[INFO] fetching crate try-from-map 0.2.1...
[INFO] testing try-from-map-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate try-from-map 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate try-from-map 0.2.1
[INFO] finished tweaking crates.io crate try-from-map 0.2.1
[INFO] tweaked toml for crates.io crate try-from-map 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate try-from-map 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 11 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca7ca08fc996e14c6051c02170494fa3bc7a57704483ffc4eed3ef4458a4a3c2
[INFO] running `Command { std: "docker" "start" "-a" "ca7ca08fc996e14c6051c02170494fa3bc7a57704483ffc4eed3ef4458a4a3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca7ca08fc996e14c6051c02170494fa3bc7a57704483ffc4eed3ef4458a4a3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7ca08fc996e14c6051c02170494fa3bc7a57704483ffc4eed3ef4458a4a3c2", kill_on_drop: false }`
[INFO] [stdout] ca7ca08fc996e14c6051c02170494fa3bc7a57704483ffc4eed3ef4458a4a3c2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03eb61c69e20451f000c0da2392fb977524a155a9a65dc0aa661a895dcebf02b
[INFO] running `Command { std: "docker" "start" "-a" "03eb61c69e20451f000c0da2392fb977524a155a9a65dc0aa661a895dcebf02b", kill_on_drop: false }`
[INFO] [stderr]    Compiling try-from-map v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "03eb61c69e20451f000c0da2392fb977524a155a9a65dc0aa661a895dcebf02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03eb61c69e20451f000c0da2392fb977524a155a9a65dc0aa661a895dcebf02b", kill_on_drop: false }`
[INFO] [stdout] 03eb61c69e20451f000c0da2392fb977524a155a9a65dc0aa661a895dcebf02b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77fa77b34b211f221cef9b065e6eb146335b427921cec7387f7d41fc93ffbc06
[INFO] running `Command { std: "docker" "start" "-a" "77fa77b34b211f221cef9b065e6eb146335b427921cec7387f7d41fc93ffbc06", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling try-from-map v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> tests/01-parse.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Foo {
[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 9.50s
[INFO] running `Command { std: "docker" "inspect" "77fa77b34b211f221cef9b065e6eb146335b427921cec7387f7d41fc93ffbc06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77fa77b34b211f221cef9b065e6eb146335b427921cec7387f7d41fc93ffbc06", kill_on_drop: false }`
[INFO] [stdout] 77fa77b34b211f221cef9b065e6eb146335b427921cec7387f7d41fc93ffbc06
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd569713f134810301f140498ad9fad8a5e4c692508feea25b562ba107fcec0a
[INFO] running `Command { std: "docker" "start" "-a" "cd569713f134810301f140498ad9fad8a5e4c692508feea25b562ba107fcec0a", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Foo` is never constructed
[INFO] [stderr]  --> tests/01-parse.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Foo {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `try-from-map` (test "01-parse") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/try_from_map-11cd08e8e743bad9)
[INFO] [stderr]      Running tests/01-parse.rs (/opt/rustwide/target/debug/deps/01_parse-8d7482b0c3998a52)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/02-has_method.rs (/opt/rustwide/target/debug/deps/02_has_method-c8a4e49babcb9612)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test has_method ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/03-strings_only.rs (/opt/rustwide/target/debug/deps/03_strings_only-0d8e80d9129288a0)
[INFO] [stderr]      Running tests/04-all_fields.rs (/opt/rustwide/target/debug/deps/04_all_fields-daa88e3e9ddf24ef)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/05-optional_fields.rs (/opt/rustwide/target/debug/deps/05_optional_fields-b3cb33eb6dd2bced)
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/06-serde_json.rs (/opt/rustwide/target/debug/deps/06_serde_json-128095caaadac295)
[INFO] [stdout] test strings_only ... ok
[INFO] [stderr]    Doc-tests try_from_map
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 all_fields ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 optional_fields ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 serde_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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 - derive_try_from_map (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cd569713f134810301f140498ad9fad8a5e4c692508feea25b562ba107fcec0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd569713f134810301f140498ad9fad8a5e4c692508feea25b562ba107fcec0a", kill_on_drop: false }`
[INFO] [stdout] cd569713f134810301f140498ad9fad8a5e4c692508feea25b562ba107fcec0a