[INFO] fetching crate serde_either 0.2.1... [INFO] testing serde_either-0.2.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate serde_either 0.2.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate serde_either 0.2.1 [INFO] finished tweaking crates.io crate serde_either 0.2.1 [INFO] tweaked toml for crates.io crate serde_either 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate serde_either 0.2.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 18 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85cc908b8ccd52b4ddf45eaa86b1174ae5b8d2608aa2e2aa3f6f7218e84d6bdf [INFO] running `Command { std: "docker" "start" "-a" "85cc908b8ccd52b4ddf45eaa86b1174ae5b8d2608aa2e2aa3f6f7218e84d6bdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85cc908b8ccd52b4ddf45eaa86b1174ae5b8d2608aa2e2aa3f6f7218e84d6bdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85cc908b8ccd52b4ddf45eaa86b1174ae5b8d2608aa2e2aa3f6f7218e84d6bdf", kill_on_drop: false }` [INFO] [stdout] 85cc908b8ccd52b4ddf45eaa86b1174ae5b8d2608aa2e2aa3f6f7218e84d6bdf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59042ca00ac523b65661b4e5de78a95c552071f7c2b3d2b76fd68a742952b2dd [INFO] running `Command { std: "docker" "start" "-a" "59042ca00ac523b65661b4e5de78a95c552071f7c2b3d2b76fd68a742952b2dd", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling ordered-float v2.10.1 [INFO] [stderr] Compiling serde-value v0.7.0 [INFO] [stderr] Compiling serde_either v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/de.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | fn unexpected(value: &Value) -> Unexpected { [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 8 | fn unexpected(value: &Value) -> Unexpected<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.12s [INFO] running `Command { std: "docker" "inspect" "59042ca00ac523b65661b4e5de78a95c552071f7c2b3d2b76fd68a742952b2dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59042ca00ac523b65661b4e5de78a95c552071f7c2b3d2b76fd68a742952b2dd", kill_on_drop: false }` [INFO] [stdout] 59042ca00ac523b65661b4e5de78a95c552071f7c2b3d2b76fd68a742952b2dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d439f5cd5d8ee496abe7b39136c3ada87e0c2a5057134e7d2286ec3a3c6025b1 [INFO] running `Command { std: "docker" "start" "-a" "d439f5cd5d8ee496abe7b39136c3ada87e0c2a5057134e7d2286ec3a3c6025b1", kill_on_drop: false }` [INFO] [stderr] Compiling eyre v0.6.12 [INFO] [stderr] Compiling indenter v0.3.4 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/de.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | fn unexpected(value: &Value) -> Unexpected { [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 8 | fn unexpected(value: &Value) -> Unexpected<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_either v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/de.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | fn unexpected(value: &Value) -> Unexpected { [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 8 | fn unexpected(value: &Value) -> Unexpected<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type [INFO] [stdout] --> tests/common/mod.rs:52:45 [INFO] [stdout] | [INFO] [stdout] 52 | last_name: parts.last().unwrap().deref().into(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyType` is never constructed [INFO] [stdout] --> tests/common/mod.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct MyType { [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 `Person` is never constructed [INFO] [stdout] --> tests/common/mod.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PersonFromStrError` is never constructed [INFO] [stdout] --> tests/common/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct PersonFromStrError { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type [INFO] [stdout] --> tests/common/mod.rs:52:45 [INFO] [stdout] | [INFO] [stdout] 52 | last_name: parts.last().unwrap().deref().into(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.89s [INFO] running `Command { std: "docker" "inspect" "d439f5cd5d8ee496abe7b39136c3ada87e0c2a5057134e7d2286ec3a3c6025b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d439f5cd5d8ee496abe7b39136c3ada87e0c2a5057134e7d2286ec3a3c6025b1", kill_on_drop: false }` [INFO] [stdout] d439f5cd5d8ee496abe7b39136c3ada87e0c2a5057134e7d2286ec3a3c6025b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 226f2561413b26aa4331691838c843f21aa4ca80e1267996ffc93a811befd476 [INFO] running `Command { std: "docker" "start" "-a" "226f2561413b26aa4331691838c843f21aa4ca80e1267996ffc93a811befd476", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/de.rs:8:22 [INFO] [stderr] | [INFO] [stderr] 8 | fn unexpected(value: &Value) -> Unexpected { [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 8 | fn unexpected(value: &Value) -> Unexpected<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `serde_either` (lib) generated 1 warning (run `cargo fix --lib -p serde_either` to apply 1 suggestion) [INFO] [stderr] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type [INFO] [stderr] --> tests/common/mod.rs:52:45 [INFO] [stderr] | [INFO] [stderr] 52 | last_name: parts.last().unwrap().deref().into(), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct `MyType` is never constructed [INFO] [stderr] --> tests/common/mod.rs:13:12 [INFO] [stderr] | [INFO] [stderr] 13 | pub struct MyType { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Person` is never constructed [INFO] [stderr] --> tests/common/mod.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 20 | pub struct Person { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `PersonFromStrError` is never constructed [INFO] [stderr] --> tests/common/mod.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 26 | pub struct PersonFromStrError { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `serde_either` (test "de") generated 1 warning [INFO] [stderr] warning: `serde_either` (test "se") generated 4 warnings (1 duplicate) [INFO] [stderr] warning: `serde_either` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_either-475e11199e5520fe) [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] Running tests/de.rs (/opt/rustwide/target/debug/deps/de-bbd2406e8bb8b01a) [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test single_or_vec::single ... ok [INFO] [stdout] test string_or_struct::errors::on_number ... ok [INFO] [stdout] test string_or_struct::string_value ... ok [INFO] [stdout] test string_or_struct::errors::on_vec_when_struct_is_not_defined_as_vec ... ok [INFO] [stdout] test string_or_struct::struct_value ... ok [INFO] [stdout] test string_or_struct::vec_of_structs ... ok [INFO] [stdout] test string_or_struct_or_vec::string_value ... ok [INFO] [stdout] test string_or_struct_or_vec::struct_value ... ok [INFO] [stdout] test string_or_struct_or_vec::vec_value ... ok [INFO] [stdout] test string_or_struct_or_vec::errors::on_number ... ok [INFO] [stdout] test string_or_struct::vec_of_u8s ... ok [INFO] [stdout] test single_or_vec::vec ... ok [INFO] [stdout] test string_or_struct::vec_of_u8s_containing_string ... ok [INFO] [stdout] test string_or_struct_or_vec::errors::on_boolean ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Running tests/se.rs (/opt/rustwide/target/debug/deps/se-5a50ab8e3ebd2062) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stderr] Doc-tests serde_either [INFO] [stdout] test string_or_struct::serialize::struct_as_vec_value ... ok [INFO] [stdout] test string_or_struct::serialize::struct_value ... ok [INFO] [stdout] test string_or_struct_or_vec::serialize::string_value ... ok [INFO] [stdout] test string_or_struct_or_vec::serialize::struct_value ... ok [INFO] [stdout] test string_or_struct::serialize::string_value ... ok [INFO] [stdout] test single_or_vec::vec_value ... ok [INFO] [stdout] test string_or_struct_or_vec::serialize::vec_value ... ok [INFO] [stdout] test single_or_vec::single_value ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 7) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "226f2561413b26aa4331691838c843f21aa4ca80e1267996ffc93a811befd476", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "226f2561413b26aa4331691838c843f21aa4ca80e1267996ffc93a811befd476", kill_on_drop: false }` [INFO] [stdout] 226f2561413b26aa4331691838c843f21aa4ca80e1267996ffc93a811befd476