72f7792107851eeb111cbfd840f2b46f7fb6244a", kill_on_drop: false }`
[INFO] [stdout] b8c0226fe10fa56bb616970d72f7792107851eeb111cbfd840f2b46f7fb6244a
