[INFO] fetching crate struct-box 0.1.0...
[INFO] testing struct-box-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate struct-box 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate struct-box 0.1.0
[INFO] finished tweaking crates.io crate struct-box 0.1.0
[INFO] tweaked toml for crates.io crate struct-box 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate struct-box 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 79 packages to latest compatible versions
[INFO] [stderr]       Adding strong-box v0.4.0 (available: v0.5.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 564b93649c63229178ae69d93f2c60173eca9ff374cbcba786586ccc536b9c17
[INFO] running `Command { std: "docker" "start" "-a" "564b93649c63229178ae69d93f2c60173eca9ff374cbcba786586ccc536b9c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "564b93649c63229178ae69d93f2c60173eca9ff374cbcba786586ccc536b9c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "564b93649c63229178ae69d93f2c60173eca9ff374cbcba786586ccc536b9c17", kill_on_drop: false }`
[INFO] [stdout] 564b93649c63229178ae69d93f2c60173eca9ff374cbcba786586ccc536b9c17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8478fffb249b2b79a6dd29713954603e6a967df0da834c654abfc17cf1c25600
[INFO] running `Command { std: "docker" "start" "-a" "8478fffb249b2b79a6dd29713954603e6a967df0da834c654abfc17cf1c25600", kill_on_drop: false }`
[INFO] [stderr]    Compiling struct-box v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "8478fffb249b2b79a6dd29713954603e6a967df0da834c654abfc17cf1c25600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8478fffb249b2b79a6dd29713954603e6a967df0da834c654abfc17cf1c25600", kill_on_drop: false }`
[INFO] [stdout] 8478fffb249b2b79a6dd29713954603e6a967df0da834c654abfc17cf1c25600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 692d8b20fcd9c1360336566d752b1f2215629ec38a6743d8fcc4df7809391a33
[INFO] running `Command { std: "docker" "start" "-a" "692d8b20fcd9c1360336566d752b1f2215629ec38a6743d8fcc4df7809391a33", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling thiserror-ext-derive v0.2.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling secrecy v0.8.0
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling struct-box v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror-ext v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling x25519-dalek v2.0.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling poly1305 v0.8.0
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling chacha20poly1305 v0.10.1
[INFO] [stderr]    Compiling strong-box v0.4.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.59s
[INFO] running `Command { std: "docker" "inspect" "692d8b20fcd9c1360336566d752b1f2215629ec38a6743d8fcc4df7809391a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692d8b20fcd9c1360336566d752b1f2215629ec38a6743d8fcc4df7809391a33", kill_on_drop: false }`
[INFO] [stdout] 692d8b20fcd9c1360336566d752b1f2215629ec38a6743d8fcc4df7809391a33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7b9ea324c9207b145374e549577c4e2ed5675f9d157cb5ff3d65338668a8540f
[INFO] running `Command { std: "docker" "start" "-a" "7b9ea324c9207b145374e549577c4e2ed5675f9d157cb5ff3d65338668a8540f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/struct_box-df53332c6207b095)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests struct_box
[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 src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b9ea324c9207b145374e549577c4e2ed5675f9d157cb5ff3d65338668a8540f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b9ea324c9207b145374e549577c4e2ed5675f9d157cb5ff3d65338668a8540f", kill_on_drop: false }`
[INFO] [stdout] 7b9ea324c9207b145374e549577c4e2ed5675f9d157cb5ff3d65338668a8540f