[INFO] fetching crate sticker2-utils 0.5.3...
[INFO] checking sticker2-utils-0.5.3 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate sticker2-utils 0.5.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sticker2-utils 0.5.3 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sticker2-utils 0.5.3
[INFO] finished tweaking crates.io crate sticker2-utils 0.5.3
[INFO] tweaked toml for crates.io crate sticker2-utils 0.5.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate sticker2-utils 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indicatif v0.13.0
[INFO] [stderr]   Downloaded curl v0.4.34
[INFO] [stderr]   Downloaded time v0.2.23
[INFO] [stderr]   Downloaded ohnomore v0.2.2
[INFO] [stderr]   Downloaded edit_tree v0.1.2
[INFO] [stderr]   Downloaded sticker-encoders v0.5.1
[INFO] [stderr]   Downloaded seqalign v0.2.2
[INFO] [stderr]   Downloaded libloading v0.6.6
[INFO] [stderr]   Downloaded stdinout v0.4.1
[INFO] [stderr]   Downloaded console v0.13.0
[INFO] [stderr]   Downloaded conllu v0.5.1
[INFO] [stderr]   Downloaded wordpieces v0.4.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.59
[INFO] [stderr]   Downloaded tch v0.2.1
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded thiserror-impl v1.0.22
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded noisy_float v0.1.13
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded socket2 v0.3.18
[INFO] [stderr]   Downloaded torch-sys v0.2.1
[INFO] [stderr]   Downloaded fst v0.4.5
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded multimap v0.8.2
[INFO] [stderr]   Downloaded prost-derive v0.6.1
[INFO] [stderr]   Downloaded prost v0.6.1
[INFO] [stderr]   Downloaded prost-types v0.6.1
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded standback v0.2.13
[INFO] [stderr]   Downloaded zip v0.5.9
[INFO] [stderr]   Downloaded thiserror v1.0.22
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded cookie v0.14.3
[INFO] [stderr]   Downloaded publicsuffix v1.5.4
[INFO] [stderr]   Downloaded curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]   Downloaded hdf5-derive v0.6.1
[INFO] [stderr]   Downloaded hdf5-types v0.6.1
[INFO] [stderr]   Downloaded prost-build v0.6.1
[INFO] [stderr]   Downloaded sticker-transformers v0.8.1
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] [stderr]   Downloaded hdf5-sys v0.6.1
[INFO] [stderr]   Downloaded atomig v0.1.0
[INFO] [stderr]   Downloaded ureq v1.5.4
[INFO] [stderr]   Downloaded sticker2 v0.5.1
[INFO] [stderr]   Downloaded integer-encoding v1.1.5
[INFO] [stderr]   Downloaded sentencepiece v0.4.0
[INFO] [stderr]   Downloaded tfrecord v0.4.1
[INFO] [stderr]   Downloaded rustls v0.19.0
[INFO] [stderr]   Downloaded hdf5 v0.6.1
[INFO] [stderr]   Downloaded sentencepiece-sys v0.4.0
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded numberer v0.2.0
[INFO] [stderr]   Downloaded qstring v0.7.2
[INFO] [stderr]   Downloaded webpki-roots v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5ab598f44ba93b0de8fc50b908cdf3155a89d4e7faa21acc526814ccf0c1d22
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d5ab598f44ba93b0de8fc50b908cdf3155a89d4e7faa21acc526814ccf0c1d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5ab598f44ba93b0de8fc50b908cdf3155a89d4e7faa21acc526814ccf0c1d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ab598f44ba93b0de8fc50b908cdf3155a89d4e7faa21acc526814ccf0c1d22", kill_on_drop: false }`
[INFO] [stdout] d5ab598f44ba93b0de8fc50b908cdf3155a89d4e7faa21acc526814ccf0c1d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fefe68bb4b9b249814b4328f83a4937083cf69b8b99db85c7a336d2eaf60890e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fefe68bb4b9b249814b4328f83a4937083cf69b8b99db85c7a336d2eaf60890e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]     Checking seqalign v0.2.2
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]    Compiling sentencepiece v0.4.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]     Checking atomig v0.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling openssl-sys v0.9.59
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling sentencepiece-sys v0.4.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking hdf5-types v0.6.1
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.18
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]     Checking noisy_float v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling rustls v0.19.0
[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-1.0.54/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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"' -C metadata=fc6f13b4f9ad5df7 -C extra-filename=-fc6f13b4f9ad5df7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-65304f056af28667.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fefe68bb4b9b249814b4328f83a4937083cf69b8b99db85c7a336d2eaf60890e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fefe68bb4b9b249814b4328f83a4937083cf69b8b99db85c7a336d2eaf60890e", kill_on_drop: false }`
[INFO] [stdout] fefe68bb4b9b249814b4328f83a4937083cf69b8b99db85c7a336d2eaf60890e