[INFO] fetching crate retained-macro 0.4.0...
[INFO] testing retained-macro-0.4.0 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate retained-macro 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate retained-macro 0.4.0
[INFO] finished tweaking crates.io crate retained-macro 0.4.0
[INFO] tweaked toml for crates.io crate retained-macro 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate retained-macro 0.4.0 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fd3e7cf1f91a0d5ffbe4d49fe01da162bf397484ee16fb04e814015c8b02395
[INFO] running `Command { std: "docker" "start" "-a" "2fd3e7cf1f91a0d5ffbe4d49fe01da162bf397484ee16fb04e814015c8b02395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fd3e7cf1f91a0d5ffbe4d49fe01da162bf397484ee16fb04e814015c8b02395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd3e7cf1f91a0d5ffbe4d49fe01da162bf397484ee16fb04e814015c8b02395", kill_on_drop: false }`
[INFO] [stdout] 2fd3e7cf1f91a0d5ffbe4d49fe01da162bf397484ee16fb04e814015c8b02395
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d031b625e42d3344461d8835a84933b3ddf4df93edd2e53724a785bf30e8d0e
[INFO] running `Command { std: "docker" "start" "-a" "2d031b625e42d3344461d8835a84933b3ddf4df93edd2e53724a785bf30e8d0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling retained-macro v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StateProvided` is never constructed
[INFO] [stdout]   --> src/state.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct StateProvided {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "2d031b625e42d3344461d8835a84933b3ddf4df93edd2e53724a785bf30e8d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d031b625e42d3344461d8835a84933b3ddf4df93edd2e53724a785bf30e8d0e", kill_on_drop: false }`
[INFO] [stdout] 2d031b625e42d3344461d8835a84933b3ddf4df93edd2e53724a785bf30e8d0e
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdb871504372f170f6f2158c4ca4a4c8f334a263ae1973e55d09c43591be991d
[INFO] running `Command { std: "docker" "start" "-a" "fdb871504372f170f6f2158c4ca4a4c8f334a263ae1973e55d09c43591be991d", kill_on_drop: false }`
[INFO] [stderr]    Compiling retained-macro v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StateProvided` is never constructed
[INFO] [stdout]   --> src/state.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct StateProvided {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StateProvided` is never constructed
[INFO] [stdout]   --> src/state.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct StateProvided {
[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 0.89s
[INFO] running `Command { std: "docker" "inspect" "fdb871504372f170f6f2158c4ca4a4c8f334a263ae1973e55d09c43591be991d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb871504372f170f6f2158c4ca4a4c8f334a263ae1973e55d09c43591be991d", kill_on_drop: false }`
[INFO] [stdout] fdb871504372f170f6f2158c4ca4a4c8f334a263ae1973e55d09c43591be991d
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 701e7c1e9bd486354df918d136f7efe9392ce15665e1ab737b5bb4e7cc71a16f
[INFO] running `Command { std: "docker" "start" "-a" "701e7c1e9bd486354df918d136f7efe9392ce15665e1ab737b5bb4e7cc71a16f", kill_on_drop: false }`
[INFO] [stderr] warning: struct `StateProvided` is never constructed
[INFO] [stderr]   --> src/state.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct StateProvided {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `retained-macro` (lib) generated 1 warning
[INFO] [stderr] warning: `retained-macro` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/retained_macro-631eae6a9f983c0c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests retained_macro
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - retained (line 41) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - retained (line 32) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - retained (line 14) - compile fail ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - retained (line 41) stdout ----
[INFO] [stdout] error: cannot find attribute `retained` in this scope
[INFO] [stdout]   --> src/lib.rs:42:3
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[retained(State)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this attribute macro
[INFO] [stdout]    |
[INFO] [stdout] 41 + use retained_macro::retained;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `retained` in this scope
[INFO] [stdout]   --> src/lib.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 |     #[retained]
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this attribute macro
[INFO] [stdout]    |
[INFO] [stdout] 41 + use retained_macro::retained;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> src/lib.rs:45:39
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let ref retained_string: String = String::new("");
[INFO] [stdout]    |                                       ^^^^^^^^^^^ -- unexpected argument of type `&'static str`
[INFO] [stdout]    |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/string.rs:437:17
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let ref retained_string: String = String::new("");
[INFO] [stdout] 45 +     let ref retained_string: String = String::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - retained (line 41)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "701e7c1e9bd486354df918d136f7efe9392ce15665e1ab737b5bb4e7cc71a16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701e7c1e9bd486354df918d136f7efe9392ce15665e1ab737b5bb4e7cc71a16f", kill_on_drop: false }`
[INFO] [stdout] 701e7c1e9bd486354df918d136f7efe9392ce15665e1ab737b5bb4e7cc71a16f
