[INFO] fetching crate btfm 0.19.0...
[INFO] checking btfm-0.19.0 against try#8330aa5198c56eb493d06cd9c4cc91d00d70e3b6 for pr-103872
[INFO] extracting crate btfm 0.19.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate btfm 0.19.0 on toolchain 8330aa5198c56eb493d06cd9c4cc91d00d70e3b6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8330aa5198c56eb493d06cd9c4cc91d00d70e3b6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btfm 0.19.0
[INFO] finished tweaking crates.io crate btfm 0.19.0
[INFO] tweaked toml for crates.io crate btfm 0.19.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate btfm 0.19.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8330aa5198c56eb493d06cd9c4cc91d00d70e3b6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+8330aa5198c56eb493d06cd9c4cc91d00d70e3b6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d7ede5fe1026845076459cc4bc81f820212ef3c84698de76a260a222f71f6a8
[INFO] running `Command { std: "docker" "start" "-a" "8d7ede5fe1026845076459cc4bc81f820212ef3c84698de76a260a222f71f6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d7ede5fe1026845076459cc4bc81f820212ef3c84698de76a260a222f71f6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7ede5fe1026845076459cc4bc81f820212ef3c84698de76a260a222f71f6a8", kill_on_drop: false }`
[INFO] [stdout] 8d7ede5fe1026845076459cc4bc81f820212ef3c84698de76a260a222f71f6a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+8330aa5198c56eb493d06cd9c4cc91d00d70e3b6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 251ffeda9a1b348024c180d50a8353a583c9ebd3c014be69a1ba2b9de1824e1a
[INFO] running `Command { std: "docker" "start" "-a" "251ffeda9a1b348024c180d50a8353a583c9ebd3c014be69a1ba2b9de1824e1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking uuid v1.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rustls-pemfile v1.0.1
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling rle-decode-fast v1.0.3
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling libflate_lz77 v1.1.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking webpki-roots v0.22.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling libflate v1.2.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling audiopus_sys v0.2.2
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling paste v1.0.8
[INFO] [stderr]    Compiling crc-catalog v2.1.0
[INFO] [stderr]    Compiling crc v3.0.0
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling futures-intrusive v0.4.0
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling dotenvy v0.15.1
[INFO] [stderr]    Compiling chrono v0.4.20
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.99/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 -C debuginfo=2 --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=d0d401f3a47d324a -C extra-filename=-d0d401f3a47d324a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0975f7164c8c3ab4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-967674c9b7b1b4f6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b56236affa4c1d72.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" "251ffeda9a1b348024c180d50a8353a583c9ebd3c014be69a1ba2b9de1824e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251ffeda9a1b348024c180d50a8353a583c9ebd3c014be69a1ba2b9de1824e1a", kill_on_drop: false }`
[INFO] [stdout] 251ffeda9a1b348024c180d50a8353a583c9ebd3c014be69a1ba2b9de1824e1a