[INFO] fetching crate serde-json-helpers 0.1.2... [INFO] testing serde-json-helpers-0.1.2 against beta-2025-04-13 for beta-1.87-1 [INFO] extracting crate serde-json-helpers 0.1.2 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate serde-json-helpers 0.1.2 on toolchain beta-2025-04-13 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde-json-helpers 0.1.2 [INFO] finished tweaking crates.io crate serde-json-helpers 0.1.2 [INFO] tweaked toml for crates.io crate serde-json-helpers 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 14 packages to latest compatible versions [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.94) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.40) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.100) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a9e92fee6375659d8e57fe1ed02dd0142ca1f18acc3f93b7e55a6288eddf452c [INFO] running `Command { std: "docker" "start" "-a" "a9e92fee6375659d8e57fe1ed02dd0142ca1f18acc3f93b7e55a6288eddf452c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9e92fee6375659d8e57fe1ed02dd0142ca1f18acc3f93b7e55a6288eddf452c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9e92fee6375659d8e57fe1ed02dd0142ca1f18acc3f93b7e55a6288eddf452c", kill_on_drop: false }` [INFO] [stdout] a9e92fee6375659d8e57fe1ed02dd0142ca1f18acc3f93b7e55a6288eddf452c [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3187a64c1e52ef1e41ccc3079c335a3b3bfd801ad1117797f79fba05cbe4d095 [INFO] running `Command { std: "docker" "start" "-a" "3187a64c1e52ef1e41ccc3079c335a3b3bfd801ad1117797f79fba05cbe4d095", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling serde-json-helpers v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `str::::to_ascii_uppercase` that must be used [INFO] [stdout] --> src/string_transform.rs:99:21 [INFO] [stdout] | [INFO] [stdout] 99 | s.to_ascii_uppercase(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: to uppercase the value in-place, use `make_ascii_uppercase()` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 99 | let _ = s.to_ascii_uppercase(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `str::::to_ascii_lowercase` that must be used [INFO] [stdout] --> src/string_transform.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | s.to_ascii_lowercase(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: to lowercase the value in-place, use `make_ascii_lowercase()` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 115 | let _ = s.to_ascii_lowercase(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.42s [INFO] running `Command { std: "docker" "inspect" "3187a64c1e52ef1e41ccc3079c335a3b3bfd801ad1117797f79fba05cbe4d095", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3187a64c1e52ef1e41ccc3079c335a3b3bfd801ad1117797f79fba05cbe4d095", kill_on_drop: false }` [INFO] [stdout] 3187a64c1e52ef1e41ccc3079c335a3b3bfd801ad1117797f79fba05cbe4d095 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8eb7120819d2849000ad71ec891a0936bd36f9ce0efec83cb3820161e459851a [INFO] running `Command { std: "docker" "start" "-a" "8eb7120819d2849000ad71ec891a0936bd36f9ce0efec83cb3820161e459851a", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling serde-json-helpers v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `str::::to_ascii_uppercase` that must be used [INFO] [stdout] --> src/string_transform.rs:99:21 [INFO] [stdout] | [INFO] [stdout] 99 | s.to_ascii_uppercase(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: to uppercase the value in-place, use `make_ascii_uppercase()` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 99 | let _ = s.to_ascii_uppercase(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `str::::to_ascii_lowercase` that must be used [INFO] [stdout] --> src/string_transform.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | s.to_ascii_lowercase(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: to lowercase the value in-place, use `make_ascii_lowercase()` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 115 | let _ = s.to_ascii_lowercase(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `str::::to_ascii_uppercase` that must be used [INFO] [stdout] --> src/string_transform.rs:99:21 [INFO] [stdout] | [INFO] [stdout] 99 | s.to_ascii_uppercase(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: to uppercase the value in-place, use `make_ascii_uppercase()` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 99 | let _ = s.to_ascii_uppercase(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `str::::to_ascii_lowercase` that must be used [INFO] [stdout] --> src/string_transform.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | s.to_ascii_lowercase(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: to lowercase the value in-place, use `make_ascii_lowercase()` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 115 | let _ = s.to_ascii_lowercase(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 10.55s [INFO] running `Command { std: "docker" "inspect" "8eb7120819d2849000ad71ec891a0936bd36f9ce0efec83cb3820161e459851a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8eb7120819d2849000ad71ec891a0936bd36f9ce0efec83cb3820161e459851a", kill_on_drop: false }` [INFO] [stdout] 8eb7120819d2849000ad71ec891a0936bd36f9ce0efec83cb3820161e459851a [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3059b6890ed585ddf0bfb554c2d074210c7caf6463fca3b83fb5c5a79cd16a52 [INFO] running `Command { std: "docker" "start" "-a" "3059b6890ed585ddf0bfb554c2d074210c7caf6463fca3b83fb5c5a79cd16a52", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `str::::to_ascii_uppercase` that must be used [INFO] [stderr] --> src/string_transform.rs:99:21 [INFO] [stderr] | [INFO] [stderr] 99 | s.to_ascii_uppercase(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: to uppercase the value in-place, use `make_ascii_uppercase()` [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 99 | let _ = s.to_ascii_uppercase(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `str::::to_ascii_lowercase` that must be used [INFO] [stderr] --> src/string_transform.rs:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | s.to_ascii_lowercase(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: to lowercase the value in-place, use `make_ascii_lowercase()` [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 115 | let _ = s.to_ascii_lowercase(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `serde-json-helpers` (lib) generated 2 warnings [INFO] [stderr] warning: `serde-json-helpers` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_json_helpers-d4e1e690df2d1afe) [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/deserialize.rs (/opt/rustwide/target/debug/deps/deserialize-3bbfecfb1632c916) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test can_deserialize_lowercase ... ok [INFO] [stdout] test can_deserialize_prepended_without_transform ... ok [INFO] [stdout] test can_deserialize_uppercase ... ok [INFO] [stdout] test can_deserialize_without_transform ... ok [INFO] [stdout] test can_serialize_kebab_case ... ok [INFO] [stdout] test can_serialize_prepended_snake_case ... ok [INFO] [stdout] test can_serialize_screaming_kebab_case ... ok [INFO] [stdout] test can_serialize_screaming_snake_case ... ok [INFO] [stdout] test can_serialize_snake_case ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/serialize.rs (/opt/rustwide/target/debug/deps/serialize-b3ea21bc809a167d) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test can_serialize_kebab_case ... ok [INFO] [stdout] test can_serialize_prepended_snake_case ... ok [INFO] [stdout] test can_serialize_prepended_without_transform ... ok [INFO] [stdout] test can_serialize_screaming_kebab_case ... ok [INFO] [stdout] test can_serialize_lowercase ... ok [INFO] [stdout] test can_serialize_screaming_snake_case ... ok [INFO] [stdout] test can_serialize_snake_case ... ok [INFO] [stdout] test can_serialize_uppercase ... ok [INFO] [stdout] test can_serialize_without_transform ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/util.rs (/opt/rustwide/target/debug/deps/util-d40bf5d82f8e53bb) [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 serde_json_helpers [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 13) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3059b6890ed585ddf0bfb554c2d074210c7caf6463fca3b83fb5c5a79cd16a52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3059b6890ed585ddf0bfb554c2d074210c7caf6463fca3b83fb5c5a79cd16a52", kill_on_drop: false }` [INFO] [stdout] 3059b6890ed585ddf0bfb554c2d074210c7caf6463fca3b83fb5c5a79cd16a52