[INFO] fetching crate tor-congestion 0.5.2...
[INFO] testing tor-congestion-0.5.2 against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] extracting crate tor-congestion 0.5.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tor-congestion 0.5.2 on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tor-congestion 0.5.2
[INFO] finished tweaking crates.io crate tor-congestion 0.5.2
[INFO] tweaked toml for crates.io crate tor-congestion 0.5.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder_macro_fork_arti v0.11.2
[INFO] [stderr]   Downloaded tor-checkable v0.5.5
[INFO] [stderr]   Downloaded tor-protover v0.5.4
[INFO] [stderr]   Downloaded derive_builder_core_fork_arti v0.11.2
[INFO] [stderr]   Downloaded pwd-grp v0.1.1
[INFO] [stderr]   Downloaded retry-error v0.5.1
[INFO] [stderr]   Downloaded caret v0.4.4
[INFO] [stderr]   Downloaded tor-hscrypto v0.3.4
[INFO] [stderr]   Downloaded safelog v0.3.5
[INFO] [stderr]   Downloaded tor-bytes v0.7.5
[INFO] [stderr]   Downloaded fs-mistrust v0.7.7
[INFO] [stderr]   Downloaded x25519-dalek v2.0.0-pre.1
[INFO] [stderr]   Downloaded tor-netdoc v0.9.1
[INFO] [stderr]   Downloaded tor-config v0.9.7
[INFO] [stderr]   Downloaded tor-netdir v0.9.6
[INFO] [stderr]   Downloaded rangemap v1.5.1
[INFO] [stderr]   Downloaded tor-cell v0.13.0
[INFO] [stderr]   Downloaded serde_ignored v0.1.10
[INFO] [stderr]   Downloaded tor-error v0.5.5
[INFO] [stderr]   Downloaded tor-basic-utils v0.8.0
[INFO] [stderr]   Downloaded tor-linkspec v0.8.4
[INFO] [stderr]   Downloaded fluid-let v1.0.0
[INFO] [stderr]   Downloaded tor-llcrypto v0.5.6
[INFO] [stderr]   Downloaded tor-cert v0.8.0
[INFO] [stderr]   Downloaded derive-adhoc-macros v0.7.3
[INFO] [stderr]   Downloaded derive_builder_fork_arti v0.11.2
[INFO] [stderr]   Downloaded derive-adhoc v0.7.3
[INFO] [stderr]   Downloaded tor-units v0.6.4
[INFO] [stderr]   Downloaded tor-geoip v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc1739f668aeb7e1490db26eb826506fcedda6764de1fc541a1513aa211add99
[INFO] running `Command { std: "docker" "start" "-a" "fc1739f668aeb7e1490db26eb826506fcedda6764de1fc541a1513aa211add99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc1739f668aeb7e1490db26eb826506fcedda6764de1fc541a1513aa211add99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1739f668aeb7e1490db26eb826506fcedda6764de1fc541a1513aa211add99", kill_on_drop: false }`
[INFO] [stdout] fc1739f668aeb7e1490db26eb826506fcedda6764de1fc541a1513aa211add99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0a3759ffbe303c990968716b62520ea799ca6a6fd628c129749e26ff6c6bf45
[INFO] running `Command { std: "docker" "start" "-a" "e0a3759ffbe303c990968716b62520ea799ca6a6fd628c129749e26ff6c6bf45", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling derive-adhoc-macros v0.7.3
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling fluid-let v1.0.0
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling derive_builder_core_fork_arti v0.11.2
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling retry-error v0.5.1
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling caret v0.4.4
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling shellexpand v3.1.0
[INFO] [stderr]    Compiling directories v5.0.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling amplify_syn v2.0.1
[INFO] [stderr]    Compiling by_address v1.1.0
[INFO] [stderr]    Compiling amplify_num v0.5.2
[INFO] [stderr]    Compiling ascii v1.1.0
[INFO] [stderr]    Compiling weak-table v0.3.2
[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/61223975d46f794466efa832bc7562b9707ecc46/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.52/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"' --cfg 'feature="visit-mut"' -C metadata=a1f63435ad1a6de5 -C extra-filename=-a1f63435ad1a6de5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9675dab333a2ba88.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9a3c6f2abd5cb631.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f8d62a079c79a15a.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e0a3759ffbe303c990968716b62520ea799ca6a6fd628c129749e26ff6c6bf45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a3759ffbe303c990968716b62520ea799ca6a6fd628c129749e26ff6c6bf45", kill_on_drop: false }`
[INFO] [stdout] e0a3759ffbe303c990968716b62520ea799ca6a6fd628c129749e26ff6c6bf45