[INFO] fetching crate rumblr 2.0.2...
[INFO] testing rumblr-2.0.2 against 1.81.0 for beta-1.82-1
[INFO] extracting crate rumblr 2.0.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rumblr 2.0.2 on toolchain 1.81.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rumblr 2.0.2
[INFO] finished tweaking crates.io crate rumblr 2.0.2
[INFO] tweaked toml for crates.io crate rumblr 2.0.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 250 packages to latest compatible versions
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.3.0)
[INFO] [stderr]       Adding base64 v0.10.1 (latest: v0.22.1)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.1)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.7.1)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding cookie v0.12.0 (latest: v0.18.1)
[INFO] [stderr]       Adding cookie_store v0.7.0 (latest: v0.21.0)
[INFO] [stderr]       Adding core-foundation v0.9.4 (latest: v0.10.0)
[INFO] [stderr]       Adding crossbeam-deque v0.7.4 (latest: v0.8.5)
[INFO] [stderr]       Adding crossbeam-epoch v0.8.2 (latest: v0.9.18)
[INFO] [stderr]       Adding crossbeam-queue v0.2.3 (latest: v0.3.11)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (latest: v0.8.20)
[INFO] [stderr]       Adding dtoa v0.4.8 (latest: v1.0.9)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding futures v0.1.31 (latest: v0.3.30)
[INFO] [stderr]       Adding h2 v0.1.26 (latest: v0.4.6)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.6)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding http v0.1.21 (latest: v1.1.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.1.0 (latest: v1.0.1)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.1)
[INFO] [stderr]       Adding hyper v0.12.36 (latest: v1.4.1)
[INFO] [stderr]       Adding hyper v0.14.30 (latest: v1.4.1)
[INFO] [stderr]       Adding hyper-tls v0.3.2 (latest: v0.6.0)
[INFO] [stderr]       Adding hyper-tls v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding idna v0.1.5 (latest: v1.0.2)
[INFO] [stderr]       Adding idna v0.2.3 (latest: v1.0.2)
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.5.0)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.5)
[INFO] [stderr]       Adding lock_api v0.3.4 (latest: v0.4.12)
[INFO] [stderr]       Adding memoffset v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v1.0.2)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding oauth-client v0.4.1 (latest: v0.8.0)
[INFO] [stderr]       Adding parking_lot v0.9.0 (latest: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.6.3 (latest: v0.9.10)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding publicsuffix v1.5.6 (latest: v2.2.3)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.3)
[INFO] [stderr]       Adding reqwest v0.9.24 (latest: v0.12.7)
[INFO] [stderr]       Adding reqwest v0.11.27 (latest: v0.12.7)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.1)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.3)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding serde_urlencoded v0.5.5 (latest: v0.7.1)
[INFO] [stderr]       Adding sha1 v0.6.1 (latest: v0.10.6)
[INFO] [stderr]       Adding smallvec v0.6.14 (latest: v1.13.2)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding standback v0.2.17 (latest: v0.4.4)
[INFO] [stderr]       Adding string v0.2.1 (latest: v0.3.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (latest: v1.0.1)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding system-configuration v0.5.1 (latest: v0.6.1)
[INFO] [stderr]       Adding system-configuration-sys v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding time v0.2.27 (latest: v0.3.36)
[INFO] [stderr]       Adding time-macros v0.1.1 (latest: v0.2.18)
[INFO] [stderr]       Adding tokio v0.1.22 (latest: v1.40.0)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding url v1.7.2 (latest: v2.5.2)
[INFO] [stderr]       Adding uuid v0.7.4 (latest: v1.10.0)
[INFO] [stderr]       Adding want v0.2.0 (latest: v0.3.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.59.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding winreg v0.6.2 (latest: v0.52.0)
[INFO] [stderr]       Adding winreg v0.50.0 (latest: v0.52.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oauth-client v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee2c9f72b938752018b88c1c3d34ab54cda3fff3fbb8f6ee81e5c67a74ce491c
[INFO] running `Command { std: "docker" "start" "-a" "ee2c9f72b938752018b88c1c3d34ab54cda3fff3fbb8f6ee81e5c67a74ce491c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee2c9f72b938752018b88c1c3d34ab54cda3fff3fbb8f6ee81e5c67a74ce491c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2c9f72b938752018b88c1c3d34ab54cda3fff3fbb8f6ee81e5c67a74ce491c", kill_on_drop: false }`
[INFO] [stdout] ee2c9f72b938752018b88c1c3d34ab54cda3fff3fbb8f6ee81e5c67a74ce491c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caf9fa5adaf530e1491cdb353006eb8e41d98aaecf8c0412aebc2b4ced29c8e5
[INFO] running `Command { std: "docker" "start" "-a" "caf9fa5adaf530e1491cdb353006eb8e41d98aaecf8c0412aebc2b4ced29c8e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling gimli v0.31.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling object v0.36.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling const_fn v0.4.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling addr2line v0.24.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling publicsuffix v1.5.6
[INFO] [stderr]    Compiling ipnet v2.10.0
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling flate2 v1.0.33
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.81.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=908482b51133eec8 -C extra-filename=-908482b51133eec8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a4bdbe38b424c25d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a25f5e83b48711bb.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9718b2370c14f9de.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "caf9fa5adaf530e1491cdb353006eb8e41d98aaecf8c0412aebc2b4ced29c8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf9fa5adaf530e1491cdb353006eb8e41d98aaecf8c0412aebc2b4ced29c8e5", kill_on_drop: false }`
[INFO] [stdout] caf9fa5adaf530e1491cdb353006eb8e41d98aaecf8c0412aebc2b4ced29c8e5