[INFO] fetching crate synapse 1.1.0...
[INFO] testing synapse-1.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate synapse 1.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate synapse 1.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate synapse 1.1.0
[INFO] tweaked toml for crates.io crate synapse 1.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate synapse 1.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate synapse 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded trust-dns-client v0.23.2
[INFO] [stderr]   Downloaded imap-proto v0.16.5
[INFO] [stderr]   Downloaded async-smtp v0.10.2
[INFO] [stderr]   Downloaded oauth-device-flows v0.1.0
[INFO] [stderr]   Downloaded async-imap v0.10.4
[INFO] [stderr]   Downloaded auth-framework v0.3.0
[INFO] [stderr]   Downloaded auto-discovery v0.2.0
[INFO] [stderr]   Downloaded mdns-sd v0.13.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f75f5d9b4e375203ff61cbd1e940a8616ecf654db56babe77cd9e95cd012a4b6
[INFO] running `Command { std: "docker" "start" "-a" "f75f5d9b4e375203ff61cbd1e940a8616ecf654db56babe77cd9e95cd012a4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f75f5d9b4e375203ff61cbd1e940a8616ecf654db56babe77cd9e95cd012a4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75f5d9b4e375203ff61cbd1e940a8616ecf654db56babe77cd9e95cd012a4b6", kill_on_drop: false }`
[INFO] [stdout] f75f5d9b4e375203ff61cbd1e940a8616ecf654db56babe77cd9e95cd012a4b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4049a33379daef8b850c25ef6ca405dbdc046abee15f2746c8ae8328b3594994
[INFO] running `Command { std: "docker" "start" "-a" "4049a33379daef8b850c25ef6ca405dbdc046abee15f2746c8ae8328b3594994", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling rustls v0.23.29
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling webpki-roots v1.0.1
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling brotli v8.0.1
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling http-range-header v0.4.2
[INFO] [stderr]    Compiling whoami v1.6.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling http-body v0.4.6
[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/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=112ca3ddfabc121f -C extra-filename=-8770bcd6ae260087 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3af986f44966aa55.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b3530727cd9d6d55.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-549afb6be76d59d6.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4049a33379daef8b850c25ef6ca405dbdc046abee15f2746c8ae8328b3594994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4049a33379daef8b850c25ef6ca405dbdc046abee15f2746c8ae8328b3594994", kill_on_drop: false }`
[INFO] [stdout] 4049a33379daef8b850c25ef6ca405dbdc046abee15f2746c8ae8328b3594994