[INFO] fetching crate duckity 1.0.3...
[INFO] testing duckity-1.0.3 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate duckity 1.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate duckity 1.0.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate duckity 1.0.3
[INFO] tweaked toml for crates.io crate duckity 1.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate duckity 1.0.3 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate duckity 1.0.3 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" "+beta-2026-03-05" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cff297aff038f15e284c0990e53236340d37940233c421f67090be66454d255a
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[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f5a1e8af4fd8d6cfa08d30663a3a1929386cd41b0e27a92d3bd8768312a1188
[INFO] running `Command { std: "docker" "start" "-a" "4f5a1e8af4fd8d6cfa08d30663a3a1929386cd41b0e27a92d3bd8768312a1188", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
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[INFO] [stderr]    Compiling tokio-util v0.7.17
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[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.24
[INFO] [stderr]    Compiling duckity v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.24s
[INFO] running `Command { std: "docker" "inspect" "4f5a1e8af4fd8d6cfa08d30663a3a1929386cd41b0e27a92d3bd8768312a1188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5a1e8af4fd8d6cfa08d30663a3a1929386cd41b0e27a92d3bd8768312a1188", kill_on_drop: false }`
[INFO] [stdout] 4f5a1e8af4fd8d6cfa08d30663a3a1929386cd41b0e27a92d3bd8768312a1188
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa354d42d9b8e8e6966ce9167700599e806617223e89f556d091c60ac7dd6ce4
[INFO] running `Command { std: "docker" "start" "-a" "fa354d42d9b8e8e6966ce9167700599e806617223e89f556d091c60ac7dd6ce4", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling tokio-util v0.7.17
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[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
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[INFO] [stderr]    Compiling hyper v1.8.1
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[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.24
[INFO] [stderr]    Compiling duckity v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.88s
[INFO] running `Command { std: "docker" "inspect" "fa354d42d9b8e8e6966ce9167700599e806617223e89f556d091c60ac7dd6ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa354d42d9b8e8e6966ce9167700599e806617223e89f556d091c60ac7dd6ce4", kill_on_drop: false }`
[INFO] [stdout] fa354d42d9b8e8e6966ce9167700599e806617223e89f556d091c60ac7dd6ce4
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c3af56d37a088b04674b4558a7d5ca64ba50ed88add6003ab9985649d34e97b
[INFO] running `Command { std: "docker" "start" "-a" "8c3af56d37a088b04674b4558a7d5ca64ba50ed88add6003ab9985649d34e97b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/duckity-e67a6d4b6f0d9efd)
[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 duckity
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/../README.md - (line 97) ... FAILED
[INFO] [stdout] test src/../README.md - (line 66) ... FAILED
[INFO] [stdout] test src/../README.md - (line 31) ... FAILED
[INFO] [stdout] test src/../README.md - (line 107) ... FAILED
[INFO] [stdout] test src/../README.md - (line 51) ... FAILED
[INFO] [stdout] test src/../README.md - (line 39) ... FAILED
[INFO] [stdout] test src/../README.md - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 97) stdout ----
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]   --> src/../README.md:98:1
[INFO] [stdout]    |
[INFO] [stdout] 98 | let client_ip: IpAddr;
[INFO] [stdout]    | ^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | `let` cannot be used for global variables
[INFO] [stdout]    | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]    |
[INFO] [stdout]    = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 66) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `client` in this scope
[INFO] [stdout]   --> src/../README.md:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 | let challenge = client.get_challenge(DUCKITY_APP_ID, DUCKITY_PROFILE_CODE).await?;
[INFO] [stdout]    |                 ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `DUCKITY_APP_ID` in this scope
[INFO] [stdout]   --> src/../README.md:67:38
[INFO] [stdout]    |
[INFO] [stdout] 67 | let challenge = client.get_challenge(DUCKITY_APP_ID, DUCKITY_PROFILE_CODE).await?;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `DUCKITY_PROFILE_CODE` in this scope
[INFO] [stdout]   --> src/../README.md:67:54
[INFO] [stdout]    |
[INFO] [stdout] 67 | let challenge = client.get_challenge(DUCKITY_APP_ID, DUCKITY_PROFILE_CODE).await?;
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/../README.md:67:76
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_66_0() {
[INFO] [stdout]    |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] 67 | let challenge = client.get_challenge(DUCKITY_APP_ID, DUCKITY_PROFILE_CODE).await?;
[INFO] [stdout]    |                                                                            ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/../README.md:71:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_66_0() {
[INFO] [stdout]    |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 71 | }).await.unwrap();
[INFO] [stdout]    |    ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 31) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `DuckityClient` in this scope
[INFO] [stdout]   --> src/../README.md:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 | let client = DuckityClient::new();
[INFO] [stdout]    |              ^^^^^^^^^^^^^ use of undeclared type `DuckityClient`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 107) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `app_id` in this scope
[INFO] [stdout]    --> src/../README.md:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     app_id,
[INFO] [stdout]     |     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `app_secret` in this scope
[INFO] [stdout]    --> src/../README.md:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     app_secret,
[INFO] [stdout]     |     ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `profile_code` in this scope
[INFO] [stdout]    --> src/../README.md:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     profile_code,
[INFO] [stdout]     |     ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `solution_token` in this scope
[INFO] [stdout]    --> src/../README.md:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     solution_token,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `client_ip` in this scope
[INFO] [stdout]    --> src/../README.md:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     client_ip,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a local variable with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 115 -     client_ip,
[INFO] [stdout] 115 +     client,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]    --> src/../README.md:116:3
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_107_0() {
[INFO] [stdout]     |                                      ----------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 116 | ).await;
[INFO] [stdout]     |   ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `DuckityClient` in this scope
[INFO] [stdout]    --> src/../README.md:108:14
[INFO] [stdout]     |
[INFO] [stdout] 108 | let client = DuckityClient::new();
[INFO] [stdout]     |              ^^^^^^^^^^^^^ use of undeclared type `DuckityClient`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 51) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/../README.md:58:76
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_51_0() {
[INFO] [stdout]    |                                      ---------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 58 | let challenge = client.get_challenge(DUCKITY_APP_ID, DUCKITY_PROFILE_CODE).await?;
[INFO] [stdout]    |                                                                            ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `DuckityClient` in this scope
[INFO] [stdout]   --> src/../README.md:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 | let client = DuckityClient::new();
[INFO] [stdout]    |              ^^^^^^^^^^^^^ use of undeclared type `DuckityClient`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 39) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `DuckityClient` in this scope
[INFO] [stdout]   --> src/../README.md:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 | let client = DuckityClient::with_domain("quack.example.com");
[INFO] [stdout]    |              ^^^^^^^^^^^^^ use of undeclared type `DuckityClient`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 107)
[INFO] [stdout]     src/../README.md - (line 31)
[INFO] [stdout]     src/../README.md - (line 39)
[INFO] [stdout]     src/../README.md - (line 51)
[INFO] [stdout]     src/../README.md - (line 66)
[INFO] [stdout]     src/../README.md - (line 97)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.78s; merged doctests compilation took 0.25s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8c3af56d37a088b04674b4558a7d5ca64ba50ed88add6003ab9985649d34e97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3af56d37a088b04674b4558a7d5ca64ba50ed88add6003ab9985649d34e97b", kill_on_drop: false }`
[INFO] [stdout] 8c3af56d37a088b04674b4558a7d5ca64ba50ed88add6003ab9985649d34e97b
