[INFO] fetching crate description 0.3.0... [INFO] testing description-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate description 0.3.0 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate description 0.3.0 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] 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 96e039463d82bc86ffba0302bbb312e2cda633ab656dcb8422e2ebebfda28d6c [INFO] running `Command { std: "docker" "start" "-a" "96e039463d82bc86ffba0302bbb312e2cda633ab656dcb8422e2ebebfda28d6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96e039463d82bc86ffba0302bbb312e2cda633ab656dcb8422e2ebebfda28d6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96e039463d82bc86ffba0302bbb312e2cda633ab656dcb8422e2ebebfda28d6c", kill_on_drop: false }` [INFO] [stdout] 96e039463d82bc86ffba0302bbb312e2cda633ab656dcb8422e2ebebfda28d6c [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d355af9a6a7772979c767643012e7a3c14f8b715aff68f8c4db35908cac8d99 [INFO] running `Command { std: "docker" "start" "-a" "2d355af9a6a7772979c767643012e7a3c14f8b715aff68f8c4db35908cac8d99", 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 5.12s [INFO] running `Command { std: "docker" "inspect" "2d355af9a6a7772979c767643012e7a3c14f8b715aff68f8c4db35908cac8d99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d355af9a6a7772979c767643012e7a3c14f8b715aff68f8c4db35908cac8d99", kill_on_drop: false }` [INFO] [stdout] 2d355af9a6a7772979c767643012e7a3c14f8b715aff68f8c4db35908cac8d99 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f49c2b532502b7b4c9921f9141c213d0312dddd834a321887f0b21a87c1a6cff [INFO] running `Command { std: "docker" "start" "-a" "f49c2b532502b7b4c9921f9141c213d0312dddd834a321887f0b21a87c1a6cff", kill_on_drop: false }` [INFO] [stderr] Compiling description v0.3.0 (/opt/rustwide/workdir) [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] [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "f49c2b532502b7b4c9921f9141c213d0312dddd834a321887f0b21a87c1a6cff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f49c2b532502b7b4c9921f9141c213d0312dddd834a321887f0b21a87c1a6cff", kill_on_drop: false }` [INFO] [stdout] f49c2b532502b7b4c9921f9141c213d0312dddd834a321887f0b21a87c1a6cff [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e3db086f77b8e96a369a3b20ba3368baa3a7da0643c2c80b477cafdcc3c4657d [INFO] running `Command { std: "docker" "start" "-a" "e3db086f77b8e96a369a3b20ba3368baa3a7da0643c2c80b477cafdcc3c4657d", 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 0.07s [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 0.25s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "e3db086f77b8e96a369a3b20ba3368baa3a7da0643c2c80b477cafdcc3c4657d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3db086f77b8e96a369a3b20ba3368baa3a7da0643c2c80b477cafdcc3c4657d", kill_on_drop: false }` [INFO] [stdout] e3db086f77b8e96a369a3b20ba3368baa3a7da0643c2c80b477cafdcc3c4657d