[INFO] fetching crate peermerge 0.0.3...
[INFO] checking peermerge-0.0.3 against c999cef531ea9059e189e82fe0e82c5daf249bc9 for pr-160904
[INFO] extracting crate peermerge 0.0.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate peermerge 0.0.3
[INFO] finished tweaking crates.io crate peermerge 0.0.3
[INFO] tweaked toml for crates.io crate peermerge 0.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate peermerge 0.0.3 on toolchain c999cef531ea9059e189e82fe0e82c5daf249bc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "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" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 286 packages to highest compatible versions
[INFO] [stderr]       Adding automerge v0.5.12 (available: v0.12.0)
[INFO] [stderr]       Adding chacha20poly1305 v0.10.1 (available: v0.11.0)
[INFO] [stderr]       Adding compact-encoding v1.1.0 (available: v2.2.0)
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.8.2)
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.2.1)
[INFO] [stderr]       Adding derive_builder v0.12.0 (available: v0.20.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding hypercore-protocol v0.4.1 (available: v0.7.2)
[INFO] [stderr]       Adding pprof v0.11.1 (available: v0.15.0)
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] [stderr]       Adding sluice v0.5.5 (available: v0.6.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.21)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "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 intmap v2.0.0
[INFO] [stderr]   Downloaded random-access-disk v3.0.1
[INFO] [stderr]   Downloaded random-access-memory v3.0.0
[INFO] [stderr]   Downloaded random-access-storage v5.0.0
[INFO] [stderr]   Downloaded str_stack v0.1.1
[INFO] [stderr]   Downloaded mkdirp v1.0.0
[INFO] [stderr]   Downloaded symbolic-common v10.2.1
[INFO] [stderr]   Downloaded flat-tree v6.0.0
[INFO] [stderr]   Downloaded pprof v0.11.1
[INFO] [stderr]   Downloaded sluice v0.5.5
[INFO] [stderr]   Downloaded crypto_secretstream v0.2.0
[INFO] [stderr]   Downloaded pretty-hash v0.4.1
[INFO] [stderr]   Downloaded flat-tree v5.0.0
[INFO] [stderr]   Downloaded merkle-tree-stream v0.12.1
[INFO] [stderr]   Downloaded hypercore-protocol v0.4.1
[INFO] [stderr]   Downloaded compact-encoding v1.1.0
[INFO] [stderr]   Downloaded hypercore v0.12.1
[INFO] [stderr]   Downloaded symbolic-demangle v10.2.1
[INFO] [stderr]   Downloaded automerge v0.5.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fa3f0133bc105ea6447296e7af685d1d151f741935741854bd8f748e8ed5c5f8
[INFO] running `Command { std: "docker" "start" "fa3f0133bc105ea6447296e7af685d1d151f741935741854bd8f748e8ed5c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa3f0133bc105ea6447296e7af685d1d151f741935741854bd8f748e8ed5c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fa3f0133bc105ea6447296e7af685d1d151f741935741854bd8f748e8ed5c5f8" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa3f0133bc105ea6447296e7af685d1d151f741935741854bd8f748e8ed5c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fa3f0133bc105ea6447296e7af685d1d151f741935741854bd8f748e8ed5c5f8" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.34
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking getrandom v0.4.3
[INFO] [stderr]     Checking smallvec v1.16.2
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking log v0.4.34
[INFO] [stderr]     Checking event-listener v5.4.2
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking uuid v1.26.1
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling portable-atomic v1.15.0
[INFO] [stderr]     Checking piper v0.2.5
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking async-executor v1.14.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.8
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking blocking v1.7.0
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking flat-tree v5.0.0
[INFO] [stderr]     Checking mkdirp v1.0.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.5
[INFO] [stderr]     Checking intmap v2.0.0
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking merkle-tree-stream v0.12.1
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking moka v0.12.16
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.151
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking flat-tree v6.0.0
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking compact-encoding v1.1.0
[INFO] [stderr]    Compiling symbolic-demangle v10.2.1
[INFO] [stderr]     Checking textwrap v0.16.4
[INFO] [stderr]     Checking symbolic-common v10.2.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking rgb v0.8.53
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking flate2 v1.1.10
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking crypto_secretstream v0.2.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking quick-xml v0.26.0
[INFO] [stderr]     Checking thread_local v1.1.10
[INFO] [stderr]    Compiling pprof v0.11.1
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking futures-timer v3.0.4
[INFO] [stderr]     Checking str_stack v0.1.1
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking sluice v0.5.5
[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/c999cef531ea9059e189e82fe0e82c5daf249bc9/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -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,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=959ee81c87ca6e1d -C extra-filename=-2f83ae3fb1a0c4bb --out-dir /opt/rustwide/target/debug/build/syn/2f83ae3fb1a0c4bb/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/c062a139c850ccf4/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/06275983cc9514f8/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/c062a139c850ccf4/out/libproc_macro2-c062a139c850ccf4.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/63a63655125647b2/out/libquote-63a63655125647b2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/06275983cc9514f8/out/libunicode_ident-06275983cc9514f8.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fa3f0133bc105ea6447296e7af685d1d151f741935741854bd8f748e8ed5c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3f0133bc105ea6447296e7af685d1d151f741935741854bd8f748e8ed5c5f8", kill_on_drop: false }`
[INFO] [stdout] fa3f0133bc105ea6447296e7af685d1d151f741935741854bd8f748e8ed5c5f8
