[INFO] fetching crate libpylon 0.17.0...
[INFO] testing libpylon-0.17.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate libpylon 0.17.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate libpylon 0.17.0
[INFO] finished tweaking crates.io crate libpylon 0.17.0
[INFO] tweaked toml for crates.io crate libpylon 0.17.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libpylon 0.17.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 271 packages to latest compatible versions
[INFO] [stderr]       Adding derive_builder v0.12.0 (available: v0.20.2)
[INFO] [stderr]       Adding magic-wormhole v0.6.1 (available: v0.7.6)
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-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] aee0995db854ac59887358543be7f62f6b9a9ba5cb79c63b9f9050b0f8f73b7d
[INFO] running `Command { std: "docker" "start" "-a" "aee0995db854ac59887358543be7f62f6b9a9ba5cb79c63b9f9050b0f8f73b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aee0995db854ac59887358543be7f62f6b9a9ba5cb79c63b9f9050b0f8f73b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee0995db854ac59887358543be7f62f6b9a9ba5cb79c63b9f9050b0f8f73b7d", kill_on_drop: false }`
[INFO] [stdout] aee0995db854ac59887358543be7f62f6b9a9ba5cb79c63b9f9050b0f8f73b7d
[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] d916aabfb6003941350ec1921fc9c8ba700c14fb09f9ef36fd2c16b67cfde109
[INFO] running `Command { std: "docker" "start" "-a" "d916aabfb6003941350ec1921fc9c8ba700c14fb09f9ef36fd2c16b67cfde109", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling serde v1.0.228
[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 cipher v0.4.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling webpki v0.22.4
[INFO] [stderr]    Compiling trackable v1.3.0
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling poly1305 v0.8.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling webpki-roots v0.22.6
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling futures_ringbuf v0.4.0
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling tungstenite v0.20.1
[INFO] [stderr]    Compiling noise-protocol v0.2.0
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling chacha20poly1305 v0.10.1
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling bytecodec v0.4.15
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling async-tls v0.12.0
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling x25519-dalek v2.0.1
[INFO] [stderr]    Compiling salsa20 v0.10.2
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling ringbuf v0.3.3
[INFO] [stderr]    Compiling xattr v0.2.3
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling async-process v1.8.1
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]    Compiling stun_codec v0.3.5
[INFO] [stderr]    Compiling crypto_secretbox v0.1.1
[INFO] [stderr]    Compiling noise-rust-crypto v0.6.2
[INFO] [stderr]    Compiling spake2 v0.4.0
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling async-tungstenite v0.23.0
[INFO] [stderr]    Compiling async-tar v0.4.2
[INFO] [stderr]    Compiling async-net v1.8.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling sha-1 v0.10.1
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling if-addrs v0.10.2
[INFO] [stderr]    Compiling smol v1.3.0
[INFO] [stderr]    Compiling derive_builder v0.12.0
[INFO] [stderr]    Compiling magic-wormhole v0.6.1
[INFO] [stderr]    Compiling libpylon v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "d916aabfb6003941350ec1921fc9c8ba700c14fb09f9ef36fd2c16b67cfde109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d916aabfb6003941350ec1921fc9c8ba700c14fb09f9ef36fd2c16b67cfde109", kill_on_drop: false }`
[INFO] [stdout] d916aabfb6003941350ec1921fc9c8ba700c14fb09f9ef36fd2c16b67cfde109
[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] d611b5da8c451abe01bb9a205621293fa0b51d8c22eaf22ef7d18bffed17bda0
[INFO] running `Command { std: "docker" "start" "-a" "d611b5da8c451abe01bb9a205621293fa0b51d8c22eaf22ef7d18bffed17bda0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libpylon v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "d611b5da8c451abe01bb9a205621293fa0b51d8c22eaf22ef7d18bffed17bda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d611b5da8c451abe01bb9a205621293fa0b51d8c22eaf22ef7d18bffed17bda0", kill_on_drop: false }`
[INFO] [stdout] d611b5da8c451abe01bb9a205621293fa0b51d8c22eaf22ef7d18bffed17bda0
[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] 7a3cbae0801424946130bc1a94352bedfe85d8f4f4563cf0156184cfe1809c77
[INFO] running `Command { std: "docker" "start" "-a" "7a3cbae0801424946130bc1a94352bedfe85d8f4f4563cf0156184cfe1809c77", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libpylon-55f5cbc4f98bee12)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libpylon
[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 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] running `Command { std: "docker" "inspect" "7a3cbae0801424946130bc1a94352bedfe85d8f4f4563cf0156184cfe1809c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3cbae0801424946130bc1a94352bedfe85d8f4f4563cf0156184cfe1809c77", kill_on_drop: false }`
[INFO] [stdout] 7a3cbae0801424946130bc1a94352bedfe85d8f4f4563cf0156184cfe1809c77